CN214919410U - Centrifugal fan impeller blade forming die - Google Patents
Centrifugal fan impeller blade forming die Download PDFInfo
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- CN214919410U CN214919410U CN202022812188.3U CN202022812188U CN214919410U CN 214919410 U CN214919410 U CN 214919410U CN 202022812188 U CN202022812188 U CN 202022812188U CN 214919410 U CN214919410 U CN 214919410U
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Abstract
The utility model discloses a centrifugal fan impeller blade forming die, the on-line screen storage device comprises a base, the lower moulding-die of setting on the base and be located the lower moulding-die top and with the corresponding last moulding-die of lower moulding-die, be provided with the spill shaping chamber unanimous with the impeller curved surface on the lower moulding-die, go up be provided with on the moulding-die with the protruding type body of concave formation die cavity assorted, go up the moulding-die and be provided with perpendicular guide post between the lower moulding-die, and go up the moulding-die and slide from top to bottom along perpendicular guide post, the top surface of going up the moulding-die is provided with the fixed die handle of fixing on the hydraulic press. The forming die is reliable in structure and good in use performance, effectively improves the stamping stability of the blade steel plate, prolongs the service life of the lower pressing die and the upper pressing die, ensures the hydraulic forming quality of the impeller blade of the centrifugal fan, and greatly improves the working efficiency of manufacturing the impeller blade of the centrifugal fan.
Description
Technical Field
The utility model relates to an impeller shaping technical field, concretely relates to centrifugal fan impeller blade forming die.
Background
Generally, blades of an impeller of a centrifugal fan are mostly formed by cutting by a steel plate (or a titanium plate), manually knocking and forming according to the radian required by a drawing, and then slowly correcting a point by using a backup plate. For example, a 9-19 type fan and an impeller have 12 blades, and the manual forming mode is difficult to achieve complete forming consistency, influences are caused on the dynamic balance of the impeller in the later period, the balance correction workload is large, and the quality is difficult to guarantee. And the conventional universal impeller is manufactured in batches, and is often required to be repaired after being manually formed, so that the existing method for manufacturing the impeller blade of the centrifugal fan is labor-consuming, time-consuming and low in efficiency, the labor intensity of workers is very high, and the striking force applied to each region of the manually manufactured blade is not uniform, so that the stability of the blade is often restricted, the blade is easy to damage and easy to change in later use, and the use state of the centrifugal fan is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a centrifugal fan impeller blade forming die.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a centrifugal fan impeller blade forming die, the on-line screen storage device comprises a base, the lower moulding-die of setting on the base and be located the lower moulding-die top and with the corresponding last moulding-die of lower moulding-die, be provided with on the lower moulding-die with the unanimous spill shaping chamber of impeller curved surface, be provided with on the last moulding-die with the protruding type body of concave formation die cavity assorted, be provided with perpendicular guide post between last moulding-die and the lower moulding-die, and go up the moulding-die and slide from top to bottom along perpendicular guide post, the top surface of going up the moulding-die is provided with the fixed die handle of fixing on the hydraulic press.
The beneficial effects of adopting the above technical scheme are: the forming die is reliable in structure and good in use performance, the convex bodies of the upper pressing die and the lower pressing die are matched to form a forming space of the impeller, the stroke of the upper pressing die is downward, vibration and displacement of the lower pressing die and the upper pressing die are reduced, the upper pressing die and the lower pressing die can be accurately pressed, the stamping stability of the blade steel plate is effectively improved, the service lives of the lower pressing die and the upper pressing die are prolonged, the hydraulic forming quality of the impeller blade of the centrifugal fan is guaranteed, the existing backward method for manually manufacturing the impeller blade of the centrifugal fan is changed, and the working efficiency for manufacturing the impeller blade of the centrifugal fan is greatly improved.
Furthermore, an ejection hole is formed in the lower pressing die, an ejection push rod is arranged in the ejection hole, and a reset spring is arranged at the bottom end of the ejection push rod.
The beneficial effects of adopting the above technical scheme are: through the cooperation of reset spring and ejecting push rod, carry out ejecting operation to the blade after the shaping, convenient operation is swift, labour saving and time saving.
Furthermore, a positioning boss is arranged on the side edge of the concave forming cavity of the lower pressing die.
The beneficial effects of adopting the above technical scheme are: the positioning boss is used for limiting the punching forming sample plate, so that the sample plate placed in the concave forming cavity in the punching forming process is prevented from moving to influence the forming effect.
