Front mold core adjustment mechanism of a crossflow fan blade

Abstract

A front mold core adjustment mechanism for a crossflow fan blade includes a front mold core, a front mold base and a mold base plate, wherein the front mold base is arranged on the mold base plate, the front mold core is arranged between the front mold base and the mold base plate, and is provided with a mold cavity which matches with the welding recess of the semi-finished fan blade; an adjusting member is arranged on the front mold base or the mold base plate, and the adjusting member is positioned and rotated on the front mold base or the mold base plate, and is drivingly connected to the front mold core when positioned and rotated, and the front mold core is driven and rotated between the front mold base and the mold base plate by the adjusting member. Through the improvement of the above structure, the present invention enables the mold cavity on the front mold core to adjust the angle at any time according to the deformation and welding requirements of the crossflow fan blade, so that the produced welding recess can achieve high-precision matching with the welding protrusion, so as to improve the welding accuracy of the crossflow fan blade, thereby reducing production costs, improving production efficiency and qualified rate.

Description

Technical Field

[0001] The invention relates to a front mold core adjustment mechanism for a crossflow fan blade. Background Art

[0002] The finished structure of the crossflow fan blades on the market is as follows: Fig.14 As shown, it consists of several Fig.15 , Fig.16 The semi-finished fan blade is formed by overlapping the welding protrusion 100 and the welding concave 200 at the end and then ultrasonically welding. However, during the production process, due to factors such as deformation and welding positioning, the welding protrusion 100 at the end of the semi-finished fan blade is rotated and cannot be matched with the welding concave 200 at the end of another semi-finished fan blade, which affects the welding accuracy of the welding part 300 of the finished crossflow fan blade, resulting in a low production pass rate of the finished crossflow fan blade and reduced production efficiency. Therefore, further improvements are necessary. Summary of the invention

[0003] The purpose of the present invention is to provide a front mold core adjustment mechanism for a crossflow fan blade to overcome the deficiencies in the prior art.

[0004] In order to achieve the above object, the measures taken by the present invention are as follows:

[0005] A front mold core adjustment mechanism for a crossflow fan blade comprises a front mold core, a front mold base and a mold base plate, and is characterized in that: the front mold base is arranged on the mold base plate, the front mold core is arranged between the front mold base and the mold base plate, and is provided with a mold cavity which matches the welding recess of the fan blade semi-finished product; the front mold base or the mold base plate is provided with an adjusting part, the adjusting part is positioned and rotated on the front mold base or the mold base plate, and is drivingly connected to the front mold core when positioned and rotated, and the front mold core is driven to rotate between the front mold base and the mold base plate by the adjusting part.

[0006] The adjusting member is provided with an adjusting action part; the adjusting action part is acted on by a tool or manually, and the adjusting member is driven to be positioned and rotated on the front mold base or the mold base plate.

[0007] The adjusting member is an adjusting screw, or an adjusting gear, or an adjusting eccentric member, and an adjusting action part is arranged at its end; the adjusting action part is acted on by a tool or manually, and drives the adjusting screw, or the adjusting gear, or the adjusting eccentric member to be positioned and rotated on the front mold base or the mold base plate.

[0008] The adjusting member is an adjusting screw, and an adjusting action part is provided at one end thereof, and a threaded part is provided in the middle part; a guide member and a transmission member are provided on the mold base plate, wherein the guide member is fixedly provided on the mold base plate, and a slide groove part is provided on it, the transmission member is provided on the slide groove part, and a threaded matching part is provided on it, and the transmission member is meshed with the threaded part through the threaded matching part, and a driving member is also provided on the transmission member, and the driving connection with the front mold core is connected through the driving member.

[0009] The action part is adjusted by tools or manual action, and the adjusting screw is driven to be positioned and rotated on the die base plate. When the adjusting screw is positioned and rotated, the engagement of the threaded part and the threaded matching part drives the transmission part to slide linearly on the slide groove part. When the transmission part slides linearly, the front mold core is driven to rotate between the front mold base and the die base plate through the driving part.

[0010] One end of the driving member is rotationally driven connected to the transmission member, and the other end is rotationally driven connected to the front mold core.

[0011] Alternatively, one end of the driving member is rotationally driven connected to the transmission member, and the other end is synchronously driven connected to the front mold core.

