Spinning machine for machining fan impeller

Abstract

The spinning machine for machining the fan impeller comprises a machine frame, a rotating base used for fixing a workpiece is connected into the machine frame in a rotating mode, two extrusion heads are arranged above the rotating base, and two trusses extending in the left-right direction are arranged on the inner wall face of the machine frame and drive the two extrusion heads to move respectively. The two extrusion heads jointly extrude a workpiece on the rotating seat to realize spinning; an annular flange and an annular baffle ring are arranged on the upper surface of the rotating seat, the flange is fixedly connected with the rotating seat, the baffle ring is arranged on the periphery of the flange in a sleeving mode and movably connected with the rotating seat, a crack for clamping a workpiece clamp is formed between the flange and the baffle ring, and a squeezing and pushing structure for pushing the baffle ring to move is arranged on the wall face of the baffle ring. The clamping device is good in workpiece clamping effect, even in stress, not prone to distortion in the workpiece spinning process, capable of achieving one-time fixing, free of repeated fixing of multiple positions of the workpiece, good in clamping efficiency and easy to disassemble and assemble the workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of fan production, in particular to a spinning machine for processing fan impellers. Background Art

[0002] The prior art discloses a spinning machine for processing the front disc and air inlet of a fan impeller (CN201610108412.6), which includes a base, a spinning platform, a spinning die and a spinning punch. The spinning platform can be driven to rotate by a driving component I. The spinning machine of the present invention also includes a driving component II for controlling the vertical movement of the spinning die, a driving component III for controlling the horizontal movement of the spinning die, and a driving component IV for controlling the horizontal movement of the spinning punch.

[0003] The prior art mainly achieves clamping and fixing of the workpiece by setting a plurality of pressure plates fixed by bolts. During the installation process, they need to be tightened one by one, the concentricity of the workpiece and the rotating seat is difficult to ensure, the clamping efficiency is low, and there is a certain space for optimization. Utility Model Content

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a spinning machine for processing fan impellers.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme, including a frame 10, in which a rotating seat 11 for fixing a workpiece is rotatably connected, two extrusion heads are arranged above the rotating seat 11, and the inner wall surface of the frame 10 is provided with two trusses extending to the left and right, which respectively drive the two extrusion heads to move, and the two extrusion heads jointly extrude the workpiece on the rotating seat 11 to realize spinning; the upper surface of the rotating seat 11 is provided with an annular retaining edge 20 and an annular retaining ring 21, the retaining edge 20 is fixedly connected to the rotating seat 11, the retaining ring 21 is sleeved on the outer periphery of the retaining edge 20 and is movably connected to the rotating seat 11, a gap for clamping the workpiece is formed between the retaining edge 20 and the retaining ring 21, and the wall surface of the retaining ring 21 is provided with an extrusion and pushing structure for pushing the retaining ring 21 to move.

[0006] The advantages of the utility model are:

[0007] 1. By setting the ribs and the retaining ring, the vertical sliding of the retaining ring is used to close the gap formed by the ribs and the retaining ring, and then the workpiece located in the gap is pressed and fixed to achieve the preparation work before spinning. This method has a good clamping effect on the workpiece and uniform force. The workpiece is not easy to twist during the spinning process. It can be fixed once, without repeatedly fixing the workpiece in multiple places. The clamping efficiency is good and the workpiece is easy to disassemble and assemble. In addition, the annular ribs and retaining rings can ensure that the workpiece and the rotating seat are in a concentric position, and the roundness error of the port after spinning is small.

[0008] 2. The screw is pushed to rotate and the retaining ring is pushed to slide radially along the limiting rod, so that the position of the retaining ring is adjusted, and the gap formed by the retaining ring and the retaining edge can be opened or closed, which has the characteristics of simple structure, easy operation and easy maintenance.

[0009] 3. By pulling the flip body, the flip body drives the sliding body to slide in the sliding groove. When the flip body is completely disengaged from the sliding groove, the flip body is flipped to a horizontal position. The handle on the side wall of the flip body is held to push the flip body to rotate and then push the screw to rotate in a circle. The flipped flip body is used as a force arm to increase the length of the force arm to achieve the purpose of saving effort. It is more labor-saving when turning the screw to adjust the position of the retaining ring. There is no need to use tools such as wrenches, and it is easy to use in practice. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional diagram of the utility model;

[0011] Figure 2 A three-dimensional diagram of the present invention from another angle;

[0012] Figure 3 This is a schematic diagram of the installation of the retaining edge and retaining ring of the rotating seat of the utility model;

[0013] Figure 4 This is a three-dimensional diagram of the installation of the rib and the rotating seat of the utility model;

[0014] Figure 5 This is a three-dimensional diagram of the retaining ring of the utility model;

[0015] Figure 6 This is the assembly diagram of the sliding body, the turning body and the pushing screw.

