CN108787787B - Automatic crimping equipment and method for extrusion production of long and thin seamless aluminum tubes - Google Patents
Automatic crimping equipment and method for extrusion production of long and thin seamless aluminum tubes Download PDFInfo
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- CN108787787B CN108787787B CN201710285046.6A CN201710285046A CN108787787B CN 108787787 B CN108787787 B CN 108787787B CN 201710285046 A CN201710285046 A CN 201710285046A CN 108787787 B CN108787787 B CN 108787787B
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 109
- 238000002788 crimping Methods 0.000 title claims abstract description 101
- 238000001125 extrusion Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
- B21C35/023—Work treatment directly following extrusion, e.g. further deformation or surface treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides automatic crimping equipment and a method for extrusion production of long and thin seamless aluminum pipes, which comprise a beam frame and a base, wherein an automatic feeding device and a bending device which are oppositely arranged are arranged on the beam frame, a frame changing device is arranged on the base, two round crimping material frames parallel to the ground are arranged on the frame changing device, an automatic crimping device is arranged below the crimping material frames, and the automatic crimping device and one crimping material frame are both positioned right below the bending device. The automatic crimping equipment method comprises the processes of automatic feeding, bending, automatic crimping, frame exchange and the like, and the device for realizing the method consists of an automatic feeding device and a bending device which are arranged on a beam frame, and an automatic crimping device and a frame exchange device which are arranged on a base; the automatic crimping device has the advantages of simple structure, perfect functions and reliable operation, and realizes automatic crimping of long and thin seamless aluminum tubes in extrusion production through automatic feeding, bending, automatic crimping and material frame exchange.
Description
Technical Field
The invention belongs to the field of metallurgical equipment, and particularly relates to automatic crimping equipment and method for extrusion production of a long and thin seamless aluminum pipe.
Background
At present, the domestic seamless aluminum pipe production mainly adopts a reverse double-acting extrusion mode, and mainly produces seamless aluminum pipes with conventional lengths and diameters; for ultra-long small-diameter seamless aluminum tubes, namely long and thin seamless aluminum tubes, the production of bottle needles is adopted on a large double-acting reverse aluminum extruder; the long and thin seamless aluminum pipe produced is required to be curled by a curler, limited by the length of the rear finishing equipment.
However, the existing crimping machine is low in automation degree, is mostly arranged at the outlet of the front beam of the aluminum extruder, directly crimps the extruded long and thin seamless aluminum tube, and is low in production efficiency.
Disclosure of Invention
The invention aims to solve the problems of lower automation degree and low production efficiency of the existing crimping machine.
The invention provides automatic crimping equipment for extrusion production of long and thin seamless aluminum pipes, which comprises a beam frame and a base, wherein an automatic feeding device and a bending device which are oppositely arranged are arranged on the beam frame, a frame changing device is arranged on the base, two round crimping material frames parallel to the ground are arranged on the frame changing device, an automatic crimping device is arranged below the crimping material frames, and the automatic crimping device and one crimping material frame are both positioned right below the bending device.
The automatic feeding device is composed of an importer, feeding roller groups and feeding motor groups, one feeding roller of each feeding roller group is correspondingly arranged on each output shaft of each feeding motor group, each feeding roller of each feeding roller group is driven to rotate by the corresponding feeding motor group, each feeding roller of each feeding roller group is connected with an oil cylinder, the oil cylinders drive the feeding rollers of the feeding roller groups to reciprocate, the importer is arranged at the end part of a beam frame, the feeding roller groups are arranged at the rear of the beam frame, each feeding roller group is composed of a plurality of groups of feeding rollers, each group is provided with two oppositely arranged feeding rollers, and long and thin seamless aluminum tubes are positioned between the two feeding rollers of each group.