[0012] Alternatively, one end of the driving member is synchronously drivingly connected to the transmission member, and the other end is rotationally drivingly connected to the front mold core.

[0013] The adjusting member is an adjusting gear, and an adjusting action portion is arranged at one end thereof, and a tooth portion is arranged at the periphery; a tooth matching portion is arranged at the side of the front mold core, and transmission is achieved through meshing of the tooth matching portion with the tooth portion.

[0014] The action part is adjusted by tools or manual action, and the adjusting gear is driven to rotate on the front mold base. When the adjusting gear rotates in the position, the front mold core is driven to rotate between the front mold base and the mold base plate through the meshing of the tooth part and the tooth matching part.

[0015] The mold base plate or the front mold base is also provided with a positioning piece, and the adjusting screw or adjusting gear is positioned and rotated on the mold base plate or the front mold base through the positioning piece; the positioning piece is also provided with a through hole for tools or manual passage; the adjusting action part is located on the through hole.

[0016] The front mold base is pressed onto the front mold core and is provided with an opening; the upper surface of the front mold core extends out of the opening, and a mold cavity that matches the welding recess of the semi-finished fan blade is provided at the extended position; a rotation angle scale plate is also provided on the front mold base; and a prompt scale is also provided on the front mold core corresponding to the rotation angle scale plate.

[0017] The front mold base is also provided with a pressing plate, which is pressed on the front mold core.

[0018] A water sealing pressure plate is arranged at the bottom of the front mold core; a sealing ring is arranged on the mold base plate; the water sealing pressure plate is pressed on the sealing ring; the front mold core is sealed and connected to the mold base plate through the cooperation of the water sealing pressure plate and the sealing ring.

[0019] The present invention improves upon the above-mentioned structure by positioning and rotating an adjusting part on the front mold base or the mold base plate, and utilizes the positioning and rotation of the adjusting part to drive the front mold core to rotate between the front mold base and the mold base plate, so that the mold cavity on the front mold core can adjust the angle at any time according to the deformation of the cross-flow fan blade and the welding requirements, so that the produced welding concave part can achieve high-precision matching with the welding convex part, so as to improve the welding accuracy of the cross-flow fan blade, thereby reducing production costs and improving production efficiency and qualified rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 , Figure 2 FIG. 1 is a schematic diagram of the exploded structure of the first embodiment of the present invention.

[0021] Figure 3 , Figure 4 It is a schematic diagram of the assembly structure of the first embodiment of the present invention.

[0022] Figure 5 It is a schematic diagram of the assembly cross-sectional structure of the first embodiment of the present invention.

[0023] Figure 6 It is a partial enlarged structural schematic diagram of the front mold core and the rotation angle scale plate of the first embodiment of the present invention.

[0024] Figure 7 This is a schematic diagram of the assembly structure of the first embodiment of the present invention after omitting the front mold base and the mold base plate.

[0025] Figure 8 This is a schematic diagram of the assembly cross-sectional structure of the first embodiment of the present invention after omitting the front mold base and the mold base plate.

[0026] Fig. 9 , Fig.10 FIG. 2 is a schematic diagram of the exploded structure of the second embodiment of the present invention.

[0027] Fig.11 , Fig.12 It is a schematic diagram of the assembly structure of the second embodiment of the present invention.

[0028] Fig.13 This is a schematic diagram of the assembly structure after omitting the front mold base and the mold base plate of the second embodiment of the present invention.

[0029] Fig.14 This is a schematic diagram of the finished structure of the crossflow fan blade.

[0030] Fig.15 , Fig.16This is a schematic diagram of the semi-finished structure of the fan blade. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0032] First embodiment:

[0033] See also Figure 1-Figure 8 The front mold core adjustment mechanism of the crossflow fan blade includes a front mold core 7, a front mold base 13 and a mold base plate 14, and is characterized in that: the front mold base 13 is arranged on the mold base plate 14, the front mold core 7 is arranged between the front mold base 13 and the mold base plate 14, and a mold cavity 20 that matches the welding recess 200 of the fan blade semi-finished product is arranged thereon; an adjusting member is arranged on the front mold base 13 or the mold base plate 14, and the adjusting member is positioned and rotated on the front mold base 13 or the mold base plate 14, and is drivingly connected to the front mold core 7 when positioned and rotated, and the front mold core 7 is driven to rotate between the front mold base 13 and the mold base plate 14 by the adjusting member.

