Punching device for producing steel pipe for bearing and using method

Abstract

The invention relates to the technical field of bearing steel pipe stamping equipment. The invention discloses a stamping device for bearing steel pipe production and a using method, a stamping forming assembly is arranged at the top of a base plate, two driving stamping devices are symmetrically arranged on the two sides of the stamping forming assembly, and a die overturning stamping assembly is arranged at the top of the base plate and located on one side of the stamping forming assembly; the first linkage assembly is arranged at the side end of the die overturning stamping assembly, the second linkage assembly is arranged at the side end of the first linkage assembly, the die assembling assemblies are arranged on the two sides of the stamping forming assembly and connected with the second linkage assembly, and the two auxiliary forming assemblies are symmetrically arranged at the two ends of the stamping forming assembly. The two auxiliary forming assemblies are connected with the second linkage assembly. The device achieves the effects that the whole process of stamping the steel plate into the steel pipe for machining and manufacturing the bearing is automatic, the position of the steel plate does not need to be manually adjusted, and the yield of the stamped steel pipe is high.

Description

Technical Field

[0001] The present invention relates to the technical field of bearing steel pipe stamping equipment, and in particular to a stamping device for producing bearing steel pipes and a use method thereof. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. In the initial stage of bearing production and processing, a whole piece of steel plate is usually stamped into a steel tube through a special mold and equipment, and then cut into sections to facilitate subsequent bearing production and manufacturing. However, in the process of stamping a flat steel plate into a steel tube, the yield rate of steel tube forming is low, and the operation process is more complicated. The position and state of the steel plate need to be manually adjusted during the stamping process, and the stamping efficiency is low. There is a lack of equipment that is fully automated in the process of stamping a steel plate into a steel tube for processing and manufacturing bearings, without the need to manually adjust the position of the steel plate, and has a high yield rate of stamped steel tubes. Summary of the invention

[0003] The object of the present invention is to provide a stamping device for producing steel pipes for bearings and a method of use, so as to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned object, the present invention provides the following technical scheme: comprising a base plate, the base plate is arranged on a horizontal plane, a stamping forming assembly is arranged on the top of the base plate, two driving stamping devices are symmetrically arranged on both sides of the stamping forming assembly, the driving stamping device comprises a mold flipping stamping assembly, a first linkage assembly, a second linkage assembly and a clamping assembly, the mold flipping stamping assembly is arranged on the top of the base plate and is located on one side of the stamping forming assembly, the first linkage assembly is arranged at the side end of the mold flipping stamping assembly, the second linkage assembly is arranged at the side end of the first linkage assembly, the clamping assembly is arranged on both sides of the stamping forming assembly and is connected to the second linkage assembly, two auxiliary forming assemblies are symmetrically arranged at both ends of the stamping forming assembly, and the two auxiliary forming assemblies are connected to the second linkage assembly.

[0004] Preferably, the stamping forming assembly includes a mounting table, a first stamping block, a second stamping block, a third stamping block, a fourth stamping block and a rotating shaft, the mounting table is arranged on the top of the base plate, the first stamping block is arranged on the top of the mounting table, the second stamping block is arranged directly above the first stamping block, the rotating shaft horizontally passes through the top of the second stamping block and the two ends of the rotating shaft are respectively connected to the tops of two driving stamping devices, the third stamping block and the fourth stamping block are symmetrically arranged on both sides of the first stamping block and the second stamping block, and the side ends of the third stamping block and the fourth stamping block are respectively connected to the two sides of the clamping assembly, the top of the first stamping block is arranged in a quarter arc shape, the bottom of the second stamping block is consistent with the shape of the top of the first stamping block and fits with each other, the top of the second stamping block is arranged in a quarter arc shape, and the side adjacent to the third stamping block and the fourth stamping block is arranged in a quarter arc shape.

[0005] Preferably, the mold flipping stamping assembly includes a first sliding seat, a second sliding seat, an electric push rod, a sliding block, a sliding frame, a flipping block, a trigger rod, a first connecting rod, a second connecting rod, a limiting rod and a first spring, the first sliding seat is arranged on the top of the base plate and the first sliding seat is located on one side of the mounting platform, the second sliding seat is provided with two, the two second sliding seats are symmetrically arranged on the top of the base plate and the second sliding seat is located on the side of the first sliding seat away from the mounting platform, the electric push rod is vertically arranged on the top of the two second sliding seats and the output end of the electric push rod is arranged downward, the two ends of the sliding block pass through the side ends of the two second sliding seats to be slidably connected thereto up and down, and the top of the sliding block is connected to the output end of the electric push rod, one end of the rotating shaft passes through the side end of the sliding block to be rotatably connected thereto, and the flipping block is arranged on the rotating shaft near the sliding block The cam is connected with the first sliding seat at one end and the second sliding seat is connected with the first spring at the other end.

