CN210581716U

CN210581716U - Overlock P-shaped beam and forming machine

Info

Publication number: CN210581716U
Application number: CN201920546685.8U
Authority: CN
Inventors: 燕思成
Original assignee: Nanjing Shiqi Shelf Profile Product Co ltd
Current assignee: Nanjing Shiqi Shelf Profile Product Co ltd
Priority date: 2019-04-20
Filing date: 2019-04-20
Publication date: 2020-05-22
Anticipated expiration: 2029-04-20

Abstract

The utility model relates to a formula of lockstitching a border P type roof beam and make-up machine, include and enclose the roof beam body of establishing and forming after buckling by the steel sheet, the cross-section of the roof beam body is and seals the setting, the roof beam body includes vertical section and horizontal segment, the both ends of steel sheet are closed in the horizontal segment bottom of the roof beam body after the steel sheet is buckled, the both ends of steel sheet are equipped with the pothook that the lock of each other is fixed along the length direction of steel sheet. Adopt the pothook to realize the closure at steel sheet both ends to form the roof beam body, compare and turn over the back again spot welding with steel sheet both ends, directly turn over the back lock of each other with the both ends of steel sheet, not only can simplify the process, directly through make-up machine tooling, moreover because the pothook is isometric with the roof beam body, compare before fixed through the solder joint, become the line contact with the point contact, the effectual joint strength who improves the steel sheet both ends.

Description

Overlock P-shaped beam and forming machine

Technical Field

The utility model belongs to the technical field of the forming technology of clod wash and specifically relates to a formula of lockstitching a border P type roof beam and make-up machine is related to.

Background

In a large warehouse, in order to improve the utilization rate of space, a heavy goods shelf is often needed, the structure of the existing heavy goods shelf mainly comprises a laminate, a vertical column, a P-shaped beam, an inclined support and other structures, the P-shaped beam is mainly used for supporting the laminate, and after the installation is finished, the laminate is placed on the P-shaped beam and can be installed on the goods shelf.

Current P type beam structure includes to enclose the roof beam body that establishes and form by the steel sheet, and the cross-section of the roof beam body is P shape setting, and the both ends of steel sheet are equipped with the turn-ups, and when the steel sheet was closed, the turn-ups laminating at steel sheet both ends was in the same place, carries out spot welding operation along the seam that the steel sheet both ends formed when closed afterwards again, is in the same place the both ends welded fastening of steel sheet.

Like this in production process, after bending the roof beam body, still need carry out spot welding operation to the gap between two turn-ups, just can accomplish the production of product, need use multiple equipment, not only production efficiency is low, and production technology is complicated moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a serging formula P type roof beam need not adopt spot welding also can realize the fixed at steel sheet both ends, simplifies the structure and improves production efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a serging formula P type roof beam, includes to enclose the roof beam body that forms after buckling by the steel sheet, the cross-section of the roof beam body is and seals the setting, the roof beam body includes vertical section and horizontal segment, the both ends of steel sheet are closed in the horizontal segment bottom of the roof beam body after the steel sheet is buckled, the both ends of steel sheet are equipped with the pothook that the lock of each other is fixed along the length direction of steel sheet.

Through adopting above-mentioned technical scheme, realize the closure at steel sheet both ends through adopting the pothook to form the roof beam body, compare and turn over the back again spot welding with the steel sheet both ends, directly turn over the back lock of each other with the both ends of steel sheet, not only can simplify the process, directly through make-up machine-shaping, because the pothook is isometric with the roof beam body, compare before fixed through the solder joint, become the point contact into line contact, the effectual joint strength who improves the steel sheet both ends.

The utility model discloses further set up to: the clamping hooks at two ends of the steel plate are vertically distributed after being fixed, and the bottom surfaces of the clamping hooks positioned below the two clamping hooks are flush with the bottom surface of the horizontal section.

By adopting the technical scheme, the bottom surfaces of the clamping hooks positioned below the two clamping hooks are flush with the bottom surface of the horizontal section, so that the bottom surface of the horizontal section is still a plane, and when the clamping hooks are installed, the contact area between the beam body and other components can be ensured, thereby ensuring that the beam body is uniformly stressed and not reducing the overall bearing capacity of the goods shelf.

