CN111589905A

CN111589905A - Micro-through plate bending machine

Info

Publication number: CN111589905A
Application number: CN202010406695.9A
Authority: CN
Inventors: 金水明; 董长盛; 蒋庆
Original assignee: HANGZHOU ZHONGJIU AUTOMATIC CONTROL SYSTEM CO Ltd
Current assignee: HANGZHOU ZHONGJIU AUTOMATIC CONTROL SYSTEM CO Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-08-28

Abstract

The invention relates to the technical field of machining of micro-through plate assemblies, and discloses a micro-through plate bending machine, which is characterized by comprising a frame body, wherein a placing platform and a flat plate are arranged in the frame body, the flat plate is positioned above the platform, a power mechanism for driving the flat plate to move up and down is arranged on the frame body, a clamping mechanism for clamping the micro-through plate assembly on the placing platform is arranged on the placing platform, when the micro-through plate assembly is bent, the micro-through plate assembly is firstly placed on two transverse plates, then the micro-through plate assembly is clamped through the clamping mechanism, the flat tube is pre-bent through a roller by the pre-bending mechanism, so that an included angle is formed between the flat tube and a vertical plane, the flat tube can be smoothly bent, the breakage condition can not occur, a core rod is eliminated, the two transverse plates rotate through the matching between the power mechanism and the rotating mechanism, and the bending of the, and a gap is ensured to exist between every two adjacent flat pipes after bending.

Description

Micro-through plate bending machine

Technical Field

The invention relates to the technical field of machining of a micro-through plate assembly, in particular to a micro-through plate bending machine.

Background

The micro-through plate assembly consists of a plurality of flat pipes and two micro-through plates which are arranged oppositely, the flat pipes are arranged between one opposite sides of the two micro-through plates, and the flat pipes are arranged in an array manner;

the general equipment of bending to little logical board subassembly, its bending process is: firstly, feeding the micro-through plate assembly, then clamping the micro-through plate assembly through a clamping unit, inserting a core rod into one side of a bending position (namely a flat pipe position) of the micro-through plate assembly, which is adjacent to a bending inner angle, and then bending the micro-through plate assembly through a bending unit;

after the micro through plate assembly is bent by the method, every two adjacent flat pipes can be attached to each other, and the flat pipes attached to each other can reduce the heat exchange efficiency of the heat exchanger of the micro through plate assembly, so that defective products are produced, the qualified rate of finished products is reduced, and the working efficiency is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a micro-through plate bending machine which is used for ensuring that a gap exists between every two adjacent flat tubes after bending.

In order to achieve the purpose, the invention provides the following technical scheme: the micro-through plate bending machine comprises a frame body, wherein a placing platform and a flat plate are arranged in the frame body, the flat plate is positioned above the platform, a power mechanism for driving the flat plate to move up and down is arranged on the frame body, a clamping mechanism for clamping a micro-through plate assembly on the placing platform is arranged on the placing platform, the clamping mechanism comprises a clamping part, a moving assembly for driving the clamping mechanism to move along the length direction of the micro-through plate assembly is further arranged on the placing platform, a deformation mechanism for pre-bending the flat plate is arranged at the bottom of the flat plate so as to enable the top of the flat plate to form a recess, the placing platform comprises two transverse plates, the clamping part is respectively arranged below the two transverse plates, one ends, opposite to the two transverse plates, are respectively hinged with the frame body, and the two transverse plates are arranged on the flat plate and used, the rotating mechanism enables one ends of the two transverse plates, which are far away from each other, to approach or separate from each other.

As a further improvement of the invention, the power mechanism comprises a servo motor and a screw rod, the screw rod is connected with the flat plate through a linear bearing, the screw rod is respectively arranged on two opposite sides of the flat plate, one end of the screw rod is rotatably connected with the bottom of the frame body, the other end of the screw rod penetrates through the top surface of the frame body and is fixedly connected with a first transmission wheel, the servo motor is fixedly connected with the top of the frame body, the output end of the servo motor is fixedly connected with a second transmission wheel, and the first transmission wheel and the two second transmission wheels are transmitted through a transmission belt.

