CN111979649A - A roll-in hemming machine for sewing up fire control dryer - Google Patents

Abstract

The invention discloses a rolling hemming machine for sewing a fire-fighting air duct, which comprises a rolling frame and a rolling assembly, wherein the rolling frame is respectively provided with a first rolling frame plate, a second rolling frame plate and a third rolling frame plate, the third rolling frame plate is provided with a through chain through groove, each of the first rolling frame plate, the second rolling frame plate and the third rolling frame plate is a pair of rolling frame plates, two ends of the rolling frame are respectively provided with a pair of rolling frame plates, the pair of first rolling frame plates and the second rolling frame plates are respectively assembled with a rolling output shaft of a rolling motor in a circumferential rotating manner, the rolling motor is arranged on the rolling frame, and the rolling output shaft is sleeved with a rolling chain wheel; the other pair of first rolling frame plates and the second rolling frame plates are respectively assembled with the rolling chain wheel shaft in a circumferential rotating mode, and the rolling chain wheel shaft is sleeved with the other rolling chain wheel; the chain respectively rounds the two rolling chain wheels and forms a chain transmission mechanism with the chain, and the two ends of the chain respectively penetrate through the chain through groove and then are assembled and fixed with the two ends of the rolling slide block of the rolling component.

Description

A roll-in hemming machine for sewing up fire control dryer

Technical Field

The invention relates to a fire-fighting air duct processing technology, in particular to a rolling edge sewing machine for sewing a fire-fighting air duct.

Background

The current stitching method of the fire-fighting smoke exhaust duct (this case is simply referred to as fire-fighting duct) is as follows:

1. two bending plates 01 are mutually buckled to form a rudiment;

2. the hemming portion 011 of the bending plate 01 is knocked to enable the hemming portion 011 to bend towards the clamping portion 012 to form a first hemming portion 013, and the first hemming portion 013 and the hemming portion 011 tightly clamp the clamping portion 012, so that the whole fire-fighting air duct is sewn.

When the fire-fighting wind barrel is sewed, the edges are manually knocked, the efficiency is extremely low, the quality is good and uneven, and the quality control is very difficult. In addition, the edge seam is struck in such a way that the first bead portion 013 does not press completely against the grip portion 012, which results in incomplete seaming of the fire dryer tube. To this end, the inventor proposes a roll hemming machine for sewing a fire fighting air duct, which processes a first hem portion 013 by rolling, so that the first hem portion 013 is better attached to a grip portion 012, to improve the processing quality.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a roll hemming machine for sewing a fire fighting air duct.

In order to achieve the purpose, the invention provides a rolling hemming machine for sewing a fire-fighting air duct, which comprises a rolling frame and a rolling assembly, wherein the rolling frame is respectively provided with a first rolling frame plate, a second rolling frame plate and a third rolling frame plate, the third rolling frame plate is provided with a through chain through groove, each of the first rolling frame plate, the second rolling frame plate and the third rolling frame plate is a pair of rolling frame plates, two ends of the rolling frame are respectively provided with a pair of rolling frame plates, one pair of the first rolling frame plate and the second rolling frame plate are respectively assembled with a rolling output shaft of a rolling motor in a circumferential rotating manner, the rolling motor is arranged on the rolling frame, and the rolling output shaft is sleeved with a rolling chain wheel; the other pair of first rolling frame plates and the second rolling frame plates are respectively assembled with a rolling chain wheel shaft in a circumferential rotating mode, and the rolling chain wheel shaft is sleeved with the other rolling chain wheel; the chain respectively rounds the two rolling chain wheels to form a chain transmission mechanism, two ends of the chain respectively penetrate through the chain through groove and then are assembled and fixed with two ends of the rolling sliding block of the rolling assembly, and the rolling assembly is used for rolling the hemming portion to obtain a first hemming portion.

Preferably, the rolling assembly comprises a rolling vertical plate, a rolling sliding block, a first rolling mounting block and a second rolling mounting block, the rolling vertical plate, the first rolling mounting block and the second rolling mounting block are all mounted on the rolling sliding block, a rolling sliding groove is formed in the rolling sliding block, the rolling sliding groove is clamped with a rolling guide rail and can be assembled in a sliding mode, the rolling guide rail is mounted on a rolling bottom plate, and the rolling bottom plate is mounted on a rolling frame; the rolling slide block is also provided with a rolling guide block, the rolling guide block is provided with a rolling guide chute, the rolling guide chute is clamped with the rolling slide block and can be assembled in a sliding manner, the rolling slide block is arranged on a rolling wheel carrier, a fifth rolling shaft is arranged on the rolling wheel carrier, and a second rolling wheel is sleeved on the fifth rolling shaft in a circumferential rotating manner; the rolling wheel frame is fixedly assembled with one end of a fourth rolling shaft, the other end of the fourth rolling shaft penetrates through the rolling vertical plate and then is fixedly assembled with the rolling power block, and the fourth rolling shaft can axially slide relative to the rolling vertical plate;

