CN114406065B

CN114406065B - Hemming processing machine for manufacturing metal packaging box

Info

Publication number: CN114406065B
Application number: CN202210308485.5A
Authority: CN
Inventors: 陈帅
Original assignee: Xuzhou Jinzhitai Packaging New Material Technology Co ltd
Current assignee: Xuzhou Jinzhitai Packaging New Material Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-06-03
Anticipated expiration: 2042-03-28
Also published as: CN114406065A

Abstract

The invention relates to the technical field of packaging material processing, and particularly provides a metal packaging box manufacturing and hemming processing machine which comprises a processing table, an inner support rotating device assembled on the table top of the processing table, a plurality of limiting supporting plate assemblies assembled on the table top of the working table, a flanging device assembled on the table top of the working table and a hemming die device assembled on the table top of the working table; the plurality of limiting supporting plate assemblies, the flanging device and the hemming die device are distributed around the inner support rotating device; the adjustable metal packing box edge-curling mechanism can be adjusted and processed adaptively for cylindrical workpieces with different diameters and different edge-curling ranges, the arranged inner support rotating device, the limiting supporting plate assembly, the plate turnover device and the edge-curling die device can be adjusted correspondingly around the cylindrical workpiece with the same structural size, the adjustable metal packing box edge-curling mechanism has high adaptability, can meet the edge-curling requirements of metal packing boxes with various design sizes, and is convenient and rapid in debugging process.

Description

Hemming processing machine for manufacturing metal packaging box

Technical Field

The invention relates to the technical field of packaging material processing, and particularly provides a metal packaging box manufacturing and hemming processing machine.

Background

The metal packing box has the advantages of easy forming, high aesthetic degree, high protection strength, moisture and water resistance, good sealing property and the like, so the metal packing box is widely applied to product packing in the packing field, such as common tinplate packing boxes; the metal packing box is usually in a cubic shape and a cylindrical shape according to the requirements of the packing design, and also comprises packing boxes with special-shaped structures. The metal packing box in the invention particularly refers to a cylindrical metal packing box.

The cylindrical metal packaging box is characterized in that a main body of the cylindrical metal packaging box is a metal cylinder, in the process of processing, forming and manufacturing the metal cylinder, in order to improve the strength of a cylinder edge and prevent the cylinder edge of the metal cylinder from deforming, the cylinder edge of the metal cylinder is generally required to be curled, so that the structural strength of the cylinder edge is enhanced, and meanwhile, a sharp cylinder edge can be hidden through curling; the method is mainly characterized in that a special curling processing machine is basically adopted to finish the curling processing of the metal cylinder of the packing box, but most of the existing curling processing machines can only carry out the curling processing on the metal cylinder with one size, obviously, the existing curling processing machines can not correspondingly finish the curling processing on the metal cylinders with different diameters and sizes or different curling ranges, and therefore, the processing adaptability has great limitation.

Disclosure of Invention

In order to solve the above problems, the present invention provides a metal packing box hemming process machine for solving the above problems mentioned in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a metal packing box manufacturing and hemming processing machine comprises a processing table, an inner support rotating device assembled on the table top of the processing table, a plurality of limiting supporting plate assemblies assembled on the table top of the processing table, a flanging device assembled on the table top of the processing table and a hemming die device assembled on the table top of the processing table; and the plurality of limiting supporting plate assemblies, the flanging device and the hemming die device are distributed around the inner support rotating device.

The inner support rotating device comprises an adjustable inner support mechanism which is vertically and rotatably output and is adjustable in inner support diameter; the flanging device comprises a first carry platform, a flanging execution mechanism, a return mechanism and a side clamping mechanism; the first carry platform comprises a sliding platform which is arranged along the rotary radial direction of the inner support rotating device in a sliding manner, the flanging executing mechanism comprises a cylinder frame fixedly arranged on the sliding platform, a lifting cylinder is vertically and fixedly arranged at the top end of the cylinder frame, the output end of the lifting cylinder is horizontally provided with a lifting beam, the lifting beam is horizontally and slidably provided with two traction guide rods, the axial direction of the traction guide rods is arranged along the sliding direction of the sliding platform, two track guide frames are arranged on the sliding platform in parallel with the sliding direction of the sliding platform, track sliding blocks are arranged on the two track guide frames in a matching way, the two traction guide rods are hinged with the two track sliding blocks in a one-to-one correspondence way, the track guide frame is provided with two guide holes which are concentric and have a quarter-circle arc structure, the track sliding block is provided with two passive pins which correspondingly penetrate through the two guide holes one by one; a follow-up flat plate is fixedly arranged between the two track sliding blocks; the retreating mechanism is assembled on the follow-up flat plate and comprises a motor fixing plate which moves along the radial direction of the guide hole; the edge clamping mechanism comprises a driving motor fixedly arranged on the motor fixing plate and two clamping rollers rotatably arranged on the motor fixing plate; the shafts of the two clamping rollers are provided with gears, and the two gears are meshed with each other; when the follow-up flat plate is in a horizontal state, the two clamping rollers are positioned above the motor fixing plate and are in a vertical state, and the two clamping rollers are arranged in a rotary radial distribution mode along the inner support rotating device.