As a further improvement of the invention, four corners of the flat plate are respectively connected with a flat sliding rod through linear bearings, one end of the flat sliding rod is fixedly connected with the top of the frame body, and the other end of the flat sliding rod is fixedly connected with the bottom of the frame body.

As a further improvement of the invention, the clamping portion comprises through grooves, a pressing plate, a sliding plate and an air cylinder, the through grooves are respectively arranged on the two sides of the transverse plate in the length direction of the micro through plate assembly, two ends of the pressing plate are respectively and fixedly connected with a fixing plate, the fixing plate penetrates through the through grooves and is fixedly connected with the output end of the air cylinder, the air cylinder drives the pressing plate to move up and down, the sliding plate is slidably connected to the bottom of the transverse plate, and the sliding plate is fixedly connected with the air cylinder.

As a further improvement of the present invention, the moving assembly includes a first motor and a first gear, the first motor is fixedly connected to the sliding plate, an output shaft of the first motor is fixedly connected to the first gear, a first rack is fixedly connected to the bottom of the transverse plate, and the first rack is engaged with the first gear.

As a further improvement of the invention, the deformation mechanism comprises a second motor and a bracket, the bracket is fixedly connected to the bottom of the flat plate, the second motor is fixedly connected to the bracket, the output of the second motor is fixedly connected with a screw rod, a connecting block is in threaded connection with the screw rod, the top of the connecting block is in sliding connection with the bracket, the second motor drives the connecting block to move along the width direction of the micro-through plate assembly, and the bottom of the connecting block is rotatably connected with a roller.

As a further improvement of the invention, after the flat pipe is pre-bent, the included angle between the depression of the flat pipe and the vertical plane is 25-35 degrees.

As a further improvement of the present invention, the rotating mechanism includes a third motor and two sliding frames, an output end of the third motor is fixedly connected to a second gear, the sliding frames are slidably connected to the flat plate, the two sliding frames are respectively and fixedly connected to a second rack, the third motor drives the two sliding frames to move away from or close to each other through the second gear and the second rack, the sliding frames correspond to the horizontal plates one by one, and a connecting rod is hinged between the sliding frames and the horizontal plates.

As a further improvement of the invention, the bottom of the frame body is also provided with a translation mechanism, and the translation mechanism is used for driving the two transverse plates to be away from or close to each other on the horizontal plane.

As a further improvement of the present invention, the translation mechanism includes a fourth motor and two support frames, the support frames correspond to the transverse plates one to one, the transverse plates are hinged to the support frames, a fixed frame is fixedly connected to the bottom of the frame body, the fourth motor is fixedly connected to the fixed frame, the support frames are slidably connected to the fixed frame, an output end of the fourth motor is fixedly connected to a third gear, the support frames are respectively and fixedly connected to a third rack, and the fourth motor drives the two support frames to move away from or close to each other through the third gear and the third rack.

The invention has the beneficial effects that: when the micro-through plate assembly is bent, the micro-through plate assembly is firstly placed on the two transverse plates, then the micro-through plate assembly is clamped through the clamping mechanism, the flat tubes are pre-bent through the roller by the pre-bending mechanism, so that an included angle exists between the flat tubes and a vertical plane, the flat tubes can be smoothly bent, the flat tubes cannot be broken, the arrangement of a core rod is omitted, the two transverse plates rotate through the matching between the power mechanism and the rotating mechanism, the micro-through plate assembly is bent, and a gap is reserved between every two adjacent flat tubes after bending.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the present invention in a bent state;

FIG. 4 is a schematic view of the structure at the deforming mechanism of the present invention;

FIG. 5 is a schematic view of the structure at the clamping mechanism of the present invention;

FIG. 6 is a schematic view of the structure of the rotating mechanism of the present invention;

FIG. 7 is a schematic view of the clamping mechanism of the present invention from another perspective;

FIG. 8 is a schematic view of the present invention with the addition of a translation mechanism;

fig. 9 is a schematic view of the structure of the translation mechanism of the present invention.