[0006] Preferably, the first linkage assembly includes a third connecting rod, a first toothed rod, a connecting plate, a rotating plate, a moving rod, a first gear and a second spring, the moving rod being horizontally arranged on one side of the lower end of the sliding frame, the third connecting rod horizontally passes through the side end of one of the second sliding seats and is slidably connected thereto, and one end of the third connecting rod is connected to one end of the sliding block, the first toothed rod is vertically arranged on the side end of the third connecting rod, the connecting plate is horizontally arranged on the side end of the mounting table, the lower end of the rotating plate is rotatably connected to the side end of the connecting plate, the rotating plate is vertically arranged, the two ends of the second spring are respectively connected to the side end of the rotating plate and the top of the connecting plate, the first gear is rotatably arranged on one side of the top of the rotating plate, and the first gear is pre-engaged with the side end of the first toothed rod.

[0007] Preferably, the second linkage assembly includes a driving screw, a first pulley, a first transmission belt, a second pulley, a second transmission belt, a second gear and a third gear, the driving screw passes through two ends of the lower portion of the mounting platform and is rotatably connected to the same, the middle portion and two ends of the mounting platform are provided with openings that are through-set, the two ends of the driving screw are respectively located in the openings at two ends of the mounting platform, and the driving screw is provided with threads with opposite rotation directions from the middle portion to both ends, the second gear is arranged at the rotation connection between the connecting plate and the rotating plate, the first pulley is provided with two, one of the first pulleys is provided at the rotation connection between the first gear and the upper end of the rotating plate, the other first pulley is provided at the rotation connection between the second gear and the lower end of the rotating plate, the first transmission belt is sleeved on the two first pulleys, the third gear is rotatably arranged at the side end of the connecting plate and the third gear is meshed with the second gear, the second pulley is provided with two, one of the second pulleys is provided at the rotation connection between the third gear and the connecting plate, the other second pulley is provided on one end of the driving screw, and the second transmission belt is sleeved on the two second pulleys.

[0008] Preferably, the mold clamping assembly includes a fourth gear, a second toothed rod, a third toothed rod and a third spring, the fourth gear is arranged in the middle of the driving screw, the second toothed rod and the third toothed rod are horizontally arranged at the upper and lower ends of the fourth gear respectively, and the bottom of the second toothed rod and the top of the third toothed rod are both engaged with the fourth gear, the second toothed rod is horizontally slidably connected to the top of the middle opening of the mounting platform, the bottom of the third toothed rod is horizontally slidably connected to the bottom of the middle opening of the mounting platform, the ends of the second toothed rod and the third toothed rod away from each other are respectively connected to the bottom of the third stamping block and the fourth stamping block, and a third spring is horizontally arranged between the two sides of the mounting platform and the side ends of the second toothed rod and the third toothed rod.

[0009] Preferably, the auxiliary forming component includes a moving block and an auxiliary cylinder, the moving block vertically passes through the top of the mounting table and is slidably connected thereto in the horizontal direction and is located on one side of the first stamping block, the bottom of the moving block is threadedly connected to one end of the driving screw, the auxiliary cylinder is horizontally arranged above the mounting table and one end of the auxiliary cylinder is connected to the top of the moving block, the auxiliary cylinder corresponds to the position of the perfect circle formed by the first stamping block, the second stamping block, the third stamping block and the fourth stamping block and fits in shape.

[0010] Preferably, the method for using the punching device for producing a bearing steel tube comprises the following steps:

[0011] S1: When the device is in use, the steel plate is first placed horizontally on the top of the lower end of the stamping forming component. The bottom of the upper end of the stamping forming component and the top of the lower end of the stamping forming component are arranged in a quarter arc shape and fit each other, and the top and bottom arcs of the upper end of the stamping forming component are consistent. Both ends of the stamping forming component are arranged in a quarter arc shape and are arranged symmetrically. First, the stamping component is flipped by the mold to control the upper end of the stamping forming component to descend and perform the first stamping on the steel plate so that it is stamped from a flat state to an arc state;

