CN108908803B - Machining die for automobile roof with skylight and machining method of machining die - Google Patents
Machining die for automobile roof with skylight and machining method of machining die Download PDFInfo
- Publication number
- CN108908803B CN108908803B CN201810853339.4A CN201810853339A CN108908803B CN 108908803 B CN108908803 B CN 108908803B CN 201810853339 A CN201810853339 A CN 201810853339A CN 108908803 B CN108908803 B CN 108908803B
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- fabric
- die
- conveying mechanism
- composite board
- upper die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/002—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3011—Roof linings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model provides a take skylight car roof's mold processing and processing method, goes up mould, bed die, and the inside of going up the mould corresponds the skylight position of PU composite sheet and is provided with surface fabric separating mechanism, and surface fabric separating mechanism includes: the device comprises at least one fabric separating cylinder, a sliding block and a plurality of prickers, wherein the air fabric separating cylinder is vertically arranged in the upper die along the closing direction of the upper die, the sliding block is fixedly connected to a piston rod extending out of the cylinder, and the sliding block is provided with the plurality of prickers for hooking up the fabric at the position of the skylight; the lower die is provided with the groove corresponding to the position of the puncture needle, and the invention has the advantages that: the invention has the advantages of simple structure, no need of manual operation, accurate processing position, increased product yield and improved production efficiency.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a machining die for an automobile roof with a skylight and a machining method of the machining die.
Background
The automobile roof interior is an important component of the whole automobile interior, has the main functions of sound insulation, heat insulation and dust prevention, reduces noise in the automobile and improves the sound absorption effect; the structure of the composite board is composed of a layer of knitted fabric and a PU composite board, and the product technology belongs to hot material cold press molding. The ceiling with the skylight is characterized in that the fabric at the skylight part needs to be separated from the base material before the knitting fabric and the PU composite board are pressed together so as to carry out the edge covering process subsequently; the prior art method comprises 1, spraying water on the fabric in the separation area to make the fabric not adhered to the substrate; 2, adding a layer of non-woven fabric between the fabric and the base material to ensure that the non-woven fabric is not bonded. By adopting the two methods, the labor cost is increased, the consumption of raw materials is increased, the control in the water spraying area of the fabric is unstable, the appearance and quality of the fabric are affected, and the like, so that a novel die and a processing technology thereof are necessary to be developed to separate the fabric from a base material in the pressing process, and the problems are solved.
Disclosure of Invention
The invention aims to provide a processing die of an automobile roof with a skylight, which is used for separating a fabric of a skylight part from a PU composite board before a knitted fabric and the PU composite board are pressed together so as to overcome the defects in the prior art.
The technical scheme of the invention is realized in such a way that the processing die comprises: the upper die and the lower die are assembled, and then the lower surface of the upper die and the upper surface of the lower die are enclosed to form a cavity copying a workpiece. The fabric separating cylinder is vertically arranged in the upper die along the closing direction of the upper die, the sliding block is fixedly connected to a piston rod extending out of the cylinder, and the sliding block is provided with a plurality of needles for hooking up the fabric at the skylight position; the lower die is provided with a groove corresponding to the position of the puncture needle.
Preferably, the needles are all arranged on the sliding block close to one side of the cloth, and the positions of the needles on the sliding block correspond to the positions of the skylight of the PU composite board.
Preferably, the puncture needle is composed of a puncture part and a connection part, and the puncture part comprises: the device comprises a thorn head for penetrating through cloth and a barb for hooking up the cloth, wherein the barb is arranged on an outer ring of the tail part of the thorn head, one end of the connecting part is connected with the tail part of the penetrating part, and the other end of the connecting part is fixedly connected with the sliding block 4.
Preferably, a die clamping cylinder is arranged at four corner positions of the upper die, and drives the upper die to be clamped with the lower die.
The invention further provides a processing method of a processing die of a car roof with a skylight, which comprises the following steps:
step S1: the fabric is clamped by the clamping and conveying mechanism and conveyed to the workbench for standby, and meanwhile, the PU composite board is sucked by the crown block conveying mechanism and is conveyed to the material rack;
step S2: conveying the PU composite plate on the material rack into a baking oven by utilizing a conveying mechanism for baking, wherein the heating temperature of the baking oven is 200+/-8 ℃, and the heating time of the baking oven is 95+/-2 seconds;
step S3: conveying the baked PU composite board to the material rack by utilizing the conveying mechanism;
step S4: transferring the fabric on the workbench to a material rack by utilizing the crown block conveying mechanism, so that the fabric is covered on the baked PU composite board;
step S5: transferring the PU composite plate covered with the fabric on the material rack to a processing die by using an automatic feeder:
step S6: the upper die and the lower die of the processing die are used for separating the fabric covered on the skylight position on the PU composite plate from the PU composite plate by utilizing a fabric separation mechanism before the PU composite plate covered with the fabric is clamped and stamped;
step S7: and the processing mould imprints and forms the PU composite board covered with the fabric.
