CN116673370A - Flat pipe bending machine head structure - Google Patents
Flat pipe bending machine head structure Download PDFInfo
- Publication number
- CN116673370A CN116673370A CN202310615635.1A CN202310615635A CN116673370A CN 116673370 A CN116673370 A CN 116673370A CN 202310615635 A CN202310615635 A CN 202310615635A CN 116673370 A CN116673370 A CN 116673370A
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- Prior art keywords
- bending
- die
- rotating shaft
- pipe fitting
- clamping die
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- 238000005452 bending Methods 0.000 title claims abstract description 126
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 230000003028 elevating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
- B21D11/07—Making serpentine-shaped articles by bending essentially in one plane
-
- 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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
-
- 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
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
-
- 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
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a flat tube bending machine head structure which comprises a machine head mounting seat, a machine head seat movably mounted on the machine head mounting seat and a transverse moving driver capable of driving the machine head seat to move left and right relative to a machine frame, wherein the machine head seat is provided with two groups of bending mechanisms, the two groups of bending mechanisms are respectively a first bending mechanism capable of bending a tube in a clockwise direction and a second bending mechanism capable of bending the tube in a anticlockwise direction, and the machine head seat is provided with a first lifting driver capable of driving the first bending mechanism to move up and down and a second lifting driver capable of driving the second bending mechanism to move up and down. The invention can automatically bend clockwise or anticlockwise at the corresponding position on the pipe fitting according to the requirement, and can form complex bent pipes at one time.
Description
Technical Field
The invention relates to the technical field of pipe bending machines, in particular to a flat pipe bending machine head structure.
Background
Along with the improvement of new energy automobile power battery package capacity and the demand of quick charge, the heat transfer volume of power battery package promotes gradually, and the demand of cooling is hardly satisfied to the mode of liquid cooling, adopts the direct heat transfer of refrigerant mode to begin extensive application, adopts in the direct heat transfer of refrigerant mode, and microchannel directly cooling flat tube plays key effect.
The straight cold plate flat tube is formed by bending a long straight flat tube with the length of 8 meters, and the straight cold plate flat tube can be finally formed after being bent for a plurality of times in the production process. However, the traditional pipe bending machine can generally bend the pipe fitting for 1-3 times at a time, so that the pipe fitting is bent into an L shape, a U shape or a G shape, for example, the patent with publication number CN105537335A is similar, the pipe bending machine disclosed in the patent can bend the pipe fitting for 1 time at a time, and if the pipe bending machine is adopted for processing the pipe fitting, the pipe fitting is required to be bent and molded for multiple times, so that the working efficiency is low.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a flat tube bender head structure capable of automatically bending an ultra-long tube several times.
The invention adopts the technical proposal for solving the technical problems that:
the utility model provides a flat tube bending machine head structure, includes aircraft nose mount pad, movable mounting be in headstock on the aircraft nose mount pad and can drive the headstock is for the sideslip driver of frame left and right movement, be provided with two sets of mechanism of bending on the headstock, two sets of mechanism of bending are respectively can be with the first mechanism of bending of pipe fitting along clockwise and can be with the second mechanism of bending of pipe fitting along anticlockwise bending, be provided with on the headstock can drive first elevating driver that first mechanism reciprocated and can drive second elevating driver that second mechanism reciprocated of bending, two sets of mechanism of bending all can move to the working position that can bend the pipe fitting when moving for the frame.
In a preferred embodiment of the present invention, the bending mechanism includes a lifting base movable up and down with respect to the headstock, a bending die rotatably mounted on the lifting base, a bending driver capable of driving the bending die to rotate, and a master die located at one side of the bending die.
In a preferred embodiment of the present invention, the bending die includes a rotating shaft and a clamping die disposed at an upper end of the rotating shaft, the clamping die is provided with a clamping die shaft coaxial with the rotating shaft, a winding portion disposed at one side of the clamping die shaft, and a pipe accommodating groove formed between the clamping die shaft and the winding portion and capable of accommodating a pipe, and the rotating shaft winds the pipe inserted in the pipe accommodating groove when rotating together with the clamping die.
