CN118002661A - Abnormal shape fastener bending device - Google Patents
Abnormal shape fastener bending device Download PDFInfo
- Publication number
- CN118002661A CN118002661A CN202410405338.9A CN202410405338A CN118002661A CN 118002661 A CN118002661 A CN 118002661A CN 202410405338 A CN202410405338 A CN 202410405338A CN 118002661 A CN118002661 A CN 118002661A
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- block
- supporting
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- 238000005452 bending Methods 0.000 title claims abstract description 70
- 230000002159 abnormal effect Effects 0.000 title description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 30
- 239000000498 cooling water Substances 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 8
- 239000002826 coolant Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/165—Cooling equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a bending device for a special-shaped fastener, and relates to the technical field of fastener production. The special-shaped fastener bending device comprises a workbench and a blank, and further comprises: the bending mechanism comprises a side plate fixed at the bottom of the workbench and a guide wheel rotatably connected to the workbench, and a hydraulic cylinder is fixed on the side surface of the side plate. According to the invention, through the arrangement of the lifting mechanism and the heating mechanism, the lifting mechanism is used for supporting and positioning the blank and driving the blank to rotate in the descending process, the blank is rapidly and uniformly heated through the two heating modules of the heating mechanism in the rotating process, and the stress concentration of the bending position of the blank is reduced, so that the crack of the bending position of the blank is prevented, the cracking of the bending position is avoided, meanwhile, the blank is softer, the bending is easier to control and operate through the heating treatment, the accuracy and consistency of bending are improved, and the quality of the bent product is ensured.
Description
Technical Field
The invention relates to the technical field of fastener production, in particular to a special-shaped fastener bending device.
Background
The special-shaped fastener is a fastener with different shapes or structures from those of common bolts and nuts, and the common special-shaped fastener comprises a U-shaped bolt, a Y-shaped bolt, a T-shaped bolt, an L-shaped bolt and the like, wherein the U-shaped bolt is produced by firstly cutting raw materials into blanks with proper lengths according to requirements, then machining threads at two ends of the blanks, then bending the blanks with the machined threads by using a bending machine, and the U-shaped bolt can be obtained after bending is completed.
For this reason, the patent with publication number CN109647950B discloses a bending device for U-bolts, comprising a base, a rotary bending mechanism, a positioning mechanism and a limiting mechanism; the rotary bending mechanism comprises a speed reducing motor, a rotating shaft, a supporting ring and a pinch roller; the support ring is fixed on the base; the rotating shaft is arranged in the central hole of the supporting ring; the pinch roller is arranged on the rotating shaft; the speed reducing motor is connected with the rotating shaft; the positioning mechanism comprises a sliding seat, a sliding plate, a positioning adjusting piece and a positioning plate; the sliding seat is arranged on the base; the sliding plate is in sliding fit with the sliding seat; the positioning adjusting piece is connected between the sliding plate and the sliding seat; the positioning plate is fixed on the sliding plate; the limiting mechanism comprises a turntable, a turntable positioning assembly, an adjusting rod and a limiting switch; the turntable is arranged on the base and provided with a connecting column; the turntable positioning assembly is connected between the turntable and the base; the adjusting rod is connected to the connecting column; the limit switch is arranged on the adjusting rod and positioned on the rotating track of the connecting piece. The invention can bend bolts with different lengths and prevent the bolts from moving axially during bending.
The above patent utilizes rotatory bending mechanism to realize bending to the blank to obtain U type bolt, but before bending, do not carry out the heat treatment to the bending position of blank, blank hardness is higher, can produce great internal stress in bending process, and these internal stresses can accumulate in the bending position, lead to stress concentration, arouse the production of crackle easily, and increased the risk of bending position fracture.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bending device for a special-shaped fastener, which solves the problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a profiled fastener bending device comprising a workbench and a blank, further comprising: the bending mechanism comprises a side plate fixed at the bottom of the workbench and a guide wheel rotatably connected to the workbench, a hydraulic cylinder is fixed on the side surface of the side plate, a movable block is fixed at the telescopic end of the hydraulic cylinder, and a pushing block for bending blanks is fixed on the movable block;
The lifting mechanism is used for supporting the blank and driving the blank to rotate in the process of descending the blank;
The heating mechanism is used for uniformly and rapidly heating the blank to reduce the phenomenon of internal stress concentration when the blank is bent, and an L-shaped supporting block used for supporting the heating mechanism is fixed on the workbench;
and the cooling deslagging mechanism is used for cooling shaping and deslagging after bending the blank.