[0012] S2: Then, the upper end of the stamping forming component is controlled to rise by flipping the stamping component through the mold, and when it rises to the top, it flips 180 degrees until its top flips to the bottom, and then descends again. While descending, the two ends of the stamping forming component are controlled to move synchronously to the opposite side under the cooperation of the first linkage component, the second linkage component and the clamping component, so that the upper and lower ends and the left and right ends of the stamping forming component form a complete circle, and with the cooperation of the two auxiliary forming components, the steel plate is stamped into the shape of a steel pipe.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The first gear is engaged with the first gear and the second gear is engaged with the first gear, and the second gear is engaged with the first gear, and the first gear is engaged with the first gear. The first gear is disengaged from the first gear and reset under the action of the second spring, thereby driving the third gear to reset under the action of the third spring, so as to facilitate the removal of the stamped steel pipe. Through the above operation, the steel plate is stamped into a steel pipe for processing and manufacturing bearings, and the third and fourth stamping blocks are driven to reset and return to the original state.

[0015] In the present invention, when the first punching block, the second punching block, the third punching block, and the fourth punching block gradually form a perfect circle to punch the steel plate into a steel pipe, in order to improve the yield rate of the steel pipe after punching, when the third punching block and the fourth punching block move synchronously toward the opposite side, as the driving screw rotates, the two auxiliary cylinders move synchronously toward the opposite side, so that they are located on the inner side of the perfect circle formed by the first punching block, the second punching block, the third punching block, and the fourth punching block, so that the steel plate is stamped against the outer side of the auxiliary cylinder, so that the circular shape after stamping tends to be perfect, thereby achieving the effect of improving the yield rate of the steel pipe after stamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 2 It is a front view of the first state of the stamping forming component in the present invention;

[0018] Figure 3 A front view of the stamping component of the present invention in a second state;

[0019] Figure 4 It is a front view of the stamping forming component in the present invention in the third state;

[0020] Figure 5 It is a schematic diagram of the local structure of the present invention Figure 1 ;

[0021] Figure 6 The three-dimensional structure of the mold flip stamping assembly in the present invention is shown in FIG. Figure 1 ;

[0022] Figure 7 It is a front view of the mold flip punching assembly in the present invention;

[0023] Figure 8 The three-dimensional structure of the mold flip stamping assembly in the present invention is shown in FIG. Figure 2 ;

[0024] Fig. 9 It is a schematic diagram of the local structure of the present invention Figure 2 ;

[0025] Fig.10 It is a schematic diagram of the local structure of the present invention Figure 3 ;

[0026] Fig.11 It is a schematic diagram of the local structure of the present invention Figure 4 .

[0027] In the figure: 1, base plate; 2, stamping forming assembly; 21, mounting table; 22, first stamping block; 23, second stamping block; 24, third stamping block; 25, fourth stamping block; 26, rotating shaft; 3, driving stamping device; 31, mold turning stamping assembly; 311, first sliding seat; 312, second sliding seat; 313, electric push rod; 314, sliding block; 315, sliding frame; 316, turning block; 317, trigger rod; 318, first connecting rod; 319, second connecting rod; 320, limit rod; 321, first spring; 33, first linkage assembly; 331, third linkage Connecting rod; 332, first toothed rod; 333, connecting plate; 334, rotating plate; 335, moving rod; 336, first gear; 337, second spring; 34, second linkage assembly; 341, driving screw; 342, first pulley; 343, first transmission belt; 344, second pulley; 345, second transmission belt; 346, second gear; 347, third gear; 35, mold clamping assembly; 351, fourth gear; 352, second toothed rod; 353, third toothed rod; 354, third spring; 4, auxiliary molding assembly; 41, moving block; 42, auxiliary cylinder. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figures 1 to 11 The present invention provides a technical solution: it includes a base plate 1, the base plate 1 is arranged on a horizontal plane, a stamping and forming component 2 is arranged on the top of the base plate 1, two driving stamping devices 3 are symmetrically arranged on both sides of the stamping and forming component 2, the driving stamping device 3 includes a mold flipping stamping component 31, a first linkage component 33, a second linkage component 34 and a clamping component 35, the mold flipping stamping component 31 is arranged on the top of the base plate 1 and is located on one side of the stamping and forming component 2, the first linkage component 33 is arranged at the side end of the mold flipping stamping component 31, the second linkage component 34 is arranged at the side end of the first linkage component 33, the clamping component 35 is arranged on both sides of the stamping and forming component 2 and is connected to the second linkage component 34, two auxiliary forming components 4 are symmetrically arranged at both ends of the stamping and forming component 2, and the two auxiliary forming components 4 are connected to the second linkage component 34.