In a preferred scheme of the invention, the clamping die comprises an upper clamping die fixed at the upper end of the rotating shaft and an upper clamping die positioned above the lower clamping die, a lower disc protruding upwards is arranged on the upper surface of the lower clamping die, a lower boss protruding upwards is arranged on the edge of the upper surface of the lower clamping die, an upper disc corresponding to the lower disc is arranged on the lower surface of the upper clamping die, an upper boss corresponding to the lower boss is arranged on the edge of the lower surface of the upper clamping die, the upper disc and the lower disc jointly form the clamping die shaft, the upper boss and the lower boss jointly form the bending part, the upper clamping die is connected with a die opening driver capable of driving the upper clamping die to move up and down relative to the lower clamping die, the upper boss and the lower boss are clung or close to each other when the upper clamping die moves down to the lowest point, and an opening for allowing a pipe fitting to pass through is formed between the upper boss and the lower boss when the upper clamping die moves up to the highest point.
In a preferred scheme of the invention, the rotating shaft is hollow and tubular, the lower clamping die is provided with a through hole opposite to the inner hole of the rotating shaft, the die opening driver comprises a cylinder or an oil cylinder or a motor positioned below the rotating shaft, the output end of the die opening driver is connected with a vertical rod, and the vertical rod penetrates through the inner hole of the rotating shaft and the through hole of the lower clamping die and is connected with the upper clamping die.
In a preferred scheme of the invention, the bending driver is a motor, the output end of the motor is connected with a speed reducer, and the output end of the speed reducer is connected with the rotating shaft through a chain wheel and chain mechanism, a gear set or a synchronous toothed belt and other transmission mechanisms to drive the rotating shaft and the clamping die to rotate around the axis of the rotating shaft.
In a preferred scheme of the invention, the lifting seat is provided with the profiling mounting plate and the profiling driver capable of driving the profiling mounting plate to move left and right, the profiling is arranged on the profiling mounting plate in a front-back sliding manner through the guide rail mechanism, the profiling mounting plate can be close to or far away from a pipe clamped by the clamping die when moving left and right with the profiling, the profiling is abutted with the pipe when the clamping die rotates to bend the pipe, and the profiling can move back and forth along with the corresponding part on the pipe in the process of bending the pipe so as to keep relative static between the profiling and the pipe.
In a preferred embodiment of the invention, the profile is further provided with a positioning groove into which the edge portion of the pipe is clamped.
In a preferred scheme of the invention, the transverse moving driver is a motor, the output end of the motor is connected with a speed reducer, and the output end of the speed reducer is connected with the headstock through a screw pair to drive the headstock to move left and right.
The beneficial effects of the invention are as follows: when the invention is applied to the ultra-long flat pipe bending machine, two groups of bending mechanisms which can respectively bend the pipe fitting clockwise and anticlockwise are adopted to cooperatively work, the pipe fitting can be bent clockwise or anticlockwise at the corresponding position on the pipe fitting according to the requirement, the ultra-long pipe fitting can be automatically bent for multiple times, and the complex bent pipe can be formed at one time.
Drawings
FIG. 1 is a perspective view of a serpentine microchannel direct chill plate flat tube;
FIG. 2 is a schematic diagram of a pipe bender;
FIG. 3 is a top view of the main portion of the bending machine when the first bending mechanism bends a pipe fitting;
FIG. 4 is a top view of the main portion of the bending machine when the second bending mechanism bends a pipe fitting;
FIG. 5 is a perspective view of the elbow head;
FIG. 6 is an exploded view of the elbow fitting;
FIG. 7 is a cross-sectional view of the bending mechanism with the upper clamping die open;
FIG. 8 is a cross-sectional view of the bending mechanism with the upper clamping die closed;
FIG. 9 is a front view of a clamping die;
fig. 10 is an exploded view of the clamping die.
