CN214813914U

CN214813914U - Flanging forming equipment

Info

Publication number: CN214813914U
Application number: CN202023258205.XU
Authority: CN
Inventors: 唐宏林; 李伟
Original assignee: Guangzhou Qinlin Environmental Protection Technology Co ltd
Current assignee: Guangzhou Qinlin Environmental Protection Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-23
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a flanging forming device, which comprises a first positioning part, a second positioning part, a pressing part and a rotary driving mechanism; the first positioning component can be arranged in a rotating way, and the circumferential surface of the first positioning component is used for abutting against the inner wall of the workpiece; the circumferential surface of the second positioning part is used for bearing a first end surface of a flanging to be formed on the outer wall of the workpiece; the circumferential surface of the pressing part is used for being abutted against the second end surface of the flanging to be formed on the outer wall of the workpiece; the rotary driving mechanism is used for driving the second positioning component and the pressing component to rotate. The flanging forming equipment can ensure even stress and attractive forming, and the processing efficiency can be greatly improved while the processing quality is improved.

Description

Flanging forming equipment

Technical Field

The utility model relates to a former technical field especially relates to a turn-ups former.

Background

The prefabricated stainless steel chimney is mainly used for smoke exhaust and exhaust systems of equipment such as boilers, cold and hot water heaters, diesel generator sets, incinerators, industrial plast systems (also called industrial chimney systems), air-conditioning direct-fired units and the like, and is a novel product suitable for being installed and used in built-in (wall-attached) high-rise buildings in China. The chimney thoroughly gets rid of the problems of field welding installation, heat preservation and other high-altitude operations of the traditional stainless steel chimney in a narrow vertical shaft, and has the advantages of light weight, corrosion resistance, good heat insulation performance, long service life, attractive appearance, simple assembly and disassembly and the like, thereby being widely applied.

The process for producing the stainless steel prefabricated chimney double-flanging is the most important production process, at present, the production process of the prefabricated stainless steel chimney double-flanging adopts a method that a flange ring profiling sleeve is sleeved outside a workpiece for pressurization, but the problems of uneven flanging surface, low processing efficiency and the like caused by uneven stress exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a flanging forming device, which can improve the processing quality and the processing efficiency.

The purpose of the utility model is realized by adopting the following technical scheme:

a flanging forming device comprises a first positioning part, a second positioning part, a pressing part and a rotary driving mechanism; the first positioning member is rotatably arranged, a circumferential surface of the first positioning member is used for abutting against an inner wall of a workpiece, and the circumferential surface of the first positioning member is opposite to an end surface of the second positioning member and an end surface of the pressing member; the circumferential surface of the second positioning part is used for bearing a first end surface of a flanging to be formed on the outer wall of the workpiece; the circumferential surface of the pressing part is opposite to the circumferential surface of the second positioning part, and the circumferential surface of the pressing part is used for being abutted against the second end face of the flanging to be formed on the outer wall of the workpiece; the rotary driving mechanism is used for driving the second positioning component and the pressing component to rotate.

Further, a first end of an end surface of the second positioning member is closer to the pressing member than a second end of the end surface of the second positioning member, and the second end of the end surface of the second positioning member is closer to the circumferential surface of the first positioning member than the first end of the end surface of the second positioning member, and the second end of the end surface of the second positioning member is used for abutting against an outer wall of the workpiece.

Further, the first end of the end surface of the pressed component is closer to the second positioning component than the second end of the end surface of the pressed component, and the second end of the end surface of the pressed component is offset from the circumferential surface of the first positioning component than the first end of the end surface of the pressed component, so that the end surface of the pressed component does not contact with the outer wall of the workpiece.

Furthermore, the flanging forming equipment also comprises a first linear driving mechanism, and the first linear driving mechanism is used for driving the pressing part to be close to or far away from the second positioning part, so that the distance between the circumferential surface of the pressing part and the circumferential surface of the second positioning part is adjustable.

Further, the rotary driving mechanism comprises a first motor, a driving gear, a first driven gear and a second driven gear, the output end of the first motor is in transmission connection with the driving gear to drive the driving gear to rotate, the first driven gear is meshed with the driving gear, the first driven gear is connected with the second positioning component through a first driven rotating shaft, the second driven gear is meshed with the first driven gear, and the second driven gear is connected with the pressing component through a second driven rotating shaft.

Further, the second driven spindle includes first connecting axle, universal joint and the second connecting axle that connects gradually, first connecting axle with the second driven gear is connected, the second connecting axle with the suppression part is connected.

Further, the center line of the second positioning member is located at a higher position than the center line of the first driven gear; the center line of the pressed part is located at a higher position than the center line of the second driven gear.

