CN117619995A - Metal honeycomb core fin forming device - Google Patents

Abstract

The invention provides a metal honeycomb core fin forming device which comprises a forming gear structure, an adjusting gear structure, a guide channel and a power source, wherein the forming gear structure comprises a driving shaft and a driven shaft which are arranged on a supporting frame, a first forming gear is fixed on the driving shaft, and a second forming gear matched with the first forming gear is fixed on the driven shaft; the adjusting gear structure comprises a differential gear and a driven adjusting gear which are meshed with each other, the differential gear is fixed on the driving shaft, and the driven adjusting gear is fixed on the driven shaft; the guide channel is arranged on the support frame and is positioned between the first forming gear and the second forming gear; the power source is connected with the driving shaft and used for driving the driving shaft to rotate. The forming device has the advantages of simple structure, easiness in realization, high forming precision and high consistency.

Description

Metal honeycomb core fin forming device

Technical Field

The invention relates to the technical field of processing and manufacturing of metal foil, in particular to a metal honeycomb core fin forming device.

Background

The metal honeycomb is a material similar to I-steel with the characteristic of hexagonal hole structure, has very high specific strength and specific rigidity and excellent heat insulation and sound insulation performance, and is widely applied to the fields of aviation, aerospace, high-speed trains and the like.

At present, the metal honeycomb core fin is processed and molded mainly by two modes of stamping and rolling, wherein the stamping mode has low efficiency and is extremely easy to break and tear when a foil is processed; the rolling mode, for example, chinese patent No. 102794352a discloses a processing device for rolling and forming a crawler chain, which drives the chain to roll through the rotation of a sprocket, each chain link is provided with a toothed bar, the toothed bars are engaged with and roll a metal foil to form, the device has a complex structure, and has the defects of high requirements on the processing precision of the sprocket, the chain and the toothed bars, difficult maintenance and high cost.

Therefore, there is a need for a metal honeycomb core fin forming device that is simple in structure, easy to implement, and low in cost.

Disclosure of Invention

In order to solve the technical problems of low efficiency, easy occurrence of fracture and tearing phenomena, high cost, difficult maintenance, low product precision and the like caused by complex device structure when a metal honeycomb core fin is processed in a traditional mode, the invention discloses a metal honeycomb core fin forming device, which comprises:

the forming gear structure comprises a driving shaft and a driven shaft which are arranged on a supporting frame, a first forming gear is fixed on the driving shaft, and a second forming gear matched with the first forming gear is fixed on the driven shaft;

the adjusting gear structure comprises a differential gear and a driven adjusting gear which are meshed with each other, the differential gear is fixed on the driving shaft, and the driven adjusting gear is fixed on the driven shaft;

a guide channel provided on the support frame, the guide channel being located between the first and second forming gears;

and the power source is connected with the driving shaft and used for driving the driving shaft to rotate.

The working principle of the forming device is as follows: the metal foil is led into the space between a first forming gear and a second forming gear of a forming gear structure with adjusted gaps from a guide channel, a power source drives a driving shaft to rotate, the first forming gear and a differential gear synchronously rotate, the differential gear drives a driven adjusting gear meshed with the differential gear to rotate, the driven adjusting gear drives a driven shaft to rotate during rotation, the second forming gear is further enabled to rotate, the metal foil is rolled and formed through synchronous rotation of the first forming gear and the second forming gear, and then the metal honeycomb core fins are led out from the guide channel. The design of adjusting gear structure can adjust and control the rotation clearance between first shaping gear and the second shaping gear, better assurance foil deformation's uniformity.

Further, the differential gear comprises an adjusting differential gear and a fixed differential gear, the adjusting differential gear and the fixed differential gear are both fixed on the driving shaft, the adjusting differential gear and the fixed differential gear are both meshed with the driven adjusting gear, and an adjusting screw is arranged on the fixed differential gear.

Further, the forming gear structure further comprises two support structures arranged on the support frame;

each supporting structure comprises an angular contact ball bearing supporting structure and a tapered roller bearing structure, and each angular contact ball bearing supporting structure and each tapered roller bearing structure of each supporting structure are respectively positioned at two ends of the driving shaft or the driven shaft.

