Riveting and forming integrated equipment for fan impeller

Abstract

The riveting and forming integrated equipment comprises a machine frame, a protective cover is arranged on the machine frame, a protective cover is arranged in the middle of the machine frame, a deck plate is arranged in the machine frame, a lower pressing head mechanism is arranged on the deck plate, a pressure cylinder connecting plate is arranged on the top of the machine frame, and a pressure cylinder is arranged on the pressure cylinder connecting plate. A pneumatic-hydraulic pressure cylinder is arranged on the pressure cylinder connecting plate, an upper pressing plate is arranged at the bottom of the pneumatic-hydraulic pressure cylinder, an upper pressing head mechanism is arranged on the upper pressing plate, a tool rotating mechanism is arranged on the upper side of a lower pressing head mechanism and comprises a rotating disc, the rotating disc is arranged on a rotating shaft, the rotating shaft is connected with a rotating air cylinder, and the rotating air cylinder is connected with the rotating disc. The rotary air cylinder is arranged in the rack, a connecting sleeve is arranged at the end of the rotating shaft, the connecting sleeve is connected with the rotating disc, and the connecting sleeve is further provided with a gland. The impeller riveting device has the advantages of being high in working efficiency, low in rejection rate, small in impeller riveting deformation and high in productivity, the production cost is reduced, and personal injuries to workers are eradicated.

Description

Technical Field

[0001] The utility model belongs to the technical field of fan manufacturing, and particularly relates to an integrated equipment for riveting and forming a fan impeller. Background Technique

[0002] As a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas, the fan has a very wide range of application fields, almost covering multiple fields such as industry, construction, agriculture, transportation, and household life. With the progress of technology, the demand for fans is also increasing, while the existing productivity of fan impellers can no longer meet the requirements;

[0003] The riveting of the existing fan impellers is all completed by manual hammering. First, the worker assembles the blades, flanges, and air guide rings of the impeller through a special tooling, and presses the flanges and air guide rings against the blades through a pre-pressing head. Then, 42 tenons at both ends of the blades are first bent and then punched and riveted with a punch to reliably connect the various components of the wind wheel.

[0004] Since the riveting of the existing fan impellers is completely completed by manual hammering, the production efficiency of the fan impellers is extremely low, the quality of the impellers cannot be guaranteed, the rejection rate is high, and a large amount of labor is required to increase production capacity, increasing the labor cost; and not only will noise be generated during hammering, but it will also cause personal injuries to the workers. Content of the Utility Model

[0005] The purpose of the utility model is to provide an integrated equipment for riveting and forming a fan impeller to solve the problems in the above background technique that the riveting of the existing fan impellers is completely completed by manual hammering, resulting in extremely low production efficiency of the fan impellers, unable to guarantee the quality of the impellers, high rejection rate, increased labor cost; and not only will noise be generated during hammering, but it will also cause personal injuries to the workers.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an integrated equipment for riveting and forming a fan impeller, including a frame, a protective cover is arranged on the frame, a protective cover is arranged in the middle of the frame, a table board is arranged inside the frame, a lower pressing head mechanism is arranged on the table board, a booster cylinder connecting plate is arranged on the top of the frame, a gas-liquid booster cylinder is arranged on the booster cylinder connecting plate, an upper pressing plate is arranged at the bottom of the gas-liquid booster cylinder, an upper pressing head mechanism is arranged on the upper pressing plate, and a tooling rotation mechanism is arranged above the lower pressing head mechanism;

[0007] The tooling rotation mechanism includes a rotating disk, the rotating disk is arranged on a rotating shaft, the rotating shaft is connected with a swing cylinder, the swing cylinder is arranged inside the frame, a connecting sleeve is arranged at the end of the rotating shaft, the connecting sleeve is connected with the rotating disk, and a gland is also arranged on the connecting sleeve.

[0008] Preferably, a positioning sleeve is arranged on the outer side of the rotating disk, and a first positioning pin is arranged on the inner side of the rotating disk.

[0009] Preferably, a rotating connecting plate is further arranged on the rotating shaft.

[0010] Preferably, the lower pressing head mechanism includes a lower pressing head mounting plate, on which a plurality of groups of riveting lower dies I are arranged, the lower pressing head mounting plate is further provided with a plurality of groups of bending lower dies I, and in the middle of the lower pressing head mounting plate, riveting lower dies II and bending lower dies II which are arranged in an annular and staggered manner are further provided.

[0011] Preferably, a lower pre-pressing head is arranged between each of the riveting lower die I and the bending lower die I. The lower pre-pressing head is arranged on a lower pre-pressing rod, a lower die spring is sleeved on the lower pre-pressing rod, and the lower pre-pressing rod is movably arranged on the lower pressing head mounting plate.

