Powerful thinning spinning machine

Abstract

The utility model discloses a powerful thinning spinning machine which comprises a rack, and the rack is provided with a rotating device used for containing a workpiece and driving the workpiece to rotate, a material pressing device used for pressing the workpiece downwards and a spinning device used for conducting spinning forming on the workpiece. The rack comprises a lower rack and an upper rack, a supporting platform is arranged on the lower rack, the upper rack is arranged on the supporting platform, and a portal frame is arranged on the supporting platform; the material pressing device comprises a material pressing driving part, a material pressing seat and a material pressing ring; the pressing driving part is arranged on the portal frame and used for driving the pressing seat to move up and down; the pressing seat is in sliding connection with the two sides of the portal frame; the material pressing ring is arranged on the material pressing base and used for pressing the flange of the workpiece. According to the spinning machine, the pressing seat is driven by the pressing driving part to move up and down, as the two sides of the pressing seat are both in sliding connection with the portal frame, the vertical movement is more stable, and when the workpiece is pressed downwards, the stress of the workpiece is more balanced, so that the machining effect of the large-diameter workpiece can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of metal liner processing equipment, in particular to a strong thinning spinning machine. Background Art

[0002] Thinning spinning machine is a kind of spinning technology, also known as high-power spinning machine. It uses metal thinning spinning forming technology to process workpieces. It is often used to process cylindrical thin-walled parts such as single-layer pressure cookers, three-layer composite steel and five-layer composite steel pressure cookers.

[0003] For example, the utility model patent application number CN201721322239.6 discloses a spinning machine in which a pressing device moves up and down along a guide rail mounted vertically within the upper body, contacting the ridge of the blank to be processed, which is mounted on a rotating shaft. During operation, the pressing device continuously applies pressure to the blank, ensuring its secure positioning. However, due to the use of a single guide rail, when pressing down on the blank, the force applied to one side of the blank is greater, which can affect the processing effect of blanks with large diameters. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a powerful thinning spinning machine which can make the workpiece more evenly stressed and ensure the processing effect of large-diameter workpieces.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A strong thinning spinning machine comprises a frame, wherein the frame is provided with a rotating device for placing a workpiece and driving the workpiece to rotate, a pressing device for pressing the workpiece downward, and a spinning device for spinning the workpiece;

[0007] The frame includes a lower frame and an upper frame, the lower frame is provided with a support platform, the upper frame is provided on the support platform, and the support platform is provided with a gantry;

[0008] The pressing device includes a pressing drive, a pressing seat and a pressing ring; the pressing drive is arranged on the gantry and is used to drive the pressing seat to move up and down; the pressing seat is slidingly connected to both sides of the gantry; the pressing ring is arranged on the pressing seat and is used to press the flange of the workpiece.

[0009] As a further improvement of the above technical solution: first guide rails are provided on both sides of the gantry, the pressing drive component is provided on the top plate of the gantry, the telescopic rod of the pressing drive component extends downward through the top plate and is connected to the pressing seat, first sliders are provided on both sides of the pressing seat, and each first guide rail cooperates with the corresponding first slider.

[0010] As a further improvement of the above technical solution: the pressing device also includes a pressing guide column, which is passed through the top plate and connected to the pressing seat.

[0011] As a further improvement of the above technical solution: the rotating device includes a rotating shaft and a rotating drive member; the middle part of the rotating shaft is rotatably connected to the support platform; the upper end of the rotating shaft is a workpiece support head, and the lower end is a drive connecting head; the rotating drive member is arranged on the lower frame and is connected to the drive connecting head.

[0012] As a further improvement of the above technical solution: there are two rotating drive members, which are respectively located on both sides of the rotating shaft, and the output end of each rotating drive member is connected to the driving connector through a belt transmission.

[0013] As a further improvement of the above technical solution: it also includes a demoulding device, which includes a demoulding bracket, a demoulding cylinder, a transmission plate and a demoulding push rod. The demoulding bracket is arranged on the bottom surface of the supporting platform, and the demoulding cylinder is arranged on the demoulding bracket. Support rods are provided on both sides of the demoulding bracket, and the two ends of the transmission plate are respectively sleeved on the corresponding support rods. The telescopic rod of the demoulding cylinder is connected to the bottom surface of the transmission plate, and the lower end of the demoulding push rod is connected to the top surface of the transmission plate. The rotating shaft is a hollow shaft, and the upper end of the demoulding push rod extends into the rotating shaft and is used to lift the workpiece upward to demold.