the first rolling mounting block and the second rolling mounting block are respectively assembled with a third rolling shaft and a second rolling shaft, two ends of the third rolling shaft respectively penetrate out of the rolling vertical plate and the first rolling mounting block, one end of the third rolling shaft penetrating out of the rolling vertical plate is assembled and fixed with another rolling power block, and one end of the third rolling shaft penetrating out of the first rolling mounting block is circumferentially and rotatably assembled with the third rolling wheel; the upper end surface and the lower end surface of the rolling power block are respectively provided with a rolling side pushing shaft, and a rolling roller is sleeved on the rolling side pushing shaft in a circumferentially rotatable manner; and two ends of the second rolling shaft penetrate out of the second rolling mounting block respectively, one end of the second rolling shaft, which is close to the rolling power block, is fixedly assembled with the rolling gear, and the other end of the second rolling shaft is fixedly assembled with the fourth rolling wheel.

Preferably, a plurality of rolling convex strips distributed along the circumferential direction of the fourth rolling wheel are arranged on the side wall of the fourth rolling wheel.

Preferably, the rolling slide block is further provided with at least three first rolling shafts, each rolling shaft is sleeved with a first rolling wheel, the second rolling wheel, the third rolling wheel and the fourth rolling wheel respectively correspond to one first rolling wheel, and the minimum distance between the fourth rolling wheel and the corresponding first rolling wheel is equal to or larger than the total thickness of the hemming portion, the clamping portion and the first hemming portion.

Preferably, the rolling frame is further provided with a first rolling push plate and a second rolling push plate, the first rolling push plate and the second rolling push plate are respectively provided with a first rolling push groove and a second rolling push groove, the first rolling push groove and the second rolling push groove are respectively clamped with rolling rollers at two ends of each rolling power block and can be assembled in a sliding mode, the first rolling push groove and the second rolling push groove are identical in structure, the second rolling push groove comprises a first straight groove part, a second straight groove part and a chute part which is connected with the first straight groove part and the second straight groove part in a smooth mode, and the second straight groove part is closer to the clamping mechanism than the first straight groove part.

Preferably, the second rolling push plate is further provided with a tooth space part, the tooth space part forms a rolling rack on the second rolling push plate, and the rolling rack is meshed with the rolling gear to form a gear rack transmission mechanism.

Preferably, the device further comprises a vertical plate, a table plate is mounted at the top of the vertical plate, a first shaft plate, a second shaft plate and a connecting table are mounted on the table plate respectively, a top plate is mounted on the connecting table, the first shaft plate and the second shaft plate are fixedly assembled with a guide shaft respectively, the guide shaft penetrates through the rolling side plate and can be assembled with the rolling side plate in an axial sliding mode, and a rolling frame is mounted on the rolling side plate; the rolling side plate is also fixedly assembled with one end of a rolling telescopic shaft, and the other end of the rolling telescopic shaft is arranged in the rolling electric cylinder.

Preferably, the table further comprises a clamping mechanism, the clamping mechanism comprises a positioning block arranged on the table plate, the positioning block and the positioning rotating shaft can be assembled in a circumferential rotating mode, at least two positioning grooves with 180-degree intervals are formed in the side wall of the positioning rotating shaft, and the positioning grooves can be assembled with one end of the positioning sliding block in a clamping mode, so that the positioning rotating shaft is fixed relatively in the circumferential direction;

the other end of the positioning sliding block penetrates through the positioning sliding block hole and then is installed in the positioning spring groove and is fixedly assembled with the positioning limiting block, and the positioning limiting block cannot be installed in the positioning sliding block hole; the positioning spring groove and the positioning sliding block hole are both arranged in the positioning block, the positioning limiting block is fixed at one end of the positioning lock rod, and the other end of the positioning lock rod is sleeved with the positioning pressure spring and then penetrates out of the positioning block to be assembled and fixed with the pedal.