Still further, angular contact ball bearing supporting structure with tapered roller bearing structure all includes bearing, bearing frame and two dustproof retaining rings, the bearing sets up in the bearing frame, dustproof retaining ring with the bearing is coaxial, and two dustproof retaining rings are located respectively the both sides of bearing frame.

Further, the molding device further includes:

the two forming gear clearance adjusting structures are respectively provided with a first adjusting cushion block, the first adjusting cushion blocks are arranged between the bearing seat of the driving shaft and the bearing seat of the driven shaft in the forming gear structure, and the forming gear clearance adjusting structures are used for adjusting the clearance between the first forming gear and the second forming gear.

Still further, each of the forming gear lash adjustment structures further includes a hold-down structure disposed on the support frame;

the pressing structure comprises a pressing block, a pressing cross beam, a pressing screw and a locking handle, wherein the pressing cross beam is fixed at the upper end of the supporting frame, a threaded hole through which the pressing screw passes is formed in the middle of the pressing cross beam, the locking handle is arranged at the upper end of the pressing screw, the lower end of the pressing screw is connected with the pressing block, and the pressing block is connected with the bearing seat.

Preferably, a hoisting beam is further arranged between the compression beams of the two forming gear gap adjusting structures, and the hoisting beam is fixed on the supporting frame through bolts.

Preferably, the pressing structure further comprises a second adjusting cushion block, and the second adjusting cushion block is arranged between the bearing seat of the driven shaft and the supporting frame.

Further, limiting check rings are respectively arranged on two sides of the first forming gear, the diameter of each limiting check ring is larger than that of the first forming gear, and each limiting check ring is located on the outer side of the guide channel.

Further, the power source comprises a gear motor, the gear motor is arranged on a gear motor base, the output end of the gear motor is connected with the driving shaft through a coupler, and the input end of the gear motor is connected with the servo motor.

Further, the supporting frame comprises a device bottom plate, vertical plates and channel supporting plates, two vertical plates which are parallel to each other are fixed on the device bottom plate, the forming gear structure is located between the two vertical plates, and each vertical plate is provided with the channel supporting plates for supporting the guide channels.

Compared with the prior art, the beneficial effects that above-mentioned at least one technical scheme that this description embodiment adopted can reach include at least:

1. the metal honeycomb core fin forming device has a simple structure and is easy to realize;

2. the differential gear and the driven adjusting gear which are meshed with each other in the adjusting gear structure realize high forming precision and high consistency of the metal honeycomb core;

3. the design of shaping gear clearance adjustment structure for forming device has adjustable structure, is convenient for adjust and control foil shaping effect, improves forming device's different shaping size's adaptability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a metal honeycomb core fin forming apparatus in accordance with an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a metal honeycomb core fin forming apparatus in accordance with an embodiment of the invention;

FIG. 3 is an exploded view of an adjusting gear structure according to an embodiment of the present invention;

FIG. 4 is an exploded view of a drive gear structure according to an embodiment of the present invention;

FIG. 5 is an exploded view of a driven gear structure according to an embodiment of the present invention;

FIG. 6 is an exploded view of a support structure for an angular contact ball bearing according to an embodiment of the present invention;

FIG. 7 is an exploded view of a tapered roller bearing structure in an embodiment of the invention;

FIG. 8 is an exploded view of a compression structure according to an embodiment of the present invention;

FIG. 9 is an exploded view of a power source in an embodiment of the invention;

FIG. 10 is a schematic view of a support frame according to an embodiment of the present invention;

