CN108215246B - Forming tool for porous composite part and using method thereof - Google Patents
Forming tool for porous composite part and using method thereof Download PDFInfo
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- CN108215246B CN108215246B CN201810198123.9A CN201810198123A CN108215246B CN 108215246 B CN108215246 B CN 108215246B CN 201810198123 A CN201810198123 A CN 201810198123A CN 108215246 B CN108215246 B CN 108215246B
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- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004080 punching Methods 0.000 claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000000465 moulding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/24—Perforating by needles or pins
-
- 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
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a forming tool of a porous composite part and a using method thereof, relates to the technical field of forming tools of composite parts, and aims to solve the technical problems that the existing forming tool is difficult to demould and low in efficiency. The invention relates to a forming tool of a porous composite part, which comprises the following components: the punching assembly is provided with an upper die, a stripper plate and a lower die which are assembled from top to bottom in sequence; the upper die is matched with the workpiece, the upper die is provided with a plurality of taper holes for the punching assembly to pass through, and the lower die is provided with a plurality of mounting holes for mounting the punching assembly; the punching assembly can swing at a small angle and is used for piercing the workpiece, and the workpiece is ejected together when the stripper plate is ejected upwards.
Description
Technical Field
The invention relates to the technical field of molding tools for composite products, in particular to a molding tool for a porous composite product and a using method thereof.
Background
The forming tool is a matched tool designed for manufacturing or assembling and the like, and the parts to be formed are usually complex materials. The structure and shape of composite parts today tend to be varied, requiring the formation of complex parts such as porous composite parts.
However, the present inventors have found that difficulties are easily created in demolding due to the Kong Duowei normal holes of the porous composite part; the existing forming tool is complex in operation, needs to be subjected to multi-step demoulding during demoulding, and is low in efficiency.
Therefore, how to provide a tool for molding porous composite parts and a use method thereof, which can effectively improve the demolding efficiency and achieve the effect of rapid demolding, has become a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a forming tool for a porous composite product and a using method thereof, so as to solve the technical problems of difficult demoulding and low efficiency of the existing forming tool.
The invention provides a forming tool of a porous composite part, which comprises the following components: the punching assembly is provided with an upper die, a stripper plate and a lower die which are assembled from top to bottom in sequence; the upper die sequentially comprises the following components from top to bottom: the outer surface of the upper part of the upper die is the same as the inner surface of the workpiece, and a plurality of taper holes for the punching assembly to pass through are formed in the upper surface of the upper part of the upper die; the size of the middle part of the upper die is the same as that of the upper part of the upper die, and the peripheral size of the lower part of the upper die is larger than that of the middle part of the upper die and the upper part of the upper die; the lower die sequentially comprises the following components from top to bottom: the lower die comprises a lower die upper part and a lower die lower part, wherein the lower die upper part is provided with a plurality of mounting holes for mounting the punching assembly; the lower part of the lower die is matched with the lower part of the upper die in size; the stripper plate is arranged on the lower part of the upper die and is matched with the upper part of the lower die; when the stripper plate is ejected upwards, the parts are ejected together; the punch assembly includes: the conical thimble is connected with the jacking screw, the free end of the conical thimble is a taper pin with a pointed end, the middle section is a straight section, and the other end of the conical thimble is a frustum with a spherical surface; the taper pin is used for penetrating the workpiece, the spherical surface of the taper table is matched with the mounting hole at the upper part of the lower die, a gap is reserved between the straight section and the upper part of the lower die, and the taper thimble can swing at a small angle; the jacking screw is arranged below the frustum, the height of the conical thimble is adjusted by adjusting the jacking screw, and the conical thimble is in seamless close fit with the taper hole on the upper part of the upper die.
