CN217964226U - Processing device for flat pipe of heat exchanger - Google Patents

Abstract

The utility model provides a processingequipment for flat pipe of heat exchanger belongs to the machine-building field. The processing device comprises a base, a lifting mechanism and a rolling mechanism; the base has the processing die cavity, the processing die cavity has relative arrangement's first lateral wall and second lateral wall, elevating system includes lift drive subassembly and lift platform, lift drive subassembly respectively with the base lift platform connects, is used for the drive lift platform is located the processing die cavity is intracavity or keeps away from the processing die cavity, lift platform have with first side that first lateral wall corresponds and with the second side that the second lateral wall corresponds, work as lift platform is located the processing die cavity, roll-pressing mechanism with the pedestal connection just is located one side of lift platform, some structures of roll-pressing mechanism are movably located on the base. This openly can process out the flat pipe that has the bending segment through this processingequipment.

Description

Processing device for flat pipe of heat exchanger

Technical Field

The utility model belongs to the field of machine-building, in particular to a processingequipment for flat pipe of heat exchanger.

Background

The heat exchanger is a common heat exchange device and mainly comprises a flat tube assembly, a first collecting pipe, a second collecting pipe and a plurality of fins. Wherein, in order to increase the radiating effect of flat pipe assembly, flat pipe assembly includes the axis direction array's of following first pressure manifold a plurality of flat pipes. All be provided with the fin between two arbitrary adjacent flat pipes to carry out the heat transfer to the coolant liquid of circulating in the flat pipe.

There is a flat pipe of buckling among the related art, this flat pipe of buckling includes first flat pipe section, second flat pipe section and the linkage segment of buckling. The first flat pipe section and the second flat pipe section are communicated with two ends of the bending connecting section respectively, the other end of the first flat pipe section is communicated with the first collecting pipe, the other end of the second flat pipe section is communicated with the second collecting pipe, and the first flat pipe section and the second flat pipe section are parallel to each other and are folded to the same side of the bending connecting section.

The flat pipe is generally made of a linear steel pipe with a flat cross section, and when the flat pipe has a bending connecting section, the flat pipe is difficult to machine and form.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a processing device for a flat pipe component of a heat exchanger, which can process a flat pipe with a bending section. The technical scheme is as follows:

the embodiment of the disclosure provides a processing device for processing a flat pipe component of a heat exchanger, which comprises a base, a lifting mechanism and a rolling mechanism; the base is provided with a processing cavity, the processing cavity is provided with a first side wall and a second side wall which are oppositely arranged, and a plane where the first side wall is located is intersected with a plane where the second side wall is located; the lifting mechanism comprises a lifting driving assembly and a lifting platform, the lifting driving assembly is respectively connected with the base and the lifting platform and is used for driving the lifting platform to move into the processing cavity or move out of the processing cavity, the lifting platform is movably positioned in the processing cavity, the moving direction of the lifting platform is parallel to the plane where the first side wall is positioned and the plane where the second side wall is positioned, the lifting platform is provided with a first side surface corresponding to the first side wall and a second side surface corresponding to the second side wall, when the lifting platform is positioned in the processing cavity, the first side wall is opposite to the first side surface, and the second side wall is opposite to the second side surface; the rolling mechanism is connected with the base and located on one side of the lifting platform, a part of structure of the rolling mechanism is movably located on the base, and the moving direction of the part of structure of the rolling mechanism is perpendicular to the moving direction of the lifting platform and passes through the processing cavity.

In yet another implementation of the present disclosure, the first and second sidewalls are symmetrically arranged; the lifting platform comprises an isosceles triangular table and a trapezoidal table, the bottom edge of the isosceles triangular table is connected with the top edge of the trapezoidal table, and the two side waists of the triangular table correspond to the first side wall and the second side wall respectively.

In another implementation manner of the present disclosure, the trapezoid table has a guide hole, and a direction of a center of the guide hole along an axis is the same as a moving direction of the lifting platform; the base is provided with a guide rod, the first end of the guide rod is connected with the base, and the second end of the guide rod is positioned in the guide hole.