FIG. 11 is a schematic view of a metal honeycomb core fin in an embodiment of the invention;

wherein, 1, a supporting frame; 20. a device base plate; 12. a positioning pin; 13. compressing the gasket; 14. a vertical plate; 15. a guide channel; 16. a channel support plate; 17. reinforcing the connecting plate; 18. a support column; 19. a connecting bottom plate; 2. a second adjusting cushion block; 3. a driving gear structure; 31. a driving shaft lock nut; 32. a drive shaft gear sleeve; 33. a limit retainer ring; 34. a first forming gear; 35. adjusting a gear flat key; 36. a driving shaft gear flat key; 37. a driving shaft; 4. adjusting the gear structure; 41. adjusting the differential gear; 42. an adjusting screw; 43. fixing a differential gear; 44. a gear positioning pin; 45. a gear base; 46. adjusting the positioning pin; 47. a gear lock nut; 48. a gear locking spacer; 49. a driven adjusting gear; 5. angular contact ball bearing support structure; 51. angular contact ball bearing dust-proof retainer ring; 52. double row angular contact ball bearings; 53. angular contact ball bearing base; 6. a first adjustment block; 7. adjusting the gear shaft sleeve; 8. a compacting structure; 81. a compression screw lock nut; 82. a compression screw locking gasket; 83. a compaction block; 84. compressing the cross beam; 85. hoisting the cross beam; 86. a compression screw; 87. a locking handle; 9. a driven gear structure; 91. a driven shaft lock nut; 92. a driven shaft gear sleeve; 93. a driven shaft; 94. a driven shaft gear flat key; 95. a second molded gear; 10. tapered roller bearing structure; 101. tapered roller bearing compresses tightly the gasket; 102. tapered roller bearings; 103. tapered roller bearing retainer ring; 104. tapered roller bearing base; 11. a power source; 111. a gear motor base; 112. a coupling; 113. a speed reducing motor; 114. a servo motor.

Detailed Description

Embodiments of the present application are described in detail below with reference to the accompanying drawings.

Other advantages and effects of the present application will become apparent to those skilled in the art from the present disclosure, when the following description of the embodiments is taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The embodiment of the invention provides a metal honeycomb core fin forming device, referring to fig. 1, the forming device comprises a supporting frame 1, a forming gear structure, an adjusting gear structure 4, a guide channel 15 and a power source 11, wherein the forming gear structure is arranged in the supporting frame 1, the adjusting gear structure 4 is arranged outside the supporting frame 1 after being connected with the forming gear structure, the guide channel 15 is arranged on the supporting frame 1, the power source 11 is arranged on a gear motor base 111 fixed on the supporting frame 1, and the power source 11 is connected with a driving shaft 37 of the forming gear structure.

The forming gear structure comprises a driving shaft 37 and a driven shaft 93 which are arranged on the supporting frame 1, wherein a first forming gear 34 is fixed on the driving shaft 37, and a second forming gear 95 matched with the first forming gear 34 is fixed on the driven shaft 93, as shown in fig. 2.

As shown in fig. 2 and 3, the adjusting gear structure 4 includes a differential gear and a driven adjusting gear 49 which are engaged with each other, the differential gear being fixed to the driving shaft 37, the driven adjusting gear 49 being fixed to the driven shaft 93 via an adjusting gear sleeve 7. The guide channel 15 is provided on the support frame 1, the guide channel 15 being located between the first and second profiled gears 34, 95. The power source 11 is connected with the driving shaft 37 and is used for driving the driving shaft 37 to rotate.

The working principle of the forming device is as follows: the metal foil is led from the guide channel 15 between the first forming gear 34 and the second forming gear 95 which enter the forming gear structure with adjusted gaps, the power source 11 drives the driving shaft 37 to rotate, the first forming gear 34 and the differential gear synchronously rotate, the differential gear drives the driven adjusting gear 49 meshed with the first forming gear 34 and the differential gear to rotate, the driven adjusting gear 49 drives the driven shaft 93 to rotate when rotating, the second forming gear 95 further rotates, the metal foil is rolled and formed through the synchronous rotation of the first forming gear 34 and the second forming gear 95 to obtain metal honeycomb core fins, the metal honeycomb core fins are led out through the guide channel 15, and the formed metal honeycomb core fins are shown in fig. 11. The design of the adjusting gear structure can adjust and control the rotation clearance between the first forming gear 34 and the second forming gear 95, and the foil deformation consistency is better ensured.