The utility model discloses further set up to: the included angle of the bending part between the vertical section and the horizontal section is 87 degrees.

Through adopting above-mentioned technical scheme, the contained angle with between vertical section and the horizontal segment sets to the slope, when piling up like this, the roof beam body that is located the top and the roof beam body of below lock mutually to form a surface and be square roof beam body group, the slope sets up to bend and plays very good linkage effect, and when piling up and piling up like this, the appearance of stack is regular, can conveniently tie up and vanning, practiced thrift the space simultaneously, reduced the cost of transportation.

The utility model discloses further set up to: the horizontal section is characterized in that a strip-shaped groove is formed in the vertical surface of the horizontal section along the length direction of the beam body, the cross section of the strip-shaped groove is semicircular, and the strip-shaped grooves are formed in a plurality of vertical direction arrays.

Through adopting above-mentioned technical scheme, the bar groove is a plurality of, sets up along vertical direction array, is about to the vertical face of horizontal segment and sets into the wave, compares smooth side, and the anti bending capability that can effectual improvement horizontal segment further improves the structural strength and the bearing capacity of the roof beam body.

The utility model discloses further set up to: and a plurality of positioning grooves which are protruded upwards and formed after being pressed are arranged on the bottom surface of the clamping hook along the length direction of the beam body.

Through adopting above-mentioned technical scheme, the constant head tank sets up along the length direction interval array of the roof beam body, and the constant head tank forms through pressing, because the steel sheet thickness is thinner, a certain amount of deformation also can take place for the pothook of top, can increase the area of contact between two pothooks like this, improves the fixed effect of two pothooks, and the constant head tank can play limiting displacement in length direction simultaneously, has further improved the fixed effect at steel sheet both ends

The utility model discloses further set up to: and the top surface of the horizontal section is provided with a positioning column along the vertical direction, and the top surface of the vertical section is provided with a positioning hole corresponding to the positioning column.

Through adopting above-mentioned technical scheme, when piling up, the reference column and the locating hole that are located on the roof beam body of top and the reference column and the locating hole that are located on the roof beam body of below mutually support, can play limiting displacement at the length direction of the roof beam body like this, two roof beam bodies are at length direction's degree of freedom about the restriction, have further improved the stability of the roof beam body in the transportation of piling up, and simultaneously, when the installation, also can set up corresponding locating hole on the plywood, can also improve the connection effect of plywood and roof beam body.

The utility model discloses further set up to: the positioning device is characterized in that a clamping block is arranged on the outer peripheral surface of the positioning column in a sliding mode along the radial direction of the positioning shaft, a guide inclined plane is arranged at the top of one end, extending out of the positioning column, of the clamping block, a first elastic piece for driving the clamping block to slide outwards is arranged in the positioning column, and the distance between the bottom surface of the clamping block and the top surface of the horizontal section is equal to the thickness of a.

Through adopting above-mentioned technical scheme, during the installation, after the reference column inserted the locating hole, because the guide on guide inclined plane, the fixture block can withdraw earlier in the counter bore, wait to the fixture block and pass the locating hole after, under the drive of first elastic component, the fixture block stretches out the counter bore, the bottom surface of fixture block and the internal surface contact of the roof beam body to play limiting displacement, so not only can play spacingly at roof beam body length direction, also can play spacingly in the thickness direction of the roof beam body, further improved the fixed effect between two roof beam bodies.

Another object of the utility model is to provide a make-up machine can realize the production of above-mentioned serging formula P type roof beam.

The forming machine comprises a frame, wherein a plurality of forming roller sets for performing corresponding bending operation on a steel plate are arranged on the frame along the length direction of the frame, and a forming roller set for closing two sides of the steel plate, a blank pressing roller set for pressing a flanging to form a clamping hook and a pressing roller set for pressing the clamping hook are sequentially arranged on the frame at the lower part of the forming roller set.