The bending device comprises a feeding motor group, a feeding roller group and a bending roller group, wherein the bending roller group is arranged at the end part of the beam frame and is opposite to the introducer, the feeding roller group is positioned in front of the bending roller group, one roller of the feeding roller group is correspondingly arranged on each output shaft of the feeding motor group, the feeding motor group drives the feeding roller group to rotate, each roller of the feeding roller group and the bending roller group is connected with an oil cylinder, the oil cylinder drives the feeding roller group and the bending roller group to reciprocate, the feeding roller group comprises a plurality of groups of feeding rollers, each group comprises two feeding rollers, and a long and thin seamless aluminum pipe is positioned between the two feeding rollers of each group.
The frame replacing device comprises a frame replacing motor, a frame replacing gear set and a frame replacing rotary table, a gear on an output shaft of the frame replacing motor is in meshed transmission with the gear of the frame replacing gear set, the frame replacing gear set is arranged on a support, the support is arranged right above a base, the frame replacing rotary table is arranged right above the support, the frame replacing motor drives the frame replacing rotary table to rotate through the frame replacing gear set, and two curled material frames are arranged on the frame replacing rotary table.
The automatic crimping device consists of a crimping tray, a crimping gear set, a crimping motor and a lifting oil cylinder, wherein a gear on an output shaft of the crimping motor is meshed with the gear of the crimping gear set, the crimping gear set is fixedly connected with a supporting frame, the crimping tray is arranged on the supporting frame, and the bottom of the crimping tray is in contact with the lifting oil cylinder;
the curling material frame and the frame replacing rotary table are provided with holes, the lifting oil cylinder drives the curling tray to ascend and sequentially penetrate through the frame replacing rotary table and the curling material frame, the curling tray is driven to rotate by the curling motor through the curling gear set, and the curling tray drives the curling material frame to rotate.
The introducer is a hollow cavity with two ends penetrating, one end of the hollow cavity is in a horn shape, and the long and thin seamless aluminum pipe enters from one end of the large caliber of the horn-shaped introducer.
An automatic crimping method for extrusion production of long and thin seamless aluminum tubes comprises the following steps:
step one, automatic feeding
The long and thin seamless aluminum tubes are pulled to the automatic crimping equipment by the traction machine, enter a feeding roller set through the importer, the oil cylinder pushes the feeding roller set to clamp the long and thin seamless aluminum tubes, and meanwhile, the feeding motor set drives the feeding roller set to rotate so as to push the long and thin seamless aluminum tubes forward to the position between feeding roller sets of the bending device;
step two, automatic bending
The oil cylinder pushes the feeding roller set to clamp the long and thin seamless aluminum tubes, and meanwhile, the feeding motor set drives the feeding roller set to rotate so as to feed the long and thin seamless aluminum tubes to the bending roller set for bending;
step three, automatic crimping
The bent long and thin seamless aluminum tubes are sent to a curled material frame above a curled tray, a lifting oil cylinder lifts the curled tray upwards and is clamped with the curled material frame above the curled tray, a curled motor is opened, a gear on an output shaft of the curled motor is meshed with a curled gear set to drive the curled tray and the curled material frame clamped with the curled tray to rotate, and the long and thin seamless aluminum tubes are curled;
step four, material frame exchange
After the rolling is finished, the lifting oil cylinder drives the rolling tray to descend, gears on the output shaft of the frame changing motor are meshed with gears of the frame changing gear set to drive the frame changing turntable to rotate 180 degrees in a horizontal plane, the rolling material frame filled with the rolled seamless aluminum tubes is subjected to position exchange with the empty rolling material frame, the rolling material frame filled with the rolled seamless aluminum tubes is lifted away, the other empty rolling material frame is changed to a rolling station, the lifting oil cylinder drives the rolling tray to ascend, and the next rolling working period is started.