Further, the first linear driving mechanism comprises a guide seat, a first sliding block and a screw rod, the guide seat is provided with a through guide hole, the first sliding block is in sliding fit with the guide hole, one end, close to the pressing part, of the second driven rotating shaft is rotatably supported by the first sliding block, and the screw rod is in threaded connection with the first sliding block to drive the first sliding block to slide.

Further, the flanging forming device further comprises a second linear driving mechanism, wherein the second linear driving mechanism is used for driving the first positioning part to be close to or far away from the second positioning part or the pressing part, so that the distance between the circumferential surface of the first positioning part and the end surface of the second positioning part or the end surface of the pressing part is adjustable; and/or the second positioning part and the pressing part are universal bearings.

Further, the second linear driving mechanism comprises a second motor, a screw-nut pair, a second slider and a guide rail, the second motor is fixedly arranged, the output end of the second motor is connected with a screw rod in the screw-nut pair to drive the screw rod to rotate, the second slider is fixed with a nut in the screw-nut pair, the second slider is slidably connected with the guide rail, and the guide rail is fixedly arranged.

Compared with the prior art, the beneficial effects of the utility model reside in that:

when the rotary pressing flanging forming machine works, a workpiece (such as a chimney) is placed on a working table, the circumferential surface of the first positioning part is abutted against the inner wall of the workpiece, a flanging to be formed on the outer wall of the workpiece is placed between the circumferential surface of the second positioning part and the circumferential surface of the pressing part, then the second positioning part and the pressing part are driven to rotate by the rotary driving mechanism, the workpiece can rotate relative to the working table under the action of friction force of the second positioning part and the pressing part, the rotation of the workpiece and the rotation of the pressing part generate power required by tensile deformation, the flanging forming mode enables the gradual tensile deformation according to the shapes of the second positioning part and the pressing part in the rotating process of the workpiece, the stress is uniform, the forming is attractive, the processing quality is improved, and meanwhile, the processing efficiency is greatly improved.

Drawings

Fig. 1 is a schematic structural view of a flanging forming apparatus of the present invention in a first viewing angle state;

FIG. 2 is a schematic structural view of the flanging forming apparatus shown in FIG. 1 at a second viewing angle;

FIG. 3 is a schematic structural view of the flanging forming apparatus shown in FIG. 1 at a third viewing angle;

fig. 4 is a partially enlarged view of one of the burring forming apparatuses shown in fig. 3.

In the figure: 1. a machine base; 11. a work table; 2. a first positioning member; 3. a second positioning member; 4. pressing the part; 5. a rotation driving mechanism; 51. a first motor; 52. a speed reducer; 53. a first sprocket; 54. a first chain; 55. a second sprocket; 56. a driving gear; 57. a driving rotating shaft; 58. a first driven gear; 59. a first driven rotating shaft; 510. a second driven gear; 520. a second driven rotating shaft; 5201. a first connecting shaft; 5202. a universal coupling; 5203. a second connecting shaft; 6. a first linear drive mechanism; 61. a guide seat; 62. a first slider; 63. a screw; 64. a bearing; 7. a second linear drive mechanism; 71. a drive shaft; 72. a third sprocket; 73. a lead screw; 74. a fourth sprocket; 75. a second slider; 8. a workpiece; 81. and (5) flanging.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1 to 3, a flanging forming apparatus according to a preferred embodiment of the present invention is shown, which includes a machine base 1, a first positioning member 2, a second positioning member 3, a pressing member 4, and a rotation driving mechanism 5; the machine base 1 is provided with a working table surface 11 for supporting the workpiece 8; in order to ensure smooth rotation of the workpiece 8 relative to the table top 11, the first positioning member 2 is rotatably disposed on the table top 11, the circumferential surface of the first positioning member 2 is adapted to abut against the inner wall of the workpiece 8, and the circumferential surface of the first positioning member 2 is opposite to the end surface of the second positioning member 3 and the end surface of the pressing member 4; with particular reference to fig. 3 and 4, the circumferential surface of the second positioning member 3 is used for supporting a first end surface of a flange 81 to be formed on the outer wall of the workpiece 8; the circumferential surface of the pressing component 4 is opposite to the circumferential surface of the second positioning component 3, and the circumferential surface of the pressing component 4 is used for being abutted against the second end surface of the flanging 81 to be formed on the outer wall of the workpiece 8; the rotary driving mechanism 5 is used for driving the second positioning component 3 and the pressing component 4 to rotate in the same direction.