[0034] An adjusting part is positioned and rotated on the front mold base 13 or the mold base plate 14, and the positioning and rotation of the adjusting part is used to drive the front mold core 7 to rotate between the front mold base 13 and the mold base plate 14, so that the mold cavity 20 on the front mold core 7 can adjust the angle at any time according to the deformation and welding requirements of the cross-flow fan blade, so that the produced welding recess 200 can achieve high-precision matching with the welding protrusion 100, so as to improve the welding accuracy of the cross-flow fan blade, thereby reducing production costs and improving production efficiency and qualified rate.

[0035] Specifically, an adjusting portion 21 is provided on the adjusting member; the adjusting portion 21 is acted on by a tool or manually, and the adjusting member is driven to be positioned and rotated on the front mold base 13 or the mold base plate 14 .

[0036] The adjusting part of the present structure can be an adjusting screw 1, or an adjusting gear 29, or an adjusting eccentric part, and an adjusting action part 21 is provided at its end; the adjusting action part 21 is acted on by a tool or manually, and the adjusting screw 1, or the adjusting gear 29, or the adjusting eccentric part is driven to be positioned and rotated on the front mold base 13 or the mold base plate 14.

[0037] The adjusting member of this embodiment is an adjusting screw 1, and an adjusting action portion 21 is provided at one end thereof, and a threaded portion 22 is provided in the middle portion; a guide member 4 and a transmission member 3 are provided on the mold base plate 14, wherein the guide member 4 is fixedly arranged on the mold base plate 14, and a slide groove portion 23 is provided thereon, and the transmission member 3 is arranged on the slide groove portion 23, and a threaded matching portion is provided thereon, and is meshed with the threaded portion 22 for transmission, and a driving member 5 is also provided on the transmission member 3, and is drivingly connected to the front mold core 7 through the driving member 5.

[0038] The action part 21 is adjusted by tools or manual action, and the adjusting screw 1 is driven to rotate on the mold base plate 14. When the adjusting screw 1 rotates in the position, the engagement of the threaded part 22 and the threaded matching part drives the transmission part 3 to slide linearly on the slide groove part 23. When the transmission part 3 slides linearly, the front mold core 7 is driven by the driving part 5 to rotate between the front mold base 13 and the mold base plate 14.

[0039] Specifically, the adjusting portion 21 of the adjusting screw 1 is designed as an inner hexagonal socket, which is used to cooperate with the inner hexagonal socket tool to perform positioning rotation, thereby achieving the effect of adjusting the front mold core 7.

[0040] In order to make the transmission among the driving member 5 , the transmission member 3 and the front mold core 7 more reasonable, one end of the driving member 5 is rotationally driven connected to the transmission member 3 , and the other end is rotationally driven connected to the front mold core 7 .

[0041] Alternatively, one end of the driving member 5 is rotationally driven connected to the transmission member 3 , and the other end is synchronously driven connected to the front mold core 7 .

[0042] Alternatively, one end of the driving member 5 is synchronously drivingly connected to the transmission member 3 , and the other end is rotationally drivingly connected to the front mold core 7 .

[0043] In this embodiment, one end of the driving member 5 is preferably cylindrical and is rotationally driven and connected to the transmission member 3 through the cylindrical end, and the other end of the driving member 5 is square and is synchronously driven and connected to the front mold core 7 through the square end.

[0044] In order to make the positioning of the adjusting screw 1 more accurate, a positioning piece 2 is also provided on the die base plate 14, and the adjusting screw 1 is positioned and rotated on the die base plate 14 through the positioning piece 2; the positioning piece 2 is also provided with a through hole 26 for tools or manual passage; the adjusting action part 21 is located on the through hole 26.

[0045] In order to make the assembly between the front mold base 13, the front mold core 7 and the mold base plate 14 more reasonable, the front mold base 13 is pressed onto the front mold core 7 and is provided with an opening 27; the upper surface of the front mold core 7 extends out of the opening 27, and a mold cavity 20 that matches the welding recess 200 of the semi-finished wind blade is provided at the extended position.

[0046] Furthermore, a pressing plate 8 is also provided on the front mold base 13 , and the pressing plate 8 is pressed on the front mold core 7 .