Hemming die device includes No. two carry platforms and carry turn-up mechanism, No. two carry platforms include the edge prop the carriage that rotating device gyration radial slip set up in, carry turn-up mechanism includes that the level is fixed carry cylinder on the carriage, fix vertical regulation rail, the vertical sliding adjustment of carry cylinder output are installed lifter plate and vertical rotation on the vertical regulation rail are installed hemming roller on the lifter plate, prop the rotation center pin of mechanism in the adjustable with the center pin of hemming roller all with the output direction of carry cylinder is perpendicular, be provided with a plurality of turn-up molding grooves that are revolution mechanic and size difference on the hemming roller.

Preferably, the inner support rotating device further comprises an electric turntable fixedly mounted on the table surface of the processing table and a heightening cylinder fixedly mounted on the rotating end surface of the electric turntable; the adjustable inner support mechanism comprises an adjusting guide frame, an inner support adjusting component assembled on the adjusting guide frame and a plurality of inner support arms assembled on the inner support adjusting component; the adjusting guide frame is fixedly arranged at the top end of the heightening cylinder, and the inner supporting arms are uniformly distributed around the circumference of a rotating shaft of the electric rotary table.

Preferably, the adjusting guide frame comprises two end discs and a plurality of guide pillars fixedly connected between the two end discs, the two end discs are horizontally arranged and vertically distributed, and the end disc positioned at the lower position is fixedly connected to the top end of the heightening cylinder; the inner support adjusting assembly comprises an adjusting motor fixedly arranged at the top end of the end head disc at the upper position, a bidirectional screw rod vertically and rotatably arranged between the two end head discs, two stroke discs in one-to-one correspondence threaded connection with two thread sections of the bidirectional screw rod, and two groups of connecting rods arranged on the two stroke discs in one-to-one correspondence; the bidirectional screw is fixedly connected with an output shaft of the adjusting motor, a central shaft of the bidirectional screw is superposed with a rotation central shaft of the electric rotary table, the two stroke discs are in sliding fit with the guide pillars, the number of the connecting rods in each group is equal to that of the inner supporting arms, the connecting rods in each group are hinged on the stroke discs and are uniformly distributed around the circumference of the central shaft of the bidirectional screw, the two groups of connecting rods are arranged in a one-to-one correspondence manner from top to bottom, and the two connecting rods in each pair of opposite positions are hinged with the inner supporting arms.

Preferably, the position withdrawing mechanism further comprises a position withdrawing cylinder fixedly mounted on the follow-up flat plate and a plurality of sliding rods vertically and fixedly mounted on the same plate surface of the motor fixing plate, the motor fixing plate is fixedly connected with the output end of the position withdrawing cylinder, and the sliding rods are in sliding fit with the follow-up flat plate.

Preferably, waist-shaped holes are formed in two sides of the vertical adjusting rail, the lifting plate is horizontally provided with penetrating and inserting screw rods penetrating through the waist-shaped holes from two sides, and two ends of the penetrating and inserting screw rods are respectively in threaded connection with locking nuts used for being attached and locked with the outer side wall of the vertical adjusting rail in a matched mode.

Preferably, the limiting supporting plate assembly comprises a vertical guide frame fixedly mounted on the table top of the processing table, an adjusting screw vertically rotatably mounted on the vertical guide frame and a limiting supporting plate vertically and slidably mounted on the vertical guide frame, and the limiting supporting plate is horizontally arranged and is in threaded connection with the adjusting screw.

Preferably, the first carry table further comprises a first sliding seat fixedly installed on the table top of the processing table and a first adjusting shaft horizontally and rotatably installed on the first sliding seat, and the sliding platform is slidably installed on the first sliding seat and is in threaded connection with the first adjusting shaft; the second carry table further comprises a second sliding seat fixedly installed on the table surface of the processing table and a second adjusting shaft installed on the second sliding seat in a horizontal rotating mode, and the sliding frame is installed on the second sliding seat in a sliding mode and connected with the second adjusting shaft in a threaded mode.

Preferably, the inner supporting arm is sequentially provided with a bending section and a vertical section from top to bottom, the bending section is in arc transition with the vertical section, and the bending section is deviated to one side of the rotary central shaft of the electric rotary table; the contact end face of the inner supporting arm is of an arc structure, and a silica gel layer covers the contact end face of the inner supporting arm.

The technical scheme has the following advantages or beneficial effects: 1. the invention provides a hemming processing machine for manufacturing metal packing boxes, which can clamp and position a cylindrical workpiece through an inner support rotating device and drive the cylindrical workpiece to synchronously rotate, can support and limit the lower barrel edge of the cylindrical workpiece through an arranged limiting supporting plate component, can automatically complete flanging operation on the lower barrel edge of the cylindrical workpiece through a flanging device, and can complete automatic hemming processing on the basis of flanging through a hemming die device, compared with the prior hemming processing machine which can only perform hemming processing on the cylindrical workpiece of a metal packing box with a specific size, the hemming processing machine can adapt to and adjust the cylindrical workpieces with different diameters and different hemming ranges, and the arranged inner support rotating device, the limiting supporting plate component, a plate turnover device and the hemming die device can be matched with cylinders with different sizes to perform corresponding adjustment, the metal packing box with the adjustable edge has high adaptability, can meet the requirements of edge curling processing of metal packing boxes with various design sizes, and is convenient and fast to debug.