In another implementation manner of the present disclosure, the flat tube includes a first flat tube section, a second flat tube section and a bending connection section, the first flat tube section and the second flat tube section are respectively communicated with two ends of the bending connection section, and the first flat tube section and the second flat tube section are parallel to each other and folded to the same side of the bending connection section; the lifting platform further comprises a limiting block, the limiting block is connected with the trapezoid table, and the limiting block is located between the first flat pipe section and the second flat pipe section and is abutted to the first flat pipe section and the second flat pipe section respectively.

In yet another implementation of the present disclosure, the roller press mechanism includes a first pressing assembly and a second pressing assembly; the first pressing assembly and the second pressing assembly are located on one side of the base and located on two sides of the machining cavity, and the first pressing assembly and the second pressing assembly are identical in structure; the first pressing assembly comprises a pressing cylinder, a driving rod and a pressing driving structure, the pressing cylinder is connected with the first end of the driving rod, the pressing driving structure is connected with the second end of the driving rod to drive the driving rod to move along the axis of the driving rod, and the first end of the driving rod faces the machining cavity; the pressing driving structure is connected with the base.

In yet another implementation of the present disclosure, the compression drive structure includes a compression seat, a first link, a second link, and a third link; the first end of the first connecting rod is hinged with the pressing seat, the second end of the first connecting rod is connected with the first end of the second connecting rod, the first end of the third connecting rod is connected with the first end of the second connecting rod, the second end of the third connecting rod is hinged with the pressing cylinder driving rod, and the hinged shafts of the first connecting rod and the pressing seat are parallel to the hinged shaft of the third connecting rod and the pressing cylinder driving rod and are both vertical to the moving direction of the lifting platform; the pressing seat is connected with the base.

In yet another implementation of the present disclosure, the first and second hold-down assemblies are symmetrically arranged, and a plane of symmetry of the first and second hold-down assemblies is coplanar with a plane of symmetry of the first and second sidewalls.

In yet another implementation of the present disclosure, the roller press mechanism further comprises a third pressing assembly located between the first pressing assembly and the second pressing assembly; the third pressing assembly comprises a roller structure and a rolling driving structure, the rolling driving structure is connected with the roller structure to drive the roller structure to move relative to the base, the moving direction of the roller structure is vertical to the moving direction of the lifting platform, and part of the moving path of the roller structure is positioned on the processing cavity; the rolling driving structure is connected with the base.

In another implementation manner of the present disclosure, the base includes a working platform and a guiding column, the guiding column is connected to the first table top of the working platform, an axis of the guiding column is located in a symmetry plane of the first side wall and the second side wall, and the guiding column is spaced apart from the limiting block along an axis of the guiding column and is located on the same straight line.

In another implementation manner of the present disclosure, the working platform is provided with a flat tube limiting groove, the flat tube limiting groove is located on the first table top, the flat tube limiting groove is communicated with the processing cavity, the flat tube limiting groove is a long-strip groove, and the length direction of the flat tube limiting groove is perpendicular to the guide post.

The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:

when processing flat pipe, the processingequipment who provides through this disclosure embodiment can arrange the middle part of waiting the flat pipe of processing in the base earlier, and is located the top of processing die cavity, then moves towards the processing die cavity through lift drive assembly drive lift platform, until moving to the processing die cavity in. The part of the flat pipe to be processed above the processing cavity moves in the processing cavity along with the lifting platform, and the part between the first side wall and the first side surface and the part between the second side wall and the second side surface are bent relative to the part above the processing cavity. And then, controlling the rolling mechanism to enable a part of structure of the rolling mechanism to move towards the processing cavity and pass through the processing cavity, and flattening the bent part of the rolling mechanism in the moving process to enable the flat pipe to be processed to be the required flat pipe with the bending section, so that the actual requirement is met.

That is to say, this processing device that this disclosed embodiment provided can be simple process out the flat pipe that has the bending segment.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural view of a flat tube provided in an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a processing device provided in an embodiment of the present disclosure;

FIG. 3 is an exploded view of a first portion of a processing device according to an embodiment of the present disclosure;

FIG. 4 is an exploded view of a second portion of a tooling device provided in accordance with an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a lifting platform provided in the embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of another view angle of a processing apparatus according to an embodiment of the disclosure;

FIG. 7 is a schematic structural diagram of a portion of a base provided by an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a first pressing assembly provided in an embodiment of the present disclosure.