Reference numerals: 1. a frame body; 11. a flat plate; 12. a transverse plate; 2. a power mechanism; 21. a servo motor; 22. a screw rod; 23. a first drive pulley; 24. a second transmission wheel; 25. a flat sliding bar; 3. a clamping mechanism; 31. a clamping portion; 311. a through groove; 312. pressing a plate; 313. a sliding plate; 314. a cylinder; 315. a fixing plate; 4. a moving assembly; 41. a first motor; 42. a first gear; 43. a first rack; 5. a deformation mechanism; 51. a second motor; 52. a support; 53. a screw; 54. connecting blocks; 55. a roller; 6. a rotating mechanism; 61. a third motor; 62. a carriage; 63. a second gear; 64. a second rack; 65. a connecting rod; 7. a translation mechanism; 71. a fourth motor; 72. a support frame; 73. a fixed mount; 74. a third gear; 75. and a third rack.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 9, the micro-through plate bending machine of the present embodiment includes a frame body 1, a placing platform and a flat plate 11 are disposed in the frame body 1, the flat plate 11 is located above the platform, the placing platform includes two transverse plates 12, opposite ends of the two transverse plates 12 are respectively hinged to the frame body 1, a power mechanism 2 for driving the flat plate 11 to move up and down is disposed on the frame body 1, the power mechanism 2 includes a servo motor 21 and a lead screw 22, the lead screw 22 is connected to the flat plate 11 through a linear bearing, two opposite sides of the flat plate 11 are respectively provided with the lead screw 22, one end of the lead screw 22 is rotatably connected to the bottom of the frame body 1, the other end of the lead screw 22 penetrates through the top surface of the frame body 1 and is fixedly connected to a first driving wheel 23, the servo motor 21 is fixedly connected to the top of the frame body 1, and an output end of the servo motor, the servo motor 21 is started, and drives the two screw rods 22 to rotate through the first transmission wheel 23, the second transmission wheel 24 and the transmission belt, so as to drive the flat plate 11 to move up and down in the frame body 1;

the placing platform is provided with a clamping mechanism 3 used for clamping the micro through plate assembly on the placing platform, the clamping mechanism 3 comprises a clamping part 31, the clamping part 31 is respectively arranged below two transverse plates 12, the clamping part 31 comprises a through groove 311, a pressing plate 312, a sliding plate 313 and an air cylinder 314, the transverse plates 12 are respectively provided with the through groove 311 at two sides in the length direction of the micro through plate assembly, two ends of the pressing plate 312 are respectively and fixedly connected with a fixing plate 315, the fixing plate 315 passes through the through groove 311 and is fixedly connected with the output end of the air cylinder 314, the air cylinder 314 drives the pressing plate 312 to move up and down, the sliding plate 313 is slidably connected with the bottom of the transverse plates 12, the sliding plate 313 is fixedly connected with the air cylinder 314, when the micro through plate assembly is clamped, the micro through plate assembly is placed on the two transverse plates 12, the moving assembly 4 drives the two pressing plates, then the air cylinder 314 drives the pressing plate 312 to move downwards, so that the micro through plate assembly is clamped between the pressing plate 312 and the transverse plate 12;

the placing platform is further provided with a moving assembly 4 for driving the clamping mechanism 3 to move along the length direction of the micro-through plate assembly, the moving assembly 4 comprises a first motor 41 and a first gear 42, the first motor 41 is fixedly connected to the sliding plate 313, an output shaft of the first motor 41 is fixedly connected with the first gear 42, the bottom of the transverse plate 12 is fixedly connected with a first rack 43, the first rack 43 is meshed with the first gear 42, the first motor 41 is started to drive the first gear 42 to rotate, and the first gear 42 is meshed with the first rack 43 to drive the two pressing plates 312 to approach or separate from each other;