Compared with the prior art, the forming tool for the porous composite part has the following advantages:
When the forming tool for the porous composite material workpiece is used, the workpiece is firstly paved and formed on the upper surface of the upper die, then the upper die is arranged on the lower die, a vacuum bag is integrally manufactured at the moment, a conical thimble of a punching assembly arranged on the lower die penetrates through a conical hole of the upper die to puncture the workpiece, and then a round hole is formed on the workpiece; during demolding, the upper die is ejected out and separated from the lower die, and then the workpiece is taken out from the surface of the upper die by utilizing a stripper plate; and when the workpiece is demolded, the workpiece is ejected in one direction, and all normal conical ejector pins slightly swing through the spherical surface of the frustum and the gap between the straight section and the upper part of the lower die, so that the aim of simultaneously disengaging all normal conical ejector pins is fulfilled. In summary, compared with the existing forming tool, the forming tool for the porous composite product provided by the invention can realize the effect of simultaneously releasing a plurality of normal taper pins by demolding in one direction during demolding, so that the forming tool has the characteristics of simplicity in operation, high efficiency and the like.
The invention also provides a forming tool of the porous composite part, which comprises: the punching assembly is provided with an upper die, a stripper plate and a lower die which are assembled from top to bottom in sequence; the upper die is matched with the workpiece, a plurality of taper holes for the punching assembly to pass through are formed in the upper die, and a plurality of mounting holes for mounting the punching assembly are formed in the lower die; the punching assembly can swing at a small angle and is used for piercing the workpiece, and the workpiece is ejected together when the stripper plate is ejected upwards.
Wherein, go up the mould from top to bottom in proper order includes: the outer surface of the upper part of the upper die is the same as the inner surface of the workpiece, and a plurality of taper holes for the punching assembly to pass through are formed in the upper surface of the upper part of the upper die; the upper die middle part is the same as the upper die upper part in size, and the peripheral size of the upper die lower part is greater than the upper die middle part and the upper die upper part.
Specifically, the lower die sequentially comprises from top to bottom: the lower die comprises a lower die upper part and a lower die lower part, wherein the lower die upper part is provided with a plurality of mounting holes for mounting the punching assembly; the lower die lower portion is matched with the upper die lower portion in size.
Further, the stripper plate is mounted on the lower part of the upper die and is matched with the upper part of the lower die; when the stripper plate is ejected upward, the parts are ejected together.
Still further, the punch assembly includes: the conical ejector pin is matched with the mounting hole at the upper part of the lower die and used for penetrating the workpiece and can swing at a small angle; the jacking screw is used for adjusting the height of the conical thimble so that the conical thimble is in seamless close fit with the conical hole at the upper part of the upper die.
Still further, the punch assembly includes: the conical thimble is connected with the jacking screw, the free end of the conical thimble is a taper pin with a pointed end, the middle section is a straight section, and the other end of the conical thimble is a frustum with a spherical surface; the taper pin is used for penetrating the workpiece, the spherical surface of the taper table is matched with the mounting hole at the upper part of the lower die, a gap is reserved between the straight section and the upper part of the lower die, and the taper thimble can swing at a small angle; the jacking screw is arranged below the frustum, the height of the conical thimble is adjusted by adjusting the jacking screw, and the conical thimble is in seamless close fit with the taper hole on the upper part of the upper die.
Preferably, the plurality of taper holes and the plurality of mounting holes are each distributed in a matrix form.
The forming tool of the porous composite part has the same advantages as those of the forming tool of the porous composite part compared with the prior art, and the forming tool is not repeated here.
The invention further provides a using method of the forming tool of the porous composite material workpiece, the workpiece is firstly paved and formed on the upper surface of the upper die, then the upper die is arranged on the lower die, a vacuum bag is integrally manufactured at the moment, a conical thimble of a punching assembly arranged on the lower die penetrates through a conical hole of the upper die to pierce the workpiece, and a round hole is formed on the workpiece; and during demolding, the upper die is ejected out and separated from the lower die, and the workpiece is taken out from the surface of the upper die by utilizing a stripper plate.
When the workpiece is demolded, the workpiece is ejected in one direction, and all normal conical ejector pins are slightly swung through the spherical surface of the frustum and the clearance between the straight section and the upper part of the lower die, so that the demolding direction is adjusted, and the purpose that all normal conical ejector pins are simultaneously separated is realized.