2. The invention provides a metal packaging box manufacturing hemming processing machine, wherein in an inner support rotating device, an adjustable inner support mechanism is arranged to meet the requirement of clamping inner supports of cylindrical workpieces with different diameters, meanwhile, the cylindrical workpieces are convenient to be sleeved randomly, the cylindrical workpieces are simpler to place and do not need to be aligned and placed intentionally, and in addition, a bending section on an inner support arm provides sleeving guide for the cylindrical workpieces.

3. The invention provides a metal packing box manufacturing hemming processing machine, wherein a plurality of hemming forming grooves are formed in a hemming roller in a hemming die device, so that the hemming processing machine is convenient to replace rapidly when a cylindrical workpiece with different hemming amplitudes is hemmed and is convenient to operate.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic perspective view of a metal packing box hemming processing machine in one viewing angle.

Fig. 2 is a schematic perspective view of a metal packing box manufacturing and hemming machine provided by the invention at another viewing angle.

FIG. 3 is a front view of a hemming machine for manufacturing metal packing boxes according to the present invention.

Fig. 4 is a top view of a metal packing box manufacturing and hemming machine provided by the invention.

Fig. 5 is a schematic perspective view of the inner support rotating device.

Fig. 6 is a schematic perspective view of the turn-up device.

Fig. 7 is a front view of the turn-up device.

Fig. 8 is a schematic perspective view of the hemming die apparatus.

Fig. 9 is a schematic view showing a state of crimping a cylindrical work.

In the figure: 1. a processing table; 2. an inner support rotating device; 21. an electric turntable; 22. a heightening cylinder; 23. an adjustable internal bracing mechanism; 231. adjusting the guide frame; 2311. a head plate; 2312. a guide post; 232. an inner support adjusting assembly; 2321. adjusting the motor; 2322. a bidirectional lead screw; 2323. a stroke disc; 2324. a connecting rod; 233. an inner brace arm; 3. a limiting supporting plate component; 31. a vertical guide frame; 32. adjusting the screw rod; 33. a limiting supporting plate; 4. a flanging device; 41. a first carry stage; 411. a first sliding seat; 412. a first adjusting shaft; 413. a sliding platform; 42. a flanging actuating mechanism; 421. a cylinder frame; 422. a lifting cylinder; 423. a lifting beam; 424. pulling the guide rod; 425. a trajectory guide; 4251. a guide hole; 426. a track slider; 4261. a passive pin; 427. a follow-up plate; 43. a position retreating mechanism; 431. a position retreating cylinder; 432. a motor fixing plate; 433. a slide bar; 44. an edge clamping mechanism; 441. a drive motor; 442. a nip roll; 4421. a gear; 5. a hemming die device; 51. a carry stage II; 511. a second sliding seat; 512. a second adjusting shaft; 513. a carriage; 52. a carry crimping mechanism; 521. a carry cylinder; 522. a vertical adjustment rail; 5221. a kidney-shaped hole; 523. a lifting plate; 5231. inserting a screw rod; 524. locking the nut; 525. a hemming roller; 5251. and (4) curling and forming grooves.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a metal packing box manufacturing and hemming processing machine comprises a processing table 1, an inner support rotating device 2 assembled on the table top of the processing table 1, two limiting supporting plate assemblies 3 assembled on the table top of the processing table 1, a flanging device 4 assembled on the table top of the processing table 1 and a hemming die device 5 assembled on the table top of the processing table 1; the two limiting supporting plate assemblies 3, the flanging device 4 and the hemming die device 5 are distributed around the inner support rotating device 2, and the specific position distribution state can be seen in figure 4.