Further, a guide block sliding along the inner wall of the side plate is fixed on the side surface of the movable block, and the guide block is used for guiding the movable block and the pushing block in the moving process.
Further, the inner wall of the side plate is isosceles trapezoid, and is used for improving the guiding capability of the movable block and the pushing block.
Further, the lifting mechanism comprises a supporting wheel for supporting the blank and a supporting rod penetrating through the workbench, a supporting seat is fixed on the supporting rod, the supporting wheel is rotationally connected inside the supporting seat through a wheel shaft, a rotating assembly for driving the blank to rotate in the descending process is arranged on the side face of the supporting seat, a first proximity switch sensor is fixed inside the supporting seat, an air cylinder for driving the supporting seat to move up and down is fixed at the bottom of the workbench, a connecting piece is fixed between the telescopic end of the air cylinder and the supporting rod, a second proximity switch sensor is inlaid on the inner wall of the side plate, and the air cylinder is electrically connected with the first proximity switch sensor and the second proximity switch sensor.
Further, the rotating assembly comprises a gear fixed at the end part of the riding wheel shaft and a toothed rail fixed on the inner wall of the workbench, and the gear is meshed with the toothed rail.
Further, a guide sleeve is fixed at the bottom of the workbench, the inner wall of the guide sleeve is in sliding connection with the surface of the support rod, and the guide sleeve is used for guiding the support rod in the vertical movement process.
Further, the heating mechanism comprises a bracket fixed on the bracket, a connecting component is arranged on the bracket, the rear side of the bracket is connected with a guide box through the connecting component, two heating modules for heating blanks are slidably connected inside the guide box, a servo motor electrically connected with the first proximity switch sensor and the second proximity switch sensor is arranged on the side face of the guide box, and the servo motor drives the two heating modules to move through a driving component.
Further, the connecting assembly comprises a guide post fixed on the support and a connecting block fixed on the guide box, the connecting block is movably sleeved on the guide post, a disc is fixed on the guide post, and a spring is fixed between the connecting block and the disc.
Further, cooling deslagging mechanism is including fixing the coolant tank in the workstation bottom and fixing the gear motor in coolant tank bottom, and coolant tank is inside to have and be used for carrying out refrigerated water to the blank after bending, and gear motor's output shaft is fixed with and is used for driving blank pivoted carousel after bending, all is fixed with the brush hair that is used for carrying out the scarfing cinder to the blank surface after bending on coolant tank inner wall and the carousel.
Further, two symmetrically distributed poking columns are fixed in the cooling water tank and are cylindrical.
The invention has the following beneficial effects: (1) This abnormal shape fastener bending device, through lifting mechanism and heating mechanism's setting, utilize lifting mechanism to support the location to the blank and drive its decline in-process rotation, realize quick and even heating to the blank through two heating module of heating mechanism in the rotatory in-process, reduce the stress concentration of blank bending position, thereby prevent that the blank from bending position crackle and producing, avoid bending position and take place the fracture, simultaneously through heating treatment, can make the blank softer, bend and control and operate more easily, help improving accuracy and the uniformity of bending, guarantee the product quality after bending.