[0030] In this embodiment, Figures 1 to 9As shown, the stamping forming assembly 2 includes a mounting table 21, a first stamping block 22, a second stamping block 23, a third stamping block 24, a fourth stamping block 25 and a rotating shaft 26. The mounting table 21 is arranged on the top of the base plate 1, the first stamping block 22 is arranged on the top of the mounting table 21, the second stamping block 23 is arranged directly above the first stamping block 22, the rotating shaft 26 horizontally passes through the top of the second stamping block 23, and the two ends of the rotating shaft 26 are respectively connected to the tops of the two driving stamping devices 3, the third stamping block 24 The third and fourth punching blocks 24 and 25 are symmetrically arranged on both sides of the first punching block 22 and the second punching block 23, and the side ends of the third punching block 24 and the fourth punching block 25 are respectively connected to the two sides of the clamping assembly 35, the top of the first punching block 22 is arranged in a quarter arc shape, the bottom of the second punching block 23 is consistent with the top shape of the first punching block 22 and fits each other, the top of the second punching block 23 is arranged in a quarter arc shape, and the side adjacent to the third punching block 24 and the fourth punching block 25 is arranged in a quarter arc shape;

[0031] The mold flip stamping assembly 31 includes a first sliding seat 311, a second sliding seat 312, an electric push rod 313, a sliding block 314, a sliding frame 315, a flip block 316, a trigger rod 317, a first connecting rod 318, a second connecting rod 319, a limit rod 320 and a first spring 321. The first sliding seat 311 is arranged on the top of the base plate 1 and the first sliding seat 311 is located on one side of the mounting platform 21. The second sliding seat 312 is provided with two, and the two second sliding seats 312 are symmetrically arranged on the top of the base plate 1. The second sliding seat 312 is located on the side of the first sliding seat 311 away from the mounting platform 21, the electric push rod 313 is vertically arranged on the top of the two second sliding seats 312 and the output end of the electric push rod 313 is arranged downward, the two ends of the sliding block 314 pass through the side ends of the two second sliding seats 312 and are slidably connected thereto up and down, and the top of the sliding block 314 is connected to the output end of the electric push rod 313, one end of the rotating shaft 26 passes through the side end of the sliding block 314 and is rotatably connected thereto, and the flip block 316 is arranged on the rotating shaft 2 6. At one end close to the sliding block 314, the upper and lower ends of the flip block 316 are symmetrically provided with trigger rods 317. The sliding frame 315 is arranged on the top of the first sliding seat 311 and is slidably connected with it in the horizontal direction. The top of the lower end of the sliding frame 315 is provided with a protrusion, and the protrusion is arranged in an equilateral triangle. The top of the sliding frame 315 is arranged in a plane and has a notch. Both sides of the top of the first sliding seat 311 and both sides of the sliding frame 315 are provided with magnetic suction parts. The first connecting rod 318 is vertically arranged on the sliding block 31 4, the second connecting rod 319 is horizontally arranged on the side of the sliding block 314 away from the sliding frame 315, one end of the second connecting rod 319 is connected to one end of the rotating shaft 26, the other end of the second connecting rod 319 and the bottom of the first connecting rod 318 are respectively connected to the two ends of the first spring 321, and two limiting rods 320 are provided, and the two limiting rods 320 are spaced apart and arranged on the side of the sliding block 314 where the second connecting rod 319 is provided, and the two limiting rods 320 are respectively in contact with the two sides of one end of the second connecting rod 319;

[0032] The first linkage assembly 33 includes a third connecting rod 331, a first toothed rod 332, a connecting plate 333, a rotating plate 334, a moving rod 335, a first gear 336 and a second spring 337. The moving rod 335 is horizontally arranged on one side of the lower end of the sliding frame 315. The third connecting rod 331 horizontally passes through the side end of one of the second sliding seats 312 and is slidably connected thereto up and down, and one end of the third connecting rod 331 is connected to one end of the sliding block 314. The first toothed rod 332 is vertically arranged on the side end of the third connecting rod 331. The connecting plate 333 is horizontally arranged on the side end of the mounting platform 21. The lower end of the rotating plate 334 is rotatably connected to the side end of the connecting plate 333. The rotating plate 334 is vertically arranged. The two ends of the second spring 337 are respectively connected to the side end of the rotating plate 334 and the top of the connecting plate 333. The first gear 336 is rotatably arranged on one side of the top of the rotating plate 334, and the first gear 336 is pre-engaged with the side end of the first toothed rod 332.