Preferably, the number of the positioning blocks is two, the two positioning blocks correspond to different positioning rotating shafts respectively, one end of each positioning rotating shaft penetrates through the positioning block and then is assembled and fixed with one first clamping side plate, the two first clamping side plates are respectively installed at two ends of the clamping bottom plate, the clamping bottom plate is also provided with a supporting table and a second clamping side plate respectively, the second clamping side plate and the first clamping side plate far away from one end of the second clamping side plate can be assembled with the clamping screw rod in a circumferential rotation mode and cannot move axially, one end of the clamping screw rod penetrates through the second clamping side plate and then is connected and fixed with an output shaft of a clamping motor, and the clamping motor is installed on the clamping bottom plate;

the clamping screw rods respectively penetrate through one clamping side plate, the supporting table and the other clamping side plate, the clamping screw rods are respectively assembled with the two clamping side plates in a screwing mode through threads, and the screwing directions of the clamping screw rods and the threads of the two clamping side plates in the screwing mode are opposite; the clamping screw rod and the supporting platform can be assembled in a circumferential rotating mode.

Preferably, the two sides of the clamping side plate are respectively provided with a clamping vertical plate, an internal supporting block is arranged on the clamping side plate and between the two clamping vertical plates, and the internal supporting block is clamped in the wind eliminating cylinder and is clamped and assembled with the wind eliminating cylinder to support and clamp the fire fighting air cylinder;

the clamping vertical plate is clamped with the clamping sliding shaft and can be axially assembled in a sliding mode, one end of the clamping sliding shaft is sleeved with the clamping pressure spring and then is fixedly assembled with the clamping plate, the other end of the clamping sliding shaft penetrates through the clamping vertical plate and then is fixedly assembled with the first nut, and the first nut cannot penetrate through the clamping vertical plate; the clamping plate is tightly pressed on the side surface of the fire-fighting air duct, and the pressing force is provided by the compression elasticity of the clamping pressure spring; the open end of the clamping vertical plate is provided with a flaring, and the flaring part is used for guiding the fire-fighting air duct to be arranged on the inner side of the clamping vertical plate;

the bottom of the clamping side plate is provided with a side plate sliding groove, the side plate sliding groove is clamped and slidably arranged on a side plate sliding rail, and the side plate sliding rail is arranged on the clamping bottom plate.

The invention has the beneficial effects that:

the invention has simple structure and small size, and can realize portable transportation. In addition, the first crimping part is processed in a rolling mode, so that the first crimping part can be well pressed on the clamping part, and a better hemming effect is achieved. Meanwhile, compared with the traditional method of knocking the edge, the rolling method improves the efficiency by at least 3 times and more, and the product quality is higher and more uniform and stable.

Drawings

Fig. 1-3 are schematic structural views of the present invention.

Fig. 4 is a sectional view of the center plane of the axis of the clamping slide.

FIG. 5 is a cross-sectional view of the detent lever at a central plane of the axis.

Fig. 6 is a schematic view of the structure of the clamping mechanism.

Fig. 7-10 are schematic structural diagrams of the chain, the first power plate, the second power plate and the rolling assembly.

Fig. 11 to 15 are schematic structural views of the rolling assembly. Fig. 13, 14 and 15 are cross-sectional views of the central plane where the axes of the second rolling shaft, the third rolling shaft and the fourth rolling shaft are located, respectively.

Fig. 16 is a schematic structural view of a fire-fighting air duct without a seam edge.

Fig. 17 is a schematic structural view of the fire-fighting air duct after edge sewing.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 16 to 17, the present embodiment is used for processing a fire fighting air duct, and the specific processing steps are as follows:

1. the two bending plates 01 are mutually buckled, and the rudiment of the fire-fighting air duct is spliced;

2. the hemming portion 011 is struck so that the hemming portion 011 is bent toward the grip portion 012 to form a first hemming portion 013, and the first hemming portion 013 and the hemming portion 011 grip the grip portion 012 to realize hemming.

Referring to fig. 1 to 15, the roll hemming machine of the present embodiment includes a vertical plate 110, a table 120 is installed on the top of the vertical plate 110, a first shaft plate 131, a second shaft plate 132 and a connecting table 140 are respectively installed on the table 120, a top plate 150 is installed on the connecting table 140, the first shaft plate 131 and the second shaft plate 132 are respectively assembled and fixed with a guide shaft 240, the guide shaft 240 penetrates through a roll side plate 660 and is axially assembled with the roll side plate, a roll frame 630 is installed on the roll side plate 660, a first roll frame plate 631, a second roll frame plate 632 and a third roll frame plate 633 are respectively installed on the roll frame 630, a through chain through groove 6331 is installed on the third roll frame plate 633, each of the first roll frame plate 631, the second roll frame plate 632 and the third roll frame plate 631 is a pair of roll frame plates, and two ends of the roll frame plate 630 are respectively provided with a pair of roll frame plates, wherein a pair of the first roll frame plates, a pair of, The second rolling frame plate 632 is respectively assembled with the rolling output shaft 331 of the rolling motor 330 in a circumferential rotation manner, the rolling motor 330 is arranged on the rolling frame 630, and the rolling output shaft 331 is sleeved with a rolling chain wheel 520; the other pair of the first rolling frame plate 631 and the second rolling frame plate 632 are respectively assembled with the rolling sprocket shaft 280 in a circumferential rotation manner, and the rolling sprocket shaft 280 is sleeved with the other rolling sprocket 520; the chain 530 respectively bypasses the two rolling sprockets 520 to form a chain transmission mechanism, and two ends of the chain 530 respectively pass through one chain through groove 6331 and then are assembled and fixed with two ends of the rolling slider 720 of the rolling assembly 700.