Furthermore, a guide sleeve matched with the vertical guide post is arranged on the upper pressing die or the lower pressing die, and the vertical guide post penetrates through the guide sleeve and is connected to the upper pressing die and the lower pressing die.
The beneficial effects of adopting the above technical scheme are: through the uide bushing setting, improve the stability ability that perpendicular guide post set up, vibration and displacement that produce when helping reducing the moulding-die downstroke.
Further, the vertical guide posts are respectively and symmetrically arranged between two sides of the upper pressing die and two sides of the lower pressing die.
The beneficial effects of adopting the above technical scheme are: through the symmetry setting of perpendicular guide post, form the direction bearing structure of two sets of guide posts of upper and lower mould both sides, guarantee structural strength, improve the stability of upper and lower mould working process.
Furthermore, a positioning groove is arranged on the base.
The beneficial effects of adopting the above technical scheme are: the die is conveniently fixed on the punching machine through the arrangement of the positioning groove matched with the positioning bolt, and the die is stable and reliable.
The utility model discloses following beneficial effect has: the utility model provides a centrifugal fan impeller blade forming die, this forming die structure is reliable, high performance, protruding type body through last moulding-die spill shaping chamber and lower moulding-die cooperates the shaping space that forms the impeller, setting through perpendicular guide post, the vibration and the aversion of lower moulding-die and last moulding-die are reduced to the time of guaranteeing the upper moulding-die stroke downwards, make the accurate pressfitting of lower moulding-die, the effectual stability that improves the punching press of blade steel sheet, the life of lower moulding-die and last moulding-die has been prolonged, centrifugal fan impeller blade hydroforming's quality has been guaranteed, the existing lagging method of making centrifugal fan impeller blade with the manual work has been changed, the work efficiency of making centrifugal fan impeller blade has been increased substantially.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
the reference numerals shown in fig. 1 to 2 are respectively expressed as: the method comprises the following steps of 1-base, 2-lower die, 3-upper die, 4-concave forming cavity, 5-convex body, 6-vertical guide column, 7-fixed die handle, 8-ejection hole, 9-ejection push rod, 10-reset spring, 11-positioning boss, 12-guide sleeve and 13-positioning groove.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 2, a centrifugal fan impeller blade forming die comprises a base 1, a lower pressing die 2 arranged on the base 1, and an upper pressing die 3 located above the lower pressing die 2 and corresponding to the lower pressing die 2, wherein a concave forming cavity 4 consistent with the curved surface of an impeller is arranged on the lower pressing die 2, a convex body 5 matched with the concave forming cavity 4 is arranged on the upper pressing die 3, a vertical guide column 6 is arranged between the upper pressing die 3 and the lower pressing die 2, the upper pressing die 3 slides up and down along the vertical guide column 6, and a fixed die handle 7 fixed on a hydraulic press is arranged on the top surface of the upper pressing die 3.
This forming die structure is reliable, high in use performance, the shaping space that forms the impeller cooperatees through the protruding type body 5 of 3 spill shaping chambeies of top matrix 3 and bottom matrix 2, through the setting of perpendicular guide post 6, the 3 stroke of assurance top matrix reduces the vibration and the aversion of bottom matrix 2 and top matrix 3 when downwards, make top matrix 2 can accurate pressfitting, the effectual stability that improves the punching press of blade steel sheet, the life of bottom matrix 2 and top matrix 3 has been prolonged, centrifugal fan impeller blade hydroforming's quality has been guaranteed, the current lagging method of making centrifugal fan impeller blade with the manual work has been changed, the work efficiency of making centrifugal fan impeller blade has been increased substantially.
An ejection hole 8 is formed in the lower pressing die 2, an ejection push rod 9 is arranged in the ejection hole 8, and a return spring 10 is arranged at the bottom end of the ejection push rod 9. Through the cooperation of the return spring 10 and the ejection push rod 9, ejection operation is carried out on the molded blade, and the blade ejection device is convenient and quick to operate and saves time and labor.
When the blade forming device is used, firstly, the blade forming lower die 2 and the upper die 3 are fixed on a hydraulic machine or a punching machine, a cut blade steel plate to be pressed is placed on a concave forming cavity 4 of a forming lower die, the hydraulic machine is started to be pressed downwards, the upper die 3 vertically descends on a vertical guide column 6 of the lower die 2, the upper die 32 ascends after descending in place, after the upper die 3 is lifted, an ejection push rod 9 of the lower die 2 is under the spring force action of a return spring 10, the formed blade can be ejected out of the lower die 2, and the hydraulically formed centrifugal fan impeller blade can be taken out. And finally, the sample plate is used for inspection and confirmation, the flatness and the size of the curved surface are ensured to be consistent, the forming efficiency and the product quality of the impeller blade of the centrifugal fan are obviously improved, the cost is saved, and the purposes of high efficiency and high quality are achieved.