Detailed Description
The technical scheme of the present invention will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear …) in the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the description of "preferred," "less preferred," and the like, herein is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "preferred", "less preferred" may include at least one such feature, either explicitly or implicitly.
Referring to fig. 1 to 10, an ultra-long flat tube bending machine comprises a frame 1, wherein a tube bending machine head 2, a feeding mechanism and a hosting platform 4 are arranged on the frame 1.
The pipe bender head 2 comprises a head mounting seat 101 fixed on a frame, a headstock 21 movably mounted on the head mounting seat 101 and a traversing driver 221 capable of driving the headstock 21 to move left and right relative to the head mounting seat 101, two groups of bending mechanisms 23 are arranged on the headstock 21, the two groups of bending mechanisms 23 are respectively a first bending mechanism capable of bending a pipe fitting 3 in a clockwise direction and a second bending mechanism capable of bending the pipe fitting 3 in a counterclockwise direction, a first lifting driver 241 capable of driving the first bending mechanism to move up and down and a second lifting driver 242 capable of driving the second bending mechanism to move up and down are arranged on the headstock 21, and the two groups of bending mechanisms 23 can move to working positions capable of bending the pipe fitting 3 when moving relative to the frame 1.
The feeding mechanism comprises a pipe feeding mechanism capable of supporting the pipe fitting 3 and conveying the pipe fitting 3 forward to the working position of the bending mechanism 23. The pipe feeding mechanism includes a pipe clamping device 51 capable of clamping the pipe member 3, and a pipe feeding driving device 52 capable of driving the pipe clamping device 51 to move forward and backward.
The support platform 4 is arranged beside the tube bending head 2 and is used for supporting the bent part on the tube 3.
The bending method of the pipe bender head 2 on the pipe fitting 3 to form two bending parts in different directions is as follows, firstly, the headstock 21 moves left and right to enable the first bending mechanism or the second bending mechanism to move to the working position, the pipe fitting 3 is bent clockwise or anticlockwise to form a first bending part, then the pipe feeding mechanism conveys the pipe fitting 3 forwards for a certain distance, then the headstock 21 moves left and right to enable the other bending mechanism 23 to move to the working position, meanwhile, the first bending mechanism 23 moves upwards or downwards relative to the headstock 21 to enable the first bending mechanism 23 to avoid the area swept by the pipe fitting 3 when bending, and finally the second bending mechanism 23 bends the pipe fitting 3 towards the direction opposite to the first bending part, so that a second bending part can be formed.
The steps are repeated for at least 3 times, so that a serpentine flat tube can be formed, such as the serpentine microchannel direct-cooling flat tube in fig. 1.
According to the ultra-long flat pipe bending machine, two groups of bending mechanisms 23 which can respectively bend the pipe fitting 3 clockwise and anticlockwise are adopted to cooperatively work, the corresponding positions on the pipe fitting 3 can be bent clockwise or anticlockwise according to requirements, the ultra-long pipe fitting 3 can be bent for multiple times automatically, and the complex bent pipe can be formed at one time.
Referring to fig. 5 to 8, the bending mechanism 23 includes a lifting base 231 that is movable up and down with respect to the headstock 21, a bending die rotatably mounted on the lifting base 231, a bending driver 232 that can drive the bending die to rotate, and a master 233 that is located on one side of the bending die. The bending die comprises a rotating shaft 234 and a clamping die 235 arranged at the upper end of the rotating shaft 234, wherein the clamping die 235 is provided with a clamping die shaft 2351 coaxial with the rotating shaft 234, a bending part 2352 positioned at one side of the clamping die shaft 2351, and a pipe placing groove 2353 which is formed between the clamping die shaft 2351 and the bending part 2352 and can be used for accommodating the pipe fitting 3, and the rotating shaft 234 bends the pipe fitting 3 inserted in the pipe placing groove 2353 when carrying the clamping die 235 to rotate together.