[0033] The second linkage assembly 34 includes a driving screw rod 341, a first pulley 342, a first transmission belt 343, a second pulley 344, a second transmission belt 345, a second gear 346 and a third gear 347. The driving screw rod 341 passes through the two ends of the lower part of the mounting platform 21 and is rotatably connected thereto. The middle part and both ends of the mounting platform 21 are provided with openings that are through-set. The two ends of the driving screw rod 341 are respectively located in the openings at both ends of the mounting platform 21. The driving screw rod 341 is provided with threads with opposite rotation directions from the middle part to both ends. The second gear 346 is provided at the rotation connection between the connecting plate 333 and the rotating plate 334. The first pulley 342 is provided with two, one of which is a first pulley The first gear 336 is provided at the rotation connection between the first gear 336 and the upper end of the rotating plate 334, the other first pulley 342 is provided at the rotation connection between the second gear 346 and the lower end of the rotating plate 334, the first transmission belt 343 is sleeved on the two first pulleys 342, the third gear 347 is rotationally provided on the side end of the connecting plate 333 and the third gear 347 is meshed with the second gear 346, the second pulley 344 is provided with two, one of the second pulleys 344 is provided at the rotation connection between the third gear 347 and the connecting plate 333, the other second pulley 344 is provided on one end of the driving screw rod 341, and the second transmission belt 345 is sleeved on the two second pulleys 344;

[0034] The clamping assembly 35 includes a fourth gear 351, a second toothed rod 352, a third toothed rod 353 and a third spring 354. The fourth gear 351 is arranged in the middle of the driving screw 341. The second toothed rod 352 and the third toothed rod 353 are respectively arranged horizontally at the upper and lower ends of the fourth gear 351, and the bottom of the second toothed rod 352 and the top of the third toothed rod 353 are both meshed with the fourth gear 351. The second toothed rod 352 is horizontally slidably connected to the top of the middle opening of the mounting platform 21, and the bottom of the third toothed rod 353 is horizontally slidably connected to the bottom of the middle opening of the mounting platform 21. The ends of the second toothed rod 352 and the third toothed rod 353 that are away from each other are respectively connected to the bottom of the third punching block 24 and the fourth punching block 25. A third spring 354 is horizontally arranged between the two sides of the mounting platform 21 and the side ends of the second toothed rod 352 and the third toothed rod 353.

[0035] When it is necessary to stamp the steel plate, the steel plate is first placed horizontally on the top of the first stamping block 22 with the bottom surface of the steel plate in contact with the top of the first stamping block 22. Then, the electric push rod 313 is controlled to drive the sliding block 314 to descend along the two second sliding seats 312 until the second stamping block 23 performs the first stamping on the steel plate to bend it into the shape of the arc surface of the first stamping block 22. At this time, the trigger rod 317 at the lower end of one side of the flip block 316 is synchronously descended to squeeze the raised portion at the lower end of the sliding frame 315, so that the sliding frame 315 slides in the direction close to the first toothed rod 332. Then, the sliding block 314 is controlled by the electric push rod 313. The flip block 316 rises and resets. At this time, the trigger rod 317 at the upper end of the flip block 316 contacts one end of the top of the sliding frame 315, causing the flip block 316 to flip 180 degrees, thereby driving the second stamping block 23 to flip 180 degrees synchronously, so that the top flips to the bottom. Then, the flip block 316 is controlled to descend again by the electric push rod 313. At this time, the movement of the sliding frame 315 drives the moving rod 335 to move synchronously to squeeze and deflect the rotating plate 334, so that the first gear 336 engages with the first toothed rod 332. As the sliding block 314 and the first toothed rod 332 descend, the first gear 336 rotates clockwise, and the first belt Under the transmission of the pulley 342 and the first transmission belt 343, the second gear 346 is driven to rotate clockwise, thereby driving the third gear 347 to rotate counterclockwise, and under the transmission of the second pulley 344 and the second transmission belt 345, the driving screw 341 is driven to rotate counterclockwise synchronously, thereby driving the fourth gear 351 to rotate counterclockwise, so that the second toothed rod 352 and the third toothed rod 353 are synchronously slid toward the opposite side, the third spring 354 contracts, and the third punching block 24 and the fourth punching block 25 are synchronously slid toward the opposite side. At this time, the first punching block 22, the second punching block 23, the third punching block 24 and the fourth punching block 2 The inner side of 5 gradually forms a perfect circle, so that the steel plate inside it is punched into the shape of a steel tube. When the punching is completed, the flip block 316 drops to the bottom to drive the sliding frame 315 to reset, and the first gear 336 disengages from the first toothed rod 332 and resets under the action of the second spring 337, thereby driving the third punching block 24 and the fourth punching block 25 to reset under the action of the third spring 354, so as to facilitate the removal of the punched steel tube. Through the above operation, the process of punching the steel plate into the steel tube for processing and manufacturing the bearing is fully automated without manual adjustment of the position of the steel plate, and the punched steel tube has a high yield rate.