In specific implementation, referring to fig. 3, the differential gear includes an adjusting differential gear 41 and a fixed differential gear 43, the adjusting differential gear 41 and the fixed differential gear 43 are both fixed on the driving shaft 37, the adjusting differential gear 41 and the fixed differential gear 43 are both meshed with the driven adjusting gear 49, and the fixed differential gear 43 is provided with an adjusting screw 42. More specifically, the inner hole of the fixed differential gear 43 is engaged with the gear base 45, and both positions are fixed by the gear positioning pin 44. The inner hole of the adjustment differential gear 41 is engaged with the gear base 45 and is stacked under the fixed differential gear 43. The adjusting and positioning pin 46 sequentially passes through the gear base 45 and the fixed differential gear 43 from top to bottom and then is arranged in the positioning pin hole of the adjusting differential gear 41. The gear base 45 is provided with two threaded holes from top to bottom, the threaded holes are respectively communicated with adjusting screw holes formed in the fixed differential gear 43 and the driven adjusting gear 49 from left to right, the two adjusting screws are matched with the threaded holes in the gear base 45, the adjusting locating pin 46 arranged in the adjusting screw holes is screwed into the gear base 45 in a propped mode, and the relative positions of the gear base 45 and the adjusting differential gear 41 are changed by changing the screwing depth of the two adjusting screws 42 on the fixed differential gear 43 and the driven adjusting gear 49, and because the gear base 45 and the fixed differential gear 43 are fixed through the gear locating pin 44, the relative position relationship between the fixed differential gear 43 and the adjusting differential gear 41 is equivalent to synchronous adjustment. After the adjustment, the gear base 45 and the differential gear are locked by bolts, and are fixedly connected with the driving shaft 37 by a gear locking nut 47. The inner ring of the driven adjusting gear 49 is matched with the gear base 45, the positions of the inner ring and the gear base are determined by the gear positioning pin 44, the inner ring and the gear base are fixedly connected through bolts, and finally the driven adjusting gear is connected with the driven shaft 93 through bolts and the gear locking gaskets 48.

In specific implementation, the driving shaft 37, the first forming gear 34 and other components may form a driving gear structure 3, as shown in fig. 4, where the driving gear structure 3 includes a driving shaft lock nut 31, a driving shaft gear sleeve 32, a first forming gear 34 (i.e. a driving forming gear), an adjusting gear flat key 35, a driving shaft gear flat key 36 and a driving shaft 37.

In specific implementation, as shown in fig. 4, two sides of the first forming gear 34 are respectively provided with a limiting retainer ring 33, the diameter of the limiting retainer ring 33 is larger than that of the first forming gear 34, and the limiting retainer ring 33 is located outside the guiding channel 15. The limiting retainer ring 33 can be connected to the first forming gear 34 through bolts, and can also be formed by preparing extending baffle plates on two sides of the first forming gear 34 during processing, and the limiting retainer ring 33 has the function of limiting the left-right movement of the metal foil in the metal honeycomb core fin forming processing process, so that the metal foil is ensured to smoothly and straightly pass through a gap between the first forming gear 34 and the second forming gear 95. In operation, the first forming gear 34 is limited to rotate on the driving shaft 37 by the driving shaft gear flat key 36, and the driving shaft gear sleeve 32, the driving shaft shoulder (not shown in the drawing) and the driving shaft locking nut 31 on two sides are limited to move in the axial direction, so as to achieve the purpose of connecting the first forming gear 34 and the driving shaft 37. The left side of the driving shaft 37 is connected with the adjusting gear structure 4 through the adjusting gear flat key 35, and the right side is connected with the power source 11 through the coupler 112.

In specific implementation, the driven shaft 93, the second forming gear 95 and other components may form a driven gear structure 9, as shown in fig. 5, and the driven gear structure 9 is similar to the driving gear structure 3, and the difference between the two is that two sides of the second forming gear 95 are no longer provided with limiting retainers. The relative rotation of the second forming gear 95 on the driven shaft 93 is limited by a driven shaft gear flat key 94, and the relative movement of the second forming gear 95 in the axial direction is limited by a driven shaft gear sleeve 92 on two sides of the second forming gear 95, a shaft shoulder (not shown in the drawing) of the driven shaft 93 and a driven shaft locking nut 91, so that the purpose of connecting the second forming gear 95 with the driven shaft 93 is achieved, and the left side of the driven shaft 93 is connected with a driven adjusting gear 49 by a flat key.

