Steel frame structure metal fitting processing and forming device

Abstract

The application discloses a steel frame structure metal accessory processing and forming device; the device comprises a lower die device and an upper die device matched with the lower die device; the lower die device and the upper die device are sequentially provided with a round hole blanking die module, a material belt trimming die module, a blanking forming die module, a bending forming die module and a cutting and separating die module in the material belt conveying direction; the device can continuously stamp and form the sub and parent buckle metal accessories used in the steel frame structure, can realize continuous batch processing and forming, can effectively avoid the problem that the random buckle matching precision of the arbitrary sub buckle metal accessory and the parent buckle metal accessory is caused by human operation errors, and facilitates random combination and assembly of the metal accessories.

Description

Technical Field

[0001] This invention relates to the field of metal parts manufacturing technology, and specifically proposes a steel frame structure metal parts processing and forming device. Background Technology

[0002] A steel frame structure is a multi-story, multi-span steel structure mainly composed of beams and columns, designed to bear vertical and horizontal loads. In addition to the main beams and columns, steel frame structures often require various types of metal fittings for the connection and installation of columns and beams. These metal fittings primarily serve to support and fix, facilitate connection, and allow for rapid alignment. For example... Figure 16 The image shows a metal fitting with a letter-shaped buckle structure commonly used in existing steel frame structures. This metal fitting is made of, for example... Figure 14 The female metal fitting shown and its corresponding fastener are as follows: Figure 15 The metal fittings shown serve as snap-fit ​​supports and facilitate the quick disassembly of the steel beam.

[0003] Because a certain level of support strength is required, therefore, Figure 12 The letter buckle metal fittings shown are made of materials with a certain thickness. In the existing processing, metal steel plates are generally pre-cut into steel plate pieces of a certain size, and then semi-automated stamping is carried out manually through multiple single-process stamping dies. The entire production process is discontinuous, and the production efficiency is greatly affected by the skill level of the workers. In addition, if the processing is not standardized, the dimensional deviation of the metal fittings will be large, which will increase the random error in the buckle matching accuracy of any selected set of letter buckle metal fittings, affecting the performance of the metal fittings when assembling the actual steel frame structure. Summary of the Invention

[0004] To address the aforementioned problems, the present invention provides a steel frame structure metal fitting processing and forming apparatus to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a steel frame structure metal parts processing and forming device, including a lower die device and an upper die device that cooperates with the lower die device; the lower die device and the upper die device are sequentially arranged in the material conveying direction as a round hole punching module, a material strip trimming module, a punching forming module, a bending forming module and a cutting and separating module.

[0006] The lower die device is equipped with a reset support block mechanism that cooperates with the punching and forming module. When the punching and forming module completes the punching and the lower die device and the upper die device are in a mold separation state, the reset support block mechanism causes the part of the strip that was punched and separated by the punching and forming module to be reset and rise to the height of the strip.

[0007] Preferably, the lower mold device includes a lower mold base plate, and the upper mold device includes an upper mold base plate and a pressure window plate mounted on the upper mold base plate. The upper mold base plate and the lower mold base plate are aligned and guided together. When the lower mold device and the upper mold device are in the mold-closed state, the pressure window plate is located between the upper mold base plate and the lower mold base plate.

[0008] Preferably, a plurality of spring sleeve blocks are fixedly installed on the bottom end face of the upper mold base plate. A plurality of vertically through-hole-shaped limiting holes are evenly distributed on the spring sleeve blocks. A plurality of axially vertical countersunk through holes are provided on the pressure window plate. A support guide post is vertically slidably installed through the countersunk through holes. One end of the support guide post is fixed on the upper mold base plate. A compression spring is placed in each of the limiting holes. When the pressure window plate is horizontally supported on the plurality of support guide posts, the two ends of the compression spring are clamped and contacted between the upper mold base plate and the pressure window plate.

[0009] Preferably, the round hole punching die assembly includes a round hole die plate fixed on the lower die plate and a round hole punch fixed on the upper die plate; the round hole die plate is provided with a round hole die that aligns and cooperates with the round hole punch.