The rolling assembly 700 comprises a rolling vertical plate 710, a rolling sliding block 720, a first rolling mounting block 740 and a second rolling mounting block 750, the rolling vertical plate 710, the first rolling mounting block 740 and the second rolling mounting block 750 are all mounted on the rolling sliding block 720, a rolling sliding groove 721 is arranged on the rolling sliding block 720, the rolling sliding groove 721 is clamped with a rolling guide rail 540 and can be assembled in a sliding manner, the rolling guide rail 540 is mounted on a rolling bottom plate 670, and the rolling bottom plate 670 is mounted on a rolling frame 630; the rolling guide block 720 is further provided with a rolling guide block 730, the rolling guide block 730 is provided with a rolling guide chute 731, the rolling guide chute 731 is clamped with a rolling slide block 761 and can be assembled in a sliding mode, the rolling slide block 761 is arranged on a rolling wheel frame 760, a fifth rolling shaft 850 is arranged on the rolling wheel frame 760, and a second rolling wheel 560 is sleeved on the fifth rolling shaft 850 in a circumferentially rotatable mode; the rolling wheel frame 760 and one end of the fourth rolling shaft 840 are fixedly assembled, the other end of the fourth rolling shaft 840 penetrates through the rolling vertical plate 710 and then is fixedly assembled with the rolling power block 770, and the fourth rolling shaft 840 can axially slide relative to the rolling vertical plate 710, so that the rolling wheel frame 760 is driven to synchronously move.

The first rolling mounting block 740 and the second rolling mounting block 750 are respectively assembled with the third rolling shaft 830 and the second rolling shaft 820, two ends of the third rolling shaft 830 respectively penetrate through the rolling vertical plate 710 and the first rolling mounting block 740, one end of the third rolling shaft 830 penetrating through the rolling vertical plate 710 is fixedly assembled with the other rolling power block 770, and one end of the third rolling shaft 830 penetrating through the first rolling mounting block 740 is circumferentially and rotatably assembled with the third rolling wheel 570; the upper end surface and the lower end surface of the rolling power block 770 are respectively provided with a rolling side pushing shaft 860, and a rolling roller 870 is sleeved on the rolling side pushing shaft 860 in a circumferential rotation manner; two ends of the second rolling shaft 820 respectively penetrate through the second rolling mounting block 750, one end of the second rolling shaft 820, which is close to the rolling power block 770, is fixedly assembled with the rolling gear 590, the other end of the second rolling shaft is fixedly assembled with the fourth rolling wheel 580, and a plurality of rolling convex strips 581 distributed along the circumferential direction of the fourth rolling wheel 580 are arranged on the side wall of the fourth rolling wheel 580;

the rolling sliding block 720 is further provided with at least three first rolling shafts 810, each rolling shaft 810 is sleeved with a first rolling wheel 550, in the embodiment, the second rolling wheel, the third rolling wheel and the fourth rolling wheel respectively correspond to one first rolling wheel 550, and the minimum distance between the fourth rolling wheel and the corresponding first rolling wheel 550 is equal to or slightly larger than the total thickness of the hemming portion 011, the clamping portion 012 and the first hemming portion 013. When the hemming device is used, the first rolling wheel 550 is tightly attached to the outer end face of the hemming portion 011, which is far away from one end of the first hemming portion 013, and the second rolling wheel bends the end, needing to be processed into the first hemming portion 013, of the hemming portion 011 through thrust; the third roller pressing wheel continuously bends the bent first crimping part 013 towards the clamping part 012, and finally bends the first crimping part 013 to be close to the position tightly attached to the clamping part 012; the fourth press roller rolls the first crimping portion 013 directly by being engaged with the first press roller 550 corresponding thereto, so that the first crimping portion 013 is pressed against the grip portion 012, thereby completing the hemming. Further, the rolling of the protruding strip 581 forms intermittent impressions, indentations, on the first hem portion 013, thereby allowing the first hem portion 013 to be better pressed against the grip portion 012.