The symbols in the drawings represent the following meanings:

1. a base; 10. processing a cavity; 101. a first side wall; 102. a second side wall; 11. a working platform; 111. flat tube spacing grooves; 112. mounting grooves; 12. a guide post; 13. a pillar; 14. a base plate; 15. extruding the block; 151. an accommodation hole;

2. a lifting mechanism; 21. a lift drive assembly; 211. a drive nut; 2111. a semi-ring fixing member; 2112. a threaded sleeve; 212. a drive screw; 2121. an outer flange; 213. driving a hand wheel; 22. a lifting platform; 201. a first side; 202. a second side surface; 221. an isosceles triangular table; 222. a trapezoidal table; 2221. a guide hole; 223. a limiting block;

3. a rolling mechanism; 31. a first hold-down assembly; 311. pressing the cylinder; 312. a drive rod; 313. a compression drive structure; 3131. a pressing seat; 3132. a first link; 3133. a second link; 3134. a third link; 32. a second hold-down assembly; 33. a third hold down assembly; 331. a roller structure; 3311. rolling cylinders; 3312. rolling the connecting seat; 332. a rolling driving structure; 3321. a first rolling connecting rod; 3322. a second rolling connecting rod; 3323. a rolling driving seat; 3324. a drum drive rod; 4. a guide rod;

100. flat tubes; 110. a first flat tube section; 120. a second flat tube section; 130. and bending the connecting section.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

In this embodiment, in order to clearly illustrate the processing device for the flat tube component of the heat exchanger, a structure of the processed flat tube is described first.

As shown in fig. 1, the bent flat tube 100 includes a first flat tube segment 110, a second flat tube segment 120, and a bent connecting segment 130. The first flat tube section 110 and the second flat tube section 120 are respectively communicated with two ends of the bending connection section 130, and the first flat tube section 110 and the second flat tube section 120 are parallel to each other and are folded to the same side of the bending connection section 130. The angle between the first flat tube segment 110 and the bent connecting segment 130 is the same as the angle between the second flat tube segment 120 and the bent connecting segment 130.

The embodiment of the disclosure provides a processing device for a flat pipe component of a heat exchanger, as shown in fig. 2, the processing device comprises a base 1, a lifting mechanism 2 and a rolling mechanism 3. The base 1 has a processing cavity 10, the processing cavity 10 has a first side wall 101 and a second side wall 102 which are oppositely arranged, and the plane of the first side wall 101 intersects the plane of the second side wall 102.

The lifting mechanism 2 comprises a lifting driving assembly 21 and a lifting platform 22, the lifting driving assembly 21 is respectively connected with the base 1 and the lifting platform 22 and is used for driving the lifting platform 22 to move into the processing cavity 10 or move out of the processing cavity 10, the lifting platform 22 is movably located in the processing cavity 10, and the moving direction of the lifting platform 22 is parallel to the plane where the first side wall 101 is located or the plane where the second side wall 102 is located.

Fig. 3 is an exploded view of a first partial structure of a processing apparatus provided in an embodiment of the present disclosure, and fig. 4 is an exploded view of a second partial structure of the processing apparatus provided in an embodiment of the present disclosure, and in conjunction with fig. 3 and 4, the lifting platform 22 has a first side surface 201 corresponding to the first side wall 101 and a second side surface 202 corresponding to the second side wall 102, and when the lifting platform 22 is located in the processing cavity 10, the first side wall 101 is opposite to the first side surface 201, and the second side wall 102 is opposite to the second side surface 202.

The rolling mechanism 3 is connected to the base 1 and located at one side of the lifting platform 22, a part of the structure of the rolling mechanism 3 is movably located on the base 1, and the moving direction of the part of the structure of the rolling mechanism 3 is perpendicular to the moving direction of the lifting platform 22 and passes through the processing cavity 10.