[0010] Preferably, the strip trimming module includes two trimming recess modules fixed on the lower die base plate and mirror-symmetrically distributed on both sides of the circular hole recess module in a direction perpendicular to the feeding direction. The trimming recess module is provided with trimming dies. The strip trimming module also includes two trimming punches fixed on the upper die base plate and correspondingly engaged with the two trimming dies.

[0011] Preferably, the punching and forming module includes a forming concave module fixed on the lower die base plate and a forming punch fixed on the upper die base plate, wherein the forming concave module is provided with a forming concave die that aligns and cooperates with the forming punch.

[0012] Preferably, the reset support block mechanism is configured to cooperate with the forming concave module; the forming concave module is provided with multiple guide holes, and the bottom end of the forming concave module is provided with a limiting groove at each of the guide holes; the lower mold base plate is provided with a scrap window corresponding to the position below the forming concave mold; the reset support block mechanism includes two fixing blocks fixed on the bottom end plate of the lower mold base plate, a spring placement plate horizontally fixed between the bottom ends of the two fixing blocks, multiple support springs, and a reset support block embedded in the forming concave mold; the reset support block passes through the scrap window, and the reset support block is provided with multiple stops that are embedded one-to-one in the multiple limiting grooves, and each stop block is vertically fixed with a guide rod, and the guide rod passes through the guide hole; the two ends of the support spring are respectively embedded in the top end of the spring placement plate and the bottom end of the reset support block; when the stop block is in contact with the limiting groove under the elastic force of the support spring, the upper end surface of the reset support block is flush with the upper end surface of the forming concave module, and the guide rod passes upward through the guide hole.

[0013] Preferably, the bending forming module includes a lower bending mechanism disposed on the lower die plate and an upper bending mechanism disposed on the upper die plate and aligned with the lower bending mechanism.

[0014] Preferably, the cutting and separating module includes a cutting concave module fixed on the lower die base plate and a cutting punch fixed on the upper die base plate, wherein the cutting concave module is provided with a cutting concave die that aligns and cooperates with the cutting punch.

[0015] Preferably, each of the two trimming recessed modules is provided with a guide strip and a positioning block. The two guide strips are arranged in a mirror-symmetrical manner for guiding the conveyor on both sides of the material belt, and the two positioning blocks are arranged in a mirror-symmetrical manner for positioning the conveyor at the front end of the material belt.

[0016] The above technical solution has the following advantages or beneficial effects: The present invention provides a steel frame structure metal fitting processing and forming device, which can continuously stamp and form the male and female buckle metal fittings used in the steel frame structure, replacing the traditional multi-step single-process stamping and forming operation that relies on manual labor. It can realize continuous batch processing and forming, effectively avoid human operation errors, solve the problem of matching errors in random snapping of any male and female buckle metal fittings, and facilitate the random combination and assembly of metal fittings. Attached Figure Description

[0017] The invention, its features, shape, and advantages will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference numerals denote like parts throughout the drawings, which are not intentionally drawn to scale; the focus is on illustrating the spirit of the invention.

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a steel frame structure metal fitting processing and forming device provided by the present invention.

[0019] Figure 2 This is a front view of a steel frame structure metal fitting processing and forming device provided by the present invention.

[0020] Figure 3 This is a side view of the steel frame structure metal fitting processing and forming device provided by the present invention on the feeding end side.

[0021] Figure 4 This is a side view of the steel frame structure metal fitting processing and forming device provided by the present invention on the discharge end side.

[0022] Figure 5 This is a three-dimensional structural diagram of the lower mold device from one perspective.

[0023] Figure 6 This is a three-dimensional structural diagram of the lower mold device from another perspective.

[0024] Figure 7 This is a top view of the lower mold assembly.

[0025] Figure 8 yes Figure 7 Sectional view at point AA.

[0026] Figure 9 yes Figure 8 A magnified view of a portion of point B in the middle.

[0027] Figure 10 This is a three-dimensional structural diagram of the upper mold device.

[0028] Figure 11 This is a top view of the upper mold assembly.

