Powerful multi-wheel thinning spinning machine

Abstract

The utility model provides a powerful multi-wheel thinning spinning machine which comprises a spindle box, a tailstock module, a spinning module and an electric control box, the spindle box is fixedly arranged above a lathe bed, and the output end of the spindle box is connected with a core mold used for installing a pipe fitting. The tailstock module and the spindle box are coaxially arranged above the lathe bed, and the movable end of the tailstock module can move in the axis direction to be used for clamping or loosening the end of the core mold. According to the spinning device, the structure of the spinning module is optimized, the multiple sets of spinning roller assemblies are evenly arranged on the portal frame around the core mold, pipe fittings are evenly stressed when the multiple sets of spinning roller assemblies conduct spinning machining, each set of spinning roller assembly can operate independently, and in the spinning process, different spinning roller assemblies can be selected and controlled according to actual requirements so as to enter different spinning modes; meanwhile, a spinning roller in the spinning roller assembly is rotationally connected with the adjusting assembly, the spinning roller is driven by the adjusting assembly to move inwards in the radial direction of the core mold so that the pipe can be pressed in a rolling mode, the friction force between the pipe and the spinning roller is greatly reduced, and the machining quality of products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of strong multi-wheel thinning spinning machines. BACKGROUND

[0002] Pipe thinning spinning has important applications in many fields, and its main movement is mainly the rotational movement of the pipe driven by the core mold. The plastic forming of the pipe relies on the axial and radial feed of the spinning wheel, and the rolling movement is implemented to complete it. At present, when the existing spinning machine is processed, there is a large friction between the pipe and the spinning wheel, so it is easy to cause the pipe and the core mold to slip, resulting in poor processing effect and affecting product quality, which cannot meet the needs of production. Therefore, the prior art still needs to be improved and developed. SUMMARY

[0003] In view of the deficiencies in the above problems, the utility model provides a kind of strong multi-wheel thinning spinning machine.

[0004] To achieve the above purpose, the utility model provides a kind of strong multi-wheel thinning spinning machine, including main shaft box, tailstock module, spinning module, electric control box;

[0005] The main shaft box is fixed on the bed above the main shaft box, and the output end is connected with the core mold for installing the pipe;

[0006] Tailstock module, the tailstock module is coaxial with the main shaft box and is arranged above the bed, and the movable end can move along the axial direction to clamp or loosen the end of the core mold;

[0007] Spinning module, the spinning module includes gantry, drive assembly one, multiple spinning wheel assemblies, the gantry is slidably arranged above the bed and is driven by the drive assembly one to move along the core mold axial direction between the main shaft box and the tailstock module, multiple spinning wheel assemblies are uniformly arranged on the gantry around the core mold, the spinning wheel assembly includes a spinning wheel and an adjusting assembly, the spinning wheel is rotatably connected with the adjusting assembly and is driven by the adjusting assembly to move radially along the core mold to achieve rolling compression or loosening of the pipe;

[0008] Electric control box, the electric control box is connected with the main shaft box, the tailstock module and the spinning module circuit.

[0009] Further, the adjusting assembly includes a spinning wheel seat, a second lead screw and a second drive, the spinning wheel seat is slidably connected with the gantry, one end of the second lead screw is threadedly connected with the spinning wheel seat, and the other end is connected with the output shaft of the second drive, the second drive is fixedly connected with the gantry to drive the second lead screw to rotate and drive the spinning wheel seat and the spinning wheel to move radially along the core mold.

[0010] Further, the spinning wheel assembly further includes a third drive, the third drive is fixedly connected with the spinning wheel seat, and the output shaft is connected with the spinning wheel to drive the spinning wheel to rotate.

[0011] Further, the driving assembly comprises a screw rod base, a screw rod I, and a driving part I. The screw rod base is fixed above the bed near the main shaft box. The screw rod I penetrates the gantry and is threadedly connected with the gantry. One end of the screw rod I is rotationally connected with the screw rod base through a bearing, and the other end is connected with the output shaft of the driving part I. The driving part I is fixed above the bed to drive the screw rod I to rotate and drive the gantry to move along the core mold axis between the main shaft box and the tailstock module.