Referring to fig. 3 and 4, in operation, a workpiece 8 (such as a chimney) is placed on the working table 11, such that the circumferential surface of the first positioning component 2 abuts against the inner wall of the workpiece 8, a to-be-formed flange 81 on the outer wall of the workpiece 8 is placed between the circumferential surface of the second positioning component 3 and the circumferential surface of the pressing component 4, then the second positioning component 3 and the pressing component 4 are driven to rotate by the rotation driving mechanism 5, such that the workpiece 8 can rotate relative to the working table 11 under the action of friction force of the second positioning component 3 and the pressing component 4, the rotation of the workpiece 8 and the rotation of the pressing component 4 generate power required for tensile deformation, the progressive tensile deformation according to the shapes of the second positioning component 3 and the pressing component 4 is realized in the rotation process of the workpiece 8 by using a spinning flange forming mode, the stress is uniform, the shape is attractive, the processing quality is improved, and simultaneously, the processing efficiency is also greatly improved.

In a preferred embodiment, the first positioning member 2 is a bearing 64 or a rotating wheel whose outer ring is rotatably disposed, so that frictional resistance between the workpiece 8 and the first positioning member 2 can be reduced, the workpiece 8 can be smoothly rotated, and the machining efficiency and the machining quality can be ensured.

As a preferable embodiment, a first end of an end surface of the second positioning member 3 is closer to the pressing member 4 than a second end of the end surface of the second positioning member 3, and a second end of the end surface of the second positioning member 3 is closer to the circumferential surface of the first positioning member 2 than the first end of the end surface of the second positioning member 3, that is, the second positioning member 3 is disposed obliquely, and the second end of the end surface of the second positioning member 3 is used for abutting against the outer wall of the workpiece 8, so that, during the working process, the second end of the end surface of the second positioning member 3 can be used for pressing to a position below the outer wall flange 81 of the workpiece 8, that is, acting on a position of the workpiece 8 close to the lower end opening thereof, so that the position of the workpiece 8 close to the lower end opening thereof can be retracted inwards, thereby playing a role of reducing the lower end opening of the workpiece 8, so that the workpiece 8 can be inserted into another workpiece 8, facilitating assembly between adjacent workpieces 8.

In a preferred embodiment, the second positioning member 3 is a universal bearing, so that the machining quality can be further improved.

With continued reference to fig. 3 and 4, as a preferred embodiment, the first end of the end surface of the press component 4 is closer to the second positioning component 3 than the second end of the end surface of the press component 4, and the second end of the end surface of the press component 4 is further away from the circumferential surface of the first positioning component 2 than the first end of the end surface of the press component 4, that is, the press component 4 is disposed obliquely, so that the end surface of the press component 4 does not contact with the outer wall of the workpiece 8, thereby preventing the outer wall of the workpiece 8 from being deformed by the press component 4 and ensuring the machining quality.

In a preferred embodiment, the press member 4 is a universal bearing, so that the processing quality can be further improved.

Referring to fig. 2 and 3, as a preferred embodiment, the rotary driving mechanism 5 includes a first motor 51, a speed reducer 52, a first sprocket 53, a first chain 54, a second sprocket 55, a driving gear 56, a driving shaft 57, a first driven gear 58, a first driven shaft 59, a second driven gear 510 and a second driven shaft 520, an output end of the first motor 51 is connected to an input end of the speed reducer 52 through a coupling, an output end of the speed reducer 52 is connected to the first sprocket 53 in a transmission manner, the first sprocket 53 is connected to the second sprocket 55 disposed on the driving shaft 57 through the first chain 54, wherein the driving shaft 57 is rotatably mounted on the machine base 1, the driving gear 56 is disposed on an output end of the driving shaft 57 to drive the driving gear 56 to rotate, the first driven gear 58 is engaged with the driving gear 56, the first driven gear 58 is connected to the second positioning member 3 through the first driven shaft 59, wherein, the first driven rotating shaft 59 is rotatably installed on the machine base 1, the second driven gear 510 is engaged with the first driven gear 58, the second driven gear 510 is connected with the pressing part 4 through the second driven rotating shaft 520, wherein, the second driven rotating shaft 520 is rotatably installed on the machine base 1. Therefore, the second positioning component 3 and the pressing component 4 can be driven to synchronously rotate in the same direction only by arranging one first motor 51, so that the processing quality can be ensured, and the cost can be reduced.

Referring to fig. 3, as a preferred embodiment, the second driven rotating shaft 520 includes a first connecting shaft 5201, a universal joint 5202 and a second connecting shaft 5203 which are connected in sequence, the first connecting shaft 5201 is connected to the second driven gear 510, the second connecting shaft 5203 is connected to the pressing member 4, and the first connecting shaft 5201 and the second connecting shaft 5203 are connected by using the universal joint 5202, so that the pressing member 4 can be adjusted in vertical displacement without affecting the engagement between the second driven gear 510 and the first driven gear 58.