In a preferred embodiment of the present invention, the clamping die 235 includes an upper clamping die 235a fixed at an upper end of the rotating shaft 234, and an upper clamping die 235a located above the lower clamping die 235b, wherein a lower disc protruding upward is disposed on an upper surface of the lower clamping die 235b, a lower boss protruding upward is disposed on an edge of an upper surface of the lower clamping die 235b, an upper disc corresponding to the lower disc is disposed on a lower surface of the upper clamping die 235a, an upper boss corresponding to the lower boss is disposed on an edge of a lower surface of the upper clamping die 235a, the upper disc and the lower disc together form the clamping die shaft 2351, the upper boss and the lower boss together form a winding portion 2352, the upper clamping die 235a is connected with an opening driver 239 capable of driving the opening driver to move up and down relative to the lower clamping die 235b, the upper boss and the lower boss are tightly attached or pressed together when the upper clamping die 235a moves up to a highest point, and an opening through which the pipe 3 can pass is formed between the upper boss and the lower boss.
The die opening driver 239 is a cylinder or motor. The rotating shaft 234 is hollow and tubular, a through hole opposite to the inner hole of the rotating shaft 234 is formed in the lower clamping die 235b, the die opening driver 239 comprises a cylinder or an electric cylinder positioned below the rotating shaft 234, the output end of the die opening driver 239 is connected with a vertical rod 238, and the vertical rod 238 penetrates through the inner hole of the rotating shaft 234 and the through hole of the lower clamping die 235b and is connected with the upper clamping die 235 a.
Before bending the pipe fitting 3, under the power action of the pipe feeding mechanism, the front end of the pipe fitting 3 moves forward and passes through the accommodating groove on the clamping die 235 of the first bending mechanism, after the pipe fitting 3 moves forward in place, the bending driver 232 drives the rotating shaft 234 and the clamping die 235 to rotate together, so that a first bending part can be wound on the pipe fitting 3, and if necessary, the pipe fitting 3 can be bent once again through the first bending mechanism, so that a U-shaped part is formed on the pipe fitting 3; after the round of operation of the first bending mechanism is completed, the die opening driver 239 pushes the vertical rod 238 upwards, so that the upper clamping die 235a can be opened upwards, and then the first bending mechanism moves, so that the pipe fitting 3 can be separated from the opening between the upper clamping die 235a and the lower clamping die 235 b; then the clamping die 235 on the second bending mechanism is opened, then the second bending mechanism moves to the working position to clamp the pipe fitting 3 into the clamping die 235 on the second bending mechanism, then the clamping die 235 is closed, and the second bending operation can be performed on the pipe fitting 3.
In a preferred embodiment of the present invention, the bending driver 232 is a motor, the output end of the motor is connected to the speed reducer 222, and the output end of the speed reducer 222 is connected to the rotating shaft 234 through a sprocket chain mechanism, a gear set or a synchronous toothed belt mechanism to drive the rotating shaft 234 and the clamping die 235 to rotate together around the axis of the rotating shaft 234.
As a further improvement of the above-mentioned scheme, the lifting seat 231 is provided with a profiling mounting plate 236 and a profiling driver 237 capable of driving the profiling mounting plate 236 to move left and right, and the profiling driver 237 is an air cylinder, an oil cylinder or a motor. The profiling 233 is slidably mounted back and forth on a profiling mounting plate 236 by a rail mechanism, and the profiling mounting plate 236 can move toward and away from the pipe 3 clamped by the clamping die 235 when moving left and right with the profiling 233. When the clamp die 235 rotates to bend the pipe fitting 3, the profiling 233 can be abutted against the pipe fitting 3, and the profiling 233 props against the pipe fitting 3 to avoid deformation of the pipe fitting 3; in addition, the profiling 233 is provided to be movable back and forth, and the profiling 233 can be moved back and forth along with the corresponding portion on the pipe 3 during bending of the pipe 3 so as to keep relatively stationary between the profiling 233 and the pipe 3. Avoiding the relative sliding between the pipe fitting 3 and the profiling 233 to scratch the surface of the pipe fitting 3. Further, the profile 233 is further provided with a positioning groove 2331 into which the edge portion of the pipe 3 is caught. The positioning groove 2331 can position the pipe 3 and provide a certain supporting force for the pipe 3.