[0012] Further, the bed is provided with a cutoff part for limiting the movement of the gantry between the main shaft box and the tailstock module.

[0013] Further, the bed is provided with a cutoff part for limiting the movement of the gantry between the main shaft box and the tailstock module.

[0014] Further, the output end of the main shaft box is provided with a driving tooth that rotates synchronously with the core mold. A driven tooth is connected in the through hole through a bearing. The driven tooth is in clearance fit with the core mold and is in meshing fit with the driving tooth. A abutting ring is fixed on the driven tooth. The inner ring of the abutting ring is in clearance fit with the core mold, and the side wall of the abutting ring is provided with a ratchet part corresponding to the end wall of the pipe.

[0015] Further, the tailstock module comprises a tailstock assembly I, which comprises a tailstock I, a driving part V, and a connecting part. The driving part V is fixed with the tailstock I. The output shaft of the driving part V penetrates the tailstock I and is fixed with the connecting part to drive the connecting part to move along the axis to clamp or release the end of the core mold.

[0016] Further, the tailstock module further comprises a tailstock assembly II, which comprises a tailstock II and a driving part VI. The tailstock I is in sliding connection with the bed. The tailstock II is fixed with the bed. The driving part VI is fixed with the tailstock II. The output shaft of the driving part VI penetrates the tailstock II and is fixed with the tailstock I to drive the tailstock I to move along the axis.

[0017] The utility model discloses relative to prior art's beneficial effect is: the utility model discloses optimized the structure of spinning module, and multiple groups of spinning wheel subassembly around core mould even arrangement is in gantry, and multiple groups of spinning wheel subassembly spinning process pipe fittings stress even, and each spinning wheel subassembly can be individually operated, that is, in the spinning process, can select the control different spinning wheel subassembly according to actual demand and thus enter different spinning mode, simultaneously, the spinning wheel of spinning wheel subassembly and adjusting component rotation connects, and the spinning wheel is driven along the core mould radial inward movement and can realize the rolling pressure pipe fittings of adjusting component, greatly reduced the friction between pipe fittings and spinning wheel, improved the processing quality of product. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective drawing of a strong type multi-wheel thinning spinning machine of the utility model;

[0019] Figure 2 It is the perspective drawing of the spinning module of the scheme;

[0020] Figure 3 It is Figure 1 the enlarged view of A in. DETAILED DESCRIPTION

[0021] As Figure 1 shown, the utility model discloses a strong type multi-wheel thinning spinning machine, including main shaft box 3, tailstock module 4, spinning module 5, electric control box 6, wherein electric control box 6 and main shaft box 3, tailstock module 4, spinning module 5 circuit connection.

[0022] Among them, as Figure 1 , Figure 2As shown, the spindle box 3 in the embodiment is fixed above the lathe bed 2, and a core mold 1 is connected to the output end, which is used to install the pipe to be processed and driven by the spindle box 3 to rotate the pipe to be processed; the tailstock module 4 is coaxial with the spindle box 3 and arranged above the lathe bed 2, and the movable end can move along the axial direction to clamp or loosen the end of the core mold 1, which can avoid shaking of the core mold 1 during rotation; the spinning module 5 includes a gantry 51, a driving assembly one 52, and multiple sets of spinning wheel assemblies 53. The gantry 51 is slidingly arranged above the lathe bed 2 and driven by the driving assembly one 52 to move along the axial direction of the core mold 1 between the spindle box 3 and the tailstock module 4. The multiple sets of spinning wheel assemblies 53 are uniformly arranged on the gantry 51 around the core mold 1. The spinning wheel assembly 53 includes a spinning wheel 531 and an adjusting assembly 532. The spinning wheel 531 is rotationally connected with the adjusting assembly 532 and driven by the adjusting assembly 532 to move radially along the core mold 1 to achieve rolling compression or loosening of the pipe. The pipe is uniformly stressed during spinning processing of the multiple sets of spinning wheel assemblies 53, and each set of spinning wheel assembly 53 can be operated independently, that is, different spinning wheel assemblies 53 can be selected and controlled according to actual needs during the spinning process to enter different spinning modes. In addition, the spinning wheel 531 in the spinning wheel assembly 53 is rotationally connected with the adjusting assembly 532. The spinning wheel 531 is driven by the adjusting assembly 532 to move radially inward along the core mold 1 to achieve rolling compression of the pipe, which greatly reduces the friction between the pipe and the spinning wheel 531 and improves the processing quality of the product.