By adopting the technical scheme, when in production, the forming roller set bends the steel plate firstly, each folding edge on the beam body can be formed after bending, the semi-finished product output from the forming roller set is preliminarily formed, the beam body is in a semi-open state, only two sides of the steel plate are not folded, then the semi-finished product enters the forming roller set, the two sides of the beam body are folded by the forming roller set firstly, the whole profile of the P-shaped beam is formed, the folding edges on the two sides of the steel plate are mutually attached, then the steel plate enters the blank pressing roller set, the blank pressing roller set extrudes the folding edges, the folding edges are flattened to form clamping hooks, the two sides of the steel plate are mutually buckled together, then the steel plate enters the pressing roller set, the two clamping hooks are pressed by the pressing roller set, the manufacturing of the P.

The utility model discloses further set up to: blank pressing roller set includes a pair of relative setting in the frame blank pressing frame, two it is connected with horizontal blank pressing roller and vertical blank pressing roller to rotate between the blank pressing frame, flat blank pressing roller and vertical blank pressing roller set up in pairs and enclose and establish around the roof beam body, horizontal blank pressing roller and vertical blank pressing roller correspond the surface laminating with the roof beam body, be equipped with the interior module with the laminating of roof beam body internal surface in the middle zone of horizontal blank pressing roller and vertical blank pressing roller, the holding tank that is used for holding the pothook after being pressed is offered along roof beam body length direction at the top of interior module.

Through adopting above-mentioned technical scheme, when the closed roof beam body when the blank pressing roller set, interior module and the horizontal blank pressing roller cooperation that is located roof beam body top compress tightly the section bar from inside and outside both sides, after bending the turn-ups, the turn-ups can form the pothook to accomplish the closure on steel sheet both sides.

The utility model discloses further set up to: the compaction roller group comprises a pair of compaction frames which are oppositely arranged on the rack, a pair of horizontal compaction rollers are rotatably connected onto the compaction frames, compaction grooves which are attached to the outer surface of the beam body are formed in the horizontal compaction rollers located below, outer gear rings are arranged on the horizontal compaction rollers located above, the positions of the outer gear rings correspond to the positions of the clamping hooks, and support modules which are located in the beam body when the compression rollers compress tightly are arranged in the compaction grooves.

Through adopting above-mentioned technical scheme, after the roof beam body is worn out from between two horizontal compression rollers, outer ring gear can form the constant head tank at the external surface extrusion of roof beam body, and further compress tightly two pothooks, guarantees the connection effect at steel sheet both ends. When compressing tightly, the supporting module is located the roof beam body, and the supporting module can play the supporting role to the bottom surface of horizontal segment to guaranteed compressing tightly the effect of outer ring gear, also avoided the roof beam body to appear deforming because of the extrusion of outer ring gear.

To sum up, the utility model discloses a beneficial technological effect does:

1. the production process is simplified, the production cost is reduced, and the structural strength of the beam body is more stable;

2. when piling up, have the interlocking function between the adjacent roof beam body, stability in can effectual improvement transportation, convenient transportation and transport.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.

Fig. 2 is a side view of a first embodiment of the present invention.

Fig. 3 is a schematic view of the bottom of the horizontal section of the present invention.

Fig. 4 is a schematic overall structure diagram of a second embodiment of the present invention.

Fig. 5 is a longitudinal sectional view of a second embodiment of the present invention.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Fig. 7 is a cross-sectional view in the width direction of a second embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a whole molding machine according to a third embodiment of the present invention.

Fig. 9 is an installation schematic diagram of the shaping roller set, the blank pressing roller set and the hold-down roller set of the third embodiment of the present invention.

Fig. 10 is a schematic structural view of a third forming roller set according to the present invention.

Fig. 11 is a schematic structural view of a blank holder roller set according to a third embodiment of the present invention.

Fig. 12 is a schematic structural view of a pinch roller set according to a third embodiment of the present invention.

Fig. 13 is a schematic view of the support rod, inner module and support module of the present invention.