[0016] Description of labels:

[0017] 10. Frame; 11. Rotating seat; 20. Side guard; 21. Retaining ring; 22. Limit rod; 23. Push screw; 30. Sliding groove; 31. Sliding body; 32. Turning body. DETAILED DESCRIPTION

[0018] A spinning machine for processing fan impellers, such as Figure 1 and Figure 2 As shown, it includes a frame 10, a rotating seat 11 for fixing a workpiece is rotatably connected inside the frame 10, two extrusion heads are arranged above the rotating seat 11, and two trusses extending in left and right directions are arranged on the inner wall surface of the frame 10 to drive the two extrusion heads to move respectively, and the two extrusion heads jointly extrude the workpiece on the rotating seat 11 to realize spinning;

[0019] Specifically, the truss is a three-axis truss, and the walls of the two extrusion heads close to each other form an arc surface. The two extrusion heads are respectively arranged on the inner and outer walls of the annular workpiece. Through the multi-axis movement of the two extrusion heads, the workpiece is driven to rotate in cooperation with the rotatable rotating seat 11 to achieve spinning. A motor is installed on the wall of the frame 10 to drive the rotating seat 11 to rotate. This is an existing well-known technology and will not be elaborated here.

[0020] like Figure 2-5 As shown, the upper surface of the rotating seat 11 is provided with an annular retaining edge 20 and an annular retaining ring 21, the retaining edge 20 is fixedly connected to the rotating seat 11, the retaining ring 21 is sleeved on the outer periphery of the retaining edge 20 and is movably connected to the rotating seat 11, a clamping gap for clamping the workpiece is formed between the retaining edge 20 and the retaining ring 21, and the wall surface of the retaining ring 21 is provided with a pushing structure for pushing the retaining ring 21 to move.

[0021] The rotating seat 11 is a circular plate, and the retaining edge 20 and the retaining ring 21 are both concentric with the rotating seat 11 . The outer wall of the retaining edge 20 and the inner wall of the retaining ring 21 are chamfered to form a tapered circumferential surface.

[0022] By providing the retaining edge 20 and the retaining ring 21, the vertical sliding of the retaining ring 21 is utilized to close the gap formed by the retaining edge 20 and the retaining ring 21, thereby pressing and fixing the workpiece in the gap, thereby completing the preparation work before spinning. Compared with the prior art, the present solution has a good clamping effect on the workpiece, and the force is evenly distributed. The workpiece is not easily twisted during the spinning process, and can be fixed once without repeatedly fixing the workpiece in multiple places. The clamping efficiency is good, and the workpiece is easy to disassemble and assemble.

[0023] like Figure 3-5 As shown, the squeezing and pushing structure includes a limiting rod 22 and a pushing screw 23. The retaining ring 21 is slidingly connected to the rotating seat 11 through the limiting rod 22. The pushing screw 23 is rotationally connected to the rotating seat 11 and is threadedly connected to the retaining ring 21. The pushing screw 23 can push the retaining ring 21 to slide radially along the limiting rod 22.

[0024] The outer circumferential surface of the retaining ring 21 is provided with an integrally formed annular edge, and a through hole is provided on the annular edge to fit the limiting rod 22. The limiting rod 22 passes through the through hole and is fixedly connected to the top surface of the rotating seat 11. A threaded hole is also provided on the top of the annular edge of the retaining ring 21, and a push screw 23 is connected to the threaded hole. The bottom end of the push screw 23 is rotatably connected to the top of the rotating seat 11, and the push screw 23 and the limiting rod 22 are symmetrically distributed. The push screw 23 is rotated to push the retaining ring 21 to slide radially along the limiting rod 22, so as to adjust the position of the retaining ring 21, and then the gap formed by the retaining ring 21 and the retaining edge 20 can be opened or closed, which has the characteristics of simple structure, easy operation and easy maintenance.

[0025] like Figure 5 , 6As shown, the pushing structure also includes a sliding groove 30, a sliding body 31 and a flip body 32. The sliding groove 30 is opened at the top of the pushing screw 23, and the flip body 32 is rotatably connected to the sliding body 31. The sliding body 31 slides in the sliding groove 30. The sliding body 31 and the flip body 32 form a plate-like structure adapted to the sliding groove 30. The flip body 32 can slide into the sliding groove 30 along with the sliding body 31, and the side wall of the flip body 32 is rotatably connected to the handle.