The usage of the forming tool for the porous composite part has the same advantages as those of the forming tool for the porous composite part in comparison with the prior art, and the description is omitted here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a molding tool for a porous composite part according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper die in a forming tool for a porous composite part according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of a lower die in a molding tool for porous composite parts according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a punching assembly in a forming tool for a porous composite part according to an embodiment of the present invention;
Fig. 5 is a schematic diagram of a partial structure of a forming tool for a porous composite part in a use process according to an embodiment of the present invention.
In the figure: 1-a punching assembly; 2-upper die; 3-removing the template; 4-lower die; 21-upper part of the upper die; 22-the middle part of the upper die; 23-the lower part of the upper die; 211-taper holes; 41-upper part of lower die; 42-lower part of the lower die; 411-mounting holes; 11-a conical thimble; 12-tightening the screw; 111-taper pins; 112-straight section; 113-frustum.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a molding tool for a porous composite part according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of an upper die in a forming tool for a porous composite part according to an embodiment of the present invention; FIG. 3 is a schematic diagram of the structure of a lower die in a molding tool for porous composite parts according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a punching assembly in a tooling for forming a porous composite product according to an embodiment of the present invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a molding tool for a porous composite product, including: a punching assembly 1, an upper die 2, a stripper plate 3 and a lower die 4 which are assembled in sequence from top to bottom; the upper die 2 sequentially comprises from top to bottom: the upper die comprises an upper die upper part 21, an upper die middle part 22 and an upper die lower part 23, wherein the outer surface of the upper die upper part 21 is the same as the inner surface of a workpiece, and a plurality of taper holes 211 for the punching assembly 1 to pass through are formed in the upper surface of the upper die upper part 21; the upper die middle part 22 has the same size as the upper die upper part 21, and the peripheral size of the upper die lower part 23 is larger than that of the upper die middle part 22 and the upper die upper part 21; the lower die 4 sequentially comprises from top to bottom: a lower die upper portion 41 and a lower die lower portion 42, the lower die upper portion 41 being provided with a plurality of mounting holes 411 for mounting the punching assembly 1; the lower die lower portion 42 matches the size of the upper die lower portion 23; the stripper plate 3 is mounted on the upper die lower portion 23 and cooperates with the lower die upper portion 41; when the demolding plate 3 is ejected upwards, the workpiece is ejected together; the punching assembly 1 includes: the conical thimble 11 and the jacking screw 12 connected with the conical thimble 11, wherein the free end of the conical thimble 11 is a taper pin 111 with a pointed end, the middle section is a straight section 112, and the other end is a conical table 113 with a spherical surface; the taper pin 111 is used for penetrating a workpiece, the spherical surface of the taper table 113 is matched with the mounting hole 411 of the upper part 41 of the lower die, a gap is reserved between the straight section 112 and the upper part 41 of the lower die, and the taper thimble 11 can swing at a small angle; the jacking screw 12 is installed below the frustum 113, the height of the conical thimble 11 is adjusted by adjusting the jacking screw 12, and the conical thimble 11 is in seamless close fit with the conical hole 211 of the upper part 21 of the upper die.
Compared with the prior art, the forming tool for the porous composite part has the following advantages:
When the forming tool for the porous composite material workpiece provided by the embodiment of the invention is used, the workpiece is firstly paved and formed on the upper surface of the upper die 2, then the upper die 2 is arranged on the lower die 4, a vacuum bag is integrally manufactured at the moment, the conical ejector pins 11 of the punching assembly 1 arranged on the lower die 4 penetrate through the conical holes 211 of the upper die 2 to pierce the workpiece, and then round holes are formed on the workpiece; during demolding, the upper die 2 is ejected and separated from the lower die 4, and then the workpiece is taken out from the surface of the upper die 2 by utilizing the demolding plate 3; and when the workpiece is demolded, the workpiece is ejected in one direction, and all normal conical ejector pins 11 slightly swing through the spherical surface of the frustum 113 and the gap between the straight section 112 and the upper part 41 of the lower die, so that the demolding direction is adjusted, and the aim of simultaneously disengaging all normal conical ejector pins 11 is fulfilled. In summary, compared with the existing forming tool, the forming tool for the porous composite product provided by the embodiment of the invention can realize that the demoulding is performed in one direction during demoulding so as to achieve the effect of simultaneously disconnecting a plurality of normal taper pins, and therefore, the forming tool has the characteristics of simplicity in operation, high efficiency and the like.