[0029] Figure 12 This is a three-dimensional structural diagram of the upper mold device when the pressure window plate is removed (the bending block is retained in the diagram).

[0030] Figure 13 This is a top view of the upper mold device when the pressure window plate is removed (the bent block is retained in the figure).

[0031] Figure 14 This is a three-dimensional structural diagram of the female snap-fit ​​metal fitting.

[0032] Figure 15 This is a three-dimensional structural diagram of the metal fittings with snap fasteners.

[0033] Figure 16 This is a three-dimensional structural diagram of a snap-fit ​​metal fitting in a snap-fit ​​configuration.

[0034] In the diagram: 01, lower mold assembly; 02, upper mold assembly; 011, guide hole; 021, positioning protrusion; 1, lower mold base plate; 11, scrap window; 12, guide post;

[0035] 2. Round hole punching module; 21. Round hole die module; 211. Round hole die; 22. Round hole punch;

[0036] 3. Strip trimming module; 31. Trimming concave module; 311. Trimming concave die; 312. Guide strip; 313. Positioning block; 32. Trimming punch;

[0037] 4. Blanking and forming module; 41. Forming concave module; 411. Forming concave die; 412. Guide hole; 413. Limiting groove; 42. Forming punch;

[0038] 5. Reset support block mechanism; 51. Fixed block; 52. Spring placement plate; 53. Reset support block; 531. Stop block; 532. Guide rod; 54. Support spring;

[0039] 6. Bending and forming module; 61. Lower bending mechanism; 611. Lower pad block; 612. Lateral bending assembly; 613. Sliding guide; 6131. ​​Buffer block; 614. Lateral bending block; 6141. Inclined surface; 615. Return spring; 62. Upper bending mechanism; 621. Bending block; 622. Drive wedge block;

[0040] 7. Cutting and material distribution module; 71. Cutting concave module; 711. Cutting concave die; 712. Material guide side stop; 72. Cutting convex die;

[0041] 8. Upper mold base plate; 81. Spring sleeve block; 811. Limiting hole; 82. Compression spring; 83. Guide sleeve;

[0042] 9. Material pressing window plate; 91. Alternating window; 92. Countersunk through hole; 93. Supporting guide post; 931. Supporting ring. Detailed Implementation

[0043] The following detailed description of the embodiments, with reference to the accompanying drawings, aims to help those skilled in the art to have a more complete, accurate, and in-depth understanding of the concept and technical solutions of the present invention, and to facilitate its implementation, but is not intended to limit the present invention.

[0044] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 12As shown, a steel frame structure metal fitting processing and forming device includes a lower die device 01 and an upper die device 02 that cooperates with the lower die device 01. The lower die device 01 and the upper die device 02 are sequentially arranged in the material conveying direction as follows: a circular hole punching module 2, a material strip trimming module 3, a punching and forming module 4, a bending and forming module 6, and a cutting and separating module 7. The lower die device 01 is equipped with a reset support block mechanism 5 that cooperates with the punching and forming module 4. When the punching and forming module 4 completes punching and the lower die device 01 and the upper die device 02 are in a separated state, the reset support block mechanism 5 causes the portion of the material strip separated by the punching and forming module 4 to return to its original height.

[0045] Considering the thickness of the steel plate used to manufacture the metal fittings shown in Figure 16, the strip material used for production can be directly customized at the steel mill and pre-cut into long sheets of the required specifications. For example... Figure 2 As shown, in the actual forming process, the long sheet is conveyed from left to right, and sequentially passes through the round hole punching module 2 to complete the positioning round hole punching, through the strip trimming module 3 to complete the strip trimming punching, through the punching and forming module 4 to complete the die punching, through the bending and forming module 6 to complete the final metal part forming, and through the cutting and separating module 7 to complete the cutting and separation of the formed metal part from the long sheet. Among them, after the die punching is completed by the punching and forming module 4, the part that is separated from the sheet by the die punching is actually the female buckle metal part (unbent) in the metal part. Then, the reset block mechanism 5 resets the punched and separated part back into the sheet. In the next round of conveying, the female buckle metal part will be conveyed with the sheet to the bending and forming module 6. At this module, the separated female buckle metal part and the female buckle metal part connected to the sheet will be bent together. The following will be explained in detail with reference to each module:

