CN113198969A - Nut cold heading machine blank multistation transmission device - Google Patents
Nut cold heading machine blank multistation transmission device Download PDFInfo
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- CN113198969A CN113198969A CN202110573017.6A CN202110573017A CN113198969A CN 113198969 A CN113198969 A CN 113198969A CN 202110573017 A CN202110573017 A CN 202110573017A CN 113198969 A CN113198969 A CN 113198969A
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- shaft
- groove
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- block
- bevel gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/64—Making machine elements nuts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a multi-station material blank transfer device of a nut cold header, which comprises a cold header body, wherein a material blank transfer mechanism is arranged at the upper end of the cold header body, and a working condition switching mechanism is arranged on one side of the material blank transfer mechanism. The clamping device has the advantages that the clamp for clamping the blank can adapt to various working conditions through the action of the blank transfer mechanism, the clamping device can be rapidly switched among 0-degree rotation, 90-degree rotation and 180-degree rotation through the action of the working condition switching mechanism, the requirements under different working conditions are met, the practicability of the clamping device is improved, the use cost and the manufacturing cost are reduced, and meanwhile, the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of blank moving of cold headers, in particular to a multi-station transfer device for a nut cold header blank.
Background
The cold header is a forging forming device for thickening the bar under the condition of normal temperature; the cold header adopts a cold heading method to form the nut and the screw hole; the cold header is directly formed into a required shape and size, cutting work is reduced, a large amount of materials are saved, meanwhile, the production efficiency is greatly improved, the processing steps of the cold header generally comprise feeding, cutting, upsetting and discharging, the upsetting adopts a clamping device to transfer a material blank between adjacent dies, and the forming is completed after each front punch is used for stamping;
according to the processing requirements of different workpieces, when the workpieces are moved from a first die hole to a second die hole, the workpieces need to be rotated by 0 degree or 90 degrees or 180 degrees (for example, a common nut needs to be rotated by 180 degrees, a part of special-shaped nuts need to be rotated by 90 degrees, and a part of bolts do not need to be rotated for stamping), the existing clamping device can only meet one clamping working condition, for example, a patent with the patent number of CN201710439167.1 is named as a material clamping device applied to a cold header and a patent with the patent number of CN201420212438.1 is named as a turnover clamping mechanism for the cold header, when the rotation angle of the workpieces is changed, the clamping device needs to be replaced in a long downtime, continuous debugging is needed, the operation is complicated, the production efficiency is seriously influenced, and the use cost and the manufacturing cost are high; the existing clamping hand cannot meet the working condition requirement of 90-degree rotation, the application range is narrow, and the practicability is low.
Disclosure of Invention
Aiming at the defects, the invention provides a multi-station transferring device for blank of a nut cold header, which solves the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-station material blank transfer device of a nut cold header comprises a cold header body, wherein a material blank transfer mechanism is arranged at the upper end of the cold header body;
the material blank transfer mechanism comprises a die table at the upper end of the cold header body, wherein Contraband-shaped blocks, 21274are mounted on the upper surface of the die table, a plurality of pin shafts are mounted on the side surfaces of the shaped blocks, roller bearings I are mounted at two ends of each pin shaft, a sleeve I is mounted on the outer ring of each roller bearing I, a connecting rib plate is mounted on the surface of one side of each sleeve, a sleeve II is mounted at one end of each connecting rib plate, a circular oscillating shaft I is mounted on the inner ring of each sleeve II, a roller bearing II is mounted at the upper end of each circular oscillating shaft I, and a transmission plate is mounted on the outer ring of each roller bearing; the upper end of the first circular oscillating shaft is provided with a connecting ring, threaded holes I are formed in two sides of the connecting ring, fixing bolts are installed in the threaded holes I, a limiting gear I is installed on the lower surface of the connecting ring, and a limiting gear II is installed on the upper surface of the transmission plate; the circular swing shaft is characterized in that a claw hand rod is installed at the lower end of the circular swing shaft, the claw hand rods are provided with two claw hand rods, a first arc-shaped block is installed at the lower end of each claw hand rod, limiting shafts are installed at two ends of each arc-shaped block, a second arc-shaped block is installed at the lower end of each arc-shaped block, cylindrical holes are formed in two ends of each arc-shaped block and correspond to the limiting shafts in position, a first compression spring is installed between the lower end of each limiting shaft and the upper end of each cylindrical hole, and arc-shaped grooves are formed in two side surfaces of each arc-shaped block.