[0014] As a further improvement of the above technical solution: the spinning device includes a lifting platform, a lifting drive motor, a lifting screw and four spinning components. The lifting platform is slidably connected to the upper frame. The lifting drive motor is arranged on the upper frame and connected to the lifting screw. The lifting platform is provided with a nut seat that can cooperate with the lifting screw. The four spinning components are all arranged on the lifting platform and are evenly arranged in a circle around the rotation axis of the rotating device.

[0015] As a further improvement of the above technical solution: second guide rails are provided on both sides of the upper frame, and second sliders are provided on both sides of the lifting platform, and the second sliders cooperate with the second guide rails.

[0016] As a further improvement of the above technical solution: the spinning assembly includes a base, a mounting seat, a rotary cutter, a spinning motor and a spinning screw, the base is provided with a third slider, the lifting platform is provided with a third guide rail that can cooperate with the third slider, the mounting seat is provided on the base, the rotary cutter is provided on the mounting seat, the spinning motor and the spinning screw are both provided on the lifting platform and connected to the spinning screw, and the base is provided with a nut seat that can cooperate with the spinning screw.

[0017] As a further improvement of the above technical solution: counterweight blocks are provided on both sides of the upper frame, and a guide wheel assembly is also provided on the upper frame. The counterweight blocks are connected to the lifting platform after passing through the guide wheel assembly through a chain.

[0018] Compared with the prior art, the beneficial effects of the present invention are: the workpiece is driven to rotate by the rotating device, the workpiece is pressed against the rotating device by the pressing device, and the workpiece is spin-formed by the spinning device to make the workpiece thinner; by arranging a gantry on the supporting platform, it is more convenient to install the pressing device, and the pressing seat is driven up and down by the pressing driving member. Since both sides of the pressing seat are slidingly connected to the gantry, the up and down movement is more stable, and when the workpiece is pressed down, the force on the workpiece is more balanced; at the same time, the four spinning components are evenly arranged in a circle around the rotation axis of the rotating device, the spinning force is stronger and the spinning efficiency is high, thereby ensuring the processing effect of large-diameter workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the spinning machine in the utility model.

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the first perspective of the spinning machine casing in the utility model.

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the second viewing angle inside the casing of the spinning machine in the present invention.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the casing of the spinning machine in the present invention from a third perspective.

[0023] Figure 5 for Figure 2 A partial enlarged view of point A in the middle.

[0024] Figure 6 for Figure 2 A partial enlarged view of point B in the middle.

[0025] Figure 7 for Figure 2 A partial enlarged view of point C in the middle.

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the workpiece in the utility model.

[0027] The reference numerals in the figure indicate: 10, frame; 11, lower frame; 12, upper frame; 121, second guide rail; 13, support platform; 14, counterweight; 15, guide wheel assembly; 16, hydraulic station system; 17, counterweight guide column; 20, rotating device; 21, rotating shaft; 22, rotating drive member; 30, pressing device; 31, pressing drive member; 32, pressing seat; 321, first slide block; 33, pressing ring; 34, pressing guide column; 40, spinning device; 41, lifting platform; 411, second slide block; 412, The third guide rail; 42. Lifting drive motor; 43. Lifting screw; 44. Spinning assembly; 441. Base; 442. Mounting seat; 443. Rotary cutter; 444. Spinning motor; 445. Spinning screw; 446. Third slider; 50. Gantry; 51. First guide rail; 52. Top plate; 53. Triangular fixing member; 60. Demolding device; 61. Demolding bracket; 611. Support rod; 62. Demolding cylinder; 63. Transmission plate; 64. Demolding ejector; 80. Casing; 81. Warehouse door; 90. Workpiece; 91. Flange. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] As shown in this disclosure and the claims, unless the context clearly indicates an exception, the words "a", "an", "an" and / or "the" do not specifically refer to the singular, but also include the plural. The words "first", "second" and similar words used in this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect.

[0030] Figures 1 to 8 An embodiment of the present invention is shown. The spinning machine of this embodiment includes a frame 10. The frame 10 is provided with a rotating device 20 for placing a workpiece 90 and driving the workpiece 90 to rotate, a pressing device 30 for pressing the workpiece 90 downward, and a spinning device 40 for spinning the workpiece 90.

[0031] The frame 10 includes a lower frame 11 and an upper frame 12. The lower frame 11 is provided with a support platform 13. The upper frame 12 is provided on the support platform 13. The support platform 13 is provided with a gantry 50.