[0046] like Figure 5 and Figure 10As shown, the lower die device 01 includes a lower die base plate 1, and the upper die device 02 includes an upper die base plate 8 and a pressure window plate 9 assembled on the upper die base plate 8. The upper die base plate 8 and the lower die base plate 1 are aligned and guided. Four guide pillars 12 are fixed on the lower die base plate 1, and four guide sleeves 83 are fixed on the upper die base plate 8, which are guided and guided one-to-one with the four guide pillars 12. In actual production and processing, the entire device will be erected on a punch press of the corresponding tonnage, and pads can be installed on the upper die base plate 8 and the lower die base plate for erection and fixation. When the lower die device 01 and the upper die device 02 are in the mold closing state, the pressure window plate 9 is located between the upper die base plate 8 and the lower die base plate 1. Three spring sleeve blocks 81 are fixedly installed on the bottom surface of the upper mold base plate 8 by bolts. The three spring sleeve blocks 81 are all cubic in shape and of different sizes. Multiple vertical through holes 811 are evenly distributed in a rectangular array on the spring sleeve blocks 81. The pressure window plate 9 is provided with eight axially vertical countersunk through holes 92. The eight countersunk through holes 92 are divided into two groups, and the two groups of countersunk through holes 92 are distributed close to the two opposite sides of the pressure window plate 9. A support guide post 93 is vertically slidably installed through the countersunk through hole 92. One end is fixed to the upper mold base plate 8 by bolts. An integrally formed support ring 931 is provided on the support guide post 93. The support ring 931 is located in the countersunk groove of the countersunk through hole 92 to support the pressure window plate 9. A compression spring 82 is placed in each limiting hole 811. The limiting hole 811 plays a role in limiting and straightening the compression spring 82, so that the compression spring 82 is in a vertical straight state. When the pressure window plate 9 is horizontally supported on the eight support guide posts 93, the two ends of the compression spring 82 are clamped and contacted between the upper mold base plate 8 and the pressure window plate 9.

[0047] like Figure 3 , Figure 5 , Figure 7 , Figure 11 , Figure 12 and Figure 13 As shown, the round hole punching module 2 includes a round hole recess module 21 fixed to the lower die plate 1 by bolts and a round hole punch 22 fixed to the upper die plate 8 by bolts; the round hole recess module 21 is provided with a round hole die 211 that aligns and mates with the round hole punch 22. The round hole punching module 2 is used for punching and forming positioning holes in sheet metal.

[0048] like Figure 2 , Figure 3 , Figure 5 , Figure 7 , Figure 10 , Figure 11 , Figure 12 and Figure 13As shown, the strip trimming module 3 includes two trimming recess modules 31 that are bolted to the lower die base plate 1 and are mirror-symmetrically distributed on both sides of the circular hole recess module 21 in a direction perpendicular to the feeding direction. Each trimming recess module 31 is equipped with a trimming die 311. The strip trimming module 3 also includes two trimming punches 32 that are bolted to the upper die base plate 8 and correspond one-to-one with the two trimming dies 311. The strip trimming module 3 is used to trim the two sides of the strip, and simultaneously, through trimming, makes the metal fitting component bendable.