In a preferred embodiment, the center line of the second positioning member 3 is located higher than the center line of the first driven gear 58, that is, the first end of the first driven rotating shaft 59 connected with the second positioning member 3 is located higher than the second end of the first driven rotating shaft 59 connected with the first driven gear 58, so as to ensure that the second positioning member 3 can be arranged in a tilted manner.

As a preferred embodiment, the center line of the press member 4 is located higher than the center line of the second driven gear 510, that is, the first end of the second driven rotating shaft 520 connected to the press member 4 is located higher than the second end of the second driven rotating shaft 520 connected to the second driven gear 510, so as to ensure that the press member 4 can be inclined and not be in contact with the outer wall of the workpiece 8.

More specifically, both ends of the driving rotation shaft 57, both ends of the first driven rotation shaft 59, and both ends of the second driven rotation shaft 520 are supported by bearings 64.

In order to enable the flanging forming device to be suitable for processing flanges 81 with different thicknesses, as a preferred embodiment, the flanging forming device further comprises a first linear driving mechanism 6, the first linear driving mechanism 6 is used for driving the pressing part 4 to be close to or far away from the second positioning part 3, and the distance between the circumferential surface of the pressing part 4 and the circumferential surface of the second positioning part 3 is adjustable.

In a preferred embodiment, the first linear driving mechanism 6 includes a guide seat 61, a first slider 62 and a screw 63, the guide seat 61 is provided with a through guide hole, the first slider 62 is slidably engaged with the guide hole, one end of the second driven rotating shaft 520 close to the pressing member 4 is rotatably supported by the first slider 62, that is, the first slider 62 is provided with a bearing 64, a portion of the second driven rotating shaft 520 close to the pressing member 4 is engaged with a rotatable inner ring of the bearing 64, and the screw 63 is sequentially in threaded connection with the guide seat 61 and the first slider 62, so that the first slider 62 can be driven to slide by rotating the screw 63, thereby driving the pressing member 4 to move up and down, and adjusting a distance between the circumferential surface of the pressing member 4 and the circumferential surface of the second positioning member 3.

Referring to fig. 1, as a preferred embodiment, the flanging forming apparatus further includes a second linear driving mechanism 7, where the second linear driving mechanism 7 is configured to drive the first positioning component 2 to approach or depart from the second positioning component 3 or the pressing component 4, so that a distance between a circumferential surface of the first positioning component 2 and an end surface of the second positioning component 3 or an end surface of the pressing component 4 is adjustable, so that the first positioning component 2 can be fed back and forth relative to the second positioning component 3 or the pressing component 4, thereby driving the workpiece 8 to be fed back and forth. The progressive feed of the first positioning element 2 then generates the strain force required by the workpiece 8 during stretching, so that the rotation of the workpiece 8 in combination with the progressive feed of the first positioning element 2 effects a rotary press forming of the workpiece 8, and during the rotation of the workpiece 8 and the progressive feed of the first positioning element 2 a progressive tensile deformation according to the shape of the second positioning element 3 and the press element 4 is achieved.

In a preferred embodiment, the second linear driving mechanism 7 includes a second motor (not shown), a transmission shaft 71, a third sprocket 72, a fourth sprocket 74, a screw nut pair, a second slider 75 and a guide rail, the second motor is fixedly disposed on the machine base 1, an output end of the second motor is connected to the transmission shaft 71 through a coupling, two ends of the transmission shaft 71 are supported by bearings 64, the third sprocket 72 is drivingly connected to the transmission shaft 71, the fourth sprocket 74 is drivingly connected to a screw 73 in the screw nut pair, a first end of the screw 73 is supported by the bearings 64, a second end of the screw 73 is drivingly connected to a nut in the screw nut pair, the second slider 75 is fixed to a nut in the screw nut pair, the second slider 75 is slidably connected to the guide rail, the guide rail is fixedly disposed on the machine base 1, the first positioning member 2 is rotatably mounted on a connecting shaft of the second slider 75, thus, the second motor is used to drive the second slider 75 to slide, so as to drive the first positioning component 2 to displace.