(2) This abnormal shape fastener bending device, through cooling slag removal mechanism's setting, in being pushed into cooling slag removal mechanism by the ejector pad after the blank is bent and is formed U type bolt, water in the coolant tank cools off U type bolt, helps releasing U type bolt inside residual stress, improves U type bolt stability, cools off the design to U type bolt simultaneously, guarantees U type bolt stable in size, improves the dimensional accuracy and the uniformity of product to improve product quality.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the hydraulic cylinder structure of the present invention;
FIG. 3 is a front cross-sectional view of a cylinder of the present invention;
FIG. 4 is a right side cross-sectional view of a gear of the present invention;
FIG. 5 is a right cross-sectional view of the riding wheel of the present invention;
FIG. 6 is a top cross-sectional view of a heating module of the present invention;
FIG. 7 is a top cross-sectional view of the movable block of the present invention;
FIG. 8 is a schematic view of the internal structure of the cooling water tank of the present invention;
Fig. 9 is a right cross-sectional view of the coolant tank of the present invention.
In the figure, 1, a workbench; 2. a bending mechanism; 21. a hydraulic cylinder; 22. a pushing block; 23. a movable block; 24. a side plate; 25. a guide block; 26. a guide wheel; 3. a lifting mechanism; 31. a cylinder; 32. a first proximity switch sensor; 33. a bracket; 34. a riding wheel; 35. a rotating assembly; 351. a gear; 352. a toothed rail; 36. a connecting piece; 37. a guide sleeve; 38. a second proximity switch sensor; 39. a support rod; 4. a heating mechanism; 41. a heating module; 42. a guide box; 43. a connection assembly; 431. a guide post; 432. a connecting block; 433. a spring; 434. a disc; 44. a bracket; 5. cooling and deslagging mechanism; 51. a cooling water tank; 52. a speed reducing motor; 53. a turntable; 54. brushing; 55. a poking column; 6. an L-shaped support block; 7. and (5) blank material.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements 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. 1-9, the embodiment of the present invention provides a technical solution: the utility model provides a abnormal shape fastener bending device, includes workstation 1 and blank 7, and blank 7 is the raw materials of processing U type bolt promptly, still includes: the bending mechanism 2 comprises a side plate 24 fixed at the bottom of the workbench 1 and guide wheels 26 rotatably connected to the workbench 1, wherein the number of the guide wheels 26 is two, a hydraulic cylinder 21 is fixed on the side surface of the side plate 24, a movable block 23 is fixed at the telescopic end of the hydraulic cylinder 21, a push block 22 for bending a blank 7 is fixed on the movable block 23, after the blank 7 falls between the guide wheels 26 and the push block 22, the hydraulic cylinder 21 drives the push block 22 to move, the push block 22 extrudes the blank 7, and the blank 7 is bent into a U-shaped bolt under the combined action of the guide wheels 26 and the push block 22;
The lifting mechanism 3 is used for supporting the blank 7 and driving the blank 7 to rotate in the descending process of the blank 7, after the blank 7 is placed on the lifting mechanism 3, the blank 7 can be driven to descend to the bending mechanism 2 through the lifting mechanism 3 and is driven to rotate in the descending process, and the blank 7 is driven to rotate so as to be beneficial to realizing subsequent uniform heating treatment;
the heating mechanism 4 is used for uniformly and rapidly heating the blank 7 to reduce the phenomenon of internal stress concentration when the blank 7 is bent, the L-shaped supporting block 6 used for supporting the heating mechanism 4 is fixed on the workbench 1, after the heating mechanism 4 descends to the L-shaped supporting block 6, the L-shaped supporting block 6 blocks the heating mechanism 4 to prevent the heating mechanism 4 from continuously descending to influence the bending of the blank 7, the hardness of the blank 7 can be reduced through heating treatment before the blank 7 is bent, the plasticity of the blank 7 is improved, the blank 7 is easier to generate plastic deformation during bending, the accumulation of internal stress is reduced, the risk of cracking at the bending position is reduced, meanwhile, the structure of the blank 7 is changed through heating treatment, the stress concentration phenomenon inside the blank 7 is reduced, the stress is more uniform during bending, the possibility of cracking is reduced, the bending is easier to control and operate through heating, the bending accuracy and the consistency are improved, and the quality of the U-shaped bolt after bending is ensured;
The cooling deslagging mechanism 5, cooling deslagging mechanism 5 is used for cooling shaping and deslagging after the blank 7 is bent, the blank 7 is heated and bent to form a U-shaped bolt, the U-shaped bolt is pushed into the cooling deslagging mechanism 5 by the push block 22 to cool shaping and remove residues on the surface of the U-shaped bolt, which are generated by bending after heating, the U-shaped bolt is cooled to help release residual stress inside the U-shaped bolt, the stability of the U-shaped bolt is improved, the U-shaped bolt is cooled and shaped simultaneously, the dimensional stability of the U-shaped bolt is guaranteed, the dimensional accuracy and consistency of products are improved, and therefore the quality of the products is improved.