The embodiment of the invention also provides a forming tool for the porous composite product, as shown in fig. 1, comprising: a punching assembly 1, an upper die 2, a stripper plate 3 and a lower die 4 which are assembled in sequence from top to bottom; the upper die 2 is matched with the workpiece, the upper die 2 is provided with a plurality of taper holes 211 for the punching assembly 1 to pass through, and the lower die 4 is provided with a plurality of mounting holes 411 for mounting the punching assembly 1; the punch assembly 1 can swing at a small angle and is used to pierce the part and the part is ejected together as the stripper plate 3 is ejected upward.
As shown in fig. 1 and fig. 2, the upper die 2 may include, in order from top to bottom: the upper die comprises an upper die upper part 21, an upper die middle part 22 and an upper die lower part 23, wherein the outer surface of the upper die upper part 21 is the same as the inner surface of a workpiece, and a plurality of taper holes 211 for the punching assembly 1to pass through are formed in the upper surface of the upper die upper part 21; the upper die middle part 22 has the same size as the upper die upper part 21, and the peripheral size of the upper die lower part 23 is larger than the upper die middle part 22 and the upper die upper part 21.
Specifically, as shown in fig. 1 in combination with fig. 2 and 3, the lower die 4 may include, in order from top to bottom: a lower die upper portion 41 and a lower die lower portion 42, the lower die upper portion 41 being provided with a plurality of mounting holes 411 for mounting the punching assembly 1; the lower die lower portion 42 matches the size of the upper die lower portion 23.
Further, as shown in fig. 1 in combination with fig. 2 and 3, the stripper plate 3 is mounted on the upper die lower portion 23 and cooperates with the lower die upper portion 41; when the stripper plate 3 is ejected upward, the parts are ejected together.
Still further, as shown in fig. 1 in combination with fig. 2 to 4, the punching assembly 1 may include: the conical thimble 11 and the jacking screw 12 connected with the conical thimble 11, the conical thimble 11 is matched with the mounting hole 411 of the upper part 41 of the lower die and used for penetrating a workpiece and can swing at a small angle; the jacking screw 12 is used for adjusting the height of the conical thimble 11 so that the conical thimble 11 is in clearance tight fit with the conical hole 211 of the upper part 21 of the upper die.
Still further, as shown in fig. 1 in combination with fig. 2 to 4, the punching assembly 1 may include: the conical thimble 11 and the jacking screw 12 connected with the conical thimble 11, wherein the free end of the conical thimble 11 is a taper pin 111 with a pointed end, the middle section is a straight section 112, and the other end is a conical table 113 with a spherical surface; the taper pin 111 is used for penetrating a workpiece, the spherical surface of the taper table 113 is matched with the mounting hole 411 of the upper part 41 of the lower die, a gap is reserved between the straight section 112 and the upper part 41 of the lower die, and the taper thimble 11 can swing at a small angle; the jacking screw 12 is installed below the frustum 113, the height of the conical thimble 11 is adjusted by adjusting the jacking screw 12, and the conical thimble 11 is in seamless close fit with the conical hole 211 of the upper part 21 of the upper die.
Preferably, as shown in fig. 1 to 3, the plurality of taper holes 211 and the plurality of mounting holes 411 may be respectively distributed in a matrix form; for example: may be in the form of a matrix of two rows and five columns (i.e., 2X 5).
Fig. 5 is a schematic diagram of a partial structure of a forming tool for a porous composite part in a use process according to an embodiment of the present invention.