[0047] In order to improve the rotation accuracy of the front mold core 7, a rotation angle scale plate 9 is also provided on the front mold base 13; the front mold core 7 is also provided with a prompt scale 28 corresponding to the rotation angle scale plate 9. When the front mold core 7 rotates, the rotation angle can be predicted through the cooperation between the prompt scale 28 and the rotation angle scale plate 9.

[0048] The measuring accuracy of the scale angle of the above-mentioned rotating angle scale plate 9 is 2 minutes, and the maximum measuring amount of the front mold core 7 is 6 degrees. The measuring principle is the same as that of the standard angle ruler.

[0049] By utilizing the positioning rotation of the adjusting screw 1, the transmission member 3 is driven to slide linearly on the guide member 4, and finally the front mold core 7 is driven to rotate, thereby realizing the integrated function of high-precision angle adjustment measurement reading of the front mold core 7 to meet the mold rotation adjustment requirements.

[0050] A water sealing pressure plate 15 is provided at the bottom of the front mold core 7; a sealing ring 16 is provided on the mold base plate 14; the water sealing pressure plate 15 is pressed on the sealing ring 16; the front mold core 7 is sealed and connected to the mold base plate 14 through the cooperation of the water sealing pressure plate 15 and the sealing ring 16, so that the front mold core 7 can also form an effective seal with the mold base plate 14 when rotating and adjusting.

[0051] Second embodiment:

[0052] See also Figure 9-12 The front mold core adjustment mechanism of the crossflow fan blade is different from the first embodiment in that: the adjusting member is an adjusting gear 29, and an adjusting action portion 21 is provided at one end thereof, and a tooth portion 24 is provided on the periphery; the side of the front mold core 7 is provided with a tooth matching portion 25, and the tooth matching portion 25 is meshed with the tooth portion 24 for transmission.

[0053] The action part 21 is adjusted by tools or manual action, and the adjusting gear 29 is driven to rotate on the front mold base 13. When the adjusting gear 29 rotates in the positioning state, the front mold core 7 is driven to rotate between the front mold base 13 and the mold base plate 14 through the engagement of the tooth part 24 and the tooth matching part 25.

[0054] Specifically, the adjusting portion 21 of the adjusting gear 29 is designed as a hexagonal socket, which is used to cooperate with a hexagonal socket tool to perform positioning rotation, thereby achieving the effect of adjusting the front mold core 7.

[0055] A positioning member 2 is also provided on the front mold base 13 , and the adjusting gear 29 is positioned and rotated on the front mold base 13 through the positioning member 2 ; the positioning member 2 is also provided with a through hole 26 for tools or manual passage; the adjusting action part 21 is located on the through hole 26 .

[0056] Other parts not described are the same as those in the first embodiment.

[0057] The accompanying drawings are only for illustrative purposes and are schematic diagrams rather than actual drawings, and should not be construed as limitations on this patent. In order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0058] Moreover, the same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "lateral", "longitudinal", "top", "bottom", "inside", "outside" and the like indicating orientations or positional relationships, they are all based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent.

Claims

1. A front mold core adjustment mechanism for a crossflow fan blade, comprising a front mold core (7), a front mold base (13) and a mold base plate (14), characterized in that: The front mold base (13) is arranged on the mold base plate (14), and the front mold core (7) is arranged between the front mold base (13) and the mold base plate (14), and is provided with a mold cavity (20) which matches with the welding recess (200) of the semi-finished fan blade; an adjusting member is provided on the front mold base (13) or the mold base plate (14), and the adjusting member is positioned and rotated on the front mold base (13) or the mold base plate (14), and is drivingly connected to the front mold core (7) during the positioning and rotation; the front mold core (7) is driven and rotated between the front mold base (13) and the mold base plate (14), so that the mold cavity (20) on the front mold core (7) can adjust its angle at any time according to the deformation and welding requirements of the crossflow fan blade, so that the produced welding recess (200) can achieve high-precision matching with the welding protrusion (100), thereby improving the welding accuracy of the crossflow fan blade; A pressing plate (8) is also provided on the front mold base (13), and the pressing plate (8) is pressed on the front mold core (7); A water sealing pressure plate (15) is arranged at the bottom of the front mold core (7); a sealing ring (16) is arranged on the mold base plate (14); the water sealing pressure plate (15) is pressed on the sealing ring (16); and the front mold core (7) is sealed and connected to the mold base plate (14) through the cooperation of the water sealing pressure plate (15) and the sealing ring (16).