Furthermore, the upper surface of the v-21274is provided with a working condition switching mechanism, the transmission switching mechanism comprises a v-21274and a trapezoidal groove on the upper surface of the v-21274, one end of the trapezoidal groove is provided with a trapezoidal block, the center of the trapezoidal block is provided with a threaded hole II, two ends of the trapezoidal groove are provided with a vertical bearing I, the inner ring of the vertical bearing I is provided with a threaded shaft I meshed with the threaded hole II, one end of the threaded shaft is provided with a transmission gear I, the transmission gear I is in sliding connection with the threaded shaft I, a compression spring III is arranged between the transmission gear I and the threaded shaft I, the v-21274is arranged at one end of the v-shaped block, the electromagnet I corresponds to the transmission gear I in position, one end of the trapezoidal groove is provided with a motor support, the upper end of the motor support is provided with a double-shaft motor, one end of the double-shaft motor is provided with a transmission gear II, the transmission gear II corresponds to the transmission gear I in position, and the upper surface of the trapezoidal block is provided with a fixed gear; the upper end of the first circular oscillating shaft is provided with a second circular oscillating shaft, the second circular oscillating shaft is fixedly connected with the first circular oscillating shaft through a connecting ring, the upper end of the second circular oscillating shaft is provided with a rectangular column, the lateral surface of the rectangular column is provided with a semicircular groove, two ends of the semicircular groove are provided with a second vertical bearing, the inner ring of the second vertical bearing is provided with a second threaded shaft, the upper end of the second threaded shaft is provided with a rotating column, the lateral surface of the rotating column is provided with a toothed belt wheel, one side of the toothed belt wheel is provided with a transmission toothed belt, the center of the upper surface of the rotating column is provided with a rectangular groove, the lateral surface of the upper end of the rotating column is provided with a limiting groove, the upper surface of the rectangular column is provided with a hollow pipe, one end of the hollow pipe is provided with an L-shaped limiting frame, a fourth compression spring is arranged between the L-shaped limiting frame and the hollow pipe, and one end of the L-shaped limiting frame corresponds to the position of the limiting groove; the upper end of the rectangular column is provided with a first rotating tooth, the first rotating tooth is connected with the rectangular column in a sliding mode, a first threaded groove meshed with a second threaded shaft is formed in the inner side of the first rotating tooth, a second rotating tooth is installed at the lower end of the rectangular column and connected with the rectangular column in a sliding mode, and a second threaded groove meshed with the second threaded shaft is formed in the inner side of the second rotating tooth.
Further, the working condition switching mechanism further comprises an L-shaped pipe at one end of the trapezoid groove, a roller bearing III is mounted at the upper end of the L-shaped pipe, a transmission shaft I is mounted on an inner ring of the roller bearing III, a bevel gear I is mounted at one end of the transmission shaft I, a bevel gear II is mounted at the other end of the transmission shaft I, a horizontal bearing I is mounted at one end of the L-shaped pipe, a connecting shaft is mounted on an inner ring of the horizontal bearing I, a bevel gear III meshed with the bevel gear I is mounted at the upper end of the connecting shaft, a driving block is mounted at the lower end of the connecting shaft and is slidably connected with the connecting shaft, a rectangular block is mounted on the side surface of the driving block, a sliding groove is formed in the side surface of the connecting shaft, the rectangular block is slidably connected with the sliding groove, a compression spring II is mounted between the rectangular block and the sliding groove, an interference disc is mounted on the side surface of the driving block, and an electromagnet II is mounted at the upper end of the L-shaped pipe; one end of the L-shaped pipe is provided with a roller bearing IV, an inner ring of the roller bearing IV is provided with a transmission shaft II, the upper end of the transmission shaft II is provided with a bevel gear IV which is meshed with the bevel gear II, the lower end of the transmission shaft II is provided with a bevel gear V, and one end of the double-shaft motor is provided with a bevel gear VI which is meshed with the bevel gear V.
Furthermore, the lower end of the cold header body is provided with a discharge hole, and one side of the discharge hole is provided with a waste hole.
Furthermore, the inner ring of the connecting ring is provided with a spline groove, one end of the first circular oscillating shaft and one end of the second circular oscillating shaft are respectively provided with a spline, and the position of the spline corresponds to that of the spline groove.
Further, a stamping die is arranged at the lower end of the die table.
Furthermore, a sliding table is installed on one side of the upper end of the cold header body, a front punching needle is installed on one side of the sliding table, and a rear punching needle is installed at one end of the punching die.
Furthermore, a driving rod is installed at the end of the transmission plate and is hinged with the transmission plate.
The invention has the beneficial effects that: the clamping device can be rapidly switched among 0 degree, 90 degrees and 180 degrees in rotation under different working conditions by the action of the working condition switching mechanism, the requirements under different working conditions are met, the practicability of the clamping device is improved, and the production efficiency is improved while the use cost and the manufacturing cost are reduced.