The first rolling push plate 640 and the second rolling push plate 650 are respectively mounted on the rolling frame 630, the first rolling push plate 640 and the second rolling push plate 650 are respectively provided with a first rolling push groove 641 and a second rolling push groove 651, the first rolling push groove 641 and the second rolling push groove 651 are respectively clamped with rolling rollers 870 on two ends of each rolling power block 770 and can be assembled in a sliding mode, the first rolling push groove 641 and the second rolling push groove 651 are identical in structure, the second rolling push groove 651 comprises a first straight groove portion 6511, a second straight groove portion 6513 and a chute portion 6512 connected with the first straight groove portion 6511 and the second straight groove portion 6513 in a smooth mode, and the second straight groove portion 6513 is closer to the clamping mechanism than the first straight groove portion 6511. Thereby enabling the rolling roller 870 to drive the corresponding fourth rolling shaft 840 or third rolling shaft 830 to move axially when passing through the chute portion 6512. The second rolling push plate 650 is further provided with a tooth space portion 652, the tooth space portion 652 forms a rolling rack on the second rolling push plate 650, and the rolling rack is engaged with the rolling gear 590 to form a rack-and-pinion transmission mechanism.

When the edge is required to be rolled, the rolling motor is started to drive the chain 530 to run, and the chain 530 pulls the rolling slider 720 along the length direction of the rolling slide 540, so that the rolling assembly moves from the first straight groove portion 6511 to the second straight groove portion 6513. When the second rolling roller 560 approaches the hemming portion 011, the rolling roller 870 corresponding to the second rolling roller 560 enters the chute portion 6512, so that the chute portion 6512 drives the rolling roller 870 to move toward the hemming portion 011 as the rolling assembly moves, so that the second rolling roller 560 presses toward the hemming portion 011, to bend the first hemming portion 013 to be processed and the hemming portion 011, providing a basis for subsequently processing the first hemming portion 013. Then, the third roller 570 comes close to the first crimping portion 013 and at this time, the roller cylinder 870 corresponding to the second roller enters the tapered groove portion 6512, and the third roller 570 is moved toward the first crimping portion 013, thereby driving the first crimping portion 013 to continue bending toward the grip portion 012 until the first crimping portion 013 comes close to being parallel to the grip portion. Next, the fourth rolling wheel 580 comes close to the first hemming portion 013, then the fourth rolling wheel 580, the first rolling wheel 550 corresponding to the fourth rolling wheel 580 clamps the hemming portion 011, the clamping portion 012, the first hemming portion 013, and with the movement of the rolling slider, the rolling gear and the rolling rack are engaged to make the fourth rolling wheel 580 rotate circumferentially to roll the first hemming portion 013 continuously, thereby pressing the first hemming portion 013 on the clamping portion to complete hemming. The seaming method enables each part of the first crimping part 013 to be basically attached to the clamping part, so that the seaming effect is better, and in addition, the first rolling wheel 550 supports the bottom of the seaming part 011, so that the seaming part is higher in straightness and more attractive.

Preferably, the rolling side plate 660 is further assembled and fixed with one end of the rolling telescopic shaft 311, the other end of the rolling telescopic shaft 311 is installed in the rolling electric cylinder 310, and the rolling electric cylinder 310 can drive the rolling telescopic shaft 311 to move axially after being started, so that the rolling side plate 660 is driven to move synchronously, and the distance between the rolling component and the clamping mechanism can be adjusted.

Preferably, the table further comprises a clamping mechanism, the clamping mechanism comprises a positioning block 480 mounted on the table 120, the positioning block 480 is circumferentially and rotatably assembled with the positioning rotating shaft 260, at least two positioning grooves 261 which are spaced by 180 degrees are arranged on the side wall of the positioning rotating shaft 260, and the positioning grooves 261 can be snap-assembled with one end of the positioning slider 610, so that the positioning rotating shaft 260 is relatively fixed in the circumferential direction. The other end of the positioning sliding block 610 penetrates through the positioning sliding block hole 482 and then is arranged in the positioning spring groove 481 and is fixedly assembled with the positioning limiting block 611, and the positioning limiting block 611 cannot be arranged in the positioning sliding block hole 482. The positioning spring groove 481 and the positioning sliding block hole 482 are both arranged in the positioning block 480, the positioning limiting block 611 is fixed at one end of the positioning lock rod 220, and the other end of the positioning lock rod 220 is sleeved with the positioning spring 620, penetrates out of the positioning block 480 and is assembled and fixed with the pedal 210. The positioning compression spring 620 is used for applying elastic resistance to the positioning slide block 610 to prevent the positioning slide block from moving downwards, so that the positioning slide block is kept clamped with the positioning groove. When the limit of the positioning shaft 260 needs to be released, the pedal 210 is directly stepped to move the positioning lock rod 220 downwards until the positioning slide block 610 exits the positioning slot 261.