As shown in fig. 1 and 5, the inner support rotating device 2 comprises an adjustable inner support mechanism 23 which is vertically and rotatably mounted and has an adjustable inner support diameter; the inner support rotating device 2 also comprises an electric turntable 21 fixedly arranged on the table top of the processing table 1 through bolts and a heightening cylinder 22 fixedly arranged on the rotating end face of the electric turntable 21 through bolts, wherein the electric turntable 21 is an existing device and can be directly selected and purchased in the market; the adjustable inner support mechanism 23 comprises an adjusting guide frame 231, an inner support adjusting component 232 assembled on the adjusting guide frame 231 and eight inner support arms 233 assembled on the inner support adjusting component 232; the adjusting guide frame 231 is fixedly arranged at the top end of the heightening cylinder 22, and the eight inner supporting arms 233 are uniformly distributed around the circumference of the rotating shaft of the electric turntable 21; the adjusting guide frame 231 comprises two end discs 2311 and four guide posts 2312 fixedly connected between the two end discs 2311 through bolts, the four guide posts 2312 are uniformly distributed around the circumference of the central shaft of the end discs 2311, the two end discs 2311 are horizontally and vertically distributed, and the end discs 2311 positioned at the lower position are welded at the top end of the heightening cylinder 22; the inner support adjusting assembly 232 comprises an adjusting motor 2321 fixedly mounted at the top end of the end head discs 2311 at the upper position through bolts, a bidirectional lead screw 2322 vertically and rotatably mounted between the two end head discs 2311 through a bearing, two stroke discs 2323 in one-to-one correspondence and in threaded connection with two thread sections of the bidirectional lead screw 2322, and two groups of connecting rods 2324 arranged on the two stroke discs 2323 in one-to-one correspondence; the bidirectional screw 2322 is fixedly connected with an output shaft of the adjusting motor 2321, a central shaft of the bidirectional screw 2322 coincides with a rotation central shaft of the electric rotary table 21, the two stroke discs 2323 are in sliding fit with the four guide columns 2312, the number of each group of connecting rods 2324 is eight, the eight connecting rods 2324 in each group are hinged on the stroke discs 2323 and evenly distributed around the circumference of the central shaft of the bidirectional screw 2322, the two groups of connecting rods 2324 are arranged in a one-to-one correspondence manner from top to bottom, and the two connecting rods 2324 at each pair of opposite positions are hinged with the inner supporting arm 233. The inner supporting arm 233 is sequentially provided with a bending section and a vertical section from top to bottom, the bending section is in arc transition with the vertical section, and the bending section is deviated to one side of the rotating central shaft of the electric rotating table 21; the contact end face of the inner supporting arm 233 is of an arc structure, and the contact end face of the inner supporting arm 233 is covered with a silica gel layer.

When a metal cylindrical workpiece (hereinafter referred to as a cylindrical workpiece) of a metal packaging box is subjected to hemming processing, an inner supporting die is required to perform inner supporting clamping, and the inner supporting die can be used for positioning a central shaft of the cylindrical workpiece and clamping the cylindrical workpiece, so that the cylindrical workpiece can be synchronously driven to rotate to perform hemming processing; the inner support die of the existing hemming processing machine is a component of a fixed size structure for processing a cylindrical workpiece with a specific size, and needs to be capable of providing inner support contact, so that the inner support die needs higher matching precision in size, the cylindrical workpiece needs to be accurately sleeved by the inner support die after being carefully and correctly sleeved, and the randomness of placing the cylindrical workpiece is limited.

The eight inner supporting arms 233 in the inner supporting rotating device 2 in the invention are combined to form an inner supporting die which is equivalent to an inner supporting die for clamping the inner support of a cylindrical workpiece in the existing hemming processing machine, the inner supporting diameter of the inner supporting die is adjustable, the inner supporting die can clamp and position the inner supporting die according to the requirements of cylindrical workpieces with different diameters, specifically, the adjusting motor 2321 is started to drive the bidirectional screw 2322 to rotate, so that the two stroke discs 2323 are driven to move reversely, the inner supporting arms 233 are adjusted in position through the matching of the connecting rods 2324 at the opposite positions on the two stroke discs 2323, and the purpose of adjusting the inner supporting radius is achieved through synchronously adjusting the distances of the eight inner supporting arms 233 relative to the central shaft of the bidirectional screw 2322. Before actually embolias the cylinder work piece, can adjust the internal stay radius of internal stay arm 233 to slightly less than the size of cylinder work piece internal diameter to make things convenient for emboliaing of cylinder work piece, when emboliaing the cylinder work piece, the section of bending on internal stay arm 233 can provide the guide effect well to emboliaing, make the emboliaing of cylinder work piece random increase, the operation is very convenient, after establishing cylinder work piece cover on eight internal stay arms 233, can start again and adjust motor 2321 and finely tune, the internal stay arm 233 of internal stay arm 233 can increase, make eight internal stay arms 233 form the internal stay to the cylinder work piece and press from both sides tightly, and the silica gel layer on the internal stay arm 233 is slight tight compression state of clamp. The cylinder workpiece can realize the effect of central shaft positioning through the inner support clamping of the eight inner support arms 233, and during the hemming processing, the electric rotary table 21 is started to drive the cylinder workpiece to synchronously rotate along with the cylinder workpiece, so that the hemming processing is facilitated.

As shown in fig. 3 and 4, the stop support plate assembly 3 includes a vertical guide frame 31 welded on the table top of the processing table 1, an adjusting screw 32 vertically rotatably mounted on the vertical guide frame 31, and a stop support plate 33 vertically slidably mounted on the vertical guide frame 31, wherein the stop support plate 33 is horizontally disposed and is in threaded connection with the adjusting screw 32.

The arrangement of the two limiting supporting plate components 3 is used for supporting and limiting the lower cylinder edge of the cylinder workpiece when the cylinder workpiece is sleeved in the internal support rotating device 2, namely, the cylinder workpiece is directly placed on the two limiting supporting plates 33, and the limiting supporting plates 33 are mainly used for limiting the position height of the lower cylinder edge of the cylinder workpiece except for playing a basic role of supporting and placing the cylinder workpiece, so that when different curling amplitudes are needed for the cylinder workpieces with different sizes, the flanging width of the lower cylinder edge is limited. When being directed at different turn-ups widths, the accessible rotates adjusting screw 32 and drives spacing layer board 33 and slide from top to bottom along vertical guide frame 31 to the position height of adjustment spacing layer board 33, it needs to be noted that need guarantee that final two are in same high position when adjusting two spacing layer boards 33 respectively.