Drawings
FIG. 1 is a schematic structural diagram of a multi-station transfer device for blank of a nut cold header, which is disclosed by the invention;
fig. 2 is a schematic top view of a cold header body;
FIG. 3 is a front view of an arc block I;
FIG. 4 is a side view of the first arcuate segment;
FIG. 5 is a partial schematic view I of a working condition switching mechanism;
FIG. 6 is a partial schematic view of a second operating mode switching mechanism;
FIG. 7 is a partial schematic view of a third operating mode switching mechanism;
FIG. 8 is a cross-sectional schematic view of the connecting shaft;
FIG. 9 is a schematic cross-sectional view of a v-shaped block;
FIG. 10 is a schematic cross-sectional view of a rectangular column;
FIG. 11 is a schematic view of a first rotating tooth;
FIG. 12 is a cross-sectional schematic view of a threaded shaft I;
FIG. 13 is a schematic cross-sectional view of a first circular oscillation shaft;
FIG. 14 is a schematic top view of a rectangular slot;
in the figure, 1, a cold header body; 2. a mold table; 3. contraband shaped blocks; 4. a pin shaft; 5. a roller bearing I; 6. a first sleeve; 7. connecting a rib plate; 8. a second sleeve; 9. a first circular oscillating shaft; 10. a roller bearing II; 11. a drive plate; 12. a connecting ring; 13. a first threaded hole; 14. fixing the bolt; 15. a first limit gear; 16. a second limit gear; 17. a claw lever; 18. a first arc-shaped block; 19. a limiting shaft; 20. a second arc block; 21. a cylindrical bore; 22. a first compression spring; 23. an arc-shaped slot; 24. a trapezoidal groove; 25. a trapezoidal block; 26. a second threaded hole; 27. a first vertical bearing; 28. a first threaded shaft; 29. a first transmission gear; 30. a third compression spring; 31. an electromagnet I; 32. a motor bracket; 33. a double-shaft motor; 34. a second transmission gear; 35. fixing teeth; 36. a second circular oscillating shaft; 37. a rectangular column; 38. a semicircular groove; 39. a second vertical bearing; 40. a second threaded shaft; 41. rotating the column; 42. a toothed belt wheel; 43. a drive toothed belt; 44. a rectangular groove; 45. a limiting groove; 46. a hollow tube; 47. an L-shaped limiting frame; 48. a fourth compression spring; 49. rotating the first gear; 50. a first thread groove; 51. rotating the second gear; 52. a second thread groove; 53. an L-shaped tube; 54. a roller bearing III; 55. a first transmission shaft; 56. a first bevel gear; 57. a second bevel gear; 58. a first horizontal bearing; 59. a connecting shaft; 60. a third bevel gear; 61. a drive block; 62. a rectangular block; 63. a sliding groove; 64. a second compression spring; 65. an interference disk; 66. an electromagnet II; 67. a roller bearing IV; 68. a second transmission shaft; 69. a fourth bevel gear; 70. a fifth bevel gear; 71. a sixth bevel gear; 72. a discharge hole; 73. a scrap hole; 74. a spline; 75. a spline groove; 76. punching a die; 77. a sliding table; 78. forward punching the needle; 79. punching the needle; 80. a drive rod.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-14, the multi-station material blank transfer device for the nut cold header comprises a cold header body 1, wherein a material blank transfer mechanism is arranged at the upper end of the cold header body 1;
the material blank transfer mechanism comprises a die table 2 at the upper end of a cold header body 1, Contraband-shaped blocks 3 and 21274are mounted on the upper surface of the die table 2, pin shafts 4 are mounted on the side surfaces of the shaped blocks 3, a plurality of pin shafts 4 are arranged, roller bearings I5 are mounted at two ends of the pin shafts 4, sleeves I6 are mounted on the outer rings of the roller bearings I5, connecting rib plates 7 are mounted on the side surfaces of the sleeves I6, sleeves II 8 are mounted at one ends of the connecting rib plates 7, circular oscillating shafts I9 are mounted on the inner rings of the sleeves II 8, roller bearings II 10 are mounted at the upper ends of the circular oscillating shafts I9, and transmission plates 11 are mounted on the outer rings of the roller bearings II 10; the upper end of the first circular oscillating shaft 9 is provided with a connecting ring 12, two sides of the connecting ring 12 are provided with first threaded holes 13, fixing bolts 14 are installed in the first threaded holes 13, the lower surface of the connecting ring 12 is provided with a first limiting gear 15, and the upper surface of the first transmission plate 11 is provided with a second limiting gear 16; the lower end of the first circular oscillating shaft 9 is provided with a first claw rod 17, the number of the claw rods 17 is two, the lower end of the first claw rod 17 is provided with a first arc-shaped block 18, the two ends of the first arc-shaped block 18 are provided with limiting shafts 19, the lower end of the first arc-shaped block 18 is provided with a second arc-shaped block 20, the two ends of the second arc-shaped block 20 are provided with cylindrical holes 21, the cylindrical holes 21 correspond to the limiting shafts 19 in position, a first compression spring 22 is arranged between the lower end of the limiting shafts 19 and the upper end of the cylindrical holes 21, and the side surfaces of the first arc-shaped block 18 and the second arc-shaped block 20 are respectively provided with an arc-shaped groove 23; the claw lever 17 is driven to swing in a reciprocating mode through the reciprocating swing of the transmission plate 11, when the claw lever 17 swings to a loading position, the material blank can be pushed between the second arc-shaped block 20 and the first arc-shaped block 18 through the work of the rear punching needle 79, when the claw lever 17 swings to a punching position, the material blank can be punched into the punching die 76 through the work of the front punching needle 78, and the material blank can intermittently move among different punching dies 76 through sequential work; the cylindrical space formed between the first arc-shaped block 18 and the second arc-shaped block 20 and the cylindrical space formed by the arc-shaped grooves 23 are in a vertical state, so that the requirement of 90-degree rotation working condition is met.