When processing flat pipe through the processingequipment that this disclosed embodiment provided, can arrange the middle part of waiting the flat pipe of processing in base 1 earlier, and be located the top of processing die cavity 10, then drive lift platform through lift drive assembly 21 and remove towards the processing die cavity, until removing the processing die cavity. The portion of the flat tube to be processed above the processing cavity 10 is bent with respect to the portion above the processing cavity 10 by the portion between the first side wall 101 and the first side surface 201 and the portion between the second side wall 102 and the second side surface 202 as the lifting platform 22 moves in the processing cavity 10. Then, the rolling mechanism 3 is controlled, so that a part of the structure of the rolling mechanism 3 moves towards the processing cavity 10 and passes through the processing cavity 10, the bent part can be flattened by the rolling mechanism 3 in the moving process, the flat pipe to be processed is the required flat pipe with the bending section, and the actual requirement is further met.

That is to say, this processing device that this disclosed embodiment provided can be simple process out the flat pipe that has the bending section.

Optionally, the first side wall 101 and the second side wall 102 are symmetrically arranged.

Fig. 5 is a schematic structural diagram of the lifting platform provided in the embodiment of the present disclosure, and with reference to fig. 5, the lifting platform 22 includes an isosceles triangle platform 221 and a trapezoid platform 222, a bottom side of the isosceles triangle platform 221 is connected to a top side of the trapezoid platform 222, and two side waists of the isosceles triangle platform 221 are the first side surface 201 and the second side surface 202, respectively.

In the above implementation manner, the first side wall 101 and the second side wall 102 are symmetrically arranged, and the like, so that the first side wall 101 and the second side wall 102 can be matched with the processing cavity 10 through two waist edges of the isosceles triangular table 221, so that the middle part of the flat pipe can be bent by using two opposite waist edges of the isosceles triangular table 221 as bending lines, and then two ends of the flat pipe to be processed can be symmetrically bent, and the same bending angle is ensured, thereby meeting the processing requirements of the flat pipe to be processed.

With continued reference to fig. 2 to 4, the lifting platform 22 further includes a limiting block 223, the limiting block 223 is connected to the trapezoid 222, and the limiting block 223 is located between the first flat pipe section 110 and the second flat pipe section 120 and is abutted against the first flat pipe section 110 and the second flat pipe section 120, respectively.

In the above implementation, the limiting block 223 is used to limit the first flat tube section 110 and the second flat tube section 120 of the flat tube, so that the first flat tube section 110 and the second flat tube section 120 do not overlap with each other, but are arranged in parallel at intervals.

Illustratively, the stop 223 is located at the line joining the center of the top edge and the center of the bottom edge of the trapezoidal shaped mesa 222. Therefore, the first flat pipe section 110 and the second flat pipe section 120 which are used for carrying out the flat pipes can be effectively ensured to be arranged in parallel.

Alternatively, the trapezoidal table 222 has a guide hole 2221, and a central axis of the guide hole 2221 is in the same direction as the moving direction of the lifting platform 22.

The base 1 has a guide rod 4 thereon, a first end of the guide rod 4 is connected to the base 1, and a second end of the guide rod 4 is located in the guide hole 2221.

In the above implementation manner, the guide holes 2221 are used for the matching of the guide rods 4, so that the lifting platform 22 can smoothly move along the axial direction of the guide rods 4 when moving, and the influence on the processing of the flat pipes due to the deviation of the lifting platform 22 is prevented.

Illustratively, the number of the guide bars 4 may be two, and the two guide bars 4 are symmetrically arranged at two bottom corners of the trapezoidal table 222. Therefore, the guiding effect of the guide rods 4 on the lifting platform 22 can be further improved through the number of the guide rods 4, and meanwhile, the two guide rods 4 are symmetrically arranged at the two bottom corners of the trapezoidal table 222, so that the connection of other components can not be influenced.

Fig. 6 is a schematic structural view of another view angle of the processing apparatus according to the embodiment of the disclosure, and referring to fig. 6, the lifting driving assembly 21 includes a driving nut 211 and a driving screw 212, the driving screw 212 is in threaded connection with the driving nut 211, and one end of the driving screw 212 facing the lifting platform 22 is rotatably connected with the lifting platform 22, and the driving nut 211 is connected with the base 1.

In the above implementation, the driving screw 212 is used to cooperate with the driving nut 211 to enable the driving screw 212 to move along its axis, thereby enabling the lifting platform 22 to be lifted.