As shown in fig. 1, 3, 6 and 7, the flanging device 4 comprises a first carry table 41, a flanging execution mechanism 42, a position withdrawing mechanism 43 and an edge clamping mechanism 44; the first carry table 41 comprises a sliding platform 413 which is arranged along the inner support rotating device 2 in a rotating and radial sliding mode, the first carry table 41 further comprises a first sliding seat 411 which is welded on the table top of the processing table 1 and a first adjusting shaft 412 which is horizontally and rotatably installed on the first sliding seat 411, and the sliding platform 413 is slidably installed on the first sliding seat 411 and is in threaded connection with the first adjusting shaft 412; the flanging executing mechanism 42 comprises a cylinder frame 421 welded on the sliding platform 413, the top end of the cylinder frame 421 is vertically and fixedly provided with a lifting cylinder 422 through a bolt, the output end of the lifting cylinder 422 is horizontally provided with a lifting beam 423, the lifting beam 423 is horizontally and slidably provided with two traction guide rods 424, the axial directions of the traction guide rods 424 are arranged along the sliding direction of the sliding platform 413, the sliding platform 413 is provided with two track guide frames 425 parallel to the sliding direction thereof, the two track guide frames 425 are respectively provided with a track sliding block 426 in a matching manner, the two traction guide rods 424 are hinged with the two track sliding blocks 426 in a one-to-one correspondence manner, the track guide frames 425 are provided with two guide holes 4251 which are concentric and have a quarter-circle arc structure, and the track sliding blocks 426 are provided with two driven pins 4261 which penetrate through the two guide holes 4251 in a one-to-one correspondence manner; a follow-up flat plate 427 is welded between the two track sliding blocks 426; the withdrawing mechanism 43 is assembled on the follow-up flat plate 427, the withdrawing mechanism 43 comprises a motor fixing plate 432 which is arranged along the radial direction of the guide hole 4251, the withdrawing mechanism 43 further comprises a withdrawing cylinder 431 which is fixedly arranged on the follow-up flat plate 427 through bolts and four sliding rods 433 which are vertically welded on the same plate surface of the motor fixing plate 432, the motor fixing plate 432 is welded with the output end of the withdrawing cylinder 431, and the four sliding rods 433 are in sliding fit with the follow-up flat plate 427; the edge clamping mechanism 44 comprises a driving motor 441 fixedly mounted on the motor fixing plate 432 through a bolt and two clamping rollers 442 rotatably mounted on the motor fixing plate 432; the shafts of the two nip rollers 442 are provided with gears 4421, and the two gears 4421 are meshed with each other; when the follower plate 427 is in the horizontal state, the two nip rollers 442 are located above the motor fixing plate 432 and in the vertical state, and the two nip rollers 442 are radially distributed along the rotation of the inner support rotating device 2.

Before hemming, the lower tube edge of the cylindrical workpiece needs to be flanged in advance through a flanging device 4, namely the lower tube edge of the cylindrical workpiece is turned outwards to form a horizontal tube edge structure to be flanged, before hemming, two clamping rollers 442 are in a vertical state and sleeved into the lower tube edge of the placed cylindrical workpiece to extend into a clamping edge gap between the two clamping rollers 442, and the depth of the lower tube edge extending into the clamping edge gap corresponds to the flanging width and is limited by two limiting supporting plates 33; during flanging, the lower cylinder edge is flanged from a vertical position to a horizontal state through the two clamping rollers 442 under the driving of the flanging executing mechanism 42, obviously, the cylinder edge is turned ninety degrees around the flanging position during flanging, the flanging process is finished just by the guiding of the two track guiding frames 425, specifically, the circle centers of the two concentric guiding holes 4251 on the track guiding frames 425 are just at the flanging positions where the two clamping rollers 442 drive the flanging, the two driven pins 4261 on the track sliding block 426 can only move along the two guiding holes 4251, it needs to be noted that the central shaft connecting line of the two driven pins 4261 on the track sliding block 426 is located in the radial direction of the guiding holes 4251, so that the track sliding block 426 rotates around the circle center, and the flanging track guiding is realized.

When the hemming processing is performed on the cylindrical workpiece with a specific size, after the corresponding adjustment of the inner support radius of the adjustable inner support mechanism 23 is completed, the cylindrical workpiece can be clamped on the eight inner support arms 233 by the inner support, and the position of the cylindrical workpiece is determined, on the basis of the adjustment, the positions of the two clamping rollers 442 can be correspondingly adjusted through the first carry table 41, specifically, the first adjusting shaft 412 is rotated to drive the sliding platform 413 to slide along the first sliding seat 411, so that the two clamping rollers 442 are driven to synchronously move along with the sliding platform 413, and after the adjustment by movement, the lower cylindrical edge of the sleeved cylindrical workpiece can be aligned to and inserted into the clamping edge gap of the two clamping rollers 442.