Contraband the upper surface of the block 3 is provided with a working condition switching mechanism, the transfer switching mechanism comprises a trapezoidal groove 24 on the upper surface of the block 3 Contraband, one end of the trapezoidal groove 24 is provided with a trapezoidal block 25, the center of the trapezoidal block 25 is provided with a threaded hole II 26, two ends of the trapezoidal groove 24 are provided with a vertical bearing I27, the inner ring of the vertical bearing I27 is provided with a threaded shaft I28 meshed with the threaded hole II 26, one end of the threaded shaft I28 is provided with a transmission gear I29, the transmission gear I29 is connected with the threaded shaft I28 in a sliding way, a compression spring III 30, 21274is arranged between the transmission gear I29 and the threaded shaft I28, one end of the block 3 is provided with an electromagnet I31, the electromagnet I31 corresponds to the position of the transmission gear I29, one end of the trapezoidal groove 24 is provided with a motor bracket 32, the upper end of the motor bracket 32 is provided with a double-shaft motor 33, one end of the double-shaft motor 33 is provided with a transmission gear II 34, the transmission gear II 34 corresponds to the position of the transmission gear I29, the upper surface of the trapezoidal block 25 is provided with a fixed tooth 35; a second circular oscillating shaft 36 is arranged at the upper end of the first circular oscillating shaft 9, the second circular oscillating shaft 36 is fixedly connected with the first circular oscillating shaft 9 through a connecting ring 12, a rectangular column 37 is arranged at the upper end of the second circular oscillating shaft 36, a semicircular groove 38 is formed in the side surface of the rectangular column 37, a second vertical bearing 39 is arranged at the two ends of the semicircular groove 38, a second threaded shaft 40 is arranged on the inner ring of the second vertical bearing 39, a rotating column 41 is arranged at the upper end of the second threaded shaft 40, a toothed belt wheel 42 is arranged on the side surface of the rotating column 41, a transmission toothed belt 43 is arranged on one side of the toothed belt wheel 42, a rectangular groove 44 is formed in the center of the upper surface of the rotating column 41, a limiting groove 45 is formed in the side surface of the upper end of the rotating column 41, a hollow pipe 46 is arranged on the upper surface of the rectangular column 37, an L-shaped limiting frame 47 is arranged at one end of the hollow pipe 46, a fourth compression spring 48 is arranged between the L-shaped limiting frame 47 and the hollow pipe 46, and one end of the L-shaped limiting frame 47 corresponds to the position of the limiting groove 45; the upper end of the rectangular column 37 is provided with a first rotating tooth 49, the first rotating tooth 49 is connected with the rectangular column 37 in a sliding mode, a first threaded groove 50 meshed with the second threaded shaft 40 is formed in the inner side of the first rotating tooth 49, the lower end of the rectangular column 37 is provided with a second rotating tooth 51, the second rotating tooth 51 is connected with the rectangular column 37 in a sliding mode, and a second threaded groove 52 meshed with the second threaded shaft 40 is formed in the inner side of the second rotating tooth 51.