In the figure, 1, a beam body; 11. a horizontal segment; 12. a vertical section; 2. a hook; 21. positioning a groove; 3. a strip-shaped groove; 4. a positioning column; 5. positioning holes; 6. a clamping block; 61. a guide ramp; 62. a first spring; 7. a drive roller; 71. pulling a rope; 72. a gear; 8. a sleeve; 81. a pressure spring; 9. a tooth block; 91. a second spring; 10. a frame; 101. forming a roller set; 1011. forming a frame; 1012. a forming roller; 1013. a support bar; 102. a shaping roller set; 1021. shaping frames; 1022. a horizontal sizing roller; 1023. a vertical sizing roller; 103. a blank pressing roller set; 1031. a trimming frame; 1032. a horizontal edge-pressing roller; 1033. a vertical edge roller; 1034. an inner module; 1035. accommodating grooves; 104. a pinch roller set; 1041. a pressing frame; 1042. a horizontal pressure roller; 1043. a compaction groove; 1044. an outer ring gear; 1045. and a support module.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, for the utility model discloses a serging formula P type roof beam, include to enclose after buckling by the steel sheet and establish the roof beam body 1 that forms, the cross-section of the roof beam body 1 is and seals the setting, and the crease of steel sheet sets up along the length direction of the roof beam body 1, during production, according to the design needs, saw cut the roof beam body 1 of corresponding length can. The roof beam body 1 includes horizontal segment 11 and sets up vertical section 12 in horizontal segment 11 top, vertical section 12 sets up with horizontal segment 11 an organic whole, make 1 cross-section of roof beam body whole roughly be P shape, the both ends closed position of steel sheet is located horizontal segment 11 bottom, be equipped with pothook 2 of lock of each other at the both ends of steel sheet along the length direction of steel sheet, through adopting pothook 2 to realize the closure at steel sheet both ends, thereby form roof beam body 1, compare in turning over the steel sheet both ends and go on spot welding again, directly turn over the both ends of steel sheet and lock of each other after, not only can simplify the process, directly through make-up machine forming, and because pothook 2 is isometric with roof beam body 1, compare before fixed through the solder joint, become the line contact with the point contact, the effectual joint strength at steel sheet.

Referring to fig. 2, in order to ensure the smoothness of the bottom surface of the horizontal section 11, the hooks 2 at the two ends of the steel plate are vertically distributed after being fixed, the bottom surfaces of the hooks 2 positioned below in the two hooks 2 are flush with the bottom surface of the horizontal section 11, so that the bottom surface of the horizontal section 11 is still a plane, and when the steel plate is installed, the contact area between the beam body 1 and other components can be ensured, so that the beam body 1 is uniformly stressed, and the integral bearing capacity of the shelf can not be reduced.

Refer to fig. 3, in order to further improve the fixed effect between two pothooks 2, the bellied constant head tank 21 that makes progress that forms after a plurality of pressurized on the pothook 2's of below bottom surface, constant head tank 21 sets up along the length direction interval array of roof beam body 1, constant head tank 21 is through pressing down the formation, because the steel sheet thickness is thinner, a certain amount of deformation also can take place for pothook 2 of top, can increase the area of contact between two pothooks 2 like this, improve the fixed effect of two pothooks 2, constant head tank 21 can play limiting displacement in length direction simultaneously, the fixed effect at steel sheet both ends has further been improved.

In addition, refer to fig. 2, in order to improve the anti bending capability of roof beam body 1, be equipped with strip groove 3 along 1 length direction of roof beam body on the vertical face of horizontal segment 11, all be equipped with strip groove 3 on two vertical sides of

horizontal segment

11, 3 cross-sectional shapes in strip groove are semi-circular, strip groove 3 is a plurality of, set up along vertical direction array, the vertical face that is about to horizontal segment 11 sets into the wave, compare smooth side, can effectual improvement horizontal segment 11 anti bending capability, further improve the structural strength and the bearing capacity of roof beam body 1.

Referring to fig. 2, for convenient transportation, the contained angle of bending between vertical section 12 and the horizontal segment 11 is 87, set the contained angle between vertical section 12 and the horizontal segment 11 to the slope, when putting things in good order like this, the roof beam body 1 that is located the top and the roof beam body 1 of below lock mutually, thereby form a surface and be square roof beam body 1 group, the roof beam body 1 that is located the top and the roof beam body 1 of below can play very good connection effect, when piling up the pile up like this, the appearance of stack is regular, can conveniently tie up and pack into cases, the space has been practiced thrift simultaneously, and transportation cost is reduced.