[0023] Further, as shown in the drawings, Figure 1 The tailstock module 4 in the embodiment includes a tailstock assembly one 41. The tailstock assembly one 41 includes a tailstock one 411, a driving piece five 412, and a connecting piece 413. The driving piece five 412 is fixedly connected with the tailstock one 411. The output shaft of the driving piece five 412 penetrates the tailstock one 411 and is fixedly connected with the connecting piece 413, which is used to drive the connecting piece 413 to move along the axial direction to clamp or loosen the end of the core mold 1. At the same time, the tailstock module 4 further includes a tailstock assembly two 42. The tailstock assembly two 42 includes a tailstock two 421 and a driving piece six 422. The lathe bed 2 is provided with a guide rail group one 12 along the axial direction. The tailstock one 411 is provided below with multiple sliding blocks one 13. The tailstock one 411 is slidingly connected with the lathe bed 2 through cooperation of the sliding blocks one 13 and the guide rail group one 12. The tailstock two 421 is fixedly connected with the lathe bed 2. The driving piece six 422 is fixedly connected with the tailstock two 421. The output shaft of the driving piece six 422 penetrates the tailstock two 421 and is fixedly connected with the tailstock one 411, which is used to drive the tailstock one 411 to move along the axial direction. The tailstock assembly one 41 is driven by the driving piece six 422 to move along the guide rail group one 12 to adjust the position, which is used to facilitate placement and removal of different pipes.

[0024] Further, as shown in the drawings, Figure 1 , Figure 2As shown, the gantry 51 in the embodiment is provided below with a plurality of sliding blocks two 14, and the gantry 51 is connected to the slide set one 12 through the sliding blocks two 14 to realize the sliding connection with the lathe bed 2; at the same time, the driving assembly one 52 includes a screw rod seat 521, a screw rod one 522 and a driving part one 523, the screw rod seat 521 is fixedly arranged above the lathe bed 2 close to the spindle box 3, the screw rod one 522 penetrates through the gantry 51 and is threadedly connected with the gantry 51, one end of the screw rod one 522 is rotatably connected with the screw rod seat 521 through a bearing, and the other end is connected with an output shaft of the driving part one 523, the driving part one 523 is fixedly arranged above the lathe bed 2 to drive the screw rod one 522 to rotate and drive the gantry 51 to move along the axis direction of the core mold 1 between the spindle box 3 and the tailstock module 4, and the lathe bed 2 is provided with a stop piece 7, and the stop piece 7 is arranged to limit the movement of the gantry 51 between the spindle box 3 and the tailstock module 4.

[0025] Further, as shown in the drawings, Figure 2 The rotary wheel assembly 53 in the embodiment has three groups, and different groups of rotary wheel assemblies 53 can be selected according to actual needs during actual use. In addition, the adjusting assembly 532 includes a rotary wheel seat 5321, a screw rod two 5322 and a driving part two 5323, the gantry 51 is provided with a guide rail set two 15, the rotary wheel seat 5321 is provided with a plurality of sliding blocks three 16 corresponding to the guide rail set two 15, the rotary wheel seat 5321 is connected to the gantry 51 through the sliding blocks three 16 to realize the sliding connection, one end of the screw rod two 5322 is threadedly connected with the rotary wheel seat 5321, and the other end is connected with an output shaft of the driving part two 5323, the driving part two 5323 is fixedly connected with the gantry 51 to drive the screw rod two 5322 to rotate and drive the rotary wheel seat 5321 and the rotary wheel 531 to move along the radial direction of the core mold 1; at the same time, the rotary wheel assembly 53 further includes a driving part three 533, the driving part three 533 is fixedly connected with the rotary wheel seat 5321, and an output shaft is connected with the rotary wheel 531 to drive the rotary wheel 531 to rotate, and the rotary wheel 531 is driven to rotate by the driving part three 533 when rolling and pressing the pipe, which can further reduce the friction between the rotary wheel 531 and the pipe.