The working condition switching mechanism further comprises an L-shaped pipe 53 at one end of the trapezoid groove 24, a roller bearing III 54 is mounted at the upper end of the L-shaped pipe 53, a transmission shaft I55 is mounted on an inner ring of the roller bearing III 54, a bevel gear I56 is mounted at one end of the transmission shaft I55, a bevel gear II 57 is mounted at the other end of the transmission shaft I55, a horizontal bearing I58 is mounted at one end of the L-shaped pipe 53, a connecting shaft 59 is mounted on an inner ring of the horizontal bearing I58, a bevel gear III 60 meshed with the bevel gear I56 is mounted at the upper end of the connecting shaft 59, a driving block 61 is mounted at the lower end of the connecting shaft 59 and is in sliding connection with the connecting shaft 59, a rectangular block 62 is mounted on the side surface of the driving block 61, a sliding groove 63 is formed in the side surface of the connecting shaft 59, a rectangular block 62 is in sliding connection with the sliding groove 63, a compression spring II 64 is mounted between the rectangular block 62 and the sliding groove 63, an interference disc 65 is mounted on the side surface of the pipe of the driving block 61, and an electromagnet II 66 is mounted at the upper end of the L-shaped pipe 53; one end of the L-shaped pipe 53 is provided with a roller bearing IV 67, an inner ring of the roller bearing IV 67 is provided with a transmission shaft IV 68, the upper end of the transmission shaft IV 68 is provided with a bevel gear IV 69 meshed with the bevel gear II 57, the lower end of the transmission shaft IV 68 is provided with a bevel gear V70, one end of the double-shaft motor 33 is provided with a bevel gear VI 71 meshed with the bevel gear V70, the driving block 61 can be inserted into the rectangular groove 44 through an electric field generated by electrifying the electromagnet II 66, a transmission path of the double-shaft motor 33 is switched on, the double-shaft motor 33 rotates to indirectly drive the rotating gear II 51 and the rotating gear I49 to move downwards simultaneously, the meshing of the rotating gear II 51 and the fixed gear 35 is switched to the meshing of the rotating gear I49 and the fixed gear 35, the purpose of changing the transmission ratio is realized, the material blank is switched to rotate by 90 degrees from the rotation of 180 degrees due to the difference of the transmission ratio, and the purpose of quickly switching the working condition is realized.
The lower end of the cold header body 1 is provided with a discharge hole 72, and one side of the discharge hole 72 is provided with a waste hole 73.
The inner ring of the connecting ring 12 is provided with a spline groove 75, one end of the first circular oscillating shaft 9 and one end of the second circular oscillating shaft 36 are respectively provided with a spline 74, and the position of the spline 74 corresponds to the position of the spline groove 75.
A punch 76 is mounted to the lower end of the die table 2.
A sliding table 77 is installed on one side of the upper end of the cold header body 1, a front punching needle 78 is installed on one side of the sliding table 77, and a rear punching needle 79 is installed at one end of the punching die 76.
A driving rod 80 is installed at one end of the driving plate 11, and the driving rod 80 is hinged with the driving plate 11.
In the embodiment, the electric appliance of the device is controlled by an external controller, the upper end of the driving block 61 and the side surface of the first transmission gear 29 are provided with magnetism, and the direction of a magnetic field is opposite to the direction of the magnetic field generated after the first electromagnet 31 and the second electromagnet 66 are electrified; the rotating motor at one end of the cold header body 1 drives the eccentric shaft to rotate, the eccentric shaft drives the eccentric wheel to rotate, the eccentric wheel drives the connecting rod to drive the crank block to reciprocate, the crank block indirectly drives the driving rod 80 to reciprocate, power is provided for the material blank transmission mechanism, the moving direction of the driving rod 80 is vertical to the moving direction of the crank block, and the transmission mode and the transmission mechanism of the cold header body 1 belong to the prior art, so detailed description is not provided, for example, the patent with the patent number of CN 201720269769.2;
as shown in fig. 1, when the second rotating teeth 51 are engaged with the fixed teeth 35, the claw rod 17 swings to the middle of the two dies 76, the claw rod 17 can be driven to reciprocate when the driving plate 11 reciprocates, the first circular swinging shaft 9 and the claw rod 17 can be stably rotated by the action of the pin shaft 4, the first roller bearing 5, the first sleeve 6, the connecting rib 7 and the second sleeve 8, when the claw rod 17 moves to the loading position, the cutting device works to move the cut blank to the loading position, then the blank is moved to the arc-shaped groove 23 by external force, the blank pushes the second arc-shaped blocks 20 apart by a certain distance in the moving process, the second arc-shaped blocks 20 can clamp the blank by the action of the first compression spring 22, then the driving plate 11 moves reversely to indirectly drive the blank to the first die 76, then the front punch 78 punches the first die 76, the blank enters the first die 76, the blank is punched for the first time, the transmission plate 11 moves reversely, the claw lever 17 is indirectly driven to drive the first arc-shaped block 18 and the second arc-shaped block 20 to move from the position of the first die 76 to the position of loading, at the moment, the claw lever 17 completes one reciprocating swing from the loading to the first die, the second die, the third die and the like, the blank can be moved from the position of loading to the first die, the second die, the third die and the like in sequence, the device is provided with 5 dies, and the front punch pin 78 punches once to generate a finished product;