the bottom of the flat plate 11 is provided with a deformation mechanism 5 for pre-bending the flat plate, so that the top of the flat plate is recessed, and in the process of bending two micro-through plate assemblies, the end of the flat plate, which is opposite to the bending direction of the micro-through plate assemblies, is ensured not to break, so that the flat plate can be smoothly and completely bent, the deformation mechanism 5 comprises a second motor 51 and a support 52, the support 52 is fixedly connected to the bottom of the flat plate 11, the second motor 51 is fixedly connected to the support 52, the output of the second motor 51 is fixedly connected with a screw 53, the screw 53 is in threaded connection with a connecting block 54, the top of the connecting block 54 is in sliding connection with the support 52, the second motor 51 drives the connecting block 54 to move along the width direction of the micro-through plate assemblies, the bottom of the connecting block 54 is rotatably connected with a roller 55, when the flat plate, the roller 55 presses the flat pipe, then the second motor 51 is started to drive the screw 53 to rotate, so that the connecting block 54 moves once along the width direction of the micro-through plate assembly to complete pre-bending of the flat pipe, then the power mechanism 2 drives the flat plate 11 to move upwards, and the roller 55 is also driven by the second motor 51 to complete resetting;

the flat plate 11 is provided with a rotating mechanism 6 for driving the two transverse plates 12 to synchronously rotate so as to enable the ends, which are far away from each other, of the two transverse plates 12 to approach or separate from each other, the rotating mechanism 6 comprises a third motor 61 and two sliding frames 62, the output end of the third motor 61 is fixedly connected with a second gear 63, the sliding frames 62 are slidably connected with the flat plate 11, the two sliding frames 62 are respectively and fixedly connected with a second rack 64, the third motor 61 drives the two sliding frames 62 to separate or approach from each other through the second gear 63 and the second rack 64, the sliding frames 62 correspond to the transverse plates 12 one by one, connecting rods 65 are hinged between the sliding frames 62 and the transverse plates 12, the connecting rods 65 can be four, two ends of the sliding frames 62 are respectively hinged with the connecting rods 65, one end of each connecting rod 65 is respectively hinged on the side, which is, power unit 2 drives dull and stereotyped 11 and moves down, at this moment, third motor 61 in slewing mechanism 6 starts, it is close to each other to drive two carriages 62 through second gear 63 and second rack 64, in order to ensure that diaphragm 12 does not take place to warp, when slewing mechanism 6 bends little logical board subassembly, power unit 2 drives dull and stereotyped 11 and moves up, carriage 62's position is unchangeable, make two diaphragms 12 rotate through connecting rod 65 for carriage 62, two diaphragms 12 deviate from one end each other and are close to, buckle diaphragm 12, it has the clearance to ensure to bend between every two adjacent flat pipes after accomplishing, after the completion of bending, third motor 61 drives two carriages 62 and keeps away from each other, and power unit 2 drives dull and stereotyped 11 and moves down, accomplish the resetting of diaphragm 12.

Referring to fig. 1, 2 and 3, four corners of the flat plate 11 are respectively connected with a flat slide bar 25 through linear bearings, one end of the flat slide bar 25 is fixedly connected with the top of the frame body 1, and the other end of the flat slide bar 25 is fixedly connected with the bottom of the frame body 1. The flat plate 11 can move up and down more stably in the frame body 1 through the arrangement of the flat slide rod 25.

After the flat pipe is pre-bent, the included angle between the sunken part of the flat pipe and the vertical plane ranges from 25 degrees to 35 degrees. The setting of bending angle in advance sets up to between 25 degrees to 35 degrees, and bending angle in advance is in this within range, ensures that the board subassembly that leads to a little bends the back, has the clearance between every two adjacent flat pipes, also ensures that flat pipe and the board subassembly that leads to a little one side that the direction of bending deviates from mutually can not break, ensures off-the-shelf qualification rate, and bending angle in advance is the 30 degrees best.