[0036] In this embodiment, Figure 10 to Figure 11As shown, the auxiliary molding assembly 4 includes a moving block 41 and an auxiliary cylinder 42, the moving block 41 vertically passes through the top of the mounting platform 21 and is slidably connected with it in the horizontal direction and is located on one side of the first punching block 22, the bottom of the moving block 41 is threadedly connected with one end of the driving screw 341, the auxiliary cylinder 42 is horizontally arranged above the mounting platform 21 and one end of the auxiliary cylinder 42 is connected with the top of the moving block 41, and the auxiliary cylinder 42 corresponds to the perfect circle formed by the first punching block 22, the second punching block 23, the third punching block 24 and the fourth punching block 25 and the shape is matched;

[0037] When the first punching block 22, the second punching block 23, the third punching block 24, and the fourth punching block 25 gradually form a perfect circle to punch the steel plate into a steel pipe, in order to improve the yield rate of the steel pipe after punching, when the third punching block 24 and the fourth punching block 25 move synchronously to the opposite side, as the driving screw 341 rotates, the two auxiliary cylinders 42 move synchronously to the opposite side, so that they are located on the inner side of the perfect circle formed by the first punching block 22, the second punching block 23, the third punching block 24, and the fourth punching block 25, so that the steel plate is stamped against the outer side of the auxiliary cylinder 42, so that the circular shape after stamping tends to be perfect, thereby achieving the effect of improving the yield rate of the steel pipe after stamping.

[0038] The use method and advantages of the present invention: The use method of the punching device for producing a bearing steel pipe, the working process is as follows:

[0039] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 As shown:

[0040] S1: When the device is in use, firstly, the steel plate is horizontally placed on the top of the lower end of the stamping forming component 2, the bottom of the upper end of the stamping forming component 2 and the top of the lower end of the stamping forming component 2 are arranged in a quarter arc shape and fit each other, and the top and bottom arcs of the upper end of the stamping forming component 2 are consistent, and both ends of the stamping forming component 2 are arranged in a quarter arc shape and symmetrically, firstly, the stamping component 31 is flipped by the mold to control the upper end of the stamping forming component 2 to descend, and the steel plate is stamped for the first time so that it is stamped from a flat state to an arc state;

[0041] S2: Then, the upper end of the stamping component 2 is controlled to rise by the mold flipping stamping component 31, and when it rises to the top, it flips 180 degrees from its top to the bottom, and then descends again. While descending, the two ends of the stamping component 2 are controlled to move synchronously to the opposite side with the cooperation of the first linkage component 33, the second linkage component 34 and the clamping component 35, so that the upper and lower ends and the left and right ends of the stamping component 2 form a complete circle, and with the cooperation of the two auxiliary forming components 4, the steel plate is stamped into the shape of a steel pipe.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A punching device for producing steel pipes for bearings, characterized in that: The invention comprises a base plate (1), wherein the base plate (1) is arranged on a horizontal plane, a stamping and forming assembly (2) is arranged on the top of the base plate (1), two driving stamping devices (3) are symmetrically arranged on both sides of the stamping and forming assembly (2), and the driving stamping device (3) comprises a mold flipping stamping assembly (31), a first linkage assembly (33), a second linkage assembly (34) and a clamping assembly (35), wherein the mold flipping stamping assembly (31) is arranged on the top of the base plate (1) and is located on one side of the stamping and forming assembly (2), the first linkage assembly (33) is arranged at the side end of the mold flipping stamping assembly (31), the second linkage assembly (34) is arranged at the side end of the first linkage assembly (33), the clamping assembly (35) is arranged on both sides of the stamping and forming assembly (2) and is connected to the second linkage assembly (34), and two auxiliary molding assemblies (4) are symmetrically arranged at both ends of the stamping and forming assembly (2), and the two auxiliary molding assemblies (4) are connected to the second linkage assembly (34).