[0049] like Figure 3 and Figure 5 As shown, each of the two trimming recessed modules 31 is equipped with a guide strip 312 and a positioning block 313. The two guide strips 312 are mirror-symmetrically arranged for guiding the conveyor belt on both sides. The guide strips 312 are provided with oblong holes. Bolts pass through the oblong holes to fix the guide strips 312 to the upper end face of the trimming recessed module 31. A guide bay is formed between the guide strips 312 and the upper end face of the trimming recessed module 31. Long sheets will be placed in the two guide bays for guidance and conveying. In addition, the oblong holes allow for adjustment of the side clamping tightness of the two guide strips 312 on the sheet. The two positioning blocks 313 are mirror-symmetrically arranged for positioning the front end of the conveyor belt. The positioning blocks 313 are rectangular blocks and are open-ended. The material is fixed to the trimming die 31 by bolts. During actual processing, when the long sheet is conveyed forward to the two positioning blocks 313 by the guide of the two guide bars 312, the two positioning blocks 313 can block the front end of the sheet, so that the front edge of the sheet is flush with the corresponding edge of the trimming die 311. The distance between the two positioning blocks 313 is less than the initial width of the sheet being processed and greater than the width of the sheet after trimming and punching. Therefore, after trimming and punching, when the feeding is pushed again, the trimmed part of the sheet can pass between the two positioning blocks 313, and the step position of the sheet formed by trimming and punching will be blocked and positioned by the two positioning blocks 313 again, thus realizing the positioning of the sheet conveying.

[0050] like Figure 2 , Figure 5 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 and Figure 13As shown, the blanking forming module 4 includes a forming concave module 41 fixed to the lower die base plate 1 by bolts and a forming punch 42 fixed to the upper die base plate 8 by bolts. The forming concave module 41 is provided with a forming die 411 that aligns and cooperates with the forming punch 42. The blanking forming module 4 is used for blanking and separating the female buckle metal fitting part. After blanking is completed, the separated female buckle metal fitting part completes planar forming, and at the same time, the female buckle metal fitting part connected to the sheet metal naturally completes planar forming after the female buckle metal fitting part is blanked and separated.

[0051] like Figure 2 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 As shown, the reset support block mechanism 5 is configured to cooperate with the forming cavity module 41; the forming cavity module 41 is provided with two guide holes 412, and the bottom end of the forming cavity module 41 is provided with a limiting groove 413 at each guide hole 412; the lower mold base plate 1 is provided with a scrap window 11 corresponding to the position below the forming cavity 411; the reset support block mechanism 5 includes two fixing blocks 51 fixed to the bottom end plate surface of the lower mold base plate 1 by bolts, a spring placement plate 52 horizontally fixed between the bottom ends of the two fixing blocks 51 by bolts, multiple support springs 54, and a reset support block 53 embedded in the forming cavity 411; the edge of the reset support block 53 is a proportionally reduced structure of the edge of the trimming cavity 311, and the reset support block 53 is a fixed block 53 embedded in the forming cavity 411. Block 53 passes through the waste window 11. The reset support block 53 is provided with two corresponding stops 531 embedded in the two limiting grooves 413. Each stop 531 is vertically welded with a guide rod 532, and the guide rod 532 passes through the guide hole 412. The two ends of the support spring 54 are respectively embedded in the top end of the spring placement plate 52 and the bottom end of the reset support block 53. Both the spring placement plate 52 and the reset support block 53 are machined with blind holes for supporting the embedded placement of the spring 54. When the stop 531 is in contact with the limiting groove 413 under the elastic force of the support spring 54, the upper end surface of the reset support block 53 is flush with the upper end surface of the forming concave module 41, and the guide rod 532 passes upward through the guide hole 412.