Referring to fig. 8 and 9, the bottom of the frame body 1 is further provided with a translation mechanism 7, and the translation mechanism 7 is used for driving the two transverse plates 12 to move away from or close to each other in a horizontal plane. Translation mechanism 7 includes fourth motor 71 and two support frames 72, support frame 72 and diaphragm 12 one-to-one, diaphragm 12 articulates on support frame 72, frame body 1 bottom fixedly connected with mount 73, fourth motor 71 fixed connection is on mount 73, sliding connection between support frame 72 and the mount 73, the output end fixedly connected with third gear 74 of fourth motor 71, be fixedly connected with third rack 75 on the support frame 72 respectively, fourth motor 71 drives two support frames 72 through third gear 74 and third rack 75 and keeps away from each other or be close to. The translation mechanism 7 works after the bending mechanism bends the micro-through plate assemblies, so that the two bent micro-through plate assemblies are close to each other in the horizontal plane direction, the two ends of the flat pipes are close to each other, and the gap between every two adjacent flat pipes is increased.

The working principle is as follows: when the micro-through plate assembly is clamped, the micro-through plate assembly is placed on two transverse plates 12, a first motor 41 is started to drive a first gear 42 to rotate, the first gear 42 drives two pressing plates 312 to mutually approach through meshing with a first rack 43, so that two fixing plates 315 are respectively positioned above the two micro-through plate assemblies, then an air cylinder 314 drives the pressing plates 312 to move downwards to clamp the micro-through plate assembly between the pressing plates 312 and the transverse plates 12, then a power mechanism 2 drives a flat plate 11 to move downwards to enable a roller 55 to press a flat tube, then a second motor 51 is started to drive a screw 53 to rotate to enable a connecting block 54 to move once along the width direction of the micro-through plate assembly, so that the pre-bending of the flat tube is completed, the included angle range between the flat tube and a vertical plane is 25-35 degrees, when a deformation mechanism 5 pre-bends the flat tube, the power mechanism 2 drives the flat plate 11 to move downwards, at this moment, third motor 61 in slewing mechanism 6 starts, it is close to each other to drive two carriage 62 through second gear 63 and second rack 64, in order to ensure that diaphragm 12 does not take place to warp, when slewing mechanism 6 bends little logical board subassembly, power unit 2 drives dull and stereotyped 11 and moves upwards, carriage 62's position is unchangeable, it makes two diaphragm 12 rotate to make carriage 62 pass through connecting rod 65, two diaphragm 12 deviate from one end each other and are close to each other, buckle diaphragm 12, it has the clearance to ensure to bend between every two adjacent flat pipes after accomplishing.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. Little logical board bender, including frame body (1), its characterized in that: a placing platform and a flat plate (11) are arranged in the frame body (1), the flat plate (11) is positioned above the platform, a power mechanism (2) for driving the flat plate (11) to move up and down is arranged on the frame body (1), a clamping mechanism (3) for clamping the micro through plate assembly on the placing platform is arranged on the placing platform, the clamping mechanism (3) comprises a clamping part (31), a moving assembly (4) for driving the clamping mechanism (3) to move along the length direction of the micro through plate assembly is also arranged on the placing platform, a deformation mechanism (5) for pre-bending the flat pipe is arranged at the bottom of the flat plate (11) so as to enable the top of the flat pipe to form a recess, the placing platform comprises two transverse plates (12), the clamping parts (31) are respectively arranged below the two transverse plates (12), and the opposite ends of the two transverse plates (12) are respectively hinged with the frame body (1), the flat plate (11) is provided with a rotating mechanism (6) which is used for driving the two transverse plates (12) to synchronously rotate so as to enable one ends of the two transverse plates (12) which deviate from each other to be close to or far away from each other.