when the workpiece needs to rotate by 90 degrees, the controller controls the first electromagnet 31 to be electrified, the magnetic field generated by electrifying the first electromagnet 31 can push the first transmission gear 29 to move to the left side, and is meshed with the second transmission gear 34, and under the action of the third compression spring 30, when the first electromagnet 31 is powered off, the first transmission gear 29 can be reset, the rotation of the double-shaft motor 33 is controlled, one end of the double-shaft motor 33 drives the second transmission gear 34 to rotate, the rotation of the second transmission gear 34 drives the first transmission gear 29 to rotate, the first transmission gear 29 drives the first threaded shaft 28 to rotate, the first threaded shaft 28 can stably rotate under the action of the first vertical bearing 27, the first threaded shaft 28 drives the trapezoidal block 25 and the fixed teeth 35 to move to the left for a certain distance, so that the first rotating teeth 49 are meshed with the fixed teeth 35, the motor indirectly drives the driving block 61 to rotate but not to rotate towards the rectangular groove 44, and the first electromagnet 31 is powered off after the fixed teeth 35 move to the designated position;
then the controller controls the electromagnet II 66 to be electrified, the magnetic field generated by the electromagnet II 66 can push the driving block 61 to move downwards, the driving block 61 can stably slide under the action of the rectangular block 62 and the sliding groove 63, the driving block 61 can automatically reset when the electromagnet II 66 is powered off under the action of the compression spring II 64, when the driving block 61 moves downwards, the lower end of the driving block 61 is inserted into the rectangular groove 44, the interference disc 65 presses downwards at the same time, the L-shaped limiting frame 47 is pushed rightwards, one end of the L-shaped limiting frame 47 is pulled out of the limiting groove 45, at the moment, the rotating column 41 can rotate, the controller controls the double-shaft motor 33 to rotate again, the double-shaft motor 33 drives the bevel gear six 71 to rotate, the bevel gear six 71 drives the bevel gear five 70, the transmission shaft two 68 and the bevel gear four 69 to rotate, the transmission shaft two 68 can stably rotate under the action of the roller bearing four 67, and the bevel gear four 69 drives the bevel gear two bevel gear 57, The first transmission shaft 55 and the first bevel gear 56 rotate, the first transmission shaft 55 can stably rotate under the action of the third roller bearing 54, the first bevel gear 56 drives the third bevel gear 60, the connecting shaft 59 and the driving block 61 to rotate, the second threaded shaft 40 is driven to rotate by the rotation of the driving block 61, the second threaded shaft 40 can stably rotate under the action of the second vertical bearing 39, the second threaded shaft 40 drives the first rotating tooth 49 and the second rotating tooth 51 to simultaneously move downwards until the first rotating tooth 49 is meshed with the fixed tooth 35, after the adjustment is finished, the controller controls the second electromagnet 66 to be powered off, and one end of the L-shaped limiting frame 47 is inserted into the limiting groove 45, so that the self-locking purpose is realized;
when the electromagnet I31 is electrified, the fixed teeth 35 can be driven to move left and right by the forward and reverse rotation of the double-shaft motor 33, when the electromagnet II 66 is electrified, the rotating teeth I49 and the rotating teeth II 51 can be driven to move up and down by the forward and reverse rotation of the double-shaft motor 33, the rotating teeth II 51 are meshed with the fixed teeth 35 to be changed into the rotating teeth I49 meshed with the fixed teeth 35, the operation of switching the workpiece from 180 degrees to 90 degrees can be realized, when the rotation is not needed, the fixing bolt 14 is manually rotated to separate the second circular swing shaft 36 from the connecting ring 12, the part at the upper end of the second circular swing shaft 36 is removed, meanwhile, the connecting ring 12 moves downwards, the first limiting gear 15 is meshed with the second limiting gear 16 at the moment, then the fixing bolt 14 is screwed down, the transmission plate 11 and the first circular oscillating shaft 9 are in a fixed connection state, and the first circular oscillating shaft 9 only can oscillate to achieve the purpose of quick adjustment and can not rotate; a cylindrical space formed between the first arc-shaped block 18 and the second arc-shaped block 20 is vertical to a cylindrical space formed by the plurality of arc-shaped grooves 23, so that the requirement of a working condition of rotating 90 degrees is met; because a plurality of groups of rectangular columns 37 are arranged, the number corresponds to the number of the punching dies 76, the adjacent rotating columns 41 can be linked through the action of the transmission toothed belt 43, the rotating columns 41 can rotate by only rotating one of the driving blocks 61, the purpose of synchronous adjustment is realized, and when the rotating columns 41 are butted with the driving blocks 61, the rotating columns 41 need to swing to the designated positions.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. A multi-station material blank transfer device of a nut cold header comprises a cold header body (1), and is characterized in that a material blank transfer mechanism is arranged at the upper end of the cold header body (1);