[0012] Preferably, a second positioning pin is arranged on the lower pressing head mounting plate.

[0013] Preferably, supports are further arranged on both sides of the lower pressing head mounting plate, guide columns are arranged on the supports, and guide sleeves are arranged on the guide columns.

[0014] Preferably, the upper pressing head mechanism includes an upper pressing head mounting plate which is arranged on a gas-liquid boosting cylinder. On the upper pressing head mounting plate, a plurality of groups of riveting upper dies I, riveting upper dies II and riveting upper dies III which are arranged in an annular and staggered manner are arranged, and a plurality of groups of bending upper dies I, bending upper dies II and bending upper dies III which are arranged in an annular and staggered manner are further arranged on the upper pressing head mounting plate.

[0015] Preferably, an upper pre-pressing rod is movably arranged on the upper pressing head mounting plate, an upper pre-pressing head is arranged on the upper pre-pressing rod, and an upper die spring is sleeved on the upper pre-pressing rod.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] The present utility model adopts an automatic riveting and forming integrated technical structure. A set of rotating mechanism and two sets of bending and riveting dies for upper and lower parts are arranged on the riveting equipment, and an upper and lower blade pre-pressing mechanism is further arranged on the tooling, so that the forming and riveting of the fan impeller can be completed at one time. Therefore, the present invention has the advantages of high working efficiency, low rejection rate, small deformation of impeller riveting, high production capacity, reduced production cost and elimination of personal injury to workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a schematic structural diagram of the lower pressing head mechanism of the present utility model;

[0020] Figure 3 This is a schematic structural diagram of the tooling rotation mechanism in the present utility model;

[0021] Figure 4 This is a schematic structural diagram of the upper punch mechanism in the present utility model;

[0022] In the figure: 1, frame; 2, two - hand start button; 3, table board; 4, lower punch mechanism; 5, tooling rotation mechanism; 6, safety light curtain; 7, adjustable limit block; 8, hanging operation box; 9, upper punch mechanism; 10, upper pressure plate; 11, pressure sensor; 12, booster cylinder connecting plate; 13, guiding mechanism; 14, gas - liquid booster cylinder; 15, alarm lamp; 16, protective cover; 17, electrical box; 51, rotating disk; 52, rotating shaft; 53, rotating connecting plate; 54, swing cylinder; 55, positioning sleeve; 56, first positioning pin; 57, connecting sleeve; 58, gland; 401, lower punch mounting plate; 402, support; 403, guide post; 404, guide sleeve; 405, riveting lower die 1; 406, second positioning pin; 407, bending lower die 1; 408, riveting lower die 2; 409, lower pre - pressing rod; 410, lower die spring; 411, lower pre - punch; 412, bending lower die 2; 901, upper punch mounting plate; 902, riveting upper die 1; 903, riveting upper die 2; 904, riveting upper die 3; 905, bending upper die 1; 906, bending upper die 2; 907, bending upper die 3; 908, upper pre - punch; 909, upper die spring; 910, upper pre - pressing rod. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0024] Please refer to Figures 1-4, the present utility model provides a technical solution: a riveting and forming integrated device for a fan impeller, including a frame 1, a protective cover 16 is arranged on the frame 1, the protective cover 16 is arranged in the middle of the frame 1, a table board 3 is arranged inside the frame 1, a lower pressing head mechanism 4 is arranged on the table board 3, a booster cylinder connecting plate 12 is arranged on the top of the frame 1, a gas-liquid booster cylinder 14 is arranged on the booster cylinder connecting plate 12, an upper pressing plate 10 is arranged at the bottom of the gas-liquid booster cylinder 14, and an upper pressing head mechanism 9 is arranged on the upper pressing plate 10. Specifically, a pressure sensor 11 is also arranged on the upper pressing plate 10, and through the pressure sensor 11, the pressure of the upper pressing plate 10 can be controlled. An industrial fixture rotating mechanism 5 is arranged on the upper side of the lower pressing head mechanism 4, and the upper pressing plate 10 is also connected to the booster cylinder connecting plate 12 through a guiding mechanism 13, which can accurately guide the movement of the upper pressing plate 10. Specifically, the guiding structure is a guide sleeve 404 and guide post 403 mechanism;

[0025] The industrial fixture rotating mechanism 5 includes a rotating disk 51, the rotating disk 51 is arranged on a rotating shaft 52, the rotating shaft 52 is connected to a swing cylinder 54, the swing cylinder 54 is arranged inside the frame 1, a connecting sleeve 57 is arranged at the end of the rotating shaft 52, the connecting sleeve 57 is connected to the rotating disk 51, and a gland 58 is also arranged on the connecting sleeve 57.