The invention has the beneficial effects that: the device for realizing the method consists of an automatic feeding device and a bending device which are arranged on a beam frame, and an automatic crimping device and a frame changing device which are arranged on a base; the automatic crimping device has the advantages of simple structure, perfect functions and reliable operation, and realizes automatic crimping of long and thin seamless aluminum tubes in extrusion production through automatic feeding, bending, automatic crimping and material frame exchange.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an automatic crimping apparatus for extrusion production of a long and thin seamless aluminum pipe.
Fig. 2 is a top view of an automatic crimping apparatus for extrusion production of long and thin seamless aluminum tubes.
Fig. 3 is a schematic structural view of an automatic feeding apparatus.
Fig. 4 is a schematic structural view of the bending apparatus.
Fig. 5 is a schematic structural view of the automatic crimping apparatus.
Fig. 6 is a schematic structural diagram of the frame changing device.
Reference numerals illustrate: 1. an automatic feeding device; 2. a beam frame; 3. a bending device; 4. long and thin seamless aluminum tubes; 5. crimping a material frame; 6. an automatic crimping device; 7. a frame changing device; 8. a base;
1.1, an importer; 1.2, a feeding motor unit; 1.3, a feeding roller set;
3.1, feeding into a motor unit; 3.2, feeding the roller set; 3.3, bending roller groups;
6.1, curling the tray; 6.2, a curling gear set; 6.3, a curling motor; 6.4, lifting oil cylinders;
7.1, a frame-changing motor; 7.2, a frame-changing gear set; and 7.3, a frame-changing rotary table.
Detailed Description
Example 1:
in order to overcome the problems of lower automation degree and low production efficiency of the existing crimping machine, the embodiment provides automatic crimping equipment for extrusion production of long and thin seamless aluminum pipes, which is shown in fig. 1 and 2, and comprises a beam frame 2 and a base 8, wherein the beam frame 2 is provided with an automatic feeding device 1 and a bending device 3 which are oppositely arranged, the base 8 is provided with a frame replacing device 7, the frame replacing device 7 is provided with two circular crimping material frames 5 parallel to the ground, the automatic crimping device 6 is arranged below the crimping material frames 5, and the automatic crimping device 6 and one of the crimping material frames 5 are both positioned under the bending device 3.
The working process of the automatic crimping equipment for extrusion production of the long and thin seamless aluminum tubes comprises the following steps:
when the long and thin seamless aluminum pipe is extruded and produced to be curled automatically, the long and thin seamless aluminum pipe 4 produced by a large double-acting reverse aluminum extruder through a bottle needle is pulled to the tail end of a discharge roller way through a tractor, namely, the front part of automatic curling equipment, the long and thin seamless aluminum pipe 4 firstly enters an automatic feeding device 1, then the automatic feeding device 1 is sent to a bending device 3 for bending, the bent long and thin seamless aluminum pipe 4 enters a curling frame 5 above the automatic curling device 6, the automatic curling device 6 and the curling frame 5 cooperate to curl the long and thin seamless aluminum pipe 4, after the curling is completed, a frame changing device 7 exchanges the positions of the two curling frames 5, the curling frame 5 filled with the curled seamless aluminum pipe is hoisted away, and the empty curling frame 5 carries out the next curling period under the control of the automatic curling device 6.
The automatic crimping equipment for extrusion production of the long and thin seamless aluminum tubes improves the automation degree of extrusion production of the long and thin seamless aluminum tubes, ensures the traction force during extrusion of the long and thin seamless aluminum tubes, and improves the extrusion production efficiency of the long and thin seamless aluminum tubes.
Example 2:
on the basis of embodiment 1, as shown in fig. 3, the automatic feeding device 1 is composed of an importer 1.1, a feeding roller set 1.3 and a feeding motor set 1.2, one feeding roller of the feeding roller set 1.3 is correspondingly installed on each output shaft of the feeding motor set 1.2, the feeding roller set 1.2 drives the feeding roller set 1.3 to rotate, each feeding roller of the feeding roller set 1.3 is connected with an oil cylinder, the oil cylinder drives the feeding roller of the feeding roller set 1.3 to reciprocate, the importer 1.1 is installed at the end part of the beam frame 2, the feeding roller set 1.3 is installed behind the beam frame 2, the feeding roller set 1.3 is composed of a plurality of groups of feeding rollers, each group is provided with two feeding rollers which are oppositely arranged, and the long and thin seamless aluminum pipe 4 is positioned between the two feeding rollers of each group.