Specifically, a guide block 25 sliding along the inner wall of the side plate 24 is fixed to the side surface of the movable block 23, and the guide block 25 is used for guiding the movable block 23 and the push block 22 during movement.
In this embodiment, referring to the figure, when the movable block 23 moves, the guide block 25 is driven to move along the inner wall of the side plate 24, and the guide block 25 guides the movement of the movable block 23 and the push block 22, so that the movement of the push block 22 is more stable, thereby improving the bending precision of the blank 7.
Specifically, the inner wall of the side plate 24 has an isosceles trapezoid shape for improving the guiding ability to the movable block 23 and the push block 22.
In this embodiment, referring to the figure, the shape of the guide block 25 is adapted to the shape of the inner wall of the side plate 24, and both are in contact with an isosceles trapezoid, so that the contact area between the two is increased by the isosceles trapezoid, thereby improving the guiding capability of the movable block 23 and the push block 22 in the moving process.
Specifically, the lifting mechanism 3 comprises a supporting roller 34 for supporting the blank 7 and a supporting rod 39 penetrating through the workbench 1, a supporting seat 33 is fixed on the supporting rod 39, the supporting roller 34 is rotatably connected inside the supporting seat 33 through a wheel shaft, a rotating assembly 35 for driving the blank 7 to rotate in the descending process is arranged on the side surface of the supporting seat 33, a first proximity switch sensor 32 is fixed inside the supporting seat 33, an air cylinder 31 for driving the supporting seat 33 to move up and down is fixed at the bottom of the workbench 1, a connecting piece 36 is fixed between the telescopic end of the air cylinder 31 and the supporting rod 39, a second proximity switch sensor 38 is embedded in the inner wall of the side plate 24, and the air cylinder 31 is electrically connected with the first proximity switch sensor 32 and the second proximity switch sensor 38.
In this embodiment, referring to fig. 1, 3, 5 and 7, the cylinder 31, the first proximity switch sensor 32 and the second proximity switch sensor 38 are connected to a control system, after the blank 7 is placed on the roller 34 on the bracket 33, the first proximity switch sensor 32 senses the blank 7, the control system controls the extension of the piston rod of the cylinder 31 to drive the bracket 33 and the blank 7 on the bracket 33 to move downwards through the connecting piece 36 and the support rod 39, and after the second proximity switch sensor 38 senses the guide block 25, the control system controls the piston rod of the cylinder 31 to shorten, so that the bracket 33 moves upwards, and after the guide block 25 contacts the second proximity switch sensor 38, the blank 7 is bent into a U-shaped bolt, at this time, the blank 7 no longer blocks the bracket 33, so that the ascending movement of the bracket 33 is not affected.
Specifically, the rotating assembly 35 includes a gear 351 fixed to an end of the axle of the riding wheel 34 and a rack 352 fixed to an inner wall of the table 1, and the gear 351 is engaged with the rack 352.
In this embodiment, referring to fig. 4, two supporting wheels 34 are installed inside the same bracket 33, a gear 351 is connected to the supporting wheel 34 at the rear side through a wheel shaft, a toothed rail 352 is formed by a guide rail and a toothed groove formed in the inner wall of the guide rail, the supporting wheel 34 is driven to move downwards in the downward moving process of the bracket 33, the supporting wheel 34 drives the gear 352 to move downwards along the inner wall of the toothed rail 352, the gear 351 is meshed with the toothed rail 351 so as to enable the gear 351 to rotate in the downward moving process, and the gear 351 can drive the supporting wheel 34 to rotate through the wheel shaft, so that the supporting wheel 34 drives the blank 7 to rotate in the descending process.
