CN110725065B - Felt part forming system with middle channel and application - Google Patents
Felt part forming system with middle channel and application Download PDFInfo
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- CN110725065B CN110725065B CN201911180099.7A CN201911180099A CN110725065B CN 110725065 B CN110725065 B CN 110725065B CN 201911180099 A CN201911180099 A CN 201911180099A CN 110725065 B CN110725065 B CN 110725065B
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- die
- felt
- pressing
- telescopic mechanism
- middle channel
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
- D04H1/08—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres and hardened by felting; Felts or felted products
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to a felt part forming system with a middle channel, which comprises an upper die and a lower die, wherein the upper die and the lower die are oppositely arranged, the lower die is fixed on a base, the upper die is connected with a press, the felt part forming system also comprises a pre-pressing die positioned between the upper die and the lower die, and the pre-pressing die is connected with the die through a telescopic mechanism; and the shape of the cavity wall surface of the pre-pressing die is consistent with that of the middle channel of the felt part, and the felt part raw material at the middle channel is pre-pressed. Compared with the prior art, the invention has the advantages of high automation degree, high qualification rate of the thickness of the central channel of the product, less reworking, low rejection rate and the like.
Description
Technical Field
The invention relates to the technical field of processing of felt parts, in particular to a felt part forming system with a middle channel and a using method thereof.
Background
The current manufacturing method of the sound insulation pad part of the automobile floor type comprises the following steps: in the forming process, because the tensile property of the felt is limited, workers are required to manually pre-press the baked blank to the central channel area, so that the condition that the middle channel and the floor part plane fall area have enough material in the forming and punching process is ensured as much as possible, and the condition that the felt is broken due to overlarge stretching, the thickness is thinner, the compression strength cannot reach the standard and the like, and the part is scrapped is reduced. However, in the production process, raw materials are pre-pressed in a press by workers, so that potential safety hazards exist; the sufficiency and the consistency of raw materials after each time of prepressing cannot be guaranteed, the phenomenon of prepressing leakage can also occur, the product rejection rate still is high and is not down, the labor is consumed, and the automatic requirement is not met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a felt part forming system with a middle channel and a using method thereof, wherein the felt part forming system is high in automation degree, production efficiency and part middle channel thickness qualification rate.
The aim of the invention can be achieved by the following technical scheme:
the felt part forming system with the middle channel comprises an upper die and a lower die which are arranged oppositely, wherein the lower die is fixed on a base, the upper die is connected with a press, and the felt part forming system also comprises a pre-pressing die arranged between the upper die and the lower die, and the pre-pressing die is connected to the upper die through a telescopic mechanism; and the shape of the cavity wall surface of the pre-pressing die is consistent with the shape of the reverse surface of the middle channel of the felt part, and the felt part raw material at the middle channel is pre-pressed.
After the prepressing is finished, the prepressing die retracts to be integrated with the upper die, and the cavity wall surface of the prepressing die and the cavity wall surface of the upper die form an integral cavity wall surface consistent with the shape of the back surface of the felt part; and the shape of the cavity wall surface of the lower die is consistent with the shape of the front surface of the felt part.
The upper die is provided with an installation cavity for installing the telescopic mechanism and the pre-pressing die; the telescopic mechanism is fixed in the installation cavity.
The telescopic mechanism comprises a fixed plate and a telescopic element connected with the fixed plate, and the output end of the telescopic element is fixedly connected with the pre-pressing die.
The telescopic mechanism further comprises a limit sleeve fixed on the fixed plate and a linear guide rail with the end part fixed on the pre-pressing die; the linear guide rail is arranged in the limit sleeve in a matched sliding manner.
The telescopic elements are arranged at two sides of the linear guide rail symmetrically, and the telescopic elements and the linear guide rail are arranged along the extending direction of the middle channel of the felt part.
The telescopic element is a cylinder.
The forming die further comprises a controller connected with the air cylinder.