The working process of the automatic feeding device 1 is as follows: when the long and thin seamless aluminum tubes are extruded and produced to be automatically curled, the long and thin seamless aluminum tubes produced by a large double-acting reverse aluminum extruder by adopting a bottle needle are pulled to the tail end of a discharge roller way through a tractor, namely the front part of automatic curling equipment, the long and thin seamless aluminum tubes 4 are penetrated between feeding roller groups 1.3 of an automatic feeding device 1 by an importer, the feeding roller groups 1.3 are pushed by an oil cylinder to clamp the long and thin seamless aluminum tubes 4, and then the long and thin seamless aluminum tubes 4 are driven by a feeding motor group 1.2 to rotate to be fed into the bending device 3;
example 3:
on the basis of the embodiment 2, as shown in fig. 4, the bending device 3 is composed of a feeding motor group 3.1, a feeding roller group 3.2 and a bending roller group 3.3, the bending roller group 3.3 is installed at the end of the beam frame 2 and is opposite to the introducer 1.1, the feeding roller group 3.2 is positioned in front of the bending roller group 3.3, one roller of the feeding roller group 3.2 is correspondingly installed on each output shaft of the feeding motor group 3.1, the feeding motor group 3.1 drives the feeding roller group 3.2 to rotate, each roller of the feeding roller group 3.2 and the bending roller group 3.3 is connected with an oil cylinder, the oil cylinder drives the feeding roller group 3.2 and the bending roller group 3.3 to reciprocate, the feeding roller group 3.2 is composed of a plurality of groups of feeding rollers, each group is provided with two feeding rollers, and the long and thin seamless aluminum tubes 4 are positioned between the two feeding rollers of each group.
The bending device 3 works as follows: the feeding roller set 3.2 is driven by the oil cylinder to clamp the long and thin seamless aluminum pipe 4 and is driven by the feeding motor set 3.1 to rotate and feed, and then the long and thin seamless aluminum pipe 4 is bent by the bending roller set 3.3, and the bending radius can be adjusted by the oil cylinder.
Example 4:
on the basis of the embodiment 1, as shown in fig. 6, the frame replacing device 7 is composed of a frame replacing motor 7.1, a frame replacing gear set 7.2 and a frame replacing rotary table 7.3, gears on an output shaft of the frame replacing motor 7.1 are in meshed transmission with gears of the frame replacing gear set 7.2, the frame replacing gear set 7.2 is arranged on a support, the support is arranged right above the base 8, the frame replacing rotary table 7.3 is arranged right above the support, the frame replacing motor 7.1 drives the frame replacing rotary table 7.3 to rotate through the frame replacing gear set 7.2, and the two curled frames 5 are arranged on the frame replacing rotary table 7.3.
The working process of the frame replacing device 7 is as follows: the bent long and thin seamless aluminum pipe 4 is sent to a curled material frame 5 above a curled tray 6.1, a lifting oil cylinder 6.4 lifts the curled tray 6.1 upwards and is clamped with the curled material frame 5 above the curled tray 6.1, a curled motor 6.3 is opened, a gear on an output shaft of the curled motor 6.3 is meshed with a curled gear set 6.2, the curled tray 6.1 and the curled material frame 5 clamped with the curled tray 6.1 are driven to rotate, and the long and thin seamless aluminum pipe 4 is curled.