[0032] The pressing device 30 includes a pressing drive 31, a pressing seat 32 and a pressing ring 33; the pressing drive 31 is arranged on the gantry 50 and is used to drive the pressing seat 32 to move up and down; the pressing seat 32 is slidingly connected to both sides of the gantry 50; the pressing ring 33 is arranged on the pressing seat 32 and is used to press the flange 91 of the workpiece 90.

[0033] The spinning machine drives the workpiece 90 to rotate through the rotating device 20, presses the workpiece 90 against the rotating device 20 through the pressing device 30, and spin-forms the workpiece 90 through the spinning device 40 to make the workpiece 90 thinner; by arranging a gantry 50 on the supporting platform 13, it is more convenient to install the pressing device 30, and the pressing seat 32 is driven up and down by the pressing driving member 31. Since both sides of the pressing seat 32 are slidably connected to the gantry 50, the up and down movement is more stable, and when the workpiece 90 is pressed down, the force on the workpiece 90 is more balanced, thereby ensuring the processing effect of large-diameter workpieces 90.

[0034] In this embodiment, Figure 5 As shown, first guide rails 51 are provided on both sides of the gantry 50, and the press drive 31 is provided on the top plate 52 of the gantry 50. The telescopic rod of the press drive 31 extends downward through the top plate 52 and is connected to the press seat 32. First sliders 321 are provided on both sides of the press seat 32, and each first guide rail 51 cooperates with the corresponding first slider 321. Specifically, the first guide rails 51 are provided on the columns of the gantry 50, with two first guide rails 51 on each side; the press drive 31 is preferably an oil cylinder, which is convenient for driving the press seat 32 to move up and down and for controlling the telescopic amount; there are two first sliders 321 corresponding to each first guide rail 51, and the two first sliders 321 are arranged at intervals up and down, so that the movement of the press seat 32 is more stable, the pressing effect is improved, and the force on the workpiece 90 is more uniform. In other embodiments, the press drive 31 can also be a cylinder or other device.

[0035] In this embodiment, Figures 2 to 4 As shown, the pressing device 30 also includes a pressing guide column 34, which is provided on the top plate 52 and connected to the pressing seat 32. Specifically, two pressing guide columns 34 are provided, and are respectively located on both sides of the pressing drive member 31, further improving the stability of the pressing seat 32 and enhancing the pressing effect.

[0036] In this embodiment, Figures 2 to 4As shown, the rotating device 20 includes a rotating shaft 21 and a rotating drive member 22; the middle part of the rotating shaft 21 is rotatably connected to the support platform 13; the upper end of the rotating shaft 21 is a workpiece support head, and the lower end is a drive connector; the rotating drive member 22 is arranged on the lower frame 11 and is connected to the drive connector; there are two rotating drive members 22, and the two rotating drive members 22 are respectively located on both sides of the rotating shaft 21, and the output end of each rotating drive member 22 is driven by a belt (not shown in the figure). Specifically, the rotating drive member 22 is preferably a motor, and the drive connector is a pulley. A pulley is also provided on the output shaft of the rotating motor. The rotating motor drives the rotating shaft 21 to rotate through a belt (not shown in the figure). The belts of the two rotating motors are arranged up and down for easy installation. This structure can better transmit the rotational torque and further improve the processing effect of the large-diameter workpiece 90.

[0037] In this embodiment, Figure 2 and Figure 7 As shown, it also includes a demoulding device 60, which includes a demoulding bracket 61, a demoulding cylinder 62, a transmission plate 63 and a demoulding push rod 64. The demoulding bracket 61 is arranged on the bottom surface of the support platform 13, and the demoulding cylinder 62 is arranged on the demoulding bracket 61. Support rods 611 are provided on both sides of the demoulding bracket 61, and the two ends of the transmission plate 63 are respectively mounted on the corresponding support rods 611. The telescopic rod of the demoulding cylinder 62 is connected to the bottom surface of the transmission plate 63, and the lower end of the demoulding push rod 64 is connected to the top surface of the transmission plate 63. The rotating shaft 21 is a hollow shaft, and the upper end of the demoulding push rod 64 extends into the rotating shaft 21 and is used to lift the workpiece 90 upward to demould. Specifically, after the workpiece 90 is processed, the transmission plate 63 is lifted upward by the telescopic rod of the demoulding cylinder 62, and the transmission plate 63 drives the demoulding ejector rod 64 to push upward, finally demoulding the workpiece 90, making it easier to remove the workpiece for the next process; the transmission plate 63 is guided by the demoulding bracket 61, so that the lifting process of the demoulding ejector rod 64 is more stable, thereby improving reliability.