When flanging operation is performed, the electric rotary table 21 is started to drive the cylindrical workpiece to synchronously rotate at a constant speed, then, on one hand, the driving motor 441 is started to drive one of the clamping rollers 442 to rotate, the two clamping rollers 442 are driven to reversely rotate by the mutually meshed gears 4421, the driving direction of the two clamping rollers 442 for the lower cylindrical edge of the cylindrical workpiece is consistent with the rotating direction of the clamping rollers per se along the electric rotary table 21, on the other hand, the lifting cylinder 422 is started to drive the lifting beam 423 to ascend at a constant speed, the two pulling guide rods 424 ascend synchronously in the process of ascending at a constant speed of the lifting beam 423, as shown in a visual angle of fig. 3, the pulling guide rods 424 slide rightwards along the lifting beam 423, the track sliding block 426 is driven to rotate anticlockwise along the two guide holes 4251 while sliding rightwards, and when the lifting beam 423 ascends to a maximum height position, the track sliding block 426 rotates from a vertical position to a horizontal position, the follower platform is driven by the two track sliders 426 to rotate ninety degrees counterclockwise, and the two clamping rollers 442 rotate from the vertical state to the horizontal state, so that the flanging operation is completed, and the lower cylinder edge of the cylindrical workpiece is turned out ninety degrees.

As shown in fig. 2 and 8, the hemming die apparatus 5 includes a second carry table 51 and a carry hemming mechanism 52, the second carry table 51 includes a sliding frame 513 which is rotatably and radially arranged along the inner support rotating apparatus 2, the second carry table 51 further includes a second sliding seat 511 welded on the table top of the processing table 1 and a second adjusting shaft 512 horizontally rotatably installed on the second sliding seat 511, the sliding frame 513 is slidably installed on the second sliding seat 511 and is in threaded connection with the second adjusting shaft 512; the carry hemming mechanism 52 comprises a carry cylinder 521 horizontally fixed on the sliding frame 513 through a bolt, a vertical adjusting rail 522 fixed at the output end of the carry cylinder 521, a lifting plate 523 vertically slidably adjusted and installed on the vertical adjusting rail 522, and a hemming roller 525 vertically rotatably installed on the lifting plate 523, wherein waist-shaped holes 5221 are formed in two sides of the vertical adjusting rail 522, a through bolt 5231 penetrating through the waist-shaped holes 5221 in two sides is horizontally arranged on the lifting plate 523, and two ends of the through bolt 5231 are respectively in threaded connection with a locking nut 524 in a matching manner and used for being tightly attached to and locked with the outer side wall of the vertical adjusting rail 522; the center pin of rotation of adjustable internal stay mechanism 23 and crimping roller 525 all is perpendicular with carry cylinder 521's output direction, make in carry process crimping roller 525 be close to the motion towards the position at electric turntable 21 center all the time, be provided with a plurality ofly on crimping roller 525 and be the hem shaping groove 5251 of revolution mechanic and size difference, in this embodiment, specifically contain four hem shaping grooves 5251, and four hem shaping grooves 5251's from the top down size crescent, four hem shaping grooves 5251 are for corresponding four kinds of different hem ranges commonly used, when can not satisfy the hem and use the needs, the accessible is changed corresponding crimping roller 525 of hem shaping groove 5251 can.

When the curling is performed on the cylindrical workpieces with different sizes and different curling amplitudes, the position of the lower cylindrical edge of the cylindrical workpiece after being sleeved is determined, the position avoiding requirement and the limitation of the stroke of the carry cylinder 521 are considered, the distance from the curling roller 525 to the rotating shaft 21 of the electric turntable can be adjusted through the second carry table 51 on the basis of the determined position, the adjustment process of the first carry table 41 is the same, the sliding frame 513 is driven to slide along the second sliding seat 511 by rotating the second adjusting shaft 512, the curling roller 525 is driven to move along with the sliding frame, and finally the curling cylinder is located on the outer side of the cylindrical workpiece, and the distance from the cylindrical wall of the curling cylinder is within the stroke range of the carry cylinder 521 for curling.

For different curling amplitudes, the required curling forming groove 5251 needs to be adjusted to a state of a position to be worked, specifically, the lifting plate 523 can slide along the vertical adjusting rail 522 by loosening the locking nut 524 on any side to drive the curling roller 525 to move along with the lifting plate, the required curling forming groove 5251 is adjusted to a corresponding position height, then the locking nut 524 is locked again to determine the height position, and after the adjustment, the lower cylinder edge after the flanging is completed can be just aligned to the lower edge of the curling forming groove 5251.