Example 5:
on the basis of the embodiment 4, as shown in fig. 5, the automatic curling device 6 consists of a curling tray 6.1, a curling gear set 6.2, a curling motor 6.3 and a lifting cylinder 6.4, a gear on an output shaft of the curling motor 6.3 is meshed with the gear of the curling gear set 6.2, the curling gear set 6.2 is fixedly connected with a supporting frame, the curling tray 6.1 is arranged on the supporting frame, and the bottom of the curling tray 6.1 is contacted with the lifting cylinder 6.4;
holes are formed in the curled material frame 5 and the frame changing rotary disc 7.3, the lifting oil cylinder 6.4 drives the curled tray 6.1 to ascend and sequentially penetrate through the frame changing rotary disc 7.3 and the curled material frame 5, the curled tray is clamped in the holes formed in the curled material frame 5 and the frame changing rotary disc 7.3, the curled motor 6.3 drives the curled tray 6.1 to rotate through the curled gear set 6.2, and the curled tray 6.1 drives the curled material frame 5 to rotate.
The automatic crimping device 6 works as follows:
the bent long and thin seamless aluminum pipe 4 is sent to a curled material frame 5 above a curled tray 6.1, a lifting oil cylinder 6.4 lifts the curled tray 6.1 upwards and is clamped with the curled material frame 5 above the curled tray 6.1, a curled motor 6.3 is opened, a gear on an output shaft of the curled motor 6.3 is meshed with a curled gear set 6.2, the curled tray 6.1 and the curled material frame 5 clamped with the curled tray 6.1 are driven to rotate, and the long and thin seamless aluminum pipe 4 is curled;
the curl tray 6.1 has a trapezoid cross section, and when rotated, the curl tray 6.1 is lifted up and then is engaged with the frame changing turntable 7.3 and the curl frame 5 so as to drive the curl frame 5 above to rotate together. In the crimping process, the control of crimping force and crimping speed can be realized by jointly controlling the output torque and the output rotating speed of each motor unit, so that the traction force and the traction speed of the long and thin seamless aluminum pipe during extrusion are ensured, and the long and thin seamless aluminum pipe is automatically matched with an extruder.
Example 6:
on the basis of the embodiment 2, in order to conveniently introduce the long and thin seamless aluminum tube 4, the introducer 1.1 is a hollow cavity with two ends penetrating, one end opening of the hollow cavity is horn-shaped, and the long and thin seamless aluminum tube 4 enters from one end with a large caliber of the horn-shaped introducer 1.1.
Example 7:
the embodiment provides an automatic crimping method for extrusion production of a long and thin seamless aluminum pipe, which comprises the following steps:
step one, automatic feeding
The tractor pulls the long and thin seamless aluminum tube 4 to an automatic crimping device, the long and thin seamless aluminum tube 4 passes through the introducer 1.1 and enters the feeding roller set 1.3, the oil cylinder pushes the feeding roller set 1.3 to clamp the long and thin seamless aluminum tube 4, and meanwhile, the feeding motor set 1.2 drives the feeding roller set 1.3 to rotate so as to push the long and thin seamless aluminum tube 4 forward to a position between the feeding roller sets 3.2 of the bending device 3;
step two, automatic bending
The oil cylinder pushes the feeding roller set 3.2 to clamp the long and thin seamless aluminum tube 4, and meanwhile, the feeding motor set 3.1 drives the rotary feeding roller set 3.2 to feed the long and thin seamless aluminum tube 4 to the bending roller set 3.3 for bending;
step three, automatic crimping
The bent long and thin seamless aluminum pipe 4 is sent to a curled material frame 5 above a curled tray 6.1, a lifting oil cylinder 6.4 lifts the curled tray 6.1 upwards and is clamped with the curled material frame 5 above the curled tray 6.1, a curled motor 6.3 is opened, a gear on an output shaft of the curled motor 6.3 is meshed with a curled gear set 6.2, the curled tray 6.1 and the curled material frame 5 clamped with the curled tray 6.1 are driven to rotate, and the long and thin seamless aluminum pipe 4 is curled;
step four, material frame exchange
After the crimping is finished, the lifting cylinder 6.4 drives the crimping tray 6.1 to descend, gears on the output shaft of the frame changing motor 7.1 are meshed with gears of the frame changing gear set 7.2 to drive the frame changing rotary table 7.3 to rotate 180 degrees in a horizontal plane, the crimped material frame 5 filled with the crimped seamless aluminum pipe is subjected to position exchange with the empty crimped material frame 5, the crimped material frame 5 filled with the crimped seamless aluminum pipe is lifted away, the other empty crimped material frame 5 is replaced to a crimping station, and the lifting cylinder 6.4 drives the crimping tray 6.1 to ascend to start the next crimping working cycle.