In this embodiment, in order to enable the driving screw 212 to drive the lifting platform 22 to lift when rotating, an outer wall of one end of the driving screw 212 facing the lifting platform 22 has an outer flange 2121 (see fig. 4). The lifting platform 22 has an annular groove in the middle of a side surface facing the outer flange 2121, the outer flange 2121 is rotatably located in the annular groove of the lifting platform 22, and along the axial direction of the driving screw 212, two opposite sides of the outer flange 2121 are attached to the groove wall of the annular groove.

Thus, when the lifting platform 22 is lifted, the driving screw 212 is controlled to rotate forward, so that the driving screw 212 rotates and lifts relative to the driving nut 211, and the lifting platform 22 is pushed to lift.

When the elevating platform 22 descends, the driving screw 212 is controlled to rotate reversely, so that the driving screw 212 descends relative to the driving nut 211, and the elevating platform 22 is pulled by the outer flange 2121 to descend.

To achieve the fastening of the drive nut 211 to the work platform 11, the drive nut 211 may include a half-ring fastener 2111 and a threaded sleeve 2112, the half-ring fastener 2111 being connected to the threaded sleeve 2112, and the half-ring fastener 2111 being connected to the work platform 11, the threaded sleeve 2112 being threadedly received on the drive screw 212.

Optionally, the lifting drive assembly 21 further comprises a driving handwheel 213, and the driving handwheel 213 is connected to an end of the driving screw 212 far away from the lifting platform 22.

In the above implementation, the driving handwheel 213 is used to operate the driving screw 212 so that the driving screw 212 can be lifted.

Referring again to fig. 2-4, optionally, the base 1 includes a work platform 11 and a guide post 12, the work platform 11 having opposing first and second decks. The guide post 12 is connected with the first table top of the working platform 11, the axis of the guide post 12 is located in the symmetrical plane of the first side wall 101 and the second side wall 102, and the guide post 12 is arranged at an interval with the limiting block 223 along the axis direction and is located on the same straight line.

The lifting driving assembly 21 is connected with the second table surface of the working platform 11, the lifting platform 22 and the rolling mechanism 3 are both connected with the first table surface of the working platform 11, and the opening of the processing cavity 10 is positioned in the first table surface of the working platform 11.

In the above implementation, the working platform 11 is used for connecting with the lifting mechanism 2 and the rolling mechanism 3. The guide posts 12 are adapted to cooperate with the stop blocks 223 to further stop the first and second flat tube sections 110, 120 of the flat tubes such that the first and second flat tube sections 110, 120 do not overlap each other, but are spaced apart from each other and arranged in parallel.

Optionally, the working platform 11 is provided with a flat tube limiting groove 111, the flat tube limiting groove 111 is located on the first table top, and the flat tube limiting groove 111 is communicated with the processing cavity 10,

the flat tube limiting groove 111 is a long-strip groove, and the length direction of the flat tube limiting groove 111 is perpendicular to the guide post 12

Flat pipe spacing groove 111 is used for placing the flat pipe of treating the processing for flat pipe can the joint on work platform 11, conveniently buckles.

Optionally, the base 1 further comprises a plurality of posts 13 and a bottom plate 14, the plurality of posts 13 being connected to the second surface of the work platform 11 at intervals. The base plate 14 is connected to the plurality of columns 13, and the base plate 14 and the work platform 11 are parallel to each other.

In the above implementation, the support column 13 is used for supporting the working platform 11, and the bottom plate 14 is used for further increasing the connection stability of the support column 13.

In addition, in order to facilitate the installation of the rolling mechanism 3 and the like on the working platform 11, the working platform 11 further has an installation groove 112, the installation groove 112 is on the first platform surface, the installation groove 112 is a long groove, the length direction of the installation groove 112 is perpendicular to the guide post 12, and the installation groove 112 is located on one side of the flat tube limiting groove 111 away from the guide post 12.

The mounting groove 112 is used for accommodating a part of the structure of the rolling mechanism 3, so that the rolling mechanism 3 is conveniently connected with the working platform 11.

Optionally, the middle of the working platform 11 has a square through hole, and the through hole penetrates through the first table top and the second table top of the working platform 11.

Fig. 7 is a schematic structural diagram of a portion of a base provided in an embodiment of the present disclosure, and in combination with fig. 7, the base 1 further includes a pressing block 15, and the pressing block 15 is located in the through hole and connected to the working platform 11.

