CN211284799U - Felt part forming system with middle channel - Google Patents
Felt part forming system with middle channel Download PDFInfo
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- CN211284799U CN211284799U CN201922075317.2U CN201922075317U CN211284799U CN 211284799 U CN211284799 U CN 211284799U CN 201922075317 U CN201922075317 U CN 201922075317U CN 211284799 U CN211284799 U CN 211284799U
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- prepressing
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Abstract
The utility model relates to a felt part forming system with a middle channel, which 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 prepressing die which is positioned between the upper die and the lower die, and the prepressing die is connected on the die through a telescopic mechanism; the shape of the wall surface of the cavity of the prepressing die is consistent with that of the middle channel of the felt part, and the felt part raw material at the middle channel is prepressed. Compared with the prior art, the utility model has the advantages of degree of automation is high, product center channel thickness qualification rate is high, rework is few, the disability rate is low.
Description
Technical Field
The utility model belongs to the technical field of the processing technique of a felt part and specifically relates to a felt part molding system with intermediate channel is related to.
Background
The manufacturing method of the existing automobile floor type sound insulation pad part comprises the following steps: in the forming process, due to the fact that the stretching performance of the felt is limited, workers are required to manually pre-press the baked blank towards the central channel region, enough material is guaranteed to exist in the plane fall region of the intermediate channel and the floor part in the forming and punching process, and the situation that the felt is broken due to too large stretching, the thickness of the felt is too thin, the compression strength cannot reach the standard and the like, and the part is scrapped is reduced. However, in the production process, workers carry out raw material prepressing in the press, so that potential safety hazards exist; the sufficiency and the uniformity of raw materials after prepressing at each time can not be guaranteed, the phenomenon of prepressing leakage can also occur, the product rejection rate is still high, manpower is consumed, and the requirement of automation is not met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a felt part forming system with middle channel, which has high automation degree, high production efficiency, high part middle channel thickness qualification rate and overcomes the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
a felt part forming system with a 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, the felt part forming system also comprises a prepressing die positioned between the upper die and the lower die, and the prepressing die is connected on the upper die through a telescopic mechanism; the shape of the wall surface of the cavity of the prepressing die is consistent with the shape of the reverse side of the middle channel of the felt part, and the felt part raw material at the middle channel is prepressed.
After the prepressing is finished, the prepressing die retracts to be integrated with the upper die, and the wall surface of a cavity of the prepressing die and the wall surface of the cavity of the upper die form an integral cavity wall surface which is consistent with the shape of the reverse side of the felt part; and the shape of the wall surface of the cavity of the lower die is consistent with that of the front surface of the felt part.
The upper die is provided with an installation cavity for installing the telescopic mechanism and the prepressing 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 prepressing die.
The telescopic mechanism further comprises a limiting sleeve fixed on the fixing plate and a linear guide rail of which the end part is fixed on the pre-pressing die; the linear guide rail is matched with and slidably mounted in the limiting sleeve.
The two telescopic elements are symmetrically arranged on two sides of the linear guide rail, and the telescopic elements and the linear guide rail are arranged along the extension 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 prepressing die is controlled by a cylinder, the specific prepressing depth 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, the prepressing depth is adjusted during actual die testing, and the prepressing structure and the die are designed integrally; the whole die is controlled by the controller, so that the phenomenon of pre-pressing leakage cannot occur, and the automation level is improved.
The utility model discloses a use method of felt part molding system with intermediate channel, including following step:
laying raw materials of felt parts on a cavity surface of a lower die;
the telescoping mechanism pushes out the prepressing die, lowers the position of the prepressing die, closes the prepressing die with the lower die and performs prepressing;
after the prepressing is finished, automatically sliding and supplementing raw materials of the felt part in the prepressing area on the lower die;
the telescoping mechanism retracts the prepressing die to enable the prepressing die and the wall surface of the cavity of the upper die to be integrated;
and (5) lowering the upper die and closing the lower die to complete the forming of the felt part.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the felt in the middle channel area is pre-pressed, so that the thickness qualified 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 processing are automatically carried out under the control of 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.