Step S8: and (S7) after the die assembly and the imprinting are carried out in the step S7, the upper die is separated from the lower die, and the upper die drives the pricking pins to be separated from the cloth through the sliding blocks, so that the imprinting of the PU composite board covered with the fabric is completed.
Preferably, the processing method comprises the following steps:
step S1: the fabric is clamped by clamping jaws of the clamping conveying mechanism and conveyed to the position right above the workbench through a conveying track of the clamping conveying mechanism, the fabric is placed on the workbench for standby by the clamping jaws of the clamping conveying mechanism, meanwhile, the PU composite board is sucked by a sucker of the crown block conveying mechanism and conveyed to the position right above the material frame through the conveying mechanism of the crown block conveying mechanism, and the PU composite board is placed on the material frame by the sucker of the crown block conveying mechanism;
step S2: conveying the PU composite plate on the material rack into a baking oven by utilizing a conveying mechanism for baking, wherein the heating temperature of the baking oven is 200 ℃, and the heating time of the baking oven is 95 seconds;
step S3: conveying the baked PU composite board to the material rack by utilizing the conveying mechanism;
step S4: sucking the fabric on the workbench by using a sucker of the crown block conveying mechanism, and transferring the sucker adsorbed with the fabric to a material rack by using the conveying mechanism of the crown block conveying mechanism, so that the fabric is covered on the baked PU composite board;
step S5: transferring the PU composite plate covered with the fabric on the material rack to a female die of a processing die by using an automatic feeder:
step S6: before the PU composite board covered with the fabric is clamped and stamped by the upper die and the lower die of the processing die, the fabric separating cylinder of the fabric separating mechanism drives the sliding block to move towards the PU composite board covered with the fabric, after the pricking pins distributed on the sliding block penetrate into the PU composite board covered with the fabric, the pricking pins hook the fabric, the fabric separating cylinder is quickly retracted, and the sliding block drives the pricking pins to hook the fabric;
step S7: the upper die and the lower die of the processing die are used for imprinting and forming the PU composite board covered with the fabric;
step S8: and (S7) after the die assembly and the imprinting are carried out in the step S7, the upper die is separated from the lower die, and the upper die drives the pricking pins to be separated from the cloth through the sliding blocks, so that the imprinting of the PU composite board covered with the fabric is completed.
The invention has the advantages and positive effects that:
1. the processing die disclosed by the invention has the advantages that the fabric at the skylight part is separated from the PU composite board before the knitting fabric and the PU composite board are pressed, the convenience is provided for the subsequent edge covering process at the skylight position, the structure is simple, the manual operation is not needed, the processing position is accurate, the product yield is increased, and the production efficiency is also improved.
2. Compared with the traditional water separation method, the processing method of the invention omits the water spraying procedure, increases the product qualification rate and reduces the cost of people; compared with a separation method of adding a layer of non-woven fabric between the fabric and the base material, the processing method saves raw material consumption, and omits the procedures of placing the non-woven fabric and removing the non-woven fabric, thereby reducing material cost and labor cost and accelerating production efficiency.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a top view of the upper die of the present invention.
Fig. 3 is a cross-sectional view of the upper mold and the lower mold of the present invention after they are closed.
FIG. 4 is a perspective view of the lancet structure of the present invention.
Fig. 5 is a flow chart of the processing method of the present invention.
Reference numerals: the upper die 1, the lower die 2, the fabric separating cylinder 3, the sliding block 4, the puncture needle 5, the groove 6, the puncture part 7, the connecting part 8, the puncture head 9 and the barb 10.