[0026] An alarm lamp 15 is also arranged on the protective cover 16, which can prompt the operating state of the device.

[0027] Specifically, a two-hand start button 2 is also arranged on the front side of the table board 3, and the two-hand start button 2 can control the operation of the gas-liquid booster cylinder 14 and the swing cylinder 54.

[0028] Specifically, a safety light curtain 6 is arranged at the opening position of the protective cover 16, which can detect human body parts and improve the safety of the device during use.

[0029] Specifically, an adjustable limit block 7 is also arranged at the corner of the lower pressing head mounting plate 401, which can limit the position of the upper pressing head mounting plate 901.

[0030] Specifically, a hanging operation box 8 and an electrical box 17 are also arranged on the frame 1. The electrical box 17 provides operating electric energy for the device, and the hanging operation box 8 can control the device.

[0031] Further, a positioning sleeve 55 is arranged outside the rotating disk 51, and a first positioning pin 56 is arranged inside the rotating disk 51.

[0032] Further, a rotating connecting plate 53 is also arranged on the rotating shaft 52.

[0033] As a specific embodiment of the present application, please refer to Figure 2, the lower punch mechanism 4 includes a lower punch mounting plate 401. A plurality of groups of first riveting lower dies 405 are arranged on the lower punch mounting plate 401. The lower punch mounting plate 401 is also provided with a plurality of groups of first bending lower dies 407. In the middle of the lower punch mounting plate 401, a second riveting lower die 408 and a second bending lower die 412 which are arranged in a circular and staggered manner are further provided.

[0034] Furthermore, a lower pre-punch 411 is arranged between each of the first riveting lower dies 405 and the first bending lower dies 407. The lower pre-punch 411 is arranged on a lower pre-punch rod 409. A lower die spring 410 is sleeved on the lower pre-punch rod 409, and the lower pre-punch rod 409 is movably arranged on the lower punch mounting plate 401.

[0035] Furthermore, a second positioning pin 406 is arranged on the lower punch mounting plate 401.

[0036] Furthermore, supports 402 are arranged on both sides of the lower punch mounting plate 401. Guide posts 403 are arranged on the supports 402. Guide sleeves 404 are arranged on the guide posts 403. The guide sleeves 404 are arranged on the upper punch mounting plate 901. During the downward pressing process of the upper punch mounting plate 901, the guide posts 403 move in the guide sleeves 404 to guide the movement of the upper punch mounting plate 901.

[0037] As a specific embodiment of the present application, please refer to Figure 4 , the upper punch mechanism 9 includes an upper punch mounting plate 901. The upper punch mounting plate 901 is arranged on the air-liquid booster cylinder 14. A plurality of groups of first riveting upper dies 902, second riveting upper dies 903 and third riveting upper dies 904 which are arranged in a circular and staggered manner are arranged on the upper punch mounting plate 901. The upper punch mounting plate 901 is also provided with a plurality of groups of first bending upper dies 905, second bending upper dies 906 and third bending upper dies 907 which are arranged in a circular and staggered manner.

[0038] Furthermore, an upper pre-punch rod 910 is movably arranged on the upper punch mounting plate 901. An upper pre-punch 908 is arranged on the upper pre-punch rod 910. The upper pre-punch rod 910 is also sleeved with an upper die spring 909.

[0039] Working principle and usage process of the present utility model: First, place the fan impeller on the rotating disk 51, and position the fan impeller through the first positioning pin 56 on the rotating disk 51. Then, drive the upper pressing plate 10 to move downward through the gas-liquid intensifying cylinder 14. The upper pressing plate 10 drives the upper punch mounting plate 901 to move downward, and the upper punch mounting plate 901 simultaneously drives the first riveting upper die 902, the second riveting upper die 903, the third riveting upper die 904, the first bending upper die 905, the second bending upper die 906, and the third bending upper die 907 to move downward. When the first bending upper die 905, the second bending upper die 906, and the third bending upper die 907 are in contact with the fan impeller, as the first bending upper die 905, the second bending upper die 906, and the third bending upper die 907 move downward, in cooperation with the first bending lower die 407 and the first bending lower die 407, simultaneously bend the 42 tenons on the fan impeller. During the bending process, the upper pre-punch 908 and the lower pre-punch 411 simultaneously drive the upper pre-pressing rod 910 and the lower pre-pressing rod 409 to move. Through the elastic force of the upper die spring 909 and the lower die spring 410, the upper pre-punch 908 and the lower pre-punch 411 can be in contact with the fan impeller, maintaining the stability of the fan impeller during bending and reducing its deformation.