The number of the positioning blocks 480 is two, the two positioning blocks 480 correspond to different positioning rotating shafts 260 respectively, one end of each positioning rotating shaft 260 penetrates through the positioning block 480 and then is assembled and fixed with one first clamping side plate 470, the two first clamping side plates 470 are installed at two ends of the clamping bottom plate 160 respectively, a supporting table 161 and a second clamping side plate 460 are further installed on the clamping bottom plate 160 respectively, the second clamping side plate 460 and the first clamping side plate 470 at one end far away from the second clamping side plate 460 are assembled with the clamping screw 230 in a circumferential rotation and non-axial movement mode respectively, one end of the clamping screw 230 penetrates through the second clamping side plate 460 and then is fixedly connected with an output shaft of the clamping motor 320 through a coupler, the clamping motor 320 is installed on the clamping bottom plate 160, and the clamping motor 320 can drive the clamping screw 230 to rotate circumferentially after being started. The clamping screw 230 penetrates through one clamping side plate 420, the supporting platform 161 and the other clamping side plate 420 respectively, the clamping screw 230 is assembled with the two clamping side plates 420 in a screwing mode through threads, the screwing directions of the clamping screw 230 and the two clamping side plates 420 in the screwing mode are opposite, therefore, the two clamping side plates 420 can be driven to move close to or away from each other along the axial direction when the clamping screw 230 rotates in a single direction, and the clamping screw 230 and the supporting platform 161 can rotate circumferentially for assembly.

The two sides of the clamping side plate 420 are respectively provided with a clamping vertical plate 430, an internal supporting block 410 is arranged on the clamping side plate 420 and between the two clamping vertical plates 430, and the internal supporting block 410 is clamped in the fire extinguishing wind cylinder and is clamped and assembled with the fire extinguishing wind cylinder to support and clamp the fire extinguishing wind cylinder.

The clamping vertical plate 430 is clamped with the clamping sliding shaft 250 and can be axially assembled in a sliding manner, one end of the clamping sliding shaft 250 is sleeved with a clamping pressure spring 450 and then is assembled and fixed with the clamping plate 440, the other end of the clamping sliding shaft 250 penetrates through the clamping vertical plate 430 and then is assembled and fixed with a first nut 251, and the first nut cannot penetrate through the clamping vertical plate 430, so that the maximum distance between the clamping vertical plate 430 and the clamping plate 440 is limited. The clamping plate 440 is pressed against the side of the fire-fighting air duct, and the pressing force is provided by the compression elasticity of the clamping compression spring 450. The open end of the clamping vertical plate 430 is provided with a flared part 431, and the flared part 431 is used for guiding the fire-fighting air duct to be installed inside the clamping vertical plate 430.

Preferably, the bottom of the clamping side plate 420 is provided with a side plate sliding groove 421, the side plate sliding groove 421 is engaged with and slidably mounted on a side plate sliding rail 510, and the side plate sliding rail 510 is mounted on the clamping bottom plate 160. When the clamping device is used, the clamping screw 230 can drive the clamping side plate 420 to move along the axial direction of the clamping side plate through the matching of the side plate sliding groove 421 and the side plate sliding rail 510.

When the fire-fighting air duct is processed, the two clamping side plates 420 are firstly moved away from each other, so that enough space is reserved between the two clamping side plates 420 for the fire-fighting air duct. Then the two bending plates 01 are respectively placed on the supporting platform 161 and assembled in place, and the edge-sewn part 011 can be manually knocked, so that the two bending plates 01 are fastened to obtain a prototype of the fire-fighting air duct. Then, the two clamping side plates 420 are driven to move close to each other, so that the two clamping side plates 420 are respectively attached to two ends of the fire-fighting air duct, the internal supporting block 410 is arranged in the fire-fighting air duct, and the clamping plates 440 on two sides are respectively pressed on two sides of the fire-fighting air duct through the elasticity of the clamping pressure spring 450, thereby realizing clamping and positioning of two ends of the fire-fighting air duct.