The middle of the extrusion block 15 forms the processing cavity 10, and the middle of the extrusion block 15 has a receiving hole 151 that receives the half-ring fixture 2111 of the driving nut 211.

The arrangement of the extrusion block 15 can facilitate the formation of the processing cavity 10, and simultaneously, the connection between the working platform 11 and the half-ring fixing piece 2111 of the driving nut 211 can be realized.

Referring again to fig. 2 and 3, optionally, the rolling mechanism 3 includes a first pressing assembly 31 and a second pressing assembly 32, the first pressing assembly 31 and the second pressing assembly 32 are both located on one side of the base 1 and on both sides of the processing cavity 10, and the first pressing assembly 31 and the second pressing assembly 32 are identical in structure.

The first pressing assembly 31 includes a pressing cylinder 311, a pressing cylinder driving rod 312 and a pressing driving structure 313, the pressing cylinder 311 is connected to a first end of the pressing cylinder driving rod 312, and the pressing driving structure 313 is connected to a second end of the pressing cylinder driving rod 312 to drive the pressing cylinder driving rod 312 to move along its axis. The first end of the platen drive lever 312 faces the process cavity 10. The pressing drive structure 313 is connected to the base 1.

In the above implementation manner, the first pressing component 31 and the second pressing component 32 are used for flattening two ends of the bent flat pipe, so that the two ends of the flat pipe are bent relative to the middle part. The pressing cylinder 311 is used for pressing the flat tube, the pressing cylinder driving rod 312 is used for moving along the axis of the pressing cylinder driving rod 312, and the pressing driving structure 313 is used for driving the pressing cylinder driving rod 312 to move towards the bent flat tube.

Fig. 8 is a schematic structural diagram of a first pressing assembly provided in an embodiment of the present disclosure, and in conjunction with fig. 8, an exemplary pressing driving structure 313 includes a pressing base 3131, a first link 3132, a second link 3133, and a third link 3134. A first end of the first link 3132 is hinged to the pressing base 3131, a second end of the first link 3132 is connected to a first end of the second link 3133, and a second end of the second link 3133 is a force-bearing end. A first end of the third link 3134 is connected to a first end of the second link 3133, a second end of the third link 3134 is hinged to the cylinder pressing driving lever 312, and hinge axes of the first link 3132 and the pressing base 3131 are parallel to hinge axes of the third link 3134 and the cylinder pressing driving lever 312, and are perpendicular to a moving direction of the lifting platform 22. The pressing base 3131 is connected to the base 1.

In the above implementation manner, the pressing driving structure 313 is configured as the above link structure, such that the first link 3132 and the second link 3133 can rotate about the hinge axis a in fig. 8 by rotating the second link 3133, so that the first link 3132 and the second link 3133 can rotate about the hinge axis b, and the third link 3134 can push the pressing cylinder driving rod 312 to move toward the processing cavity 10 or pull the pressing cylinder driving rod 312 to move away from the processing cavity 10 during the rotation process, thereby pressing the first flat pipe segment 110 and the second flat pipe segment 120 of the flat pipe or retracting the pressing cylinder driving rod 312.

And the pressing base 3131 serves to provide a mounting base for the first link 3132 and the like.

Of course, the pressing driving structure 313 may be other structures, such as an oil cylinder, a motor, etc.

Optionally, the first pressing assembly 31 and the second pressing assembly 32 are symmetrically arranged, and the symmetry plane of the first pressing assembly 31 and the second pressing assembly 32 is the same as the symmetry plane of the first side wall 101 and the second side wall 102.

In the above implementation manner, the above arrangement may make it more convenient for the first compressing assembly 31 and the second compressing assembly 32 to be connected to the base 1, and at the same time, the first flat pipe segment 110 and the second flat pipe segment 120 of the flat pipes may be quickly flattened.

Optionally, the rolling mechanism 3 further comprises a third pressing assembly 33, and the third pressing assembly 33 is located between the first pressing assembly 31 and the second pressing assembly 32.

The third pressing assembly 33 includes a roller structure 331 and a rolling driving structure 332, the rolling driving structure 332 is connected to the roller structure 331 to drive the roller structure 331 to move relative to the base 1, the moving direction of the roller structure 331 is perpendicular to the moving direction of the lifting platform 22, and a part of the moving path of the roller structure 331 is located on the processing cavity 10. The roll driving structure 332 is connected to the base 1.