[0038] In this embodiment, Figures 2 to 4 ,as well as Figure 6 As shown, the spinning device 40 includes a lifting platform 41, a lifting drive motor 42, a lifting screw 43, and four spinning assemblies 44. The lifting platform 41 is slidably connected to the upper frame 12. The lifting drive motor 42 is provided on the upper frame 12 and is connected to the lifting screw 43. The lifting platform 41 is provided with a nut seat that can cooperate with the lifting screw 43. The four spinning assemblies 44 are all provided on the lifting platform 41 and are evenly arranged in a circle around the rotation axis of the rotating device 20. Specifically, the lifting platform 41 serves as a carrier for the four spinning assemblies 44. The four spinning assemblies 44 are all evenly arranged in a circle around the axis of the rotating shaft 21, which facilitates the processing of large-diameter workpieces 90, thereby achieving strong thinning and better processing effects. The lifting drive motor 42 drives the lifting screw 43 to rotate, thereby driving the lifting platform 41 to slide up and down, with high stability.

[0039] In this embodiment, Figures 2 to 4 As shown, second guide rails 121 are provided on both sides of the upper frame 12, and second sliders 411 are provided on both sides of the lifting platform 41. The second sliders 411 cooperate with the second guide rails 121. Specifically, two second guide rails 121 are provided on each side, and each guide rail is equipped with two second sliders 411 spaced apart from each other. The cooperation between the second sliders 411 and the second guide rails 121 improves the stability of the lifting platform 41 during lifting.

[0040] In this embodiment, Figure 6 The spinning assembly 44 includes a base 441, a mounting seat 442, a rotary cutter 443, a spinning motor 444, and a spinning screw 445. The base 441 is provided with a third slider 446, and the lifting platform 41 is provided with a third guide rail 412 that can cooperate with the third slider 446. The mounting seat 442 is provided on the base 441, and the rotary cutter 443 is provided on the mounting seat 442. The spinning motor 444 and the spinning screw 445 are both provided on the lifting platform 41 and connected to the spinning screw 445. The base 441 is provided with a nut seat that can cooperate with the spinning screw 445. Specifically, the spinning motor 444 drives the spinning screw 445 to rotate, causing the base 441 to move closer to or away from the rotating shaft 21, thereby driving the rotary cutter 443 closer to or away from the rotating shaft 21. Each spinning assembly 44 is equipped with two third guide rails 412 to make the movement of the base 441 more stable.

[0041] In this embodiment, Figures 2 to 4 As shown, counterweights 14 are provided on both sides of the upper frame 12. A guide wheel assembly 15 is also provided on the upper frame 12. The counterweights 14 are connected to the lifting platform 41 via a chain (not shown) that passes over the guide wheel assembly 15. Specifically, since the lifting platform 41 has a certain weight, the counterweights 14 on both sides can make the lifting more stable and prevent fatigue of the lifting drive motor 42 and the lifting screw 43. Counterweight guide columns 17 are provided on both sides of the counterweights 14 for guiding and limiting the counterweights 14.

[0042] In this embodiment, Figures 1 to 4 As shown, the gantry 50 is connected to the upper frame 12 through a triangular fixing member 53, thereby improving the stability of the structure; a casing 80 is also provided on the periphery of the frame 10 for protecting the internal equipment; a compartment door 81 is provided on the casing 80 for facilitating the removal and placement of the workpiece 90; a hydraulic station system 16 is provided on the lower frame 11 for providing hydraulic pressure.

[0043] Although the present invention has been disclosed above with reference to preferred embodiments, this is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the present invention, utilize the technical content disclosed above to make many possible changes and modifications to the present invention, or modify it into equivalent embodiments with equivalent variations. Therefore, any simple modifications, equivalent variations, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the content of the present invention, should fall within the scope of protection of the present invention.

Claims

1. A strong thinning spinning machine, comprising a frame (10), wherein the frame (10) is provided with a rotating device (20) for placing a workpiece (90) and driving the workpiece (90) to rotate, a pressing device (30) for pressing the workpiece (90) downward, and a spinning device (40) for spinning the workpiece (90); characterized in that: The frame (10) includes a lower frame (11) and an upper frame (12), the lower frame (11) is provided with a support platform (13), the upper frame (12) is provided on the support platform (13), and the support platform (13) is provided with a gantry (50); The pressing device (30) includes a pressing drive member (31), a pressing seat (32) and a pressing ring (33); the pressing drive member (31) is arranged on the gantry (50) and is used to drive the pressing seat (32) to move up and down; the pressing seat (32) is slidably connected to both sides of the gantry (50); the pressing ring (33) is arranged on the pressing seat (32) and is used to press the flange (91) of the workpiece (90).