Drawings
FIG. 1 is a schematic front view of a forming mold in the prior art;
FIG. 2 is a schematic side view of a forming mold in the prior art;
FIG. 3 is a schematic top view of a lower mold of a forming mold according to the prior art;
fig. 4 is a schematic front view of the forming mold of the present invention;
fig. 5 is a schematic side view of the forming mold according to the present invention;
fig. 6 is a schematic side view of the upper mold of the middle forming mold according to the present invention;
fig. 7 is a schematic structural view of a pre-pressing mold of the forming mold of 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 fixing 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 the following embodiments. 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 various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Comparative example
The comparative example is a felt part forming die in the prior art, 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 the felt part, namely baked blanks are laid on a cavity surface of the lower die 2; when the upper die 1 and the lower die 2 are combined, enough materials are required to be arranged in the plane fall area of the middle channel and the floor part in the forming and punching process, and the phenomena that felt is broken due to too large stretching, the thickness is thin, the compression strength cannot reach the standard and the like, and the parts are scrapped are reduced. As shown in fig. 2 and 3, the area of the level drop between the middle channel and the floor part is a stretching area 10 of the felt part material, and the stretching area 10 needs to be pre-pressed manually to ensure that the area has enough felt part material.
Examples
A felt part forming system with a middle channel is shown in figures 4 and 5 and 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 arranged oppositely, the lower die 2 is fixed on a base, and the upper die 1 is connected with a press. The prepressing die 3 is connected to the die through a telescopic mechanism 4; the shape of the wall surface of the cavity of the prepressing die 3 is consistent with the shape of the reverse side of the middle channel 5 of the felt part, and the felt part raw material at the middle channel 5 is prepressed. After the prepressing is finished, the prepressing die 3 retracts to be integrated with the upper die 1, and the wall surface of the cavity of the prepressing die 3 and the wall surface of the cavity of the upper die 1 form an integral cavity wall surface which is consistent with the shape of the reverse side of the felt part; the shape of the wall surface of the cavity of the lower die 2 is consistent with the shape of the front surface of the felt part; the wall surface of the integral cavity of the upper die and the wall surface of the cavity of the lower die 2 are in the front-back relationship of parts; in order to save the use space, the upper die 1 is provided with an installation cavity for installing a telescopic mechanism 4 and a prepressing die 3; the telescoping mechanism 4 is fixed in the mounting cavity.
As shown in fig. 6 and 7, the pre-pressing mold 3 is driven by the telescoping mechanism 4 to extend and retract up and down, the telescoping mechanism 4 includes a fixing plate 6, a telescoping element connected with the fixing plate 6, a limiting sleeve 9 fixed on the fixing plate 6, and a linear guide rail 8 with an end fixed on the pre-pressing mold 3; the output end of the telescopic element is fixedly connected with the prepressing die 3; the linear guide rail 8 is matched and slidably arranged in the limiting sleeve 9; and the telescopic elements are provided with two, and are symmetrically arranged on two sides of the linear guide rail 8, 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 the telescopic elements are cylinders 7 in the embodiment.
Whole forming die is controlled by the controller, and the controller is connected with cylinder 7, the flexible of control cylinder 7 to the controller still is connected with the press, the lift of mould in the control.
The method for forming the felt part by adopting the felt part forming system with the middle channel comprises the following steps:
(a) laying raw materials of felt parts on the cavity surface of the lower die 2;
(b) the telescoping mechanism 4 pushes out the pre-pressing die 3, lowers the position of the pre-pressing die 3, closes the die with the lower die 2 and performs pre-pressing;
(c) after the prepressing is finished, the felt part raw material in the prepressing area on the lower die 2 is subjected to automatic slippage material supplementing;
(d) the telescoping mechanism 4 retracts the pre-pressing die 3 to enable the pre-pressing die 3 and the wall surface of the cavity of the upper die 1 to be integrated;
(e) and the upper die press drives the upper die 1 to be lowered to be matched with the lower die 2, so that the felt part is formed.