The side edge of the concave forming cavity 4 of the lower pressing die 2 is provided with a positioning boss 11. The positioning boss 11 is used for limiting the punching forming sample plate, so that the sample plate placed in the concave forming cavity 4 in the punching forming process is prevented from moving to influence the forming effect.
The upper pressing die 3 or the lower pressing die 2 is provided with a guide sleeve 12 matched with the vertical guide post 6, and the vertical guide post 6 penetrates through the guide sleeve 12 and is connected to the upper pressing die 3 and the lower pressing die 2. Through the arrangement of the guide sleeve 12, the stability of the arrangement of the vertical guide post 6 is improved, and the vibration and the displacement generated when the upper pressing die 3 travels downwards are reduced.
The base 1 is provided with a positioning groove 13. The positioning groove 13 is matched with the positioning bolt, so that the die can be conveniently fixed on the punching machine, and the die fixing device is stable and reliable.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A centrifugal fan impeller blade forming die is characterized by comprising a base (1), a lower pressing die (2) arranged on the base (1) and an upper pressing die (3) which is positioned above the lower pressing die (2) and corresponds to the lower pressing die (2), wherein a concave forming cavity (4) consistent with the curved surface of an impeller is arranged on the lower pressing die (2), a convex body (5) matched with the concave forming cavity (4) is arranged on the upper pressing die (3), a vertical guide column (6) is arranged between the upper pressing die (3) and the lower pressing die (2), the upper pressing die (3) slides up and down along the vertical guide column (6), and a fixed die handle (7) fixed on a hydraulic machine is arranged on the top surface of the upper pressing die (3);
an ejection hole (8) is formed in the lower pressing die (2), an ejection push rod (9) is arranged in the ejection hole (8), and a return spring (10) is arranged at the bottom end of the ejection push rod (9).
2. The centrifugal fan impeller blade forming die as claimed in claim 1, wherein a positioning boss (11) is arranged on the side of the concave forming cavity (4) of the lower pressing die (2).
3. The centrifugal fan impeller blade forming die according to claim 1, wherein a guide sleeve (12) matched with the vertical guide post (6) is arranged on the upper pressing die (3) or the lower pressing die (2), and the vertical guide post (6) penetrates through the guide sleeve (12) and is connected to the upper pressing die (3) and the lower pressing die (2).
4. Centrifugal fan impeller blade forming die according to any of claims 1 to 3, characterized in that the vertical guide posts (6) are symmetrically arranged between two sides of the upper die (3) and two sides of the lower die (2), respectively.
5. The centrifugal fan impeller blade forming die as claimed in claim 4, wherein the base (1) is provided with a positioning groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812188.3U CN214919410U (en) | 2020-11-27 | 2020-11-27 | Centrifugal fan impeller blade forming die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812188.3U CN214919410U (en) | 2020-11-27 | 2020-11-27 | Centrifugal fan impeller blade forming die |
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| Publication Number | Publication Date |
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| CN214919410U true CN214919410U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022812188.3U Active CN214919410U (en) | 2020-11-27 | 2020-11-27 | Centrifugal fan impeller blade forming die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011990A (en) * | 2022-01-06 | 2022-02-08 | 点夺机电工程江苏有限公司 | Small-size curved surface blade stamping forming all-in-one with nested ram structure |
| CN114346037A (en) * | 2021-12-23 | 2022-04-15 | 江门市新会区浩潮五金制品有限公司 | Complete set of mould for arc-shaped handle and forming process thereof |
-
2020
- 2020-11-27 CN CN202022812188.3U patent/CN214919410U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346037A (en) * | 2021-12-23 | 2022-04-15 | 江门市新会区浩潮五金制品有限公司 | Complete set of mould for arc-shaped handle and forming process thereof |
| CN114346037B (en) * | 2021-12-23 | 2024-06-04 | 江门市新会区浩潮五金制品有限公司 | Complete die set of arc handle and forming process thereof |
| CN114011990A (en) * | 2022-01-06 | 2022-02-08 | 点夺机电工程江苏有限公司 | Small-size curved surface blade stamping forming all-in-one with nested ram structure |
| CN114011990B (en) * | 2022-01-06 | 2022-03-04 | 点夺机电工程江苏有限公司 | Small-size curved surface blade stamping forming all-in-one with nested ram structure |
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