2. The strong thinning spinning machine according to claim 1, characterized in that: First guide rails (51) are provided on both sides of the gantry (50), the pressing drive member (31) is provided on the top plate (52) of the gantry (50), the telescopic rod of the pressing drive member (31) passes through the top plate (52) and extends downward, and is connected to the pressing seat (32), first sliders (321) are provided on both sides of the pressing seat (32), and each first guide rail (51) cooperates with the corresponding first slider (321).

3. The strong thinning spinning machine according to claim 2, characterized in that: The material pressing device (30) further comprises a material pressing guide column (34), wherein the material pressing guide column (34) is passed through the top plate (52) and connected to the material pressing seat (32).

4. The strong thinning spinning machine according to any one of claims 1 to 3, characterized in that: The rotating device (20) includes a rotating shaft (21) and a rotating driving member (22); the middle portion of the rotating shaft (21) is rotatably connected to the supporting platform (13); the upper end of the rotating shaft (21) is a workpiece supporting head, and the lower end is a driving connecting head; the rotating driving member (22) is arranged on the lower frame (11) and is connected to the driving connecting head.

5. The strong thinning spinning machine according to claim 4, characterized in that: There are two rotating drive members (22), which are respectively located on both sides of the rotating shaft (21), and the output end of each rotating drive member (22) is connected to the driving connector through a belt transmission.

6. The strong thinning spinning machine according to claim 4, characterized in that: The present invention also includes a demoulding device (60), wherein the demoulding device (60) includes a demoulding bracket (61), a demoulding cylinder (62), a transmission plate (63) and a demoulding push rod (64), wherein the demoulding bracket (61) is arranged on the bottom surface of the support platform (13), the demoulding cylinder (62) is arranged on the demoulding bracket (61), support rods (611) are provided on both sides of the demoulding bracket (61), and the two ends of the transmission plate (63) are respectively sleeved on the corresponding support rods (611), the telescopic rod of the demoulding cylinder (62) is connected to the bottom surface of the transmission plate (63), the lower end of the demoulding push rod (64) is connected to the top surface of the transmission plate (63), the rotating shaft (21) is a hollow shaft, the upper end of the demoulding push rod (64) extends into the rotating shaft (21), and is used for lifting the workpiece (90) upward to demould.

7. The strong thinning spinning machine according to any one of claims 1 to 3, characterized in that: The spinning device (40) comprises a lifting platform (41), a lifting drive motor (42), a lifting screw (43) and four spinning components (44). The lifting platform (41) is slidably connected to the upper frame (12). The lifting drive motor (42) is arranged on the upper frame (12) and connected to the lifting screw (43). A nut seat that can cooperate with the lifting screw (43) is provided on the lifting platform (41). The four spinning components (44) are all arranged on the lifting platform (41) and are evenly arranged in a circle around the rotation axis of the rotating device (20).

8. The strong thinning spinning machine according to claim 7, characterized in that: Second guide rails (121) are provided on both sides of the upper frame (12), and second sliders (411) are provided on both sides of the lifting platform (41), and the second sliders (411) cooperate with the second guide rails (121).

9. The strong thinning spinning machine according to claim 7, characterized in that: The spinning assembly (44) includes a base (441), a mounting seat (442), a rotary cutter (443), a spinning motor (444) and a spinning screw (445); a third slider (446) is provided on the base (441); a third guide rail (412) that can cooperate with the third slider (446) is provided on the lifting platform (41); the mounting seat (442) is provided on the base (441); the rotary cutter (443) is provided on the mounting seat (442); the spinning motor (444) and the spinning screw (445) are both provided on the lifting platform (41) and connected to the spinning screw (445); and a nut seat that can cooperate with the spinning screw (445) is provided on the base (441).

10. The strong thinning spinning machine according to claim 7, characterized in that: Counterweights (14) are provided on both sides of the upper frame (12). A guide wheel assembly (15) is also provided on the upper frame (12). The counterweights (14) are connected to the lifting platform (41) after passing through the guide wheel assembly (15) via a chain.

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