[0052] like Figure 2 , Figure 4 , Figure 5 , Figure 7 , Figure 10 , Figure 11 , Figure 12 and Figure 13As shown, the bending forming module 6 includes a lower bending mechanism 61 disposed on the lower die base plate 1 and an upper bending mechanism 62 disposed on the upper die base plate 8. The lower bending mechanism 61 includes a lower pad block 611 fixed to the lower die base plate 1 by bolts and lateral bending components 612 mirror-symmetrically distributed on both sides of the lower pad block 611 perpendicular to the feeding direction. The lateral bending components 612 include a sliding guide 613 fixed to the lower die base plate 1 by bolts and lateral bending blocks 614 slidably mounted on the sliding guide 613. The guiding direction of the sliding guide 613 is perpendicular to the feeding direction. A plurality of return springs 615 are horizontally disposed between the sliding guide 613 and the lower pad block 611. Both the sliding guide 613 and the lower pad block 611 are horizontally disposed with placement holes for the placement of the return springs 615. The two ends of the return springs 615 are embedded in the placement holes. Under the elastic force of the return springs 615, the lateral bending blocks 614 away from the lower pad block 611 are bent. The end is pressed against the sliding guide 613, and a rubber buffer block 6131 is fixed to the sliding guide 613 by bolts. The lateral bending block 614 can be pressed against the buffer block 6131. ​​The lateral bending block 614 is provided with an inclined surface 6141, which is inclined from top to bottom from the end near the lower pad 611 to the end away from the lower pad 611. The upper bending mechanism 62 includes a bending block 621 fixed to the upper surface of the pressure window plate 9 by bolts. The bending block 621 is flush with both sides of the pressure window plate 9, and is located directly above the lower pad block 611. The upper bending mechanism 62 also includes two drive wedges 622 that are bolted to the upper die plate 8 and are symmetrically distributed on both sides of the bending block 621. The two drive wedges 622 are matched with the two lateral bending blocks 614 one-to-one, and the lower wedge surface of the drive wedge 622 is parallel to the inclined surface 6141 of the lateral bending block 614. The bending forming module 6 can complete the overall bending forming of the female buckle metal fitting part and the female buckle metal fitting part.

[0053] like Figure 2 , Figure 4 , Figure 5 , Figure 7 , Figure 10 , Figure 11 , Figure 12 and Figure 13 As shown, the cutting and separating module 7 includes a cutting concave module 71 fixed to the lower die base plate 1 by bolts and a cutting punch 72 fixed to the upper die base plate 8 by bolts. The cutting concave module 71 is provided with a cutting die 711 that aligns and cooperates with the cutting punch 72. The cutting concave module 71 has guide side stops 712 symmetrically arranged on both sides of the strip conveying direction for guiding the conveying of the bent strip portion. The cutting and separating module 7 can achieve the cutting and separation of the metal fitting part and the sheet metal.

[0054] like Figure 5 , Figure 6 and Figure 10 As shown, in addition to the scrap window 11 located below the forming die 411, scrap windows 11 are also provided below the round hole die 211, the trimming die 311, and the cutting die 711 on the lower die base plate 1. On the pressure window plate 9, corresponding to the round hole punch 22, the trimming punch 32, the forming punch 42, and the cutting punch 72, there are also clearance windows 91 that allow passage. Furthermore, to facilitate sheet positioning, scrap windows 91 are provided on the round hole die 211 and the forming die 411. Each of the two guide holes 011 is provided on the die 1. The diameter of the guide hole 011 is the same as the diameter of the round hole die 211. The two guide holes 011 and the round hole die 211 are equidistantly distributed along the material conveying direction. Two positioning protrusions 021 are provided on the pressure window plate 9, which correspond one-to-one with the two guide holes 011. When the die is closed, the positioning protrusions 021 can pass through the positioning round hole obtained by the round hole punch 22 on the material and be inserted into the corresponding guide hole 011 to facilitate the positioning of the material forming process.

[0055] During the actual processing, the lower die device 01 and the upper die device 02 are fixedly mounted on the punch press of the corresponding tonnage in the closed state. After the mounting is completed, the die separation is started, and the long sheet is conveyed forward between the two guide bars 312 until the front end of the sheet contacts and is positioned by the two positioning blocks 313. Then, continuous stamping and forming processing is carried out.

[0056] When the sheet material completes its first feeding and positioning, the positioning hole punching and trimming punching will be performed simultaneously. Specifically, during the stamping process, the upper die device 02 will move downward relative to the lower die device 01. As it descends, the pressure window plate 9 will directly press onto the sheet material. Subsequently, as it continues to descend, the pressure window plate 9 remains stationary. Under the guidance of the eight support guide pillars 93, the upper die base plate 8 will continue to descend, and the compression spring 82 will gradually compress. The round hole punch 22 and the two trimming punches 32 will simultaneously pass through the clearance window 91. The round hole punch 22 and the round hole die 211 will cooperate to complete the positioning hole punching, and the trimming punch 32 and the trimming die 311 will cooperate to complete the trimming punching. In subsequent punching processes, the movement process of the pressure window plate 9 and the upper die base plate 8 is the same and will not be described again.