Specifically, a guide sleeve 37 is fixed at the bottom of the workbench 1, the inner wall of the guide sleeve 37 is in sliding connection with the surface of the support rod 39, and the guide sleeve 37 is used for guiding the support rod 39 in the vertical movement process.
In this embodiment, referring to fig. 3, the support rod 39 moves along the inner wall of the guide sleeve 37 when moving, and the guide sleeve 37 guides the support rod 39 and the bracket 33 in the vertical movement, so that the movement is smoother.
Specifically, the heating mechanism 4 includes a bracket 44 fixed on the bracket 33, a connecting component 43 is arranged on the bracket 44, the rear side of the bracket 44 is connected with a guide box 42 through the connecting component 43, two heating modules 41 for heating the blank 7 are slidably connected in the guide box 42, a servo motor electrically connected with the first proximity switch sensor 32 and the second proximity switch sensor 38 is arranged on the side surface of the guide box 42, and the servo motor drives the two heating modules 41 to move through a driving component.
In this embodiment, referring to fig. 6, after the first proximity switch sensor 32 senses the blank 7, the controller makes the servo motor rotate forward, the servo motor drives the two heating modules 41 to approach each other, and starts counting the number of turns, after the servo motor rotates to a set number of turns, the controller stops the rotation of the servo motor, when the second proximity switch sensor 38 detects the guide block 25, the controller makes the servo motor rotate reversely, and starts counting the number of turns, when the servo motor rotates reversely to the set number of turns, the controller stops the rotation of the servo motor, the servo motor rotates reversely to drive the two heating modules 41 to be far away from each other, the driving assembly consists of a screw rod and an internal thread block, the internal thread block is fixed at the rear side of the heating module 41, the screw rod rotates reversely corresponding to the threads at the two internal thread blocks, so that when the screw rod rotates or reversely rotates, the two internal thread blocks can be mutually close to or far away from each other, an induction coil is arranged in the heating module 41, when alternating current is transmitted through the induction coil, an alternating magnetic field is generated, the alternating magnetic field passes through the blank 7, so that vortex is generated in the blank 7, resistance heating is generated in the blank 7 by the vortex according to Faraday electromagnetic induction law, the blank 7 is quickly heated to heat the blank, magnetic fields are mutually interfered when the two heating modules 41 are mutually close, the induction coil with a special shape can be adopted or the position and the angle of the induction coil can be regulated to realize the superposition of the magnetic fields, the working frequency and the phase of the two induction coils can be regulated, the magnetic fields of the two induction coils are mutually matched, the mutual interference is reduced, and the two heating modules 41 heat the blank 7 in the rotating and downward moving process, the two heating modules 41 are close to each other to realize rapid and uniform heating of the blank 7, the heating modules 41 can be composed of ceramic blocks and induction coils, the induction coils are fixed in the ceramic blocks, and the guide boxes 42 and the driving components can be made of engineering plastic materials to prevent magnetic fields from affecting the guide boxes 42 and the driving components.
Specifically, the connection assembly 43 includes a guide post 431 fixed on the bracket 44 and a connection block 432 fixed on the guide box 42, the connection block 432 is movably sleeved on the guide post 431, a disc 434 is fixed on the guide post 431, and a spring 433 is fixed between the connection block 432 and the disc 434.
In this embodiment, referring to fig. 1 and 4, after the guide box 42 contacts the L-shaped supporting block 6 in the downward movement process, the guide box 42 stops moving downward, the bracket 33 continues to move downward to drive the guide post 431 on the bracket 44 to move downward, the guide post 431 drives the disc 434 to move downward and compress the spring 433, the spring 433 compresses to provide space for the disc 434 and the downward movement of the bracket 33, and when the bracket 33 moves upward, the bracket 33 drives the bracket 44 to move upward, and after the bracket 44 moves upward and contacts the connecting block 432, the heating mechanism 4 is driven to move upward to the initial position by the connecting block 432.