2. A punching device for producing a bearing steel tube according to claim 1, characterized in that: The stamping forming assembly (2) comprises a mounting platform (21), a first stamping block (22), a second stamping block (23), a third stamping block (24), a fourth stamping block (25) and a rotating shaft (26); the mounting platform (21) is arranged on the top of the base plate (1); the first stamping block (22) is arranged on the top of the mounting platform (21); the second stamping block (23) is arranged directly above the first stamping block (22); the rotating shaft (26) horizontally passes through the top of the second stamping block (23); and the two ends of the rotating shaft (26) are respectively connected to the tops of the two driving stamping devices (3); and the third stamping block (24) is arranged on the top of the base plate (1). The third punch block (24) and the fourth punch block (25) are symmetrically arranged on both sides of the first punch block (22) and the second punch block (23), and the side ends of the third punch block (24) and the fourth punch block (25) are respectively connected to the two sides of the clamping assembly (35), the top of the first punch block (22) is arranged in a quarter arc shape, the bottom of the second punch block (23) is consistent with the top shape of the first punch block (22) and fits with each other, the top of the second punch block (23) is arranged in a quarter arc shape, and the adjacent side of the third punch block (24) and the fourth punch block (25) is arranged in a quarter arc shape.

3. A punching device for producing a bearing steel tube according to claim 2, characterized in that: The mold flip stamping assembly (31) comprises a first sliding seat (311), a second sliding seat (312), an electric push rod (313), a sliding block (314), a sliding frame (315), a flip block (316), a trigger rod (317), a first connecting rod (318), a second connecting rod (319), a limit rod (320) and a first spring (321); the first sliding seat (311) is arranged on the top of the base plate (1) and the first sliding seat (311) is located on one side of the mounting platform (21); two second sliding seats (312) are provided, and the two second sliding seats (312) are symmetrically arranged. At the top of the base plate (1), the second sliding seat (312) is located on the side of the first sliding seat (311) away from the mounting platform (21), the electric push rod (313) is vertically arranged on the top of the two second sliding seats (312) and the output end of the electric push rod (313) is arranged downward, the two ends of the sliding block (314) pass through the side ends of the two second sliding seats (312) and are slidably connected thereto up and down, and the top of the sliding block (314) is connected to the output end of the electric push rod (313), one end of the rotating shaft (26) passes through the side end of the sliding block (314) and is rotatably connected thereto, and the flip block (316) is arranged The rotating shaft (26) is arranged at one end close to the sliding block (314) of the rotating shaft (26), and trigger rods (317) are symmetrically arranged at the upper and lower ends of the flip block (316). The sliding frame (315) is arranged at the top of the first sliding seat (311) and is slidably connected with it in the horizontal direction. A protrusion is arranged at the top of the lower end of the sliding frame (315), and the protrusion is arranged in an equilateral triangle. The top of the sliding frame (315) is arranged in a plane and has a notch. Both sides of the top of the first sliding seat (311) and both sides of the sliding frame (315) are provided with magnetic suction parts. The first connecting rod (318) is vertically arranged on the sliding block (31 4), the second connecting rod (319) is horizontally arranged on a side of the sliding block (314) away from the sliding frame (315), one end of the second connecting rod (319) is connected to one end of the rotating shaft (26), the other end of the second connecting rod (319) and the bottom of the first connecting rod (318) are respectively connected to the two ends of the first spring (321), and two limiting rods (320) are provided, and the two limiting rods (320) are arranged at intervals on a side of the sliding block (314) provided with the second connecting rod (319) and the two limiting rods (320) are respectively in contact with both sides of one end of the second connecting rod (319).

4. A punching device for producing a bearing steel tube according to claim 3, characterized in that: The first linkage assembly (33) comprises a third connecting rod (331), a first toothed rod (332), a connecting plate (333), a rotating plate (334), a moving rod (335), a first gear (336) and a second spring (337), wherein the moving rod (335) is horizontally arranged on one side of the lower end of the sliding frame (315), the third connecting rod (331) horizontally passes through the side end of one of the second sliding seats (312) and is slidably connected thereto up and down, and one end of the third connecting rod (331) is connected to one end of the sliding block (314), and the first toothed rod (33 2) is vertically arranged at the side end of the third connecting rod (331), the connecting plate (333) is horizontally arranged at the side end of the mounting platform (21), the lower end of the rotating plate (334) is rotatably connected to the side end of the connecting plate (333), the rotating plate (334) is vertically arranged, the two ends of the second spring (337) are respectively connected to the side end of the rotating plate (334) and the top of the connecting plate (333), the first gear (336) is rotatably arranged on one side of the top of the rotating plate (334), and the first gear (336) is pre-engaged with the side end of the first toothed rod (332).