the material blank transfer mechanism comprises a die table (2) at the upper end of a cold header body (1), Contraband-shaped blocks (3) are mounted on the upper surface of the die table (2), pin shafts (4) are mounted on the side surfaces of Contraband-shaped blocks (3), a plurality of pin shafts (4) are arranged, roller bearings (5) are mounted at two ends of the pin shafts (4), a sleeve I (6) is mounted on the outer ring of the roller bearing I (5), connecting rib plates (7) are mounted on the side surfaces of the sleeve I (6), a sleeve II (8) is mounted at one end of each connecting rib plate (7), a circular swing shaft I (9) is mounted on the inner ring of the sleeve II (8), a roller bearing II (10) is mounted at the upper end of the circular swing shaft I (9), and a transmission plate (11) is mounted on the outer ring of the roller bearing II (10); the upper end of the first circular oscillating shaft (9) is provided with a connecting ring (12), two sides of the connecting ring (12) are provided with first threaded holes (13), fixing bolts (14) are installed in the first threaded holes (13), a first limiting gear (15) is installed on the lower surface of the connecting ring (12), and a second limiting gear (16) is installed on the upper surface of the first transmission plate (11); the circular swing shaft I (9) lower end is installed claw hand pole (17), claw hand pole (17) are equipped with two, arc piece I (18) is installed to claw hand pole (17) lower extreme, spacing axle (19) are installed at arc piece I (18) both ends, arc piece II (20) are installed to arc piece I (18) lower extreme, open at arc piece II (20) both ends has cylinder hole (21), cylinder hole (21) are corresponding with the position of spacing axle (19), install compression spring I (22) between spacing axle (19) lower extreme and cylinder hole (21) upper end, arc piece I (18) and arc piece II (20) side surface are respectively opened there are arc wall (23).
2. The nut cold heading machine blank multi-station transfer device is characterized in that a working condition switching mechanism is arranged on the upper surface of the Contraband-shaped block (3), the working condition switching mechanism comprises a trapezoidal groove (24) in the upper surface of the Contraband-shaped block (3), the trapezoidal block (25) is installed at one end of the trapezoidal groove (24), a threaded hole II (26) is formed in the center of the trapezoidal block (25), vertical bearings I (27) are installed at two ends of the trapezoidal groove (24), a threaded shaft I (28) meshed with the threaded hole II (26) is installed on the inner ring of the vertical bearings I (27), a transmission gear I (29) is installed at one end of the threaded shaft I (28), the transmission gear I (29) is connected with the threaded shaft I (28) in a sliding mode, a compression spring III (30) is installed between the transmission gear I (29) and the threaded shaft I (28), and an electromagnet I (31) is installed at one end of the Contraband (3), the electromagnet I (31) corresponds to the transmission gear I (29), one end of the trapezoid groove (24) is provided with a motor support (32), the upper end of the motor support (32) is provided with a double-shaft motor (33), one end of the double-shaft motor (33) is provided with a transmission gear II (34), the transmission gear II (34) corresponds to the transmission gear I (29), and the upper surface of the trapezoid block (25) is provided with a fixed tooth (35); a second circular oscillating shaft (36) is arranged at the upper end of the first circular oscillating shaft (9), the second circular oscillating shaft (36) is fixedly connected with the first circular oscillating shaft (9) through a connecting ring (12), a rectangular column (37) is installed at the upper end of the second circular oscillating shaft (36), a semicircular groove (38) is formed in the side surface of the rectangular column (37), two vertical bearings (39) are installed at two ends of the semicircular groove (38), a second threaded shaft (40) is installed on the inner ring of the second vertical bearing (39), a rotating column (41) is installed at the upper end of the second threaded shaft (40), a toothed belt wheel (42) is installed on the side surface of the rotating column (41), a transmission toothed belt (43) is installed on one side of the toothed belt wheel (42), a rectangular groove (44) is formed in the center of the upper surface of the rotating column (41), a limiting groove (45) is formed in the side surface of the upper end of the rotating column (41), a hollow tube (46) is installed on the upper surface of the rectangular column (37), and an L-shaped limiting frame (47) is installed on one end of the hollow tube (46), a compression spring IV (48) is arranged between the L-shaped limiting frame (47) and the hollow pipe (46), and one end of the L-shaped limiting frame (47) corresponds to the position of the limiting groove (45); the upper end of the rectangular column (37) is provided with a first rotating tooth (49), the first rotating tooth (49) is in sliding connection with the rectangular column (37), a first thread groove (50) meshed with a second thread shaft (40) is formed in the inner side of the first rotating tooth (49), a second rotating tooth (51) is arranged at the lower end of the rectangular column (37), the second rotating tooth (51) is in sliding connection with the rectangular column (37), and a second thread groove (52) meshed with the second thread shaft (40) is formed in the inner side of the second rotating tooth (51).