Example two:

referring to fig. 4, in order to further improve the fixing effect between the upper and lower two beam bodies 1, a positioning column 4 is arranged on the top surface of the horizontal section 11 along the vertical direction, a positioning hole 5 is arranged on the top surface of the vertical section 12 corresponding to the positioning column 4, so that when stacking, the positioning column 4 and the positioning hole 5 on the beam body 1 above and the positioning column 4 and the positioning hole 5 on the beam body 1 below are matched with each other, so that the limiting effect can be achieved in the length direction of the beam body 1, the freedom degree of the upper and lower two beam bodies 1 in the length direction is limited, the stability of the beam body 1 in the stacking transportation process is further improved, meanwhile, when mounting, the corresponding positioning hole 5 can be arranged on the laminate, and the connection effect of the laminate and the beam body 1 can be improved.

Referring to fig. 5 and 6, in order to further improve the connection effect between the upper and lower beams 1, a fixture block 6 is disposed on the outer circumferential surface of the positioning column 4 in a sliding manner along the radial direction of the positioning shaft, a guiding inclined surface 61 is disposed at the top of one end of the fixture block 6 extending out of the positioning column 4, a first elastic member for driving the fixture block 6 to slide outwards is disposed in the positioning column 4, the first elastic member is a first spring 62, a counter bore for sliding the fixture block 6 is disposed on the outer surface of the positioning column 4, one end of the first spring 62 is fixed to the counter bore, and the other end is fixed to the fixture block 6, in a natural state, the first spring 62 drives the fixture block 6 and the guiding inclined surface 61 to be located outside the positioning column 4, the number of the fixture block 6 is at least one, in this embodiment, the number of the fixture block 6 is two, the fixture block 6 is symmetrically disposed, in addition, because the guide of guide inclined plane 61, in the counter bore can be withdrawed earlier to fixture block 6, wait for fixture block 6 to pass locating hole 5 after, under the drive of first spring 62, fixture block 6 stretches out the counter bore, the bottom surface of fixture block 6 and the internal surface contact of roof beam body 1 to play limiting displacement, so not only can play spacingly in roof beam body 1 length direction, also can play spacingly in the thickness direction of roof beam body 1, further improved the fixed effect between two roof beam bodies 1.

Referring to fig. 6 and 7, in order to facilitate the retraction of the driving fixture block 6, a driving roller 7 is rotatably connected in the horizontal section 11, the driving roller 7 is arranged perpendicular to the length direction of the beam body 1, that is, the driving roller 7 is arranged perpendicular to the positioning column 4, a pulling rope 71 is connected to the fixture block 6, one end of the pulling rope 71 is fixed to the fixture block 6, and the other end of the pulling rope 71 extends out of the positioning column 4, then extends into the beam body 1 and is fixed to the driving roller 7. After the driving roller 7 is rotated, the pulling rope 71 is wound on the driving roller 7, the pulling rope 71 can pull the fixture block 6 to slide, the fixture block 6 is driven to be retracted into the counter bore, and the limit of the fixture block 6 is released. The driving roller 7 is arranged in the middle of the beam body 1, the pull ropes 71 on different positioning columns 4 are uniformly connected with one driving roller 7, and the retraction of all the clamping blocks 6 can be realized at the same time by only rotating one driving roller 7, so that the operation is simplified.

Referring to fig. 6 and 7, in order to avoid damage to other components caused by the positioning post 4 during installation or stacking, a sleeve 8 for installing and accommodating the positioning post 4 is arranged in the horizontal section 11, the inner diameter of the sleeve 8 is equal to the outer diameter of the positioning post 4, the positioning post 4 is slidably arranged in the sleeve 8, a pressure spring 81 is arranged between the positioning post 4 and the bottom surface of the sleeve 8, the pressure spring 81 is in a normal length, the distance between the bottom surface of the fixture block 6 and the top surface of the horizontal section 11 is equal to the thickness of a steel plate, so that when the laminate or the upper beam 1 is aligned, the positioning post 4 can be firstly pressed into the sleeve 8, the pressure spring 81 can push out the positioning post 4 again when the positioning post 4 is aligned with the positioning hole 5, and in addition, in order to ensure that the fixture block 6 can be retracted during the lifting of the positioning post 4, the elasticity of, so that the fixture block 6 can overcome the first spring 62 and withdraw into the counter bore, and the fixture block 6 can smoothly enter the beam body 1 above.