[0026] Further, as shown in the drawings, Figure 1 , Figure 3 The rotary spinning machine in the embodiment further includes a demolding assembly 8, the demolding assembly 8 includes a driving part four 81 and a demolding seat 82, the driving part four 81 has a plurality of driving parts four 81 which are symmetrically arranged on the side wall of the spindle box 3, and the demolding seat 82 is fixedly connected with the output shaft of the driving part four 81 and is provided with a through hole for the core mold 1 to pass through; during demolding, the driving part four 81 drives the demolding seat 82 to move outward and simultaneously drives the pipe to move outward to realize demolding through the circuit control of the electric control box 6.

[0027] Further, as shown in the drawings, Figure 1 , Figure 3As shown, the output end of the spindle box 3 in the embodiment is provided with a driving tooth 9 rotating synchronously with the core mold 1, a driven tooth 10 is connected in the through hole through a bearing, the driven tooth 10 is in clearance fit with the core mold 1 and is in meshing fit with the driving tooth 9, a abutting ring 11 is fixed on the driven tooth 10, the inner ring of the abutting ring 11 is in clearance fit with the core mold 1, and the side wall of the abutting ring 11 is provided with a ratchet part 111 corresponding to the end wall of the pipe; in the initial state, the driven tooth 10 is in meshing with the driving tooth 9, the abutting ring 11 rotates synchronously with the driven tooth 10 and the driving tooth 9, and the setting of the ratchet part 111 can increase the friction between the end wall of the pipe and the abutting ring 11, so as to avoid the slip of the pipe during the spinning processing; when demolding, the driving part four 81 of the electric control box 6 is controlled to drive the demolding seat 82 to move outward, the abutting ring 11 moves outward along with the demolding seat 82 and drives the pipe to move outward to realize demolding.

[0028] When spinning, as shown, Figures 1-3 the pipe to be processed is sleeved on the core mold 1, one end of the pipe abuts on the ratchet part 111, the electric control box 6 controls the driving part five 412 to drive the connecting part 413 to move inward along the axis to clamp the end part of the core mold 1, then the electric control box 6 controls the output end of the spindle box 3 to rotate and drives the core mold 1, the driving tooth 9, the driven tooth 10 and the pipe to rotate synchronously, then the electric control box 6 controls the driving part one 523 to rotate forward, so that the gantry 51 moves from the tailstock module 4 to the spindle box 3, and the electric control box 6 controls the driving part two 5323 to rotate forward, so that the spinning wheel 531 moves inward along the radial direction of the core mold 1 to press the pipe, when the gantry 51 moves to the spindle box 3, the electric control box 6 controls the driving part one 523 and the driving part two 5323 to reverse, until the gantry 51 approaches the tailstock module 4, then the above-mentioned electric control box 6 controls the driving part one 523 and the driving part two 5323 is repeated, until the wall thickness of the pipe reaches the set requirement, the electric control box 6 controls the output end of the spindle box 3 to stop rotating, then the electric control box 6 controls the driving part five 412 to drive the connecting part 413 to move outward along the axis to loosen the end part of the core mold 1, then the electric control box 6 controls the driving part six 422 to drive the tailstock one 411 to move outward along the axial direction to realize demolding, and the processed pipe is taken down.

[0029] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-power multi-wheel thinning spinning machine, characterized in that, include: The spindle box (3) is fixed above the bed (2) and the output end is connected to a mandrel (1) for installing pipe fittings. Tailstock module (4), which is coaxially mounted above the bed (2) with the spindle box (3) and whose movable end can move along the axial direction to clamp or release the end of the core mold (1); Spinning module (5), the spinning module (5) includes a gantry (51), a drive assembly (52), and multiple sets of spinning wheel assemblies (53). The gantry (51) is slidably mounted above the bed (2) and driven by the drive assembly (52) to move between the spindle box (3) and the tailstock module (4) along the axis of the mandrel (1). Multiple sets of spinning wheel assemblies (53) are evenly arranged on the gantry (51) around the mandrel (1). The spinning wheel assembly (53) includes a spinning wheel (531) and an adjustment assembly (532). The spinning wheel (531) is rotatably connected to the adjustment assembly (532) and is driven by the adjustment assembly (532) to move radially along the mandrel (1) to achieve rolling pressing or loosening of the pipe fitting. The electrical control box (6) is electrically connected to the spindle box (3), tailstock module (4), and spinning module (5).