The utility model discloses a turn-ups former's theory of operation as follows:

during working, a workpiece 8 (such as a chimney) is placed on the working table 11, the circumferential surface of the first positioning part 2 is abutted against the inner wall of the workpiece 8, a flange 81 to be formed on the outer wall of the workpiece 8 is placed between the circumferential surface of the second positioning part 3 and the circumferential surface of the pressing part 4, then the second positioning part 3 and the pressing part 4 are driven to rotate by the rotary driving mechanism 5, the workpiece 8 can rotate relative to the working table 11 under the action of friction force of the second positioning part 3 and the pressing part 4, the rotation of the workpiece 8 and the rotation of the pressing part 4 generate power required by tensile deformation, the gradual feeding amount of the first positioning part 2 generates strain force required by the workpiece 8 in the stretching process, therefore, the workpiece 8 is rotated and gradually fed in combination with the first positioning part 2 to realize the rotary pressing forming of the workpiece 8, and the second positioning part 3 and the pressing part 2 are pressed in the processes of the rotation of the workpiece 8 and the gradual feeding of the first positioning part 2 4, the shape is gradually stretched and deformed, the stress is uniform, the forming is attractive, the processing quality is improved, and meanwhile, the processing efficiency is greatly improved.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A flanging forming device is characterized by comprising a first positioning part, a second positioning part, a pressing part and a rotary driving mechanism; the first positioning component can be arranged in a rotating way, and the circumferential surface of the first positioning component is used for abutting against the inner wall of the workpiece; the circumferential surface of the second positioning part is used for bearing a first end surface of a flanging to be formed on the outer wall of the workpiece; the circumferential surface of the pressing part is used for being abutted against the second end surface of the flanging to be formed on the outer wall of the workpiece; the rotary driving mechanism is used for driving the second positioning component and the pressing component to rotate.

2. The burring forming apparatus of claim 1, wherein a first end of the end face of the second positioning member is closer to the pressing member than a second end of the end face of the second positioning member, and a second end of the end face of the second positioning member is more biased toward the circumferential surface of the first positioning member than the first end of the end face of the second positioning member, the second end of the end face of the second positioning member being adapted to abut against an outer wall of the workpiece.

3. The burring forming apparatus of claim 1, wherein the first end of the end face of the hold-down member is closer to the second positioning member than the second end of the end face of the hold-down member, and the second end of the end face of the hold-down member is offset from the circumferential surface of the first positioning member than the first end of the end face of the hold-down member so that the end face of the hold-down member does not contact the outer wall of the workpiece.

4. The flange forming apparatus according to claim 1, further comprising a first linear driving mechanism for driving the pressing member to approach or separate from the second positioning member, so that a distance between the circumferential surface of the pressing member and the circumferential surface of the second positioning member is adjustable.

5. The flanging forming apparatus of claim 4, wherein the rotary driving mechanism includes a first motor, a driving gear, a first driven gear and a second driven gear, an output end of the first motor is in transmission connection with the driving gear to drive the driving gear to rotate, the first driven gear is meshed with the driving gear, the first driven gear is connected with the second positioning member through a first driven rotating shaft, the second driven gear is meshed with the first driven gear, and the second driven gear is connected with the pressing member through a second driven rotating shaft.

6. The flange forming device according to claim 5, wherein the second driven rotating shaft includes a first connecting shaft, a universal coupling and a second connecting shaft which are connected in sequence, the first connecting shaft is connected with the second driven gear, and the second connecting shaft is connected with the pressing part.

7. The burring forming apparatus of claim 5, wherein the center line of the second positioning member is located at a higher position than the center line of the first driven gear; the center line of the pressed part is located at a higher position than the center line of the second driven gear.

8. The flanging forming device according to claim 5, wherein the first linear driving mechanism includes a guide seat, a first slider and a screw, the guide seat is provided with a through guide hole, the first slider is slidably engaged with the guide hole, one end of the second driven rotating shaft close to the pressing part is rotatably supported by the first slider, and the screw is in threaded connection with the first slider to drive the first slider to slide.

9. The burring forming device of claim 1, wherein the burring forming device further comprises a second linear driving mechanism, and the second linear driving mechanism is used for driving the first positioning component to be close to or far away from the second positioning component or the pressing component, so that the distance between the circumferential surface of the first positioning component and the end surface of the second positioning component or the end surface of the pressing component is adjustable; and/or the first positioning part is a bearing or a rotating wheel with an outer ring which can be rotatably configured; and/or the second positioning part and the pressing part are universal bearings.

10. The flanging forming apparatus of claim 9, wherein the second linear driving mechanism includes a second motor, a screw-nut pair, a second slider, and a guide rail, the second motor is fixedly disposed, an output end of the second motor is connected to a screw rod of the screw-nut pair to drive the screw rod to rotate, the second slider is fixed to a nut of the screw-nut pair, the second slider is slidably connected to the guide rail, and the guide rail is fixedly disposed.