After flanging is finished, the withdrawing cylinder 431 is started to drive the motor fixing plate 432 to move towards the direction close to the follow-up flat plate 427, and then the flanged lower bobbin edge is drawn out from the gap between the two clamping rollers 442, so that interference is avoided during flanging, and the position height of the cylindrical workpiece is unchanged after the clamping rollers 442 are withdrawn due to the fact that the cylindrical workpiece is in an inner support clamping state, namely the flanged lower bobbin edge is still aligned to the required height of the flanging forming groove 5251; when the hemming is performed, on one hand, the cylindrical workpiece still keeps rotating along with the electric turntable 21, on the other hand, the carry cylinder 521 drives the vertical adjusting rail 522, the lifting plate 523 and the hemming barrel to integrally move towards the direction close to the cylindrical workpiece, along with the movement, the lower hemming-forming groove 5251 extends into the hemming-forming groove, and along with the continuous forward carry, the hemming-forming groove 5251 enables the lower hemming-forming groove to complete automatic hemming-forming in a force-applying and extruding mode.

The invention provides a hemming processing machine for manufacturing a metal packing box, which mainly carries out hemming processing on a metal cylinder of a cylindrical metal packing box, and gives a forming state change process that a cylinder workpiece is sequentially subjected to flanging forming by a flanging device 4 and hemming forming by a hemming die device 5 as shown in figure 9. In the hemming process machinery of the invention, the inner support rotating device 2 can clamp and position the cylindrical workpiece and can drive the cylindrical workpiece to rotate synchronously, the lower barrel edge of the cylindrical workpiece can be supported and limited by the arranged limiting supporting plate component 3, the flanging operation can be automatically completed on the lower barrel edge of the cylindrical workpiece by the flanging device 4, the automatic hemming process can be completed on the basis of flanging by the hemming die device 5, compared with the existing hemming process machinery which can only perform hemming process on the cylindrical workpiece of a metal packing box with a specific size, the machinery provided by the invention can perform adaptive adjustment process on the cylindrical workpieces with different diameter sizes and different hemming amplitudes, and the arranged inner support rotating device 2, the limiting supporting plate component 3, the plate turnover device and the hemming die device 5 can perform corresponding adjustment around the cylindrical workpiece with the same structure size, the metal packing box has high adaptability, can meet the curling processing requirements of metal packing boxes with various design sizes, and is convenient and quick in debugging process.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. The utility model provides a metal package box preparation turn-up processing machinery which characterized in that: the device comprises a processing table (1), an inner support rotating device (2) assembled on the table top of the processing table (1), a plurality of limiting supporting plate assemblies (3) assembled on the table top of the processing table (1), a flanging device (4) assembled on the table top of the processing table (1) and a hemming die device (5) assembled on the table top of the processing table (1); the plurality of limiting supporting plate assemblies (3), the flanging devices (4) and the hemming die devices (5) are distributed around the inner support rotating device (2); wherein:

the inner support rotating device (2) comprises an adjustable inner support mechanism (23) which is vertically rotatably output and mounted and has an adjustable inner support diameter;

the flanging device (4) comprises a first carry table (41), a flanging execution mechanism (42), a return mechanism (43) and an edge clamping mechanism (44); the first carry table (41) comprises a sliding platform (413) which is arranged along the inner support rotating device (2) in a rotating and radial sliding mode, the flanging executing mechanism (42) comprises a cylinder frame (421) fixedly installed on the sliding platform (413), a lifting cylinder (422) is vertically and fixedly installed at the top end of the cylinder frame (421), a lifting beam (423) is horizontally installed at the output end of the lifting cylinder (422), two traction guide rods (424) are horizontally and slidably installed on the lifting beam (423), the axial direction of the traction guide rods (424) is arranged along the sliding direction of the sliding platform (413), two track guide frames (425) are arranged on the sliding platform (413) in parallel to the sliding direction of the sliding platform, track sliders (426) are arranged on the two track guide frames (425) in a matched mode, and the two traction guide rods (424) are hinged to the two track sliders (426) in a one-to-one correspondence mode, the track guide frame (425) is provided with two concentric guide holes (4251) which are of a quarter-circle arc structure, and the track sliding block (426) is provided with two driven pins (4261) which correspondingly penetrate through the two guide holes (4251) one by one; a follow-up flat plate (427) is fixedly arranged between the two track sliding blocks (426); the withdrawing mechanism (43) is assembled on the follow-up flat plate (427), and the withdrawing mechanism (43) comprises a motor fixing plate (432) which is arranged along the radial direction of the guide hole (4251); the edge clamping mechanism (44) comprises a driving motor (441) fixedly arranged on the motor fixing plate (432) and two clamping rollers (442) rotatably arranged on the motor fixing plate (432); the shafts of the two clamping rollers (442) are provided with gears (4421), and the two gears (4421) are meshed with each other; when the follow-up flat plate (427) is in a horizontal state, the two clamping rollers (442) are positioned above the motor fixing plate (432) and are in a vertical state, and the two clamping rollers (442) are distributed along the rotation radial direction of the inner support rotating device (2);

the hemming die device (5) comprises a second number carrying table (51) and a carrying hemming mechanism (52), the second carry platform (51) comprises a sliding frame (513) which is arranged along the rotary radial direction of the inner support rotating device (2) in a sliding way, the carry crimping mechanism (52) comprises a carry cylinder (521) horizontally fixed on the sliding frame (513), a vertical adjusting rail (522) fixed at the output end of the carry cylinder (521), a lifting plate (523) vertically installed on the vertical adjusting rail (522) in a sliding adjusting mode, and a crimping roller (525) vertically and rotatably installed on the lifting plate (523), the rotating central shaft of the adjustable inner supporting mechanism (23) and the central shaft of the hemming roller (525) are both vertical to the output direction of the carry cylinder (521), the hemming roller (525) is provided with a plurality of hemming forming grooves (5251) which are of rotary structures and different in size.