[0026] As a supplement to the above scheme, by pulling the flip body 32, the flip body 32 drives the sliding body 31 to slide in the sliding groove 30. When the flip body 32 is completely disengaged from the sliding groove 30, the flip body 32 is flipped to a horizontal position, and the handle on the side wall of the flip body 32 is held to push the pushing screw 23 to rotate in a circle. By using the flipped flip body 32 as a force arm, the length of the force arm can be increased to achieve the purpose of saving effort. It is more labor-saving to rotate the pushing screw 23 to adjust the position of the retaining ring 21, and there is no need to use tools such as wrenches, which is easy to use in practice.

[0027] The working principle of the utility model is as follows: pull the flip body 32, and the flip body 32 drives the sliding body 31 to slide in the sliding groove 30. When the flip body 32 is completely separated from the sliding groove 30, flip the flip body 32 to a horizontal position, hold the handle on the side wall of the flip body 32 to push the flip body 32 to drive the driving screw 23 to rotate in a circle, and use the flipped flip body 32 as a force arm to increase the length of the force arm to achieve the purpose of saving effort. The moving screw 23 rotates to push the retaining ring 21 to slide radially along the limit rod 22 to adjust the position of the retaining ring 21. The vertical sliding of the retaining ring 21 closes the gap formed by the retaining edge 20 and the retaining ring 21, and then the workpiece located in the gap is pressed and fixed, realizing the preparation work before spinning.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A spinning machine for processing fan impellers, comprising a frame (10), a rotating seat (11) for fixing a workpiece being rotatably connected inside the frame (10), two extrusion heads being arranged above the rotating seat (11), two trusses extending in left and right directions being arranged on the inner wall surface of the frame (10) for respectively driving the two extrusion heads to move, the two extrusion heads jointly extruding the workpiece on the rotating seat (11) to realize spinning; characterized in that: An annular retaining edge (20) and an annular retaining ring (21) are provided on the upper surface of the rotating seat (11); the retaining edge (20) is fixedly connected to the rotating seat (11); the retaining ring (21) is sleeved on the outer periphery of the retaining edge (20) and is movably connected to the rotating seat (11); a clamping gap for clamping a workpiece is formed between the retaining edge (20) and the retaining ring (21); and a squeezing and pushing structure for pushing the retaining ring (21) to move is provided on the wall surface of the retaining ring (21).

2. The spinning machine for processing a fan impeller according to claim 1, characterized in that: The rotating seat (11) is a circular plate, the retaining edge (20) and the retaining ring (21) are both concentric with the rotating seat (11), and the outer wall of the retaining edge (20) and the inner wall of the retaining ring (21) are chamfered to form a tapered circumferential surface.

3. The spinning machine for processing a fan impeller according to claim 1, characterized in that: The squeezing and pushing structure comprises a limiting rod (22) and a pushing screw (23); the retaining ring (21) is slidably connected to the rotating seat (11) via the limiting rod (22); the pushing screw (23) is rotationally connected to the rotating seat (11) and is threadedly connected to the retaining ring (21); the pushing screw (23) can push the retaining ring (21) to slide radially along the limiting rod (22).

4. The spinning machine for processing a fan impeller according to claim 3, characterized in that: The outer circumferential surface of the retaining ring (21) is provided with an integrally formed annular edge, the annular edge is provided with a through hole adapted to fit the limiting rod (22), the limiting rod (22) passes through the through hole and is fixedly connected to the top surface of the rotating seat (11).

5. The spinning machine for processing a fan impeller according to claim 3, characterized in that: A threaded hole is also formed at the top of the annular edge of the retaining ring (21), the pushing screw (23) is connected to the threaded hole, the bottom end of the pushing screw (23) is rotatably connected to the top of the rotating seat (11), and the pushing screw (23) and the limiting rod (22) are symmetrically distributed.

6. The spinning machine for processing a fan impeller according to claim 3, characterized in that: The squeezing and pushing structure further comprises a sliding groove (30), a sliding body (31) and a flipping body (32); the sliding groove (30) is provided at the top end of the pushing screw (23); the flipping body (32) is rotatably connected to the sliding body (31); and the sliding body (31) slides in the sliding groove (30).

7. The spinning machine for processing a fan impeller according to claim 6, characterized in that: The sliding body (31) and the flipping body (32) form a plate-like structure adapted to the sliding groove (30); the flipping body (32) can slide into the sliding groove (30) along with the sliding body (31); and the side wall surface of the flipping body (32) is rotated to connect the handle.

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