Specifically, the cooling deslagging mechanism 5 comprises a cooling water tank 51 fixed at the bottom of the workbench 1 and a gear motor 52 fixed at the bottom of the cooling water tank 51, water for cooling the bent blank 7 is stored in the cooling water tank 51, a rotary table 53 for driving the bent blank 7 to rotate is fixed on an output shaft of the gear motor 52, and bristles 54 for removing slag on the surface of the bent blank 7 are fixed on the inner wall of the cooling water tank 51 and the rotary table 53.
In this embodiment, please refer to fig. 9,U, the U-shaped bolt enters the cooling water tank 51 to contact with water, so as to cool and fix the U-shaped bolt, the U-shaped bolt falls onto the turntable 53, and the speed reducing motor 52 drives the turntable 53 to brush away residues at the bending position of the U-shaped bolt by means of bristles 54 on the inner wall of the cooling water tank 51 and the turntable 53 in the slow rotation process, so as to clean the surface of the U-shaped bolt, and take out the U-shaped bolt from the cooling water tank 51 after cleaning and cooling are completed.
Specifically, two symmetrically distributed poking columns 55 are fixed inside the cooling water tank 51, and the poking columns 55 are cylindrical.
In this embodiment, referring to fig. 9, the shifting post 55 is fixed inside the cooling water tank 51 and cannot move, the shifting post 55 is contacted during the rotation of the U-shaped bolt, the U-shaped bolt is moved on the turntable 53 through the fixed shifting post 55, and then residues at the bending position of the U-shaped bolt are brushed off by means of the inner wall of the cooling water tank 51 and the bristles 54 on the turntable 53, so that the cleaning effect on the surface of the U-shaped bolt is improved.
When the automatic feeding device is used (in working), a blank 7 is placed on the riding wheel 34 of the bracket 33, the first proximity switch sensor 32 senses the blank 7, the piston rod of the air cylinder 31 stretches to drive the bracket 33 to move downwards through the connecting piece 36 and the supporting rod 39, the bracket 33 drives the heating mechanism 4 and the gear 351 to move downwards, the gear 351 moves downwards along the toothed rail 352, the gear 351 rolls downwards along the inner wall of the toothed rail 352 to drive the riding wheel 34 to rotate, and the riding wheel 34 drives the blank 7 to rotate;
Meanwhile, the heating modules 41 of the heating mechanism 4 are started to heat the blank 7 by utilizing the electromagnetic induction principle, the servo motor of the heating mechanism 4 is started to drive the two heating modules 41 to move in opposite directions through the driving component, the two heating modules 41 and the two heating modules 41 are combined with each other to move inwards simultaneously in the descending and rotating process of the blank 7, so that the blank 7 is quickly and uniformly heated, after the guide box 42 of the heating mechanism 4 contacts the L-shaped supporting block 6 in the downward moving process, the guide box 42 stops moving downwards, the bracket 33 continues to move downwards to drive the guide post 431 on the bracket 44 to move downwards, the guide post 431 drives the disc 434 to move downwards and press the spring 433, and the spring 433 is compressed to provide space for the downward movement of the disc 434 and the bracket 33;
When the bracket 33 moves into the workbench 1, the blank 7 is attached to the workbench 1, at the moment, the hydraulic cylinder 21 can be started to enable a piston rod of the hydraulic cylinder 21 to extend, the movable block 23 drives the push block 22 to move, the push block 22 extrudes the heated blank 7, the push block 22 is utilized to extrude the blank 7 into a U shape through the cooperation of the push block 22 and the two guide wheels 26, so that a U-shaped bolt is formed, the push block 22 continues to move to push the U-shaped bolt into the cooling water tank 51, meanwhile, the movable block 23 drives the guide block 25 to move along the inner wall of the side plate 24 to guide the push block 22 in the moving process, when the proximity switch sensor II 38 in the side plate 24 senses the guide block 25, the piston rod of the cylinder 31 shortens and drives the support rod 39 and the bracket 33 to move upwards, the servo motor on the guide box 42 drives the two heating modules 41 to be away from each other through the driving component, the piston rod of the hydraulic cylinder 21 shortens and drives the push block 22 to reversely move to an initial position, the bracket 33 drives the bracket 44 to move upwards in the upward moving process, and contacts the connecting block 432 to drive the heating mechanism 4 to move upwards to the initial position through the connecting block 432;