5. A punching device for producing a bearing steel tube according to claim 4, characterized in that: The second linkage assembly (34) comprises a driving screw rod (341), a first pulley (342), a first transmission belt (343), a second pulley (344), a second transmission belt (345), a second gear (346) and a third gear (347). The driving screw rod (341) passes through two ends of the lower part of the mounting platform (21) and is rotatably connected thereto. The middle part and both ends of the mounting platform (21) are provided with openings that are through-set. The two ends of the driving screw rod (341) are respectively located in the openings at the two ends of the mounting platform (21). The driving screw rod (341) is provided with threads with opposite rotation directions from the middle part to the two ends. The second gear (346) is arranged at the rotation connection between the connecting plate (333) and the rotating plate (334). The first pulley (342) is provided with two, one of which is the first pulley (3 42) is arranged at the rotation connection between the first gear (336) and the upper end of the rotating plate (334), the other first pulley (342) is arranged at the rotation connection between the second gear (346) and the lower end of the rotating plate (334), the first transmission belt (343) is sleeved on the two first pulleys (342), the third gear (347) is rotatably arranged at the side end of the connecting plate (333) and the third gear (347) is meshed with the second gear (346), two second pulleys (344) are provided, one of which is arranged at the rotation connection between the third gear (347) and the connecting plate (333), and the other second pulley (344) is arranged on one end of the driving screw rod (341), and the second transmission belt (345) is sleeved on the two second pulleys (344).

6. A punching device for producing a bearing steel tube according to claim 5, characterized in that: The mold clamping assembly (35) comprises a fourth gear (351), a second toothed rod (352), a third toothed rod (353) and a third spring (354); the fourth gear (351) is arranged at the middle of the driving screw (341); the second toothed rod (352) and the third toothed rod (353) are respectively arranged horizontally at the upper and lower ends of the fourth gear (351); the bottom of the second toothed rod (352) and the top of the third toothed rod (353) are both meshed with the fourth gear (351); the second toothed rod (352) and the third toothed rod (353) are respectively meshed with the fourth gear (351); (352) is horizontally slidably connected to the top of the middle opening of the mounting platform (21), the bottom of the third toothed rod (353) is horizontally slidably connected to the bottom of the middle opening of the mounting platform (21), the ends of the second toothed rod (352) and the third toothed rod (353) that are away from each other are respectively connected to the bottom of the third punching block (24) and the fourth punching block (25), and third springs (354) are horizontally arranged between the two sides of the mounting platform (21) and the side ends of the second toothed rod (352) and the third toothed rod (353).

7. A punching device for producing a bearing steel tube according to claim 6, characterized in that: The auxiliary molding component (4) comprises a moving block (41) and an auxiliary cylinder (42); the moving block (41) vertically passes through the top of the mounting platform (21) and is slidably connected to it in the horizontal direction and is located on one side of the first punching block (22); the bottom of the moving block (41) is threadedly connected to one end of the driving screw (341); the auxiliary cylinder (42) is horizontally arranged above the mounting platform (21) and one end of the auxiliary cylinder (42) is connected to the top of the moving block (41); the auxiliary cylinder (42) corresponds to the position of the perfect circle formed by the first punching block (22), the second punching block (23), the third punching block (24) and the fourth punching block (25) and matches the shape.

8. The method for using a punching device for producing a bearing steel pipe according to claim 1 comprises the following steps: S1: When the device is in use, the steel plate is first placed horizontally on the top of the lower end of the stamping and forming component (2), the bottom of the upper end of the stamping and forming component (2) and the top of the lower end of the stamping and forming component (2) are arranged in a quarter arc shape and fit each other, and the top and bottom of the upper end of the stamping and forming component (2) have the same curvature, and both ends of the stamping and forming component (2) are arranged in a quarter arc shape and are arranged symmetrically. First, the stamping component (31) is flipped by the mold to control the upper end of the stamping and forming component (2) to descend, so as to perform the first stamping on the steel plate so that it is stamped from a flat state to an arc state; S2: Then, the upper end of the stamping and forming component (2) is controlled to rise by the mold flipping stamping component (31), and when it rises to the top, it flips 180 degrees until its top flips to the bottom, and then descends again. While descending, the two ends of the stamping and forming component (2) are controlled to move synchronously to the opposite side under the cooperation of the first linkage component (33), the second linkage component (34) and the clamping component (35), so that the upper and lower ends and the left and right ends of the stamping and forming component (2) form a complete circle, and with the cooperation of the two auxiliary forming components (4), the steel plate is stamped into the shape of a steel pipe.

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