Preferably, the traverse driver 221 is a motor, the output end of the motor is connected with a speed reducer 222, and the output end of the speed reducer 222 is connected with the headstock 21 through a screw pair to drive the headstock 21 to move left and right.
The first elevating driver 241 is a cylinder or an oil cylinder or a motor, and the second elevating driver 242 is a cylinder or an oil cylinder or a motor. When the two are motors, a ball screw nut mechanism is needed to be matched.
A nose mounting seat 101 is fixed on the frame 1, a guide rail is arranged between the nose seat 21 and the nose mounting seat 101 for reducing friction force, a guide rail is arranged between the lifting seat 231 and the nose seat 21, a guide rail is also arranged between the profiling mounting plate 236 and the lifting seat 231, and a sliding sleeve is arranged between the vertical rod 238 and the rotating shaft 234.
In some embodiments of the present invention, the clamping die 235 may take other forms, such as a structure formed by splicing left and right parts. It is also possible to use a structure in which the clamp shaft 2351 and the winding portion 2352 are separated, wherein the clamp shaft 2351 is a single component and the winding portion 2352 is another single component.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (9)
1. The utility model provides a flat pipe bending machine head structure which is characterized in that, including aircraft nose mount pad (101), movable mounting aircraft nose seat (21) on aircraft nose mount pad (101) and can drive aircraft nose seat (21) left and right movement's relative to aircraft nose mount pad (101) sideslip driver (221), be provided with two sets of bending mechanism (23) on aircraft nose seat (21), two sets of bending mechanism (23) are respectively can be with pipe fitting (3) along the first bending mechanism of clockwise bending and can be with pipe fitting (3) along anticlockwise bending mechanism, be provided with on aircraft nose seat (21) can drive first elevating driver (241) that first bending mechanism reciprocated and can drive second elevating driver (242) that second bending mechanism reciprocated, can both move to the working position that can bend pipe fitting (3) when two sets of bending mechanism (23) move relative to frame (1);
the method for bending the pipe fitting (3) to form two bending parts in different directions by the pipe bending machine head structure comprises the following steps that firstly, a machine head seat (21) moves leftwards and rightwards to enable a first bending mechanism or a second bending mechanism to move to a working position, the pipe fitting (3) is bent clockwise or anticlockwise to form a first bending part, then a pipe conveying mechanism conveys the pipe fitting (3) forwards for a certain distance, then the machine head seat (21) moves leftwards and rightwards to enable the other bending mechanism (23) to move to the working position, meanwhile, the first bending mechanism (23) moves upwards or downwards relative to the machine head seat (21), the first bending mechanism (23) avoids a region swept by the pipe fitting (3) during bending, and finally, a second bending mechanism (23) bends the pipe fitting (3) towards the direction opposite to the first bending part, so that a second bending part can be formed.
2. The flat tube bender head structure according to claim 1, wherein the bending mechanism (23) comprises a lifting base (231) capable of moving up and down relative to the headstock (21), a bending die rotatably mounted on the lifting base (231), a bending driver (232) capable of driving the bending die to rotate, and a profiling (233) located at one side of the bending die.
3. The flat tube bender head structure according to claim 2, wherein the bending die comprises a rotating shaft (234) and a clamping die (235) arranged at the upper end of the rotating shaft (234), the clamping die (235) is provided with a clamping die shaft (2351) coaxial with the rotating shaft (234), a bending part (2352) positioned at one side of the clamping die shaft (2351), and a tube accommodating groove (2353) formed between the clamping die shaft (2351) and the bending part (2352) and capable of accommodating the tube (3), and the tube (3) inserted in the tube accommodating groove (2353) is bent when the rotating shaft (234) rotates together with the clamping die (235).