Referring to fig. 6 and 7, in order to keep the positioning post 4 in the sleeve 8 all the time to adapt to the use requirement under different conditions, a gear 72 coaxial with the driving roller 7 is fixed on the outer peripheral surface of the driving roller 7, the gear 72 is arranged at the end part of the driving roller 7, a gear block 9 is arranged in the horizontal section 11 in a sliding way along the axial direction of the driving roller 7, the bottom surface of the gear block 9 is connected with the inner surface of the horizontal section 11 in a sliding way, and the gear block 9 is matched with the gear 72, in the sliding process of the gear block 9, the gear block has two states of being staggered and meshed with the gear 72, a second elastic member for driving the gear block 9 to be meshed with the gear 72 is also arranged in the horizontal section 11, the second elastic member is a second spring 91, one end of the second spring 91 is fixed with the gear block 9, the other end is fixed with the horizontal section 11, the second spring 91 can drive the gear block 9 to be kept in a, only need rotate drive roller 7 for stay cord 71 winding is on the wind-up roll, can realize withdrawing of fixture block 6 and reference column 4 in proper order, in drawing back sleeve 8 with reference column 4, again through tooth piece 9 afterwards, fixes drive roller 7, and reference column 4 can be held throughout to stay cord 71 like this, makes reference column 4 keep being located the state in sleeve 8.

The implementation principle of the embodiment is as follows: during production, the beam body 1 is directly bent and formed integrally through a forming machine, the clamping hooks 2 at two ends of the steel plate are buckled and pressed to complete processing, and then the beam body 1 is cut in sections to form the required length;

when putting things in good order, two upper and lower roof beam bodies 1 lock each other, reference column 4 and locating hole 5 on the roof beam body 1 of top and locating hole 5 and reference column 4 and locating hole 5 on the roof beam body 1 of below cooperate each other, thereby two roof beam body 1 equipment about accomplishing, and then accomplish the pile up of roof beam body 1, after locating column 4 worn out in the locating hole 5, fixture block 6 on the reference column 4 can stretch out reference column 4 and with the internal surface butt of roof beam body 1, thereby restriction reference column 4 is in the slip of vertical direction, when wanting to dismantle, rotate drive roller 7, roll up stay cord 71 on drive roller 7, stay cord 71 can stimulate fixture block 6 and slide, and then drive fixture block 6 withdraws in the counter bore, relieve fixture block 6's spacing.

Example three:

a forming machine, refer to fig. 8, including the framework 10, there are several forming roller sets 101 on the framework 10 along the length direction of the framework 10, the forming roller set 101 bends the steel plate, can form each hem on the roof beam body 1 after bending of the forming roller set 101, the semifinished material outputted from forming roller set 101 has already been shaped preliminarily, the roof beam body 1 is in the half-open state, only leave the steel plate both sides and not fold, the hem has already been bent and formed. Each forming roller group 101 comprises a pair of forming frames 1011 which are oppositely arranged, horizontal forming rollers 1012 or vertical forming rollers 1012 are rotatably connected to the forming frames 1011, the horizontal forming rollers 1012 and the vertical forming rollers 1012 are arranged in pairs, the horizontal forming rollers 1012 or the vertical forming rollers 1012 with different cross sections are arranged, after steel plates pass through different forming roller groups 101, corresponding bending operation can be completed, and the number and the cross sections of the forming roller groups 101 are determined according to the shapes and the cross sections of products.

Referring to fig. 8 and 9, after the steel plate passes through the forming roller set 101, the output steel plate is a semi-finished product, at this time, the horizontal section 11 and the vertical section 12 are both preliminarily formed, the flanges are also bent and formed, only the opening at the bottom of the vertical section 12 is not closed, referring to fig. 10, then the steel plate in a semi-finished product state enters the forming roller set 102, the forming roller set 102 is overlapped with the center line of the forming roller set 101, the forming roller set 102 firstly folds the two sides of the beam body 1, the overall profile of the P-shaped beam is formed, the flanges at the two sides of the steel plate are mutually attached, the forming roller set 102 comprises a forming frame 1021, a horizontal forming roller 1022 and a vertical forming roller 1023 are rotatably connected on the forming frame 1021, the horizontal forming roller 1022 and the vertical forming roller 1023 are arranged in pairs and surround the beam body 1, the area between the horizontal forming roller 1022 and the vertical forming roller 1023 is equal to the cross-sectional shape, the two sides of the steel plate are closed, and only the flanging is left to be not extruded at the moment.