In specific implementation, the forming gear structure further comprises two support structures arranged on the support frame 1. Wherein, referring to fig. 2, each of the support structures comprises an angular contact ball bearing support structure 5 and a tapered roller bearing structure 10, and the angular contact ball bearing support structure 5 and the tapered roller bearing structure 10 of each of the support structures are respectively positioned at two ends of the driving shaft 37 or the driven shaft 93.

Still further, the angular contact ball bearing supporting structure 5 and the tapered roller bearing structure 10 each comprise a bearing, a bearing seat and two dustproof check rings, the bearing is arranged in the bearing seat, the dustproof check rings are coaxial with the bearing, and the two dustproof check rings are respectively positioned on two sides of the bearing seat.

Specifically, referring to fig. 6, the angular ball bearing support structure 5 includes an angular ball bearing dust retainer 51, a double row angular ball bearing 52, and an angular ball bearing base 53. The inner ring of the double-row angular contact ball bearing 52 is installed in the angular contact ball bearing base 53, the two sides of the double-row angular contact ball bearing 52 are provided with the dustproof check rings 51 of the angular contact ball bearing, the dustproof check rings are connected with the angular contact ball bearing base 53 through bolts, and the inner ring of the double-row angular contact ball bearing 52 is fixed with the check rings of the differential gear (or the check rings of the driven adjusting gear 49) through the shaft shoulders of the driving shaft 37 (or the driven shaft 93). The purpose of the double row angular contact ball bearing 52 is to better withstand radial loads of the drive shaft 37 and the driven shaft 93, occupy less space and provide a highly rigid structure.

Referring to fig. 7, the tapered roller bearing structure 10 includes a tapered roller bearing pressing washer 101, two tapered roller bearings 102, a tapered roller bearing retainer 103, and a tapered roller bearing base 104. The outer ring of the tapered roller bearing 102 is mounted in the tapered roller bearing base 104 and is fixed by tapered roller bearing pressing gaskets 101 on both sides, and the tapered roller bearing pressing gaskets 101 are connected with the tapered roller bearing base 104 by bolts. The inner ring of the tapered roller bearing 102 is fixed with the retainer ring of the differential gear (or the retainer ring of the driven adjusting gear 49) through the shaft shoulder of the driving shaft 37 (or the driven shaft 93), and the two tapered roller bearings 102 are connected through the tapered roller bearing retainer ring 103. The tapered roller bearing 102 has the advantages that the tapered roller bearing 102 has extremely high precision, and the tapered roller bearing 102 can adapt to possible irregular movement in the device due to the inclination angle of the inner ring and the outer ring, so that noise and loss caused by friction and vibration are reduced, and the consistency of metal foil molding is greatly ensured.

In a modified embodiment, the forming device further comprises two forming gear lash adjustment structures for adjusting the lash between the first forming gear 34 and the second forming gear 95.

In specific implementation, referring to fig. 1 and 2, two forming gear gap adjusting structures are shown, each forming gear gap adjusting structure includes a first adjusting cushion block 6, the first adjusting cushion block 6 is disposed between a bearing seat of the driving shaft 37 and a bearing seat of the driven shaft 93 in the forming gear structure, and before operation, according to the size requirement of metal honeycomb core forming, the size of a gap between the first forming gear 34 and the second forming gear 95 is adjusted by replacing the first adjusting cushion blocks 6 with different sizes.

In particular, as shown in fig. 1 and 2, each of the forming gear gap adjustment structures further comprises a pressing structure 8, wherein the pressing structure 8 is arranged on the support frame 1.