4. A flat tube bender head structure according to claim 3, wherein the die (235) comprises an upper die (235 a) fixed at the upper end of the rotating shaft (234), and an upper die (235 a) located above the lower die (235 b), the upper surface of the lower die (235 b) is provided with a lower disc protruding upwards, the edge of the upper surface of the lower die (235 b) is provided with an upper disc corresponding to the lower disc, the edge of the lower surface of the upper die (235 a) is provided with an upper boss corresponding to the lower disc, the upper disc and the lower disc together form the die shaft (2351), the upper boss and the lower boss together form the bending part (2352), the upper die (235 a) is connected with an opening die driver (239) capable of driving the upper die to move upwards and downwards relative to the lower die (235 b), and the upper die (235 a) moves to the lowest point or is close to the upper boss (3) when the upper die and the lower boss are closed.
5. The flat tube bender head structure according to claim 4, wherein the rotating shaft (234) is hollow, the lower clamping die (235 b) is provided with a through hole opposite to the inner hole of the rotating shaft (234), the die opening driver (239) comprises a cylinder or an electric cylinder located below the rotating shaft (234), the output end of the die opening driver (239) is connected with a vertical rod (238), and the vertical rod (238) passes through the inner hole of the rotating shaft (234) and the through hole of the lower clamping die (235 b) and is connected with the upper clamping die (235 a).
6. A flat tube bender head structure according to claim 3, wherein the bending driver (232) is a motor, the output end of the motor is connected with a speed reducer (222), and the output end of the speed reducer (222) is connected with the rotating shaft (234) through a sprocket chain mechanism to drive the rotating shaft (234) and the clamping die (235) to rotate together around the axis of the rotating shaft (234).
7. A flat tube bender head structure according to claim 3, wherein the lifting base (231) is provided with a profile mounting plate (236) and a profile driver (237) capable of driving the profile mounting plate (236) to move left and right, the profile (233) is slidably mounted on the profile mounting plate (236) back and forth through a guide rail mechanism, the profile mounting plate (236) can approach or depart from the tube (3) clamped by the clamping die (235) when carrying the profile (233) to move left and right, the clamping die (235) abuts against the tube (3) when bending the tube (3) in a rotating manner, and the profile (233) can move back and forth along with the corresponding part on the tube (3) in the process of bending the tube (3) so as to keep the relative static between the profile (233) and the tube (3).
8. The flat tube bender head structure according to claim 7, wherein the profiling (233) is further provided with a positioning groove (2331) into which the edge portion of the tube (3) is caught.
9. The flat tube bender head structure according to claim 1, wherein the traverse actuator (221) is a motor, the output end of the motor is connected with a speed reducer (222), and the output end of the speed reducer (222) is connected with the headstock (21) through a screw pair to drive the headstock (21) to move left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310615635.1A CN116673370A (en) | 2023-05-26 | 2023-05-26 | Flat pipe bending machine head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310615635.1A CN116673370A (en) | 2023-05-26 | 2023-05-26 | Flat pipe bending machine head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116673370A true CN116673370A (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310615635.1A Pending CN116673370A (en) | 2023-05-26 | 2023-05-26 | Flat pipe bending machine head structure |
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| Country | Link |
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| CN (1) | CN116673370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564181A (en) * | 2024-01-15 | 2024-02-20 | 博格思众（常州）热交换器有限公司 | Full-automatic bending equipment for A-shaped flat pipe |
-
2023
- 2023-05-26 CN CN202310615635.1A patent/CN116673370A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564181A (en) * | 2024-01-15 | 2024-02-20 | 博格思众（常州）热交换器有限公司 | Full-automatic bending equipment for A-shaped flat pipe |
| CN117564181B (en) * | 2024-01-15 | 2024-04-16 | 博格思众（常州）热交换器有限公司 | Full-automatic bending equipment for A-shaped flat pipe |
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