Referring to fig. 11, the formed beam 1 enters a blank holder roller set 103, the blank holder roller set 103 is overlapped with the center line of the shaping roller set 102, the blank holder roller set 103 extrudes the blank to flatten the blank to form a hook 2, that is, two edges of the steel plate are mutually buckled together, the blank holder roller set 103 comprises a blank holder 1031, the blank holder 1031 is rotatably connected with a horizontal blank holder roller 1032 and a vertical blank holder roller 1033, the horizontal blank holder roller 1032 and the vertical blank holder roller 1033 are arranged in pairs and are arranged around the beam 1, the middle area of the horizontal blank holder roller 1032 and the vertical blank holder roller 1033 is equal to the cross-sectional shape of the P-shaped beam, an inner module 1034 is arranged in the middle area of the horizontal blank holder roller 1032 and the vertical blank holder roller 1033, the shape of the inner module 1034 is matched with the cross-sectional shape of the P-shaped beam, the top of the inner module 1034 is provided with a receiving groove 1035 along the length direction of the beam 1, the pressed hook 2 is received by the receiving groove, the inner module 1034 is matched with a horizontal edge pressing roller 1032 positioned above the beam body 1, the profiles are compressed from the inner side and the outer side, and after the flanging is bent, the flanging can form a clamping hook 2, so that the closing of the two sides of the steel plate is completed.

Referring to fig. 12, the steel plate then enters the pinch roller set 104, the pinch roller set 104 compresses the two hooks 2, and finally completes the manufacturing of the P-shaped beam, and the output is cut off, where the pinch roller set 104 includes a pinch frame 1041 fixed to the frame 10, the pinch frame 1041 is connected to a pair of horizontal pinch rollers 1042 in a rotating manner, a pinch groove 1043 attached to the outer surface of the beam body 1 is formed in the horizontal pinch roller 1042 located below, outer ring gears 1044 are arranged in a circumferential array on the horizontal pinch roller 1042 located above, the positions of the outer ring gears 1044 correspond to the positions of the hooks 2, and after the beam body 1 penetrates out from between the two horizontal pinch rollers 1042, the outer ring gears 1044 can be extruded on the outer surface of the beam body 1 to form positioning grooves 21, and further compress the two hooks 2, thereby ensuring the connection effect.

In addition, referring to fig. 12, in order to improve the compressing effect, a supporting module 1045 is arranged in the compressing groove 1043, the cross-sectional shape of the supporting module 1045 is matched with the beam body 1, when compressing, the supporting module 1045 is located in the beam body 1, and the supporting module 1045 can support the bottom surface of the horizontal section 11, so that the compressing effect of the outer gear ring 1044 is ensured, and deformation of the beam body 1 due to extrusion of the outer gear ring 1044 is also avoided.

Referring to fig. 8 and 13, in order to facilitate the installation of the inner module 1034 and the support module 1045, a support rod 1013 is disposed on the forming frame 1011 along the length direction of the frame 10, one end of the support rod 1013 is fixed to the forming frame 1011, the other end of the support rod 1013 extends into the pressing roller, and both the inner module 1034 and the support block are fixed to the support rod 1013.

The working process is summarized as follows: during production, the forming roller group 101 bends a steel plate firstly, each folding edge on the beam body 1 can be formed after bending, a semi-finished product output from the forming roller group 101 is formed preliminarily, the beam body 1 is in a semi-open state, only two sides of the steel plate are not folded, then the semi-finished product enters the forming roller group 102, the two sides of the beam body 1 are folded by the forming roller group 102, the overall profile of the P-shaped beam is formed, the folding edges on the two sides of the steel plate are mutually attached, then the steel plate enters the edge pressing roller group 103, the edge pressing roller group 103 extrudes the folding edges, the folding edges are flattened to form the clamping hooks 2, the two sides of the steel plate are mutually buckled together, then the steel plate enters the pressing roller group 104, the pressing roller group 104 presses the two clamping hooks 2, the manufacturing of the P-shaped beam.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a serging formula P type roof beam, includes encloses the roof beam body (1) that establishes after buckling by the steel sheet and forms, the cross-section of the roof beam body (1) is and seals the setting, the roof beam body (1) is including vertical section (12) and horizontal segment (11), its characterized in that: the two ends of the steel plate are closed at the bottom of the horizontal section (11) of the beam body (1) after the steel plate is bent, and the two ends of the steel plate are provided with clamping hooks (2) which are mutually buckled and fixed along the length direction of the steel plate.