2. The high-power multi-wheel thinning spinning machine according to claim 1, characterized in that: The adjustment assembly (532) includes a rotating wheel seat (5321), a second lead screw (5322), and a second drive component (5323). The rotating wheel seat (5321) is slidably connected to the gantry frame (51). One end of the second lead screw (5322) is threadedly connected to the rotating wheel seat (5321), and the other end is connected to the output shaft of the second drive component (5323). The second drive component (5323) is fixedly connected to the gantry frame (51) and is used to drive the second lead screw (5322) to rotate and drive the rotating wheel seat (5321) and the rotating wheel (531) to move radially along the core mold (1).

3. A high-power multi-wheel thinning spinning machine according to claim 2, characterized in that: The wheel assembly (53) further includes a third drive component (533), which is fixedly connected to the wheel seat (5321) and has an output shaft connected to the wheel (531) to drive the wheel (531) to rotate.

4. A high-power multi-wheel thinning spinning press according to any one of claims 1 to 3, characterized in that: The drive assembly 1 (52) includes a lead screw seat (521), a lead screw 1 (522), and a drive component 1 (523). The lead screw seat (521) is fixed above the bed (2) near the spindle box (3). The lead screw 1 (522) passes through the gantry (51) and is threadedly connected to the gantry (51). One end of the lead screw 1 (522) is rotatably connected to the lead screw seat (521) through a bearing, and the other end is connected to the output shaft of the drive component 1 (523). The drive component 1 (523) is fixed above the bed (2) and is used to drive the lead screw 1 (522) to rotate and drive the gantry (51) to move between the spindle box (3) and the tailstock module (4) along the axis of the mandrel (1).

5. A high-power multi-wheel thinning spinning machine according to claim 4, characterized in that: The bed (2) is provided with a stop (7) for restricting the movement of the gantry (51) between the spindle box (3) and the tailstock module (4).

6. A high-power multi-wheel thinning spinning machine according to claim 1, characterized in that: It also includes a demolding assembly (8), which includes a drive component four (81) and a demolding seat (82). The drive component four (81) has multiple symmetrical core molds (1) fixed on the side wall of the spindle box (3). The demolding seat (82) is fixed to the output shaft of the drive component four (81) and has a through hole in the center for the core mold (1) to pass through. During demolding, the drive component four (81) is controlled by the circuit of the electrical control box (6) to drive the demolding seat (82) to move outward and simultaneously drive the pipe to move outward to achieve demolding.

7. A high-power multi-wheel thinning spinning machine according to claim 6, characterized in that: The output end of the spindle box (3) is provided with an active tooth (9) that rotates synchronously with the core mold (1). A driven tooth (10) is connected to the through hole through a bearing. The driven tooth (10) is in clearance fit with the core mold (1) and meshes with the active tooth (9). An abutment ring (11) is fixedly connected to the driven tooth (10). The inner ring of the abutment ring (11) is in clearance fit with the core mold (1), and the side wall is provided with a ratchet part (111) corresponding to the end wall of the pipe fitting.

8. A high-power multi-wheel thinning spinning machine according to claim 1, characterized in that: The tailstock module (4) includes a tailstock assembly (41), which includes a tailstock (411), a drive component (412), and a connector (413). The drive component (412) is fixedly connected to the tailstock (411). The output shaft of the drive component (412) passes through the tailstock (411) and is fixedly connected to the connector (413) to drive the connector (413) to move along the axial direction to clamp or release the end of the core mold (1).

9. A high-power multi-wheel thinning spinning machine according to claim 8, characterized in that: The tailstock module (4) further includes a tailstock assembly two (42), which includes a tailstock two (421) and a drive component six (422). The tailstock one (411) is slidably connected to the bed (2), the tailstock two (421) is fixedly connected to the bed (2), and the drive component six (422) is fixedly connected to the tailstock two (421). The output shaft of the drive component six (422) passes through the tailstock two (421) and is fixedly connected to the tailstock one (411) to drive the tailstock one (411) to move along the axial direction.

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