Detailed Description
Example 1
Referring to fig. 1-4, the present invention includes: the upper die 1, bed die 2, after the compound die of upper die 1 and bed die 2, the lower surface of upper die 1 closes into the die cavity with the profile modeling of work piece with the upper surface of bed die 2, and the skylight position of the inside correspondence PU composite sheet of upper die 1 is provided with surface fabric separating mechanism, and surface fabric separating mechanism includes: the upper die comprises two fabric separating air cylinders 3, a sliding block 4 and a pricking pin 5, wherein the two fabric separating air cylinders 3 are vertically arranged in an installation groove in the upper die 1 along the closing direction of the upper die 1, the sliding block 4 is connected to piston rods extending out of the two air cylinders through bolts, and nine pricking pins 5 for hooking up fabric at the skylight position are arranged on the sliding block 4; the lower mould 2 is provided with a groove 6 corresponding to the position of the puncture needle, the puncture needle 5 is uniformly arranged on the sliding block 4 close to one side of the cloth, the position of the puncture needle 5 on the sliding block corresponds to the position of the skylight of the PU composite board, the puncture needle 5 consists of a puncture part 7 and a connecting part 8, and the puncture part 7 comprises: the device comprises a piercing head 9 for piercing the cloth and a barb 10 for hooking the cloth, wherein the barb 10 is arranged on the outer ring of the tail part of the piercing head 9, one end of a connecting part 8 is connected with the tail part of the piercing part 7, and the other end of the connecting part is fixedly connected with a sliding block 4. The four corner positions of the upper die 1 are provided with die clamping cylinders which drive the upper die 1 to be matched with the lower die 2.
Example 2
Referring to fig. 5, a method for processing a processing mold of an automobile roof with a skylight comprises the following steps:
step S1: the fabric is clamped by clamping jaws of the clamping conveying mechanism and conveyed to the position right above the workbench through a conveying track of the clamping conveying mechanism, the fabric is placed on the workbench for standby by the clamping jaws of the clamping conveying mechanism, meanwhile, the PU composite board is sucked by a sucker of the crown block conveying mechanism and conveyed to the position right above the material frame through the conveying mechanism of the crown block conveying mechanism, and the PU composite board is placed on the material frame by the sucker of the crown block conveying mechanism;
step S2: conveying the PU composite plate on the material rack into a baking oven by utilizing a conveying mechanism for baking, wherein the heating temperature of the baking oven is 200 ℃, and the heating time of the baking oven is 95 seconds;
step S3: conveying the baked PU composite board to the material rack by utilizing the conveying mechanism;
step S4: sucking the fabric on the workbench by using a sucker of the crown block conveying mechanism, and transferring the sucker adsorbed with the fabric to a material rack by using the conveying mechanism of the crown block conveying mechanism, so that the fabric is covered on the baked PU composite board;
step S5: transferring the PU composite plate covered with the fabric on the material rack to a female die of a processing die by using an automatic feeder:
step S6: before the PU composite board covered with the fabric is clamped and stamped by the upper die and the lower die of the processing die, the fabric separating cylinder of the fabric separating mechanism drives the sliding block to move towards the PU composite board covered with the fabric, after the pricking pins distributed on the sliding block penetrate into the PU composite board covered with the fabric, the pricking pins hook the fabric, the fabric separating cylinder is quickly retracted, and the sliding block drives the pricking pins to hook the fabric;
step S7: the upper die and the lower die of the processing die are used for imprinting and forming the PU composite board covered with the fabric;
step S8: and (S7) after the die assembly and the imprinting are carried out in the step S7, the upper die is separated from the lower die, and the upper die drives the pricking pins to be separated from the cloth through the sliding blocks, so that the imprinting of the PU composite board covered with the fabric is completed.
Claims (6)
1. A machining die for a sunroof automobile roof, comprising: the upper die and the lower die are assembled, and then the lower surface of the upper die and the upper surface of the lower die are enclosed to form a cavity copying a workpiece. The fabric separating cylinder is vertically arranged in the upper die along the closing direction of the upper die, the sliding block is fixedly connected to a piston rod extending out of the cylinder, and the sliding block is provided with a plurality of needles for hooking up the fabric at the skylight position; the lower die is provided with a groove corresponding to the position of the puncture needle.
2. The machining die for a sunroof automobile ceiling according to claim 1, wherein: the needles are all arranged on the sliding block close to one side of the cloth, and the positions of the needles on the sliding block correspond to the positions of the skylight of the PU composite board.
3. The machining die for a sunroof automobile ceiling according to claim 1, wherein: the puncture needle is composed of a puncture part and a connecting part, wherein the puncture part comprises: the device comprises a thorn head for penetrating through cloth and a barb for hooking up the cloth, wherein the barb is arranged on an outer ring of the tail of the thorn head, one end of the connecting part is connected with the tail of the penetrating part, and the other end of the connecting part is fixedly connected with the sliding block.
4. The machining die for a sunroof automobile ceiling according to claim 1, wherein: and the four corner positions of the upper die are provided with die clamping cylinders which drive the upper die to be matched with the lower die.