Because two positions of the fire-fighting air duct need to be sewed, after one position of the fire-fighting air duct is sewed, the pedal is stepped on by feet, then the rolling electric cylinder 310 is started, and the rolling electric cylinder 310 pulls the rolling assembly 700 towards the direction far away from the clamping mechanism, so that the clamping mechanism can rotate. And manually driving the clamping mechanism to rotate 180 degrees and then releasing the pedal, so that the positioning rotating shaft is locked again. And then the rolling electric cylinder is started to drive the rolling component 700 to reset, and then rolling can be started. In this embodiment, the axis of the positioning shaft 260 is on the center line of the interior of the fire-fighting air duct, so that the position of the rotated seam to be sewn and the position of the former seam relative to the rolling assembly are the same, which does not affect the processing.

The invention is not described in detail, but is well known to those skilled in the art.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. The utility model provides a roll-in hemming machine for sewing up fire control dryer which characterized by: the automatic rolling device comprises a rolling frame and a rolling assembly, wherein a first rolling frame plate, a second rolling frame plate and a third rolling frame plate are respectively arranged on the rolling frame, a chain through groove penetrating through the third rolling frame plate is arranged on the third rolling frame plate, each first rolling frame plate, each second rolling frame plate and each third rolling frame plate are a pair of rolling frame plates, a pair of rolling frame plates are respectively arranged at two ends of the rolling frame, the pair of first rolling frame plates and the pair of second rolling frame plates are respectively assembled with a rolling output shaft of a rolling motor in a circumferential rotating mode, the rolling motor is arranged on the rolling frame, and a rolling chain wheel is sleeved on the rolling output shaft; the other pair of first rolling frame plates and the second rolling frame plates are respectively assembled with a rolling chain wheel shaft in a circumferential rotating mode, and the rolling chain wheel shaft is sleeved with the other rolling chain wheel; the chain respectively rounds the two rolling chain wheels to form a chain transmission mechanism, two ends of the chain respectively penetrate through the chain through groove and then are assembled and fixed with two ends of the rolling sliding block of the rolling assembly, and the rolling assembly is used for rolling the hemming portion to obtain a first hemming portion.

2. A roller hemming machine according to claim 1 wherein: the rolling assembly comprises a rolling vertical plate, a rolling sliding block, a first rolling mounting block and a second rolling mounting block, the rolling vertical plate, the first rolling mounting block and the second rolling mounting block are all mounted on the rolling sliding block, a rolling sliding groove is formed in the rolling sliding block, the rolling sliding groove is clamped with a rolling guide rail and can be assembled in a sliding mode, the rolling guide rail is mounted on a rolling bottom plate, and the rolling bottom plate is mounted on a rolling frame; the rolling slide block is also provided with a rolling guide block, the rolling guide block is provided with a rolling guide chute, the rolling guide chute is clamped with the rolling slide block and can be assembled in a sliding manner, the rolling slide block is arranged on a rolling wheel carrier, a fifth rolling shaft is arranged on the rolling wheel carrier, and a second rolling wheel is sleeved on the fifth rolling shaft in a circumferential rotating manner; the rolling wheel frame is fixedly assembled with one end of a fourth rolling shaft, the other end of the fourth rolling shaft penetrates through the rolling vertical plate and then is fixedly assembled with the rolling power block, and the fourth rolling shaft can axially slide relative to the rolling vertical plate;

the first rolling mounting block and the second rolling mounting block are respectively assembled with a third rolling shaft and a second rolling shaft, two ends of the third rolling shaft respectively penetrate out of the rolling vertical plate and the first rolling mounting block, one end of the third rolling shaft penetrating out of the rolling vertical plate is assembled and fixed with another rolling power block, and one end of the third rolling shaft penetrating out of the first rolling mounting block is circumferentially and rotatably assembled with the third rolling wheel; the upper end surface and the lower end surface of the rolling power block are respectively provided with a rolling side pushing shaft, and a rolling roller is sleeved on the rolling side pushing shaft in a circumferentially rotatable manner; and two ends of the second rolling shaft penetrate out of the second rolling mounting block respectively, one end of the second rolling shaft, which is close to the rolling power block, is fixedly assembled with the rolling gear, and the other end of the second rolling shaft is fixedly assembled with the fourth rolling wheel.

3. A roller hemming machine according to claim 2 wherein: and a plurality of rolling convex strips distributed along the circumferential direction of the fourth rolling wheel are arranged on the side wall of the fourth rolling wheel.

4. A roller hemming machine according to claim 2 wherein: the rolling slide block is also provided with at least three first rolling shafts, each rolling shaft is sleeved with a first rolling wheel, the second rolling wheel, the third rolling wheel and the fourth rolling wheel respectively correspond to one first rolling wheel, and the minimum distance between the fourth rolling wheel and the corresponding first rolling wheel is equal to or larger than the total thickness of the hemming part, the clamping part and the first hemming part.