2. The front mold core adjustment mechanism of the crossflow fan blade according to claim 1, characterized in that: The adjusting member is provided with an adjusting action part (21); the adjusting action part (21) is acted on by a tool or manually, and the adjusting member is driven to be positioned and rotated on the front mold base (13) or the mold base plate (14).

3. The front mold core adjustment mechanism of the crossflow fan blade according to claim 2, characterized in that: The adjusting member is an adjusting screw (1), or an adjusting gear (29), or an adjusting eccentric member, and an adjusting action portion (21) is provided at its end; the adjusting action portion (21) is acted on by a tool or manually, and drives the adjusting screw (1), or the adjusting gear (29), or the adjusting eccentric member to be positioned and rotated on the front mold base (13) or the mold base plate (14).

4. The front mold core adjustment mechanism of the crossflow fan blade according to claim 3, characterized in that: The adjusting member is an adjusting screw (1), and one end of the adjusting screw is provided with an adjusting action portion (21), and the middle portion is provided with a threaded portion (22); the die base plate (14) is provided with a guide member (4) and a transmission member (3), wherein the guide member (4) is fixedly arranged on the die base plate (14) and is provided with a slide groove portion (23); the transmission member (3) is arranged on the slide groove portion (23) and is provided with a threaded matching portion, and is meshed with the threaded portion (22) for transmission; the transmission member (3) is also provided with a driving member (5), and is connected to the front die core (7) through the driving member (5); The action portion (21) is adjusted by a tool or manual action, and the adjusting screw (1) is driven to be positioned and rotated on the die base plate (14). When the adjusting screw (1) is positioned and rotated, the engagement between the threaded portion (22) and the threaded mating portion drives the transmission member (3) to slide linearly on the slide groove portion (23). When the transmission member (3) slides linearly, the front mold core (7) is driven to rotate between the front mold base (13) and the die base plate (14) through the driving member (5).

5. The front mold core adjustment mechanism of the crossflow fan blade according to claim 4, characterized in that: One end of the driving member (5) is connected to the transmission member (3) in a rotational driving manner, and the other end is connected to the front mold core (7) in a rotational driving manner; Alternatively, one end of the driving member (5) is connected to the transmission member (3) in a rotational driving manner, and the other end is connected to the front mold core (7) in a synchronous driving manner; Alternatively, one end of the driving member (5) is synchronously drivingly connected to the transmission member (3), and the other end is rotationally drivingly connected to the front mold core (7).

6. The front mold core adjustment mechanism of the crossflow fan blade according to claim 3, characterized in that: The adjusting member is an adjusting gear (29), and an adjusting action portion (21) is provided at one end thereof, and a tooth portion (24) is provided at the periphery thereof; a tooth matching portion (25) is provided at the side of the front mold core (7), and transmission is achieved through meshing of the tooth matching portion (25) and the tooth portion (24); The action portion (21) is adjusted by a tool or manual action, and the adjustment gear (29) is driven to be positioned and rotated on the front mold base (13). When the adjustment gear (29) is positioned and rotated, the front mold core (7) is driven to rotate between the front mold base (13) and the mold base plate (14) through the meshing of the tooth portion (24) and the tooth matching portion (25).

7. The front mold core adjustment mechanism of the crossflow fan blade according to claim 4 or 6, characterized in that: The die base plate (14) or the front die base (13) is also provided with a positioning member (2), and the adjusting screw (1) or the adjusting gear (29) is positioned and rotated on the die base plate (14) or the front die base (13) through the positioning member (2); the positioning member (2) is also provided with a through hole (26) for a tool or manual operation to pass through; the adjusting action portion (21) is located on the through hole (26).

8. The front mold core adjustment mechanism of the crossflow fan blade according to claim 5 or 6, characterized in that: The front mold base (13) is pressed onto the front mold core (7) and is provided with an opening (27); the upper surface of the front mold core (7) extends out of the opening (27), and a mold cavity (20) that matches the welding recess (200) of the fan blade semi-finished product is provided at the position where the front mold core (7) extends; a rotation angle scale plate (9) is also provided on the front mold base (13); and a prompt scale (28) is also provided on the front mold core (7) corresponding to the rotation angle scale plate (9).

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