2. Micro-passing plate bending machine according to claim 1, characterized in that: power unit (2) include servo motor (21) and lead screw (22), lead screw (22) pass through linear bearing with dull and stereotyped (11) are connected, dull and stereotyped (11) relative both sides are provided with respectively lead screw (22), the one end of lead screw (22) with frame body (1) bottom is rotated and is connected, the other end of lead screw (22) runs through frame body (1) top surface to the first drive wheel of fixedly connected with (23), servo motor (21) fixed connection be in frame body (1) top, and the output fixedly connected with second drive wheel (24) of servo motor (21), first drive wheel (23) and two carry out the transmission through driving belt between second drive wheel (24).

3. Micro-passing plate bending machine according to claim 2, characterized in that: four corners of flat board (11) are connected with flat slide bar (25) through linear bearing respectively, the one end of flat slide bar (25) with the top fixed connection of frame body (1), the other end of flat slide bar (25) with the bottom fixed connection of frame body (1).

4. Micro-passing plate bending machine according to claim 1, characterized in that: the clamping portion (31) comprises a through groove (311), a pressing plate (312), a sliding plate (313) and an air cylinder (314), the through groove (311) is respectively arranged on the two sides of the transverse plate (12) in the length direction of the micro through plate assembly, fixing plates (315) are respectively and fixedly connected to the two ends of the pressing plate (312), the fixing plates (315) penetrate through the through groove (311) and are fixedly connected with the output end of the air cylinder (314), the air cylinder (314) drives the pressing plate (312) to move up and down, the sliding plate (313) is slidably connected to the bottom of the transverse plate (12), and the sliding plate (313) is fixedly connected with the air cylinder (314).

5. Micro-passing plate bending machine according to claim 4, characterized in that: the moving assembly (4) comprises a first motor (41) and a first gear (42), the first motor (41) is fixedly connected to the sliding plate (313), an output shaft of the first motor (41) is fixedly connected to the first gear (42), a first rack (43) is fixedly connected to the bottom of the transverse plate (12), and the first rack (43) is meshed with the first gear (42).

6. Micro-passing plate bending machine according to claim 1, characterized in that: deformation mechanism (5) include second motor (51) and support (52), support (52) fixed connection be in dull and stereotyped (11) bottom, second motor (51) fixed connection be in on support (52), output fixedly connected with screw rod (53) of second motor (51), threaded connection has connecting block (54) on screw rod (53), connecting block (54) top with support (52) sliding connection, second motor (51) drive connecting block (54) remove along little logical board subassembly width direction, connecting block (54) bottom is rotated and is connected with gyro wheel (55).

7. Micro-passing plate bending machine according to claim 6, characterized in that: after the flat pipe is pre-bent, the included angle between the sunken part of the flat pipe and the vertical plane ranges from 25 degrees to 35 degrees.

8. Micro-passing plate bending machine according to claim 1, characterized in that: slewing mechanism (6) include third motor (61) and two carriage (62), output fixed connection second gear (63) of third motor (61), carriage (62) sliding connection be in on dull and stereotyped (11), two respectively fixedly connected with second rack (64) on carriage (62), third motor (61) pass through second gear (63) with second rack (64) drive two carriage (62) are kept away from each other or are close to, carriage (62) with diaphragm (12) one-to-one, and carriage (62) with it has connecting rod (65) to articulate between diaphragm (12).

9. A microthread bender according to any of claims 1-8, characterised in that: the frame body (1) bottom still is provided with translation mechanism (7), translation mechanism (7) are used for driving two diaphragm (12) keep away from each other or are close to on the horizontal plane.

10. Micro-passing plate bending machine according to claim 9, characterized in that: translation mechanism (7) include fourth motor (71) and two support frames (72), support frame (72) with diaphragm (12) one-to-one, diaphragm (12) articulate on support frame (72), frame body (1) bottom fixedly connected with mount (73), fourth motor (71) fixed connection be in on mount (73), support frame (72) with sliding connection between mount (73), the output fixedly connected with third gear (74) of fourth motor (71), on support frame (72) respectively fixedly connected with third rack (75), fourth motor (71) pass through third gear (74) with third rack (75) drive two support frame (72) are kept away from each other or are close to.