In the invention, an importer 1.1, a feeding motor group 1.2 and a feeding roller group 1.3 of a conical inner cavity form an automatic feeding device 1 for realizing automatic feeding in extrusion production of long and thin seamless aluminum tubes; the feeding motor group 3.1, the feeding roller group 3.2 and the bending roller group 3.3 form a bending device 3; the curling tray 6.1, the curling gear set 6.2, the curling motor 6.3 and the lifting cylinder 6.4 form an automatic curling device 6; the frame-changing motor 7.1, the frame-changing gear set 7.2 and the frame-changing turntable 7.3 form a frame-changing device 7; the four parts together form a body structure of the automatic crimping device produced by extrusion of the long and thin seamless aluminum tubes. The automatic feeding device 1 and the bending device 3 are arranged on the beam frame 2; the automatic crimping device 6 and the frame changing device 7 are arranged on the base 8; two curled frames 5 are placed on the automatic curling device 6 and the frame changing device 7. As shown in fig. 1 and 2, an automatic feeding device 1 and a bending device 3 are arranged on a beam frame 2, a feeding roller set is driven by an oil cylinder to reciprocate, a feeding roller set and a bending roller set are also driven by the oil cylinder to reciprocate respectively, and the rotation of the feeding roller set and the feeding roller set is realized by motor driving respectively; the automatic crimping device 6 and the frame changing device 7 are arranged on the base 8, the crimping tray and the frame changing turntable are respectively driven to rotate by a motor, and the two crimping material frames 5 are respectively placed on the crimping tray and the frame changing turntable.
When the long and thin seamless aluminum tubes are extruded and produced to be curled automatically, the long and thin seamless aluminum tubes produced by a large double-acting reverse aluminum extruder by adopting a bottle needle are pulled to the tail end of a discharge roller way through a tractor, namely the front part of the automatic curler, the long and thin seamless aluminum tubes 4 are penetrated between feeding roller sets of an automatic feeding device 1 by means of an introducer with a conical inner cavity, the feeding roller sets are pushed by an oil cylinder to clamp the long and thin seamless aluminum tubes 4, and then the long and thin seamless aluminum tubes 4 are driven to rotate by a feeding motor set to be fed between feeding roller sets of a bending device 3; the feeding roller is driven by the oil cylinder to clamp the long and thin seamless aluminum pipe 4 and is driven by the motor group to rotate for feeding, the long and thin seamless aluminum pipe 3 is bent by the bending roller group, and the bending radius can be adjusted by the oil cylinder; after the bent long and thin seamless aluminum pipe 4 is led into a curling material frame 5 placed on a curling tray, the motor group drives the curling tray and the curling material frame 5 to start rotating for curling; when the curling tray descends through the oil cylinder after the curling is finished, placing the curled material frame 5 filled with the seamless aluminum pipe on a frame changing rotary table, driving the frame changing rotary table to horizontally rotate 180 degrees by a motor group, carrying out position exchange on two curled material frames 5, hanging away the curled material frame 5 filled with the seamless aluminum pipe, returning the other empty curled material frame 5 to a curling station, and driving the curling tray and the empty curled material frame 5 to ascend to the curling position by the oil cylinder to start the next curling working period; in the crimping process, the control of crimping force and crimping speed can be realized by jointly controlling the output torque and the output rotating speed of each motor unit, so that the traction force and the traction speed of the long and thin seamless aluminum pipe during extrusion are ensured, and the long and thin seamless aluminum pipe is automatically matched with an extruder.