2. The serging P-beam of claim 1, wherein: the clamping hooks (2) at the two ends of the steel plate are vertically distributed after being fixed, and the bottom surfaces of the clamping hooks (2) positioned below the two clamping hooks (2) are flush with the bottom surface of the horizontal section (11).

3. The serging P-beam of claim 1, wherein: the included angle of the bending part between the vertical section (12) and the horizontal section (11) is 87 degrees.

4. The serging P-beam of claim 3, wherein: the beam is characterized in that a strip-shaped groove (3) is formed in the vertical surface of the horizontal section (11) along the length direction of the beam body (1), the cross section of the strip-shaped groove (3) is semicircular, and the strip-shaped groove (3) is formed in a plurality of vertical direction arrays.

5. The serging P-beam of claim 1, wherein: a plurality of positioning grooves (21) which are formed in a pressed mode and protrude upwards are formed in the bottom surface of the clamping hook (2) along the length direction of the beam body (1).

6. The serging P-beam of claim 1, wherein: the top surface of the horizontal section (11) is provided with a positioning column (4) along the vertical direction, and the top surface of the vertical section (12) is provided with a positioning hole (5) corresponding to the positioning column (4).

7. The serging P-beam of claim 6, wherein: the positioning device is characterized in that a clamping block (6) is arranged on the outer peripheral surface of the positioning column (4) in a sliding mode along the positioning shaft in the radial direction, a guide inclined plane (61) is arranged at the top of one end, extending out of the positioning column (4), of the clamping block (6), a first elastic piece for driving the clamping block (6) to slide outwards is arranged in the positioning column (4), and the distance between the bottom surface of the clamping block (6) and the top surface of the horizontal section (11) is equal to the thickness of a steel.

8. A forming machine for producing the serging P-shaped beam of any one of claims 1 to 7, comprising a frame (10), wherein a plurality of forming roller sets (101) for performing corresponding bending operation on a steel plate are arranged on the frame (10) along the length direction of the frame (10), and the forming roller sets are characterized in that: and a shaping roller set (102) for closing two sides of the steel plate, a blank pressing roller set (103) for pressing the flanging to form the clamping hook (2) and a pressing roller set (104) for pressing the clamping hook (2) are sequentially arranged on the frame (10) at the downstream of the shaping roller set (101).

9. The molding machine of claim 8, wherein: blank pressing roller set (103) include a pair of relative setting in frame (10) blank pressing frame (1031), two it is connected with horizontal blank pressing roller (1032) and vertical blank pressing roller (1033) to rotate between blank pressing frame (1031), flat blank pressing roller and vertical blank pressing roller (1033) set up in pairs and enclose and establish around roof beam body (1), horizontal blank pressing roller (1032) and vertical blank pressing roller (1033) correspond the surface laminating with roof beam body (1), be equipped with in the middle zone of horizontal blank pressing roller (1032) and vertical blank pressing roller (1033) with roof beam body (1) internal surface laminating interior module (1034), the holding tank (1035) that are used for holding pothook (2) after being pressed are offered along roof beam body (1) length direction in the top of interior module (1034).

10. The molding machine of claim 9, wherein: the compaction roller set (104) comprises a pair of compaction frames (1041) which are oppositely arranged on the frame (10), the compaction frames (1041) are rotatably connected with a pair of horizontal compaction rollers (1042), compaction grooves (1043) which are attached to the outer surface of the beam body (1) are formed in the horizontal compaction rollers (1042) located below, outer gear rings (1044) are arranged on the horizontal compaction rollers (1042) located above in a circumferential array mode, the positions of the outer gear rings (1044) correspond to the positions of the clamping hooks (2), and support modules (1045) which are located inside the beam body (1) when in compaction are arranged in the compaction grooves (1043).