Referring to fig. 8, the pressing structure 8 includes a pressing block 83, a pressing cross beam 84, a pressing screw 86 and a locking handle 87, wherein the pressing cross beam 84 is fixed at the upper end of the supporting frame 1, a threaded hole through which the pressing screw 86 passes is provided in the middle of the pressing cross beam 84, and the pressing cross beam 84 and the pressing cross beam are in threaded fit and are prevented from loosening by a locking nut; the upper end of the compression screw 86 is provided with the locking handle 87, the lower end of the compression screw 86 is connected with the compression block 83, and the compression block 83 is connected with the bearing seat (namely the angular contact ball bearing base 53 and the tapered roller bearing base 104) through the compression screw locking nut 81 and the compression screw locking gasket 82.

Preferably, as shown in fig. 8, a lifting beam 85 is further disposed between the compression beams 84 of the two forming gear gap adjusting structures, and the lifting beam 85 is fixed on the supporting frame 1 through bolts.

Preferably, referring to fig. 2, the pressing structure 8 further includes a second adjusting pad 2, and the second adjusting pad 2 is disposed between the bearing seat of the driven shaft 93 and the supporting frame 1.

In specific implementation, referring to fig. 9, the power source 11 includes a gear motor 113, the gear motor 113 is disposed on a gear motor base 111, an output end of the gear motor 113 is connected to the driving shaft 37 via a coupling 112, and an input end of the gear motor 113 is connected to a servo motor 114. In this embodiment, the coupling 112 may be a rigid coupling, the gear motor 113 may be a planetary gear reducer, and the gear motor base 111 is fixed to the device bottom plate 20 of the support frame 1 by bolts.

In specific implementation, referring to fig. 10, the support frame 1 includes a device bottom plate 20, vertical plates 14, and channel support plates 16, two vertical plates 14 parallel to each other are fixed on the device bottom plate 20, the forming gear structure is located between the two vertical plates 14, and each vertical plate 14 is provided with a channel support plate 16 for supporting the guide channel 15. In this embodiment, the device base plate 20 is a base plate of the entire molding device, and serves to support all structures. The two vertical plates 14 are connected with the two reinforcing connecting plates 17 by a connecting bottom plate 19 and two supporting columns 18. Corresponding positioning pin holes are formed among the vertical plate 14, the connecting bottom plate 19 and the reinforcing connecting plate 17, the positions of the vertical plate 14, the connecting bottom plate 19 and the reinforcing connecting plate 17 are determined through the positioning pins 12, and then the vertical plate is fixedly connected through bolts; the vertical plate 14 is connected with the supporting column 18 through bolts. The guide channels 15 are respectively connected with the channel support plates 16 through bolts, and are fixedly connected with the vertical plates 14 through bolts after the positions of the driving gear structure, the driven gear structure and the pressing structure 8 are determined by the positioning pins 12 and the vertical plates 14.

Referring to fig. 10, the support frame 1 further includes a pressing pad 13, where the pressing pad 13 is fixedly connected with the riser 14 through a bolt after the driving gear structure and the driven gear structure are installed, so as to fix the driving gear structure and the driven gear structure in the axial direction.

The embodiment of the invention realizes the following technical effects:

1. the metal honeycomb core fin forming device has a simple structure and is easy to realize;

2. the differential gear and the driven adjusting gear which are meshed with each other in the adjusting gear structure realize high forming precision and high consistency of the metal honeycomb core;

3. the design of shaping gear clearance adjustment structure for forming device has adjustable structure, is convenient for adjust and control foil shaping effect, improves forming device's different shaping size's adaptability.

It will be apparent to those skilled in the art that the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the invention, and that various modifications and variations can be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A metal honeycomb core fin forming device, characterized by comprising:

the forming gear structure comprises a driving shaft (37) and a driven shaft (93) which are arranged on a supporting frame (1), a first forming gear (34) is fixed on the driving shaft (37), and a second forming gear (95) matched with the first forming gear (34) is fixed on the driven shaft (93);

an adjusting gear structure (4), wherein the adjusting gear structure (4) comprises a differential gear and a driven adjusting gear (49) which are meshed with each other, the differential gear is fixed on the driving shaft (37), and the driven adjusting gear (49) is fixed on the driven shaft (93);

-a guide channel (15), the guide channel (15) being provided on the support frame (1), the guide channel (15) being located between the first forming gear (34) and the second forming gear (95);

and the power source (11) is connected with the driving shaft (37) and is used for driving the driving shaft (37) to rotate.