The pre-pressing die is controlled by an air cylinder, and the specific depth of pre-pressing is determined by the fall value of the central channel and the plane of the floor part and the stretching performance of the raw materials, and is adjusted during actual die test, and the pre-pressing structure and the die are integrally designed; the whole die is controlled by the controller, so that the phenomenon of leakage and prepressing can not occur, and the automation level is improved.
The invention also provides a using method of the felt part forming system with the middle channel, which comprises the following steps:
paving the felt part raw material on the cavity surface of the lower die;
pushing out the pre-pressing mold by the telescopic mechanism, lowering the position of the pre-pressing mold, closing the mold with the lower mold, and pre-pressing;
after the prepressing is finished, the raw materials of the felt parts in the prepressing area on the lower die are automatically slipped and fed;
the telescopic mechanism withdraws the pre-pressing die, so that the pre-pressing die and the cavity wall surface of the upper die are integrated;
and the upper die is lowered and matched with the lower die, so that the felt part is formed.
Compared with the prior art, the invention has the following advantages:
(1) The felt in the middle channel area is pre-pressed, so that the thickness qualification rate of the middle channel can be ensured, the processing quality of felt parts is ensured, the reworking is less, and the rejection rate is reduced;
(2) The prepressing die and the upper die are integrally designed, prepressing and part machining are automatically performed by program control, and the use space is not increased, so that the operation of workers is convenient and simple, the production efficiency is improved, and the qualification rate of finished parts is improved.
Drawings
FIG. 1 is a schematic diagram of a front view of a molding die in the prior art;
FIG. 2 is a schematic side view of a prior art forming die;
FIG. 3 is a schematic top view of a lower mold of a molding mold according to the prior art;
FIG. 4 is a schematic diagram of a front view of a molding die according to the present invention;
FIG. 5 is a schematic side view of a forming mold according to the present invention;
FIG. 6 is a schematic side view of the upper mold of the molding die of the present invention;
FIG. 7 is a schematic view of a pre-pressing mold of the molding mold according to the present invention;
in the figure, 1 is an upper die, 2 is a lower die, 3 is a pre-pressing die, 4 is a telescopic mechanism, 5 is a middle channel, 6 is a fixed plate, 7 is a cylinder, 8 is a linear guide rail, 9 is a limiting sleeve, and 10 is a stretching area.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Comparative example
The felt part forming die in the prior art is a felt part forming die in the comparison example, as shown in fig. 1, and comprises an upper die 1 and a lower die 2, and when the felt part forming die is used, raw materials of felt parts, namely baked blanks, are paved on a cavity surface of the lower die 2; when the upper die 1 and the lower die 2 are matched, the middle channel and the floor part plane drop area in the forming and punching process are ensured to have enough materials, and the conditions that felt is broken, the thickness is thinner, the compression strength cannot reach the standard and the like due to overlarge stretching are reduced, so that the part is scrapped are avoided. As shown in fig. 2 and 3, the middle channel and floor element planar drop zone is a stretched zone 10 of felt element stock, and the stretched zone 10 needs to be manually pre-pressed to ensure that there is sufficient felt element stock in the zone.
Examples
The felt part forming system with the middle channel comprises an upper die 1, a lower die 2 and a pre-pressing die 3 arranged between the upper die 1 and the lower die 2, wherein the upper die 1 and the lower die 2 are oppositely arranged, the lower die 2 is fixed on a base, and the upper die 1 is connected with a press. The pre-pressing die 3 is connected to the die through a telescopic mechanism 4; the wall surface of the cavity of the pre-pressing die 3 is consistent with the shape of the reverse surface of the middle channel 5 of the felt part, and the raw material of the felt part at the middle channel 5 is pre-pressed. After the pre-pressing is finished, the pre-pressing mold 3 retracts to be integrated with the upper mold 1, and the cavity wall surface of the pre-pressing mold 3 and the cavity wall surface of the upper mold 1 form an integral cavity wall surface consistent with the shape of the back surface of the felt part; the shape of the cavity wall surface of the lower die 2 is consistent with the shape of the front surface of the felt part; the integral cavity wall surface of the upper die and the cavity wall surface of the lower die 2 are in positive and negative relation with each other; in order to save the use space, the upper die 1 is provided with an installation cavity for installing the telescopic mechanism 4 and the pre-pressing die 3; the telescopic mechanism 4 is fixed in the installation cavity.