The device of the embodiment designs an automatic prepressing structure on the upper die corresponding to the stretching area 10, namely, the original central channel area and the upper die are made into a separated type to be made into a movable prepressing 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 to a die closing position, the raw material slides to the middle channel, after the material supplementing is completed, the telescopic mechanism drives the pre-pressing die to be recycled to the upper die and to be integrated with the upper die, and at the moment, the press drives the upper die to perform a conventional die closing action to complete part forming.
The prepressing depth of the prepressing die is adjustable and is controlled by a cylinder in the telescopic mechanism. The specific depth of prepressing is determined by the fall value of the central channel and the plane of the floor part and the tensile property of the raw material, and the adjustment is carried out during the actual die test. The pre-pressing die and the upper die are integrally designed, are 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 this embodiment is adopted to produce the felt part that has the intermediate passage, and production experiments prove that finished product part size shape, central passage thickness qualification rate are high, and the reworking is few, and the disability rate is low.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. A felt part forming system with a middle channel comprises an upper die (1) and a lower die (2) which are oppositely arranged, the lower die (2) is fixed on a base, the upper die (1) is connected with a press, and the felt part forming system is characterized in that,
the mould also comprises a prepressing mould (3) positioned between the upper mould (1) and the lower mould (2), and the prepressing mould (3) is connected to the upper mould (1) through a telescopic mechanism (4); the shape of the wall surface of the cavity of the prepressing die (3) is consistent with the shape of the reverse side of the middle channel (5) of the felt part, and the felt part raw material at the middle channel (5) is prepressed.
2. The felt part forming system with the middle channel as claimed in claim 1, wherein after the pre-pressing is completed, the pre-pressing mold (3) retracts to be integrated with the upper mold (1), and the wall surface of the cavity of the pre-pressing mold (3) and the wall surface of the cavity of the upper mold (1) form an integral cavity wall surface which is consistent with the shape of the back surface of the felt part; the shape of the wall surface of the cavity of the lower die (2) is consistent with that of the front surface of the felt part.
3. A felt part forming system with an intermediate channel according to claim 2, characterized in that the upper die (1) is provided with a mounting cavity for mounting the telescoping mechanism (4) and the pre-pressing die (3); the telescopic mechanism (4) is fixed in the installation cavity.
4. A felt part forming system with intermediate channel according to claim 3, characterized in that the telescopic means (4) comprise a fixed plate (6) and a telescopic element connected with the fixed plate (6), the output end of the telescopic element is fixedly connected with the prepressing die (3).
5. A felt part forming system with an intermediate channel according to claim 4, characterized in that the telescopic mechanism (4) further comprises a limit sleeve (9) fixed on the fixing plate (6) and a linear guide rail (8) with the end fixed on the pre-pressing die (3); the linear guide rail (8) is matched and slidably arranged in the limiting sleeve (9).
6. A felt part forming system with an intermediate channel according to claim 5, characterised in that said telescopic elements are provided in two, symmetrically mounted on both sides of said linear guide (8), said telescopic elements and linear guide (8) being arranged along the extension direction of the intermediate channel (5) of the felt part.
7. A felt part forming system with intermediate channel according to claim 4, characterized in that the telescopic element is a cylinder (7).
8. A felt part forming system with intermediate channels according to claim 7, further comprising a controller connected to the air cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075317.2U CN211284799U (en) | 2019-11-27 | 2019-11-27 | Felt part forming system with middle channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075317.2U CN211284799U (en) | 2019-11-27 | 2019-11-27 | Felt part forming system with middle channel |
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| CN211284799U true CN211284799U (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725065A (en) * | 2019-11-27 | 2020-01-24 | 上海新安汽车隔音毡有限公司 | Felt part forming system with middle channel and application |
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- 2019-11-27 CN CN201922075317.2U patent/CN211284799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725065A (en) * | 2019-11-27 | 2020-01-24 | 上海新安汽车隔音毡有限公司 | Felt part forming system with middle channel and application |
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