5. A roller hemming machine according to claim 2 wherein: the rolling frame is further provided with a first rolling push plate and a second rolling push plate, the first rolling push plate and the second rolling push plate are respectively provided with a first rolling push groove and a second rolling push groove, the first rolling push groove and the second rolling push groove are respectively clamped with rolling rollers at two ends of each rolling power block and can be assembled in a sliding mode, the first rolling push groove and the second rolling push groove are identical in structure, the second rolling push groove comprises a first straight groove part, a second straight groove part and a chute part which is connected with the first straight groove part and the second straight groove part in a smooth mode, and the second straight groove part is closer to the clamping mechanism than the first straight groove part.

6. A roller hemming machine according to claim 5 wherein: and the second rolling push plate is also provided with a tooth space part, the tooth space part forms a rolling rack on the second rolling push plate, and the rolling rack is meshed with the rolling gear to form a gear rack transmission mechanism.

7. Roller hemming machine according to any one of claims 1 to 6 wherein: the guide shaft is assembled and fixed with the guide shaft respectively, the guide shaft penetrates through the rolling side plate and can be assembled with the rolling side plate in an axial sliding mode, and the rolling side plate is provided with a rolling frame; the rolling side plate is also fixedly assembled with one end of a rolling telescopic shaft, and the other end of the rolling telescopic shaft is arranged in the rolling electric cylinder.

8. A roller hemming machine according to claim 7 wherein: the clamping mechanism comprises a positioning block arranged on the table plate, the positioning block and the positioning rotating shaft can be assembled in a circumferential rotating mode, at least two positioning grooves with 180-degree intervals are formed in the side wall of the positioning rotating shaft, and the positioning grooves can be assembled with one end of a positioning sliding block in a clamping mode, so that the positioning rotating shaft is fixed relatively in the circumferential direction;

the other end of the positioning sliding block penetrates through the positioning sliding block hole and then is installed in the positioning spring groove and is fixedly assembled with the positioning limiting block, and the positioning limiting block cannot be installed in the positioning sliding block hole; the positioning spring groove and the positioning sliding block hole are both arranged in the positioning block, the positioning limiting block is fixed at one end of the positioning lock rod, and the other end of the positioning lock rod is sleeved with the positioning pressure spring and then penetrates out of the positioning block to be assembled and fixed with the pedal.

9. A roller hemming machine according to claim 8 wherein: the two positioning blocks correspond to different positioning rotating shafts respectively, one end of each positioning rotating shaft penetrates through the positioning blocks and then is fixedly assembled with one first clamping side plate, the two first clamping side plates are installed at two ends of a clamping bottom plate respectively, a supporting table and a second clamping side plate are further installed on the clamping bottom plate respectively, the second clamping side plate and the first clamping side plate far away from one end of the second clamping side plate can be assembled with a clamping screw rod in a circumferential rotation mode and cannot move axially respectively, one end of the clamping screw rod penetrates through the second clamping side plate and then is fixedly connected with an output shaft of a clamping motor, and the clamping motor is installed on the clamping bottom plate;

the clamping screw rods respectively penetrate through one clamping side plate, the supporting table and the other clamping side plate, the clamping screw rods are respectively assembled with the two clamping side plates in a screwing mode through threads, and the screwing directions of the clamping screw rods and the threads of the two clamping side plates in the screwing mode are opposite; the clamping screw rod and the supporting platform can be assembled in a circumferential rotating mode.

10. A roller hemming machine according to claim 9 wherein: the two sides of the clamping side plate are respectively provided with a clamping vertical plate, an internal supporting block is arranged on the clamping side plate and between the two clamping vertical plates, and the internal supporting block is clamped in the wind eliminating cylinder and is clamped and assembled with the wind eliminating cylinder to support and clamp the fire fighting air cylinder;

the clamping vertical plate is clamped with the clamping sliding shaft and can be axially assembled in a sliding mode, one end of the clamping sliding shaft is sleeved with the clamping pressure spring and then is fixedly assembled with the clamping plate, the other end of the clamping sliding shaft penetrates through the clamping vertical plate and then is fixedly assembled with the first nut, and the first nut cannot penetrate through the clamping vertical plate; the clamping plate is tightly pressed on the side surface of the fire-fighting air duct, and the pressing force is provided by the compression elasticity of the clamping pressure spring; the open end of the clamping vertical plate is provided with a flaring, and the flaring part is used for guiding the fire-fighting air duct to be arranged on the inner side of the clamping vertical plate;

the bottom of the clamping side plate is provided with a side plate sliding groove, the side plate sliding groove is clamped and slidably arranged on a side plate sliding rail, and the side plate sliding rail is arranged on the clamping bottom plate.

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