The foregoing examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all designs that are the same or similar to the present invention are within the scope of the present invention. The components and structures not specifically described in this embodiment are well known in the art and are not described in detail herein.
Claims (7)
1. An automatic crimping equipment of long and thin seamless aluminum pipe extrusion production which characterized in that: the automatic feeding device comprises a beam frame (2) and a base (8), wherein an automatic feeding device (1) and a bending device (3) which are oppositely arranged are arranged on the beam frame (2), a frame changing device (7) is arranged on the base (8), two round curled material frames (5) parallel to the ground are arranged on the frame changing device (7), an automatic curling device (6) is arranged below the curled material frames (5), and the automatic curling device (6) and one curled material frame (5) are both positioned under the bending device (3);
the automatic feeding device (1) consists of an importer (1.1), a feeding roller set (1.3) and a feeding motor set (1.2), wherein one feeding roller of the feeding roller set (1.3) is correspondingly arranged on each output shaft of the feeding motor set (1.2), and the feeding motor set (1.2) drives the feeding roller set (1.3) to rotate;
the automatic crimping device (6) is composed of a crimping tray (6.1), a crimping gear set (6.2), a crimping motor (6.3) and a lifting oil cylinder (6.4), a gear on an output shaft of the crimping motor (6.3) is meshed with the gear of the crimping gear set (6.2), the crimping gear set (6.2) is fixedly connected with a supporting frame, the crimping tray (6.1) is installed on the supporting frame, and the bottom of the crimping tray (6.1) is in contact with the lifting oil cylinder (6.4).
2. An automatic crimping apparatus for extrusion production of a long and thin seamless aluminum pipe according to claim 1, wherein: each feeding roller of the feeding roller set (1.3) is connected with an oil cylinder, the oil cylinder drives the feeding roller of the feeding roller set (1.3) to reciprocate, the importer (1.1) is arranged at the end part of the beam frame (2), the feeding roller set (1.3) is arranged at the rear of the beam frame (2), the feeding roller sets (1.3) are composed of a plurality of groups of feeding rollers, each group is provided with two oppositely arranged feeding rollers, and the long and thin seamless aluminum tube (4) is positioned between the two feeding rollers of each group.
3. The automatic crimping apparatus for extrusion production of a long and thin seamless aluminum pipe according to claim 2, wherein: the bending device (3) is composed of a feeding motor group (3.1), a feeding roller group (3.2) and a bending roller group (3.3), the bending roller group (3.3) is arranged at the end of the beam frame (2) and is opposite to the introducer (1.1), the feeding roller group (3.2) is arranged in front of the bending roller group (3.3), one roller of the feeding roller group (3.2) is correspondingly arranged on each output shaft of the feeding motor group (3.1), the feeding motor group (3.1) drives the feeding roller group (3.2) to rotate, each roller of the feeding roller group (3.2) and the bending roller group (3.3) is connected with an oil cylinder, the oil cylinder drives the feeding roller group (3.2) and the bending roller group (3.3) to reciprocate, each feeding roller group (3.2) is composed of a plurality of feeding rollers, each aluminum pipe is provided with two feeding rollers, and each aluminum pipe is arranged between two feeding rollers in a seamless mode.
4. An automatic crimping apparatus for extrusion production of a long and thin seamless aluminum pipe according to claim 1, wherein: the frame replacing device (7) is composed of a frame replacing motor (7.1), a frame replacing gear set (7.2) and a frame replacing rotary table (7.3), gears on an output shaft of the frame replacing motor (7.1) are in meshed transmission with gears of the frame replacing gear set (7.2), the frame replacing gear set (7.2) is installed on a support, the support is installed right above a base (8), the frame replacing rotary table (7.3) is installed right above the support, the frame replacing motor (7.1) drives the frame replacing rotary table (7.3) to rotate through the frame replacing gear set (7.2), and two curled frames (5) are all arranged on the frame replacing rotary table (7.3).