5. The method for processing the processing mold of the automobile roof with the skylight according to claim 1, which is characterized by comprising the following steps:
step S1: the fabric is clamped by the clamping and conveying mechanism and conveyed to the workbench for standby, and meanwhile, the PU composite board is sucked by the crown block conveying mechanism and is conveyed to the material rack;
step S2: conveying the PU composite plate on the material rack into a baking oven by utilizing a conveying mechanism to bake, wherein the heating temperature of the baking oven is 200+/-8 ℃, and the heating time of the baking oven is 95+/-2 seconds;
step S3: conveying the baked PU composite board to the material rack by utilizing the conveying mechanism;
step S4: transferring the fabric on the workbench to a material rack by utilizing the crown block conveying mechanism, so that the fabric is covered on the baked PU composite board;
step S5: transferring the PU composite plate covered with the fabric on the material rack to a processing die by using an automatic feeder:
step S6: the upper die and the lower die of the processing die are used for separating the fabric covered on the skylight position on the PU composite plate from the PU composite plate by utilizing a fabric separation mechanism before the PU composite plate covered with the fabric is clamped and stamped;
step S7: the processing mould imprints and forms the PU composite board covered with the fabric;
step S8: and (S7) after the die assembly and the imprinting are carried out in the step S7, the upper die is separated from the lower die, and the upper die drives the pricking pins to be separated from the cloth through the sliding blocks, so that the imprinting of the PU composite board covered with the fabric is completed.
6. The method for processing the processing mold of the automobile roof with the skylight according to claim 2, which is characterized in that: the method comprises the following steps:
step S1: the fabric is clamped by clamping jaws of the clamping conveying mechanism and conveyed to the position right above the workbench through a conveying track of the clamping conveying mechanism, the fabric is placed on the workbench for standby by the clamping jaws of the clamping conveying mechanism, meanwhile, the PU composite board is sucked by a sucker of the crown block conveying mechanism and conveyed to the position right above the material frame through the conveying mechanism of the crown block conveying mechanism, and the PU composite board is placed on the material frame by the sucker of the crown block conveying mechanism;
step S2: conveying the PU composite plate on the material rack into a baking oven by utilizing a conveying mechanism for baking, wherein the heating temperature of the baking oven is 200 ℃, and the heating time of the baking oven is 95 seconds;
step S3: conveying the baked PU composite board to the material rack by utilizing the conveying mechanism;
step S4: sucking the fabric on the workbench by using a sucker of the crown block conveying mechanism, and transferring the sucker adsorbed with the fabric to a material rack by using the conveying mechanism of the crown block conveying mechanism, so that the fabric is covered on the baked PU composite board;
step S5: transferring the PU composite plate covered with the fabric on the material rack to a female die of a processing die by using an automatic feeder:
step S6: before the PU composite board covered with the fabric is clamped and stamped by the upper die and the lower die of the processing die, the fabric separating cylinder of the fabric separating mechanism drives the sliding block to move towards the PU composite board covered with the fabric, after the pricking pins distributed on the sliding block penetrate into the PU composite board covered with the fabric, the pricking pins hook the fabric, the fabric separating cylinder is quickly retracted, and the sliding block drives the pricking pins to hook the fabric;
step S7: the upper die and the lower die of the processing die are used for imprinting and forming the PU composite board covered with the fabric;
step S8: and (S7) after the die assembly and the imprinting are carried out in the step S7, the upper die is separated from the lower die, and the upper die drives the pricking pins to be separated from the cloth through the sliding blocks, so that the imprinting of the PU composite board covered with the fabric is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810853339.4A CN108908803B (en) | 2018-07-30 | 2018-07-30 | Machining die for automobile roof with skylight and machining method of machining die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810853339.4A CN108908803B (en) | 2018-07-30 | 2018-07-30 | Machining die for automobile roof with skylight and machining method of machining die |
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| Publication Number | Publication Date |
|---|---|
| CN108908803A CN108908803A (en) | 2018-11-30 |
| CN108908803B true CN108908803B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810853339.4A Active CN108908803B (en) | 2018-07-30 | 2018-07-30 | Machining die for automobile roof with skylight and machining method of machining die |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823002B (en) * | 2019-03-28 | 2021-09-21 | 江苏祺胜现代新材料有限公司 | High-strength automobile ceiling with large-size skylight structure |
| CN114953402B (en) * | 2022-08-01 | 2022-11-29 | 烟台吉兴汽车部件有限公司 | Automatic assemblage equipment of integration car roof |
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| CN108908803A (en) | 2018-11-30 |
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