As shown in fig. 6 and 7, the pre-pressing die 3 is driven by a telescopic mechanism 4 to extend up and down, and the telescopic mechanism 4 comprises a fixed plate 6, a telescopic element connected with the fixed plate 6, a limit sleeve 9 fixed on the fixed plate 6 and a linear guide rail 8 with the end part fixed on the pre-pressing die 3; the output end of the telescopic element is fixedly connected with the pre-pressing die 3; the linear guide rail 8 is matched and slidably arranged in the limit sleeve 9; and the telescopic elements are arranged in two, symmetrically arranged on two sides of the linear guide rail 8, and the telescopic elements and the linear guide rail 8 are arranged along the extending direction of the middle channel 5 of the felt part, and in the embodiment, the telescopic elements are cylinders 7.
The whole forming die is controlled by a controller, the controller is connected with an air cylinder 7, the expansion and contraction of the air cylinder 7 are controlled, and the controller is also connected with a press to control the lifting of the upper die.
The method for forming the felt part by adopting the felt part forming system with the middle channel of the embodiment comprises the following steps:
(a) Paving the felt part raw material on the cavity surface of the lower die 2;
(b) The telescopic mechanism 4 pushes out the pre-pressing die 3, lowers the position of the pre-pressing die 3, and closes the die with the lower die 2 for pre-pressing;
(c) After the prepressing is finished, the raw materials of the felt parts in the prepressing area on the lower die 2 are automatically slipped and fed;
(d) The telescopic mechanism 4 withdraws the pre-pressing die 3, so that the pre-pressing die 3 and the cavity wall surface of the upper die 1 are integrated;
(e) The upper die press drives the upper die 1 to lower and die the lower die 2 to complete the molding of the felt part.
The device of the embodiment designs an automatic pre-pressing structure on the upper die corresponding to the stretching area 10, namely, the original central channel area and the upper die are made into separate type to make a movable pre-pressing die; after the heated felt blank is placed, the telescopic mechanism of the pre-pressing die is driven to work in advance, the pre-pressing die is pressed down to a die closing position, after the raw materials slide towards the middle channel, the telescopic mechanism drives the pre-pressing die to be recovered to be integrated with the upper die after the material supplementing is completed, and then the press is driven to carry out conventional die closing action by the upper die, so that part forming is completed.
The depth of the pre-pressing mould is adjustable and is controlled by an air cylinder in the telescopic mechanism. The specific depth of the pre-pressing is determined by the drop value of the central channel and the plane of the floor part and the stretching performance of the raw materials, and the pre-pressing depth is adjusted in the actual test. The prepressing die and the upper die are integrally designed and automatically controlled by a program, and the use space is not increased, so that the operation of workers is convenient and simple, the production efficiency is improved, and the qualification rate of finished parts is improved.
The device of the embodiment is adopted to produce the felt part with the middle channel, and the production experiment proves that the size and shape of the finished part are high in the thickness qualification rate of the middle channel, less in reworking and low in rejection rate.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention.