[0040] After the bending is completed, drive the rotating shaft 52 to rotate through the swing cylinder 54. The rotating shaft 52 drives the rotating disk 51 to rotate, and the rotating disk 51 drives the fan impeller to rotate, and rotates the riveting points on the fan impeller to the riveting position. Through the downward pressing of the first riveting upper die 902, the second riveting upper die 903, and the third riveting upper die 904, in cooperation with the first riveting lower die 405 and the first riveting lower die 405, perform one-time riveting of the 42 riveting points on the fan impeller. This not only improves the production efficiency and reduces the rejection rate, but also, because the riveting force is controllable, reduces the deformation of the impeller, reduces the labor cost, and eliminates the harm to workers.

[0041] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A riveting and forming integrated device for a fan impeller, characterized in that: The invention comprises a frame (1), a protective cover (16) is arranged on the frame (1), a protective cover (16) is arranged in the middle of the frame (1), a table panel (3) is arranged inside the frame (1), a lower pressure head mechanism (4) is arranged on the table panel (3), a booster cylinder connecting plate (12) is arranged on the top of the frame (1), a gas-liquid booster cylinder (14) is arranged on the booster cylinder connecting plate (12), an upper pressure plate (10) is arranged at the bottom of the gas-liquid booster cylinder (14), an upper pressure head mechanism (9) is arranged on the upper pressure plate (10), and a tooling rotating mechanism (5) is arranged on the upper side of the lower pressure head mechanism (4); The tooling rotating mechanism (5) comprises a rotating disk (51), wherein the rotating disk (51) is arranged on a rotating shaft (52), wherein the rotating shaft (52) is connected to a rotary cylinder (54), wherein the rotary cylinder (54) is arranged in a frame (1), and a connecting sleeve (57) is arranged at the end of the rotating shaft (52), wherein the connecting sleeve (57) is connected to the rotating disk (51), and the connecting sleeve (57) is also provided with a pressure cover (58).

2. The integrated riveting and forming equipment for a fan impeller according to claim 1, characterized in that: A guide sleeve (404) is arranged on the outer side of the rotating disk (51), and a first positioning pin (56) is arranged on the inner side of the rotating disk (51).

3. The integrated riveting and forming device for a fan impeller according to claim 1, characterized in that: A rotating connecting plate (53) is also provided on the rotating shaft (52).

4. The integrated riveting and forming equipment for a fan impeller according to claim 1, characterized in that: The lower pressure head mechanism (4) comprises a lower pressure head mounting plate (401), on which a plurality of groups of riveting lower dies (405) are arranged, and the lower pressure head mounting plate (401) is also provided with a plurality of groups of bending lower dies (407). The middle part of the lower pressure head mounting plate (401) is also provided with a riveting lower die (408) and a bending lower die (412) arranged in a ring-like staggered manner.

5. The integrated riveting and forming equipment for a fan impeller according to claim 4, characterized in that: A lower pre-pressing head (411) is arranged between the riveting lower die (405) and the bending lower die (407), and the lower pre-pressing head (411) is arranged on a lower pre-pressing rod (409). A lower die spring (410) is sleeved on the lower pre-pressing rod (409), and the lower pre-pressing rod (409) is movably arranged on the lower press head mounting plate (401).

6. The integrated riveting and forming equipment for a fan impeller according to claim 4, characterized in that: A second positioning pin (406) is provided on the lower pressure head mounting plate (401).

7. The integrated riveting and forming equipment for a fan impeller according to claim 4, characterized in that: Supports (402) are also arranged on both sides of the lower pressure head mounting plate (401), guide pillars (403) are arranged on the supports (402), and guide sleeves (404) are arranged on the guide pillars (403).

8. The integrated riveting and forming equipment for a fan impeller according to claim 1, characterized in that: The upper pressure head mechanism (9) comprises an upper pressure head mounting plate (901), the upper pressure head mounting plate (901) being arranged on the gas-liquid booster cylinder (14), the upper pressure head mounting plate (901) being provided with a plurality of groups of riveting upper dies (902), riveting upper dies (903) and riveting upper dies (904) arranged in an annular staggered manner, and the upper pressure head mounting plate (901) being provided with a plurality of groups of bending upper dies (905), bending upper dies (906) and bending upper dies (907) arranged in an annular staggered manner.

9. The integrated riveting and forming device for a fan impeller according to claim 8, characterized in that: The upper pressure head mounting plate (901) is also movably provided with an upper pre-pressing rod (910), an upper pre-pressing head (908) is provided on the upper pre-pressing rod (910), and the upper pre-pressing rod (910) is also sleeved with an upper mold spring (909).

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