In the above implementation, the third pressing component 33 is used to further flatten two sides of the bending connecting section 130 of the flat tube, so that two sides of the bending connecting section 130 are located at the same horizontal plane. The roller structure 331 is used for compressing the bending connection section 130, and the rolling driving structure 332 is used for driving the roller structure 331 to move.

Optionally, the roller structure 331 includes a roller press 3311 and a roller press attachment base 3312. The rolling connecting seat 3312 is of a U-shaped structure, and the rolling cylinder 3311 is rotatably connected to a U-shaped cavity of the rolling connecting seat 3312. The axial direction of the rolling cylinder 3311 is perpendicular to the moving direction of the rolling connection holder 3312. The rolling driving structure 332 is connected to the outer sidewall of the rolling connecting base 3312 for driving the rolling connecting base 3312 to move.

In the above implementation, the rolling connecting seat 3312 is used to connect with the rolling driving structure 332 to drive the rolling cylinder 3311 to move. The roller 3311 is used to press the bent connecting section 130 of the flat tube.

Illustratively, the roll drive structure 332 is similar to the compression drive structure 313 described above in the first compression assembly 31. The rolling drive structure 332 is also a link structure, and the rolling drive structure 332 includes a first rolling link 3321, a second rolling link 3322, a rolling drive seat 3323, and a roller drive rod 3324. The middle portion of the first roll link 3321 has a bend angle. A first end of the first roll link 3321 is hinged to the roll driving seat 3323 (wherein the hinge axis is the axis c in fig. 2 or 3), a middle portion of the first roll link 3321 is connected to a first end of the second roll link 3322, and a second end of the second roll link 3322 is hinged to the drum driving rod 3324 (the hinge axis is the axis d in fig. 2 or 3). The hinged shafts of the first rolling connecting rod 3321 and the second rolling connecting rod 3322 are parallel to the hinged shaft of the second rolling connecting rod 3322 and the roller driving rod 3324, and are both vertical to the moving direction of the lifting platform 22. The rolling driving seat 3323 is connected with the base 1.

Since the rolling drive mechanism 332 is similar to the pressing drive mechanism 313 of the first pressing assembly 31, detailed description thereof is omitted.

The above enables the movement of the roll connecting base 3312 by manually operating the roll driving structure 332 of the link structure. Of course, the rolling drive mechanism 332 may be other structures, such as a cylinder.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims (10)

1. The processing device for the flat tube of the heat exchanger is characterized by comprising a base (1), a lifting mechanism (2) and a rolling mechanism (3);

the base (1) is provided with a processing cavity (10), the processing cavity (10) is provided with a first side wall (101) and a second side wall (102) which are oppositely arranged, and the plane of the first side wall (101) is intersected with the plane of the second side wall (102);

the lifting mechanism (2) comprises a lifting driving component (21) and a lifting platform (22), the lifting driving component (21) is respectively connected with the base (1) and the lifting platform (22) and is used for driving the lifting platform (22) to move into the processing cavity (10) or move out of the processing cavity (10), the moving direction of the lifting platform (22) is parallel to the plane of the first side wall (101) and the plane of the second side wall (102), the lifting platform (22) is provided with a first side surface (201) corresponding to the first side wall (101) and a second side surface (202) corresponding to the second side wall (102), when the lifting platform (22) is located in the processing cavity (10), the first side wall (101) is opposite to the first side surface (201), and the second side wall (102) is opposite to the second side surface (202);

the rolling mechanism (3) is connected with the base (1) and located on one side of the lifting platform (22), a part of structure of the rolling mechanism (3) is movably located on the base (1), and the moving direction of the part of structure of the rolling mechanism (3) is perpendicular to that of the lifting platform (22) and passes through the processing cavity (10).

2. Machining device according to claim 1, characterized in that said first side wall (101) and said second side wall (102) are arranged symmetrically;

lift platform (22) include isosceles triangle platform (221) and trapezoidal platform (222), the base of isosceles triangle platform (221) with the topside of trapezoidal platform (222) is connected, the both sides waist of isosceles triangle platform (221) do respectively first side (201) and second side (202).