[0057] When the sheet is pushed to the punching and forming module 4, the forming punch 42 punches against the forming die 411, so that the female buckle metal part is punched and separated in a planar state, and correspondingly, the planar forming of the male buckle metal part is completed simultaneously. During the blanking process, when the pressure window plate 9 is pressed on the sheet material, the pressure window plate 9 will press against the two guide rods 532 simultaneously, so that the two guide rods 532 are completely hidden in the guide hole 412. The two guide rods 532 will synchronously drive the reset block 53 to descend from the position flush with the forming die 41. The support spring 54 will be compressed to the maximum state, and the reset block 53 will pre-complete the avoidance with the forming punch 42. Then the forming punch 42 will punch against the forming die 411 to complete the blanking. When the upper die device 02 rises as a whole, the forming punch 42 will first exit from the forming die 411. Then, the pressure window plate 9 will gradually rise until it completely releases the pressing contact with the two guide rods 532. Finally, under the elastic force of the support spring 54, the reset block 53 rises and resets, and lifts the female buckle metal part that has completed the blanking separation to the height aligned with the sheet material.

[0058] As the sheet continues to be pushed, the separated female buckle metal parts and the female buckle metal parts connected to the sheet will be simultaneously pushed to the bending forming module 6. During bending, the pressure window plate 9 will first press against the sheet. As the pressure continues, the two drive wedges 622 will descend synchronously with the upper die plate 8. The lower end face of the drive wedge 622 will press against the inclined surface 6141 of the corresponding lateral bending block 614 below, thereby pushing the two lateral bending blocks 614 to slide towards each other. Then, with the cooperation of the bending block 621, the bending forming surfaces of the two lateral bending blocks 614 will simultaneously bend the planar letter metal parts. This completes the bending of the sheet. Figure 16 The metal fittings shown are integrally formed. It should be noted that when the first metal fitting at the front end of the entire sheet is bent, the next continuously formed metal fitting is being punched at the punching module 4, where the planar female metal fitting part is being punched. This planar female metal fitting part has been cut off from the male metal fitting part of the first metal fitting at the front end of the sheet, but there is still excess material in the male metal fitting. When the subsequent female metal fitting is reset by the reset block mechanism 5, the first bent metal fitting can still be directly pushed to the cutting and separating module 7 when the sheet is fed again. At this position, the excess material of the male metal fitting can be cut off.

[0059] When the material is finally pushed to the cutting and separating module 7, after another punching, the cutting punch 72 will cooperate with the cutting die 711 to complete the cutting and punching, so that the remaining material of the metal part of the buckle is cut off and separated. At this point, a complete metal part is processed and separated from the sheet.

[0060] The steel frame structure metal parts processing and forming device provided by the present invention can process, for example, Figure 16 The metal fittings shown are formed by continuous stamping, which replaces the traditional multi-step single-process stamping operation that relies on manual labor. It can realize continuous batch processing and forming, effectively avoid human operation errors, solve the problem of matching errors between random snap-fitting of any male and female metal fittings, and facilitate the random combination and assembly of metal fittings.