5. An automatic crimping apparatus for extrusion production of a long and thin seamless aluminum pipe according to claim 4 wherein:
holes are formed in the curled material frame (5) and the frame replacing rotary disc (7.3), the lifting oil cylinder (6.4) drives the curled tray (6.1) to ascend and sequentially penetrate through the frame replacing rotary disc (7.3) and the curled material frame (5) and are clamped in the holes formed in the curled material frame (5) and the frame replacing rotary disc (7.3), the curled motor (6.3) drives the curled tray (6.1) to rotate through the curled gear set (6.2), and the curled tray (6.1) drives the curled material frame (5) to rotate.
6. The automatic crimping apparatus for extrusion production of a long and thin seamless aluminum pipe according to claim 2, wherein: the introducer (1.1) is a hollow cavity with two ends penetrating, one end opening of the hollow cavity is horn-shaped, and the long and thin seamless aluminum tube (4) enters from one large-caliber end of the horn-shaped introducer (1.1).
7. An automatic crimping method for extrusion production of long and thin seamless aluminum tubes is characterized by comprising the following steps:
step one, automatic feeding
The long and thin seamless aluminum tubes (4) are pulled to an automatic crimping device by the traction machine, the long and thin seamless aluminum tubes (4) enter a feeding roller set (1.3) through an importer (1.1), an oil cylinder pushes the feeding roller set (1.3) to clamp the long and thin seamless aluminum tubes (4), and meanwhile, a feeding motor set (1.2) drives the feeding roller set (1.3) to rotate so as to push the long and thin seamless aluminum tubes (4) forward to a position between feeding roller sets (3.2) of a bending device (3);
step two, automatic bending
The oil cylinder pushes the feeding roller set (3.2) to clamp the long and thin seamless aluminum tube (4), and meanwhile the feeding motor set (3.1) drives the feeding roller set (3.2) to rotate so as to convey the long and thin seamless aluminum tube (4) to the bending roller set (3.3) for bending;
step three, automatic crimping
The bent long and thin seamless aluminum pipe (4) is sent to a curled material frame (5) above a curled tray (6.1), a lifting oil cylinder (6.4) lifts the curled tray (6.1) upwards and is clamped with the curled material frame (5) above the curled tray (6.1), a curled motor (6.3) is opened, a gear on an output shaft of the curled motor (6.3) is meshed with a curled gear set (6.2), the curled tray (6.1) and the curled material frame (5) clamped with the curled tray (6.1) are driven to rotate, and the long and thin seamless aluminum pipe (4) is curled;
step four, material frame exchange
After the crimping is finished, the lifting oil cylinder (6.4) drives the crimping tray (6.1) to descend, a gear on the output shaft of the frame changing motor (7.1) is meshed with a gear of the frame changing gear set (7.2) to drive the frame changing rotary table (7.3) to rotate 180 degrees in a horizontal plane, the crimping material frame (5) filled with the crimped seamless aluminum pipe is subjected to position exchange with the empty crimping material frame (5), the crimping material frame (5) filled with the crimped seamless aluminum pipe is lifted away, the other empty crimping material frame (5) is replaced to a crimping station, and the lifting oil cylinder (6.4) drives the crimping tray (6.1) to ascend to start the next crimping working cycle.
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| CN109731964B (en) * | 2019-01-18 | 2024-05-28 | 北京中电华强焊接工程技术有限公司 | Novel little R extrusion finishing machine |
| CN113021927B (en) * | 2021-02-22 | 2022-05-06 | 浙江震防科技有限公司 | Installation device for shock insulation support rubber protective layer tightly attached |
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