2. A metal packing box making hemming working machine according to claim 1, characterized in that: the inner support rotating device (2) further comprises an electric turntable (21) fixedly arranged on the table surface of the processing table (1) and a heightening cylinder (22) fixedly arranged on the rotating end surface of the electric turntable (21); the adjustable inner support mechanism (23) comprises an adjusting guide frame (231), an inner support adjusting component (232) assembled on the adjusting guide frame (231) and a plurality of inner support arms (233) assembled on the inner support adjusting component (232); the adjusting guide frame (231) is fixedly arranged at the top end of the heightening cylinder (22), and the plurality of inner supporting arms (233) are uniformly distributed around the circumference of a rotating shaft of the electric rotary table (21).

3. A metal packing box making hemming working machine according to claim 2, characterized in that: the adjusting guide frame (231) comprises two end discs (2311) and a plurality of guide posts (2312) fixedly connected between the two end discs (2311), the two end discs (2311) are horizontally arranged and vertically distributed, and the end disc (2311) positioned at the lower position is fixedly connected to the top end of the heightening cylinder (22); the inner support adjusting assembly (232) comprises an adjusting motor (2321) fixedly mounted at the top end of the end head disc (2311) at the upper position, a bidirectional screw rod (2322) vertically and rotatably mounted between the two end head discs (2311), two stroke discs (2323) which are in one-to-one correspondence and are in threaded connection with two thread sections of the bidirectional screw rod (2322), and two groups of connecting rods (2324) which are in one-to-one correspondence and are arranged on the two stroke discs (2323); the bidirectional screw (2322) is fixedly connected with an output shaft of the adjusting motor (2321), a central shaft of the bidirectional screw (2322) is overlapped with a rotation central shaft of the electric rotary table (21), the two stroke discs (2323) are in sliding fit with the guide columns (2312), the number of the connecting rods (2324) in each group is equal to that of the inner supporting arms (233), the connecting rods (2324) in each group are hinged to the stroke discs (2323) and are uniformly distributed around the circumference of the central shaft of the bidirectional screw (2322), the two groups of connecting rods (2324) are arranged in a vertically one-to-one correspondence manner, and the two connecting rods (2324) in each pair of relative positions are hinged to the inner supporting arms (233).

4. A metal packing box making hemming working machine according to claim 1, characterized in that: the withdrawing mechanism (43) further comprises a withdrawing cylinder (431) fixedly mounted on the follow-up flat plate (427) and a plurality of sliding rods (433) vertically and fixedly mounted on the same plate surface of the motor fixing plate (432), the motor fixing plate (432) is fixedly connected with the output end of the withdrawing cylinder (431), and the sliding rods (433) are in sliding fit with the follow-up flat plate (427).

5. A metal packing box making hemming working machine according to claim 1, characterized in that: the both sides of vertical regulation rail (522) are provided with waist type hole (5221), lifter plate (523) are improved level and are provided with from both sides waist type hole (5221) pass run through insert screw rod (5231), it has lock nut (524) that are used for with the laminating locking of vertical regulation rail (522) lateral wall to run through the equal cooperation threaded connection in insert screw rod (5231) both ends.

6. A metal packing box making hemming working machine according to claim 1, characterized in that: spacing layer board subassembly (3) are including fixed mounting vertical guide frame (31), vertical rotation on processing platform (1) mesa are installed adjusting screw (32) and vertical sliding fit on vertical guide frame (31) are installed spacing layer board (33) on vertical guide frame (31), spacing layer board (33) level set up and with adjusting screw (32) threaded connection.

7. A metal packing box making hemming working machine according to claim 1, characterized in that: the first carry table (41) further comprises a first sliding seat (411) fixedly installed on the table top of the processing table (1) and a first adjusting shaft (412) horizontally and rotatably installed on the first sliding seat (411), and the sliding platform (413) is slidably installed on the first sliding seat (411) and is in threaded connection with the first adjusting shaft (412); no. two carry platform (51) still including fixed mounting process No. two sliding seat (511) on platform surface of platform (1) and level rotate and install No. two regulating spindle (512) on No. two sliding seat (511), carriage (513) slidable mounting be in No. two sliding seat (511) on and with No. two regulating spindle (512) threaded connection.

8. A metal packing box producing hemming working machine according to any one of claims 2 and 3, characterized in that: the inner supporting arm (233) is sequentially provided with a bending section and a vertical section from top to bottom, the bending section is in arc transition with the vertical section, and the bending section is deviated to one side of a rotary central shaft of the electric rotary table (21); the contact end face of the inner supporting arm (233) is of an arc structure, and a silica gel layer covers the contact end face of the inner supporting arm (233).