Claims (5)
1. The felt part forming system with the middle channel comprises an upper die (1) and a lower die (2) which are arranged oppositely, wherein the lower die (2) is fixed on a base, the upper die (1) is connected with a press machine, and is characterized in that,
the mold further comprises a pre-pressing mold (3) positioned between the upper mold (1) and the lower mold (2), and the pre-pressing mold (3) is connected to the upper mold (1) through a telescopic mechanism (4); the shape of the cavity wall surface of the pre-pressing die (3) is consistent with the shape of the reverse surface of the middle channel (5) of the felt part, and the felt part raw material at the middle channel (5) is pre-pressed;
after the prepressing is finished, the prepressing die (3) is retracted to be integrated with the upper die (1), and the cavity wall surface of the prepressing die (3) and the cavity wall surface of the upper die (1) form an integral cavity wall surface consistent with the shape of the back surface of the felt part; the shape of the cavity wall surface of the lower die (2) is consistent with the shape of the front surface of the felt part;
the telescopic mechanism (4) comprises a fixed plate (6) and a telescopic element connected with the fixed plate (6), and the output end of the telescopic element is fixedly connected with the pre-pressing die (3);
the telescopic mechanism (4) further comprises a limit sleeve (9) fixed on the fixed plate (6) and a linear guide rail (8) with the end part fixed on the pre-pressing die (3); the linear guide rail (8) is matched and slidably arranged in the limit sleeve (9);
the application of the felt part forming system with the middle channel comprises the following steps:
paving a felt part raw material on a cavity surface of a lower die (2);
the telescopic mechanism (4) pushes out the pre-pressing die (3), lowers the position of the pre-pressing die (3) and closes the lower die (2) for pre-pressing;
after the prepressing is finished, the raw materials of the felt parts on the prepressing area of the lower die (2) are automatically slipped and fed;
the telescopic mechanism (4) withdraws the pre-pressing die (3) to integrate the pre-pressing die (3) with the cavity wall surface of the upper die (1);
the press drives the upper die (1) to lower and die with the lower die (2) to complete the molding of the felt part.
2. A felt element forming system with intermediate channels according to claim 1, characterized in that the upper mould (1) is provided with a mounting cavity for the telescopic mechanism (4) and the pre-compression mould (3); the telescopic mechanism (4) is fixed in the installation cavity.
3. A felt element forming system with an intermediate channel according to claim 1, characterized in that the telescopic elements are provided in two, symmetrically mounted on both sides of the linear guide (8), the telescopic elements and the linear guide (8) being arranged along the extension of the intermediate channel (5) of the felt element.
4. A felt element forming system with intermediate channels according to claim 1, characterized in that the telescopic element is a cylinder (7).
5. The felt element shaping system with intermediate channels according to claim 4, further comprising a controller connected to the cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911180099.7A CN110725065B (en) | 2019-11-27 | 2019-11-27 | Felt part forming system with middle channel and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911180099.7A CN110725065B (en) | 2019-11-27 | 2019-11-27 | Felt part forming system with middle channel and application |
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| Publication Number | Publication Date |
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| CN110725065A CN110725065A (en) | 2020-01-24 |
| CN110725065B true CN110725065B (en) | 2023-06-23 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619151U (en) * | 2010-02-24 | 2010-11-03 | 宁海瑞元模塑有限公司 | Blanking mold provided with air cylinder and pre-pressing slide block |
| CN106894220B (en) * | 2015-12-17 | 2019-10-01 | 上海新安汽车隔音毡有限公司 | A kind of molding die and moulding process of hollow felt |
| CN205325858U (en) * | 2016-01-26 | 2016-06-22 | 佩尔哲汽车内饰系统(太仓)有限公司 | Die -cut integrative mould of shaping with forming mechanism in advance |
| CN108149389A (en) * | 2016-12-05 | 2018-06-12 | 上海新安汽车隔音毡有限公司 | One kind is for the molding improvement mold of deadening felt and its application |
| CN107097296A (en) * | 2017-06-12 | 2017-08-29 | 南通超达装备股份有限公司 | The technique that felts product blanking die prevents error |
| CN211284799U (en) * | 2019-11-27 | 2020-08-18 | 上海新安汽车隔音毡有限公司 | Felt part forming system with middle channel |
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