The U-shaped bolt enters the cooling water tank 51 to be in contact with water, cooling and shaping of the U-shaped bolt are achieved, the U-shaped bolt falls onto the rotary table 53, the rotary table 53 drives the rotary table 53 to rotate in the slow rotation process of the rotary table, the U-shaped bolt is enabled to move on the rotary table 53 by the contact of the rotary table 53 and the poking column 55 in the rotation process of the U-shaped bolt, residues at the bending position of the U-shaped bolt are brushed off by means of the inner wall of the cooling water tank 51 and bristles 54 on the rotary table 53, cleaning of the surface of the U-shaped bolt is achieved, and the U-shaped bolt is taken out from the cooling water tank 51 after cleaning and cooling are completed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The special-shaped fastener bending device comprises a workbench (1) and a blank (7), and is characterized by further comprising: the bending mechanism (2) comprises a side plate (24) fixed at the bottom of the workbench (1) and a guide wheel (26) rotatably connected to the workbench (1), a hydraulic cylinder (21) is fixed on the side surface of the side plate (24), a movable block (23) is fixed at the telescopic end of the hydraulic cylinder (21), and a push block (22) for bending a blank (7) is fixed on the movable block (23);
The lifting mechanism (3) is used for supporting the blank (7) and driving the blank (7) to rotate during the descending process of the blank (7);
The heating mechanism (4) is used for uniformly and rapidly heating the blank (7) to reduce the phenomenon of internal stress concentration when the blank (7) is bent, and the L-shaped supporting block (6) used for supporting the heating mechanism (4) is fixed on the workbench (1);
and the cooling deslagging mechanism (5) is used for cooling, shaping and deslagging after bending of the blank (7).
2. A profiled fastener bending apparatus as claimed in claim 1, wherein: the side of the movable block (23) is fixedly provided with a guide block (25) sliding along the inner wall of the side plate (24), and the guide block (25) is used for guiding the movable block (23) and the pushing block (22) in the moving process.
3. A profiled fastener bending apparatus as claimed in claim 2, wherein: the inner wall of the side plate (24) is isosceles trapezoid, and is used for improving the guiding capability of the movable block (23) and the pushing block (22).
4. A profiled fastener bending apparatus as claimed in claim 1, wherein: the lifting mechanism (3) comprises a supporting roller (34) for supporting a blank (7) and a supporting rod (39) penetrating through the workbench (1), a supporting seat (33) is fixed on the supporting rod (39), the supporting roller (34) is rotationally connected inside the supporting seat (33) through a wheel shaft, a rotating assembly (35) for driving the blank (7) to rotate in the descending process is arranged on the side face of the supporting seat (33), a first proximity switch sensor (32) is fixed inside the supporting seat (33), an air cylinder (31) for driving the supporting seat (33) to move up and down is fixed at the bottom of the workbench (1), a connecting piece (36) is fixed between the telescopic end of the air cylinder (31) and the supporting rod (39), a second proximity switch sensor (38) is embedded in the inner wall of the side plate (24), and the air cylinder (31) is electrically connected with the first proximity switch sensor (32) and the second proximity switch sensor (38).
5. The profiled fastener bending device as defined in claim 4 wherein: the rotating assembly (35) comprises a gear (351) fixed at the end part of the wheel shaft of the riding wheel (34) and a toothed rail (352) fixed on the inner wall of the workbench (1), and the gear (351) is meshed with the toothed rail (352).