3. The processing device according to claim 2, characterized in that the trapezoidal table (222) has a guide hole (2221), and the central axis of the guide hole (2221) is in the same direction as the moving direction of the lifting platform (22);

the base (1) is provided with a guide rod (4), the first end of the guide rod (4) is connected with the base (1), and the second end of the guide rod (4) is positioned in the guide hole (2221).

4. The processing device according to claim 2, wherein the flat tube (100) comprises a first flat tube section (110), a second flat tube section (120) and a bent connecting section (130), the first flat tube section (110) and the second flat tube section (120) are respectively communicated with two ends of the bent connecting section (130), and the first flat tube section (110) and the second flat tube section (120) are parallel to each other and are folded to the same side of the bent connecting section (130);

the lifting platform (22) further comprises a limiting block (223), the limiting block (223) is connected with the trapezoidal platform (222), and the limiting block (223) is located between the first flat pipe section (110) and the second flat pipe section (120) and is abutted to the first flat pipe section (110) and the second flat pipe section (120) respectively.

5. The processing device according to any of claims 1 to 4, wherein the rolling mechanism (3) comprises a first pressing assembly (31) and a second pressing assembly (32);

the first pressing assembly (31) and the second pressing assembly (32) are positioned on one side of the base (1) and on two sides of the processing cavity (10), and the first pressing assembly (31) and the second pressing assembly (32) are identical in structure;

the first pressing assembly (31) comprises a pressing cylinder (311), a pressing cylinder driving rod (312) and a pressing driving structure (313), the pressing cylinder (311) is connected with a first end of the pressing cylinder driving rod (312), the pressing driving structure (313) is connected with a second end of the pressing cylinder driving rod (312) to drive the pressing cylinder driving rod (312) to move along the axis of the pressing cylinder driving rod, and the first end of the pressing cylinder driving rod (312) faces the processing cavity (10); the pressing driving structure (313) is connected with the base (1).

6. Machining device according to claim 5, characterized in that said pressing drive structure (313) comprises a pressing seat (3131), a first link (3132), a second link (3133) and a third link (3134);

a first end of the first link (3132) is hinged to the compressing base (3131), a second end of the first link (3132) is connected to a first end of the second link (3133), a first end of the third link (3134) is connected to a first end of the second link (3133), a second end of the third link (3134) is hinged to the cylinder driving lever (312),

the hinge shafts of the first connecting rod (3132) and the pressing seat (3131) are parallel to the hinge shafts of the third connecting rod (3134) and the pressing cylinder driving rod (312), and are both vertical to the moving direction of the lifting platform (22);

the pressing seat (3131) is connected with the base (1).

7. The machining device according to claim 5, characterized in that the first pressing assembly (31) and the second pressing assembly (32) are symmetrically arranged, and the symmetry plane of the first pressing assembly (31) and the second pressing assembly (32) is coplanar with the symmetry plane of the first side wall (101) and the second side wall (102).

8. The processing device according to claim 5, wherein the rolling mechanism (3) further comprises a third pressing assembly (33), the third pressing assembly (33) being located between the first pressing assembly (31) and the second pressing assembly (32);

the third pressing component (33) comprises a roller structure (331) and a rolling driving structure (332),

the rolling driving structure (332) is connected with the roller structure (331) to drive the roller structure (331) to move relative to the base (1), the moving direction of the roller structure (331) is perpendicular to the moving direction of the lifting platform (22), and the moving path part of the roller structure (331) is located on the processing cavity (10);

the rolling driving structure (332) is connected with the base (1).

9. Machining device according to claim 4, characterized in that the base (1) comprises a work platform (11) and a guide post (12),

the guide post (12) is connected with a first table top of the working platform (11), the axis of the guide post (12) is located in the symmetrical plane of the first side wall (101) and the second side wall (102), and the guide post (12) and the limiting block (223) are arranged at intervals along the axis direction and are located on the same straight line.

10. The processing device according to claim 9, characterized in that the working platform (11) is provided with a flat tube limiting groove (111), the flat tube limiting groove (111) is positioned on the first table surface, and the flat tube limiting groove (111) is communicated with the processing cavity (10),

the flat tube limiting groove (111) is a long-strip groove, and the length direction of the flat tube limiting groove (111) is perpendicular to the guide post (12).

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