[0061] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A processing and forming device for metal fittings of steel frame structures, characterized in that: It includes a lower die device (01) and an upper die device (02) that cooperates with the lower die device (01); the lower die device (01) and the upper die device (02) are provided with a circular hole punching module (2), a strip trimming module (3), a punching forming module (4), a bending forming module (6), and a cutting and separating module (7) arranged sequentially in the strip conveying direction; wherein: The lower die device (01) is equipped with a reset support block mechanism (5) that cooperates with the punching and forming module (4). When the punching and forming module (4) completes the punching and the lower die device (01) and the upper die device (02) are in a mold separation state, the reset support block mechanism (5) causes the part of the strip that was punched and separated by the punching and forming module (4) to be reset and rise to the height of the strip. The lower mold device (01) includes a lower mold base plate (1), and the upper mold device (02) includes an upper mold base plate (8) and a pressure window plate (9) mounted on the upper mold base plate (8). The upper mold base plate (8) and the lower mold base plate (1) are aligned and guided together. When the lower mold device (01) and the upper mold device (02) are in the mold closing state, the pressure window plate (9) is located between the upper mold base plate (8) and the lower mold base plate (1). Multiple spring sleeves (81) are fixedly installed on the bottom surface of the upper mold base plate (8). Multiple vertical through holes (811) are evenly distributed on the spring sleeves (81). Multiple axially vertical countersunk through holes (92) are provided on the pressure window plate (9). A support guide post (93) is vertically slidably installed in the countersunk through hole (92). One end of the support guide post (93) is fixed on the upper mold base plate (8). A compression spring (82) is placed in each of the limiting holes (811). When the pressure window plate (9) is horizontally supported on the multiple support guide posts (93), the two ends of the compression spring (82) are clamped and contacted between the upper mold base plate (8) and the pressure window plate (9). The circular hole punching module (2) includes a circular hole concave module (21) fixed on the lower die plate (1) and a circular hole punch (22) fixed on the upper die plate (8); the circular hole concave module (21) is provided with a circular hole concave die (211) that is aligned and cooperates with the circular hole punch (22). The strip trimming module (3) includes two trimming recess modules (31) fixed on the lower die base plate (1) and mirror-symmetrically distributed on both sides of the circular hole recess module (21) in a direction perpendicular to the feeding direction. The trimming recess module (31) is provided with a trimming die (311). The strip trimming module (3) also includes two trimming punches (32) fixed on the upper die base plate (8) and corresponding to the two trimming dies (311). The blanking forming module (4) includes a forming concave module (41) fixed on the lower die base plate (1) and a forming punch (42) fixed on the upper die base plate (8). The forming concave module (41) is provided with a forming concave die (411) that is aligned and cooperates with the forming punch (42). The reset support block mechanism (5) is configured to cooperate with the forming cavity module (41); the forming cavity module (41) is provided with a plurality of guide holes (412), and the bottom end of the forming cavity module (41) is provided with a limiting groove (413) at each of the guide holes (412); the lower mold base plate (1) is provided with a waste window (11) corresponding to the position below the forming cavity (411); the reset support block mechanism (5) includes two fixing blocks (51) fixed on the bottom end plate surface of the lower mold base plate (1), a spring placement plate (52) horizontally fixed between the bottom ends of the two fixing blocks (51), a plurality of support springs (54), and a reset support block (53) embedded in the forming cavity (411); the reset support block (53) Passing through the waste window (11), the reset block (53) is provided with a plurality of stops (531) that are embedded one-to-one in the plurality of limiting grooves (413). Each stop (531) is vertically fixed with a guide rod (532), and the guide rod (532) passes through the guide hole (412). The two ends of the support spring (54) are respectively embedded in the top end of the spring placement plate (52) and the bottom end of the reset block (53). When the stop (531) is in contact with the limiting groove (413) under the elastic force of the support spring (54), the upper end surface of the reset block (53) is flush with the upper end surface of the forming concave module (41), and the guide rod (532) passes upward through the guide hole (412).

2. The steel frame structure metal fitting processing and forming device according to claim 1, characterized in that: The bending forming module (6) includes a lower bending mechanism (61) disposed on the lower mold base plate (1) and an upper bending mechanism (62) disposed on the upper mold base plate (8) and aligned with the lower bending mechanism (61).

3. The steel frame structure metal fitting processing and forming device according to claim 1, characterized in that: The cutting and material distribution module (7) includes a cutting concave module (71) fixed on the lower mold base plate (1) and a cutting punch (72) fixed on the upper mold base plate (8). The cutting concave module (71) is provided with a cutting concave die (711) that is aligned and cooperates with the cutting punch (72).

4. The steel frame structure metal fitting processing and forming device according to claim 1, characterized in that: Both trimming recess modules (31) are provided with guide strips (312) and positioning blocks (313). The two guide strips (312) are mirror-symmetrically arranged for conveying and guiding the material belt on both sides, and the two positioning blocks (313) are mirror-symmetrically arranged for conveying and positioning the material belt at the front end.

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