6. The profiled fastener bending device as defined in claim 4 wherein: the bottom of the workbench (1) is fixedly provided with a guide sleeve (37), the inner wall of the guide sleeve (37) is in sliding connection with the surface of the supporting rod (39), and the guide sleeve (37) is used for guiding the supporting rod (39) in the vertical movement process.
7. The profiled fastener bending device as defined in claim 4 wherein: the heating mechanism (4) comprises a support (44) fixed on the bracket (33), a connecting component (43) is arranged on the support (44), a guide box (42) is connected to the rear side of the support (44) through the connecting component (43), two heating modules (41) for heating the blank (7) are connected to the guide box (42) in a sliding mode, and a servo motor electrically connected with the first proximity switch sensor (32) and the second proximity switch sensor (38) is arranged on the side face of the guide box (42) and drives the two heating modules (41) to move through a driving component.
8. The profiled fastener bending device as claimed in claim 7 wherein: the connecting assembly (43) comprises a guide post (431) fixed on the bracket (44) and a connecting block (432) fixed on the guide box (42), the connecting block (432) is movably sleeved on the guide post (431), a disc (434) is fixed on the guide post (431), and a spring (433) is fixed between the connecting block (432) and the disc (434).
9. A profiled fastener bending apparatus as claimed in claim 1, wherein: the cooling slag removing mechanism (5) comprises a cooling water tank (51) fixed at the bottom of the workbench (1) and a speed reducing motor (52) fixed at the bottom of the cooling water tank (51), water for cooling the bent blank (7) is stored in the cooling water tank (51), a rotating disc (53) for driving the bent blank (7) to rotate is fixed on an output shaft of the speed reducing motor (52), and bristles (54) for removing slag on the surface of the bent blank (7) are fixed on the inner wall of the cooling water tank (51) and the rotating disc (53).
10. A profiled fastener bending apparatus as claimed in claim 9 wherein: two symmetrically distributed poking columns (55) are fixed in the cooling water tank (51), and the poking columns (55) are cylindrical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410405338.9A CN118002661B (en) | 2024-04-07 | 2024-04-07 | Abnormal shape fastener bending device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410405338.9A CN118002661B (en) | 2024-04-07 | 2024-04-07 | Abnormal shape fastener bending device |
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| CN118002661A true CN118002661A (en) | 2024-05-10 |
| CN118002661B CN118002661B (en) | 2024-06-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101892103B1 (en) * | 2018-06-15 | 2018-08-28 | (주)대양앙카볼트 | U-bolt manufacturing apparatus |
| CN212884300U (en) * | 2020-08-20 | 2021-04-06 | 沧州凯德机械有限公司 | Efficient U type bolt bender |
| CN116197273A (en) * | 2023-02-01 | 2023-06-02 | 徐州桂丰金属科技有限公司 | Aluminum alloy processing device |
| CN117399522A (en) * | 2023-10-26 | 2024-01-16 | 浙江强邦工业有限公司 | Full-automatic bending device of U type bolt standard part |
| CN220612022U (en) * | 2023-08-24 | 2024-03-19 | 苏州华丰不锈钢紧固件有限公司 | U-shaped bolt bending machine |
-
2024
- 2024-04-07 CN CN202410405338.9A patent/CN118002661B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101892103B1 (en) * | 2018-06-15 | 2018-08-28 | (주)대양앙카볼트 | U-bolt manufacturing apparatus |
| CN212884300U (en) * | 2020-08-20 | 2021-04-06 | 沧州凯德机械有限公司 | Efficient U type bolt bender |
| CN116197273A (en) * | 2023-02-01 | 2023-06-02 | 徐州桂丰金属科技有限公司 | Aluminum alloy processing device |
| CN220612022U (en) * | 2023-08-24 | 2024-03-19 | 苏州华丰不锈钢紧固件有限公司 | U-shaped bolt bending machine |
| CN117399522A (en) * | 2023-10-26 | 2024-01-16 | 浙江强邦工业有限公司 | Full-automatic bending device of U type bolt standard part |
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| CN118002661B (en) | 2024-06-04 |
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