3. The nut cold heading machine blank multi-station transfer device according to claim 2, wherein the working condition switching mechanism further comprises an L-shaped pipe (53) at one end of the trapezoid groove (24), a roller bearing III (54) is mounted at the upper end of the L-shaped pipe (53), a transmission shaft I (55) is mounted at the inner ring of the roller bearing III (54), a bevel gear I (56) is mounted at one end of the transmission shaft I (55), a bevel gear II (57) is mounted at the other end of the transmission shaft I (55), a horizontal bearing I (58) is mounted at one end of the L-shaped pipe (53), a connecting shaft (59) is mounted at the inner ring of the horizontal bearing I (58), a bevel gear III (60) meshed with the bevel gear I (56) is mounted at the upper end of the connecting shaft (59), a driving block (61) is mounted at the lower end of the connecting shaft (59), the driving block (61) is slidably connected with the connecting shaft (59), a rectangular block (62) is mounted on the side surface of the driving block (61), a sliding groove (63) is formed in the side surface of the connecting shaft (59), the rectangular block (62) is in sliding connection with the sliding groove (63), a second compression spring (64) is installed between the rectangular block (62) and the sliding groove (63), an interference disc (65) is installed on the side surface of the driving block (61), and a second electromagnet (66) is installed at the upper end of the L-shaped pipe (53); one end of the L-shaped pipe (53) is provided with a roller bearing IV (67), the inner ring of the roller bearing IV (67) is provided with a transmission shaft II (68), the upper end of the transmission shaft II (68) is provided with a bevel gear IV (69) which is meshed with the bevel gear II (57), the lower end of the transmission shaft II (68) is provided with a bevel gear V (70), and one end of the double-shaft motor (33) is provided with a bevel gear VI (71) which is meshed with the bevel gear V (70).
4. The multi-station transfer device for the nut cold heading machine blank according to claim 1, characterized in that a discharge hole (72) is formed at the lower end of the cold heading machine body (1), and a waste hole (73) is formed at one side of the discharge hole (72).
5. The multi-station transfer device for the nut cold heading machine blank according to claim 1, characterized in that spline grooves (75) are formed in the inner ring of the connecting ring (12), splines (74) are respectively installed at one end of the first circular oscillating shaft (9) and one end of the second circular oscillating shaft (36), and the positions of the splines (74) correspond to the positions of the spline grooves (75).
6. The multi-station transfer device for the blank of the nut cold heading machine is characterized in that a punch die (76) is installed at the lower end of the die table (2).
7. The multi-station transfer device for the blank of the nut cold header as claimed in claim 1, wherein a sliding table (77) is installed on one side of the upper end of the cold header body (1), a front punch pin (78) is installed on one side of the sliding table (77), and a rear punch pin (79) is installed on one end of a punch die (76).
8. The multi-station transfer device for the blank of the nut cold heading machine is characterized in that one end of the transmission plate (11) is provided with a driving rod (80), and the driving rod (80) is hinged with the transmission plate (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573017.6A CN113198969B (en) | 2021-05-27 | 2021-05-27 | Nut cold heading machine blank multistation transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573017.6A CN113198969B (en) | 2021-05-27 | 2021-05-27 | Nut cold heading machine blank multistation transmission device |
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| CN113198969A true CN113198969A (en) | 2021-08-03 |
| CN113198969B CN113198969B (en) | 2022-05-17 |
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| CN202110573017.6A Active CN113198969B (en) | 2021-05-27 | 2021-05-27 | Nut cold heading machine blank multistation transmission device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113637833A (en) * | 2021-08-09 | 2021-11-12 | 河北同发铁路工程集团铭豪高速铁路器材制造有限公司 | Medium-large nut heat treatment loading attachment |
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| CN210498180U (en) * | 2019-09-11 | 2020-05-12 | 洛阳世强轴承滚子有限公司 | Roller cold heading machine |
| CN210547822U (en) * | 2019-09-05 | 2020-05-19 | 邯郸市华川机械制造有限公司 | Cold header pay-off frame that can adjust according to wire coil diameter |
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| US5865057A (en) * | 1996-11-11 | 1999-02-02 | Kabushi Kaisha Sakamura Kikai Seisakusho | Work transfer in multi-stage forging apparatus |
| US20120067198A1 (en) * | 2010-09-21 | 2012-03-22 | Adf Llc | Penetrator And Method Of Manufacture Same |
| CN103143670A (en) * | 2013-03-21 | 2013-06-12 | 宁波海星机械制造有限公司 | Precise feeding and transfer mechanism of multi-station cold header |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113637833A (en) * | 2021-08-09 | 2021-11-12 | 河北同发铁路工程集团铭豪高速铁路器材制造有限公司 | Medium-large nut heat treatment loading attachment |
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| CN113198969B (en) | 2022-05-17 |
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