2. The metal honeycomb core fin forming apparatus according to claim 1, wherein the differential gear includes an adjustment differential gear (41) and a fixed differential gear (43), the adjustment differential gear (41) and the fixed differential gear (43) are both fixed on the driving shaft (37), the adjustment differential gear (41) and the fixed differential gear (43) are both meshed with the driven adjustment gear (49), and an adjustment screw (42) is provided on the fixed differential gear (43).

3. The metal honeycomb core fin forming apparatus according to claim 1, wherein the forming gear structure further comprises two support structures provided on the support frame (1);

each supporting structure comprises an angular contact ball bearing supporting structure (5) and a tapered roller bearing structure (10), and each angular contact ball bearing supporting structure (5) and tapered roller bearing structure (10) of each supporting structure are respectively positioned at two ends of the driving shaft (37) or the driven shaft (93).

4. A metal honeycomb core fin forming apparatus according to claim 3, wherein the angular contact ball bearing support structure (5) and the tapered roller bearing structure (10) each comprise a bearing, a bearing housing and two dust-proof retainers, the bearing is arranged in the bearing housing, the dust-proof retainers are coaxial with the bearing, and the two dust-proof retainers are respectively located on both sides of the bearing housing.

5. The metal honeycomb core fin forming apparatus according to claim 1, further comprising:

two shaping gear clearance adjustment structures, every shaping gear clearance adjustment structure all includes first regulation cushion (6), first regulation cushion (6) set up in the shaping gear structure between the bearing frame of driving shaft (37) with the bearing frame of driven shaft (93), shaping gear clearance adjustment structure is used for the adjustment first shaping gear (34) with clearance between second shaping gear (95).

6. The metal honeycomb core fin forming apparatus according to claim 5, wherein each of the forming gear gap adjustment structures further comprises a pressing structure (8), the pressing structure (8) being provided on the support frame (1);

the utility model provides a bearing frame, including supporting frame (1) and bearing seat, compress tightly structure (8) including compact heap (83), compress tightly crossbeam (84), compress tightly screw rod (86) and locking handle (87), compress tightly crossbeam (84) and fix braced frame (1) upper end, the middle part of compressing tightly crossbeam (84) is equipped with the screw hole that compress tightly screw rod (86) passed, the upper end of compressing tightly screw rod (86) is equipped with locking handle (87), the lower extreme of compressing tightly screw rod (86) is connected with compact heap (83), compact heap (83) with the bearing frame is connected.

7. The metal honeycomb core fin forming device according to claim 6, wherein a hoisting beam (85) is further arranged between the compression beams (84) of the two forming gear gap adjusting structures, and the hoisting beam (85) is fixed on the supporting frame (1) through bolts.

8. The metal honeycomb core fin forming device according to claim 1, wherein limiting check rings (33) are respectively arranged on two sides of the first forming gear (34), the diameter of the limiting check rings (33) is larger than that of the first forming gear (34), and the limiting check rings (33) are located outside the guide channel (15).

9. The metal honeycomb core fin forming device according to claim 1, wherein the power source (11) comprises a gear motor (113), the gear motor (113) is arranged on a gear motor base (111), an output end of the gear motor (113) is connected with the driving shaft (37) through a coupling (112), and an input end of the gear motor (113) is connected with a servo motor (114).

10. The metal honeycomb core fin forming device according to claim 1, wherein the supporting frame (1) comprises a device bottom plate (11), vertical plates (14) and channel supporting plates (16), two vertical plates (14) which are parallel to each other are fixed on the device bottom plate (11), the forming gear structure is located between the two vertical plates (14), and each vertical plate (14) is provided with a channel supporting plate (16) for supporting the guide channel (15).