As shown in fig. 1-4 and fig. 5, the embodiment of the invention further provides a method for using a forming tool for a porous composite material workpiece, wherein the workpiece is firstly paved and formed on the upper surface of an upper die 2, then the upper die 2 is installed on a lower die 4, a vacuum bag is integrally manufactured at the moment, a conical thimble 11 of a punching assembly 1 installed on the lower die 4 penetrates through a conical hole 211 of the upper die 2 to pierce the workpiece, and then a round hole is formed on the workpiece; during demolding, the upper die 2 is ejected and separated from the lower die 4, and then the workpiece is taken out from the surface of the upper die 2 by utilizing the demolding plate 3.
When the workpiece is demolded, the workpiece is ejected in one direction, and all normal conical ejector pins 11 slightly swing through the spherical surface of the frustum 113 and the gap between the straight section 112 and the upper part 41 of the lower die, so that the aim of simultaneously releasing all normal conical ejector pins 11 is fulfilled by adjusting the demolding direction.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (3)
1. The utility model provides a shaping frock of porous replica material finished piece which characterized in that includes: the punching assembly is provided with an upper die, a stripper plate and a lower die which are assembled from top to bottom in sequence;
The upper die is matched with the workpiece, a plurality of taper holes for the punching assembly to pass through are formed in the upper die, and a plurality of mounting holes for mounting the punching assembly are formed in the lower die; the punching assembly can swing at a small angle and is used for piercing the workpiece, and the workpiece is ejected together when the stripper plate is ejected upwards;
The upper die sequentially comprises the following components from top to bottom: the outer surface of the upper part of the upper die is the same as the inner surface of the workpiece, and a plurality of taper holes for the punching assembly to pass through are formed in the upper surface of the upper part of the upper die; the size of the middle part of the upper die is the same as that of the upper part of the upper die, and the peripheral size of the lower part of the upper die is larger than that of the middle part of the upper die and the upper part of the upper die;
The lower die sequentially comprises the following components from top to bottom: the lower die comprises a lower die upper part and a lower die lower part, wherein the lower die upper part is provided with a plurality of mounting holes for mounting the punching assembly; the lower part of the lower die is matched with the lower part of the upper die in size;
the stripper plate is arranged on the lower part of the upper die and is matched with the upper part of the lower die; when the stripper plate is ejected upwards, the parts are ejected together;
the punch assembly includes: the conical ejector pin is matched with the mounting hole at the upper part of the lower die and used for penetrating the workpiece and can swing at a small angle; the jacking screw is used for adjusting the height of the conical thimble so as to enable the conical thimble to be in seamless close fit with the conical hole at the upper part of the upper die;
The free end of the conical thimble is a conical pin with a pointed end, the middle section is a straight section, and the other end of the conical thimble is a conical table with a spherical surface; the taper pin is used for penetrating the workpiece, the spherical surface of the taper table is matched with the mounting hole at the upper part of the lower die, and a gap is reserved between the straight section and the upper part of the lower die; the jacking screw is arranged below the frustum;
The taper holes and the mounting holes are distributed in a matrix mode respectively.
2. The application method of the forming tool for the porous composite product is characterized in that the application is implemented by the forming tool for the porous composite product according to claim 1, the product is firstly paved and formed on the upper surface of an upper die, then the upper die is arranged on a lower die, a vacuum bag is integrally manufactured at the moment, a conical thimble of a punching assembly arranged on the lower die penetrates through a conical hole of the upper die to pierce the product, and a round hole is formed on the product;
and during demolding, the upper die is ejected out and separated from the lower die, and the workpiece is taken out from the surface of the upper die by utilizing a stripper plate.
3. The method of claim 2, wherein the molded part is ejected in one direction during demolding, and the tapered ejector pins in all normal directions are slightly swung through the spherical surface of the frustum and the clearance between the straight section and the upper part of the lower mold, so that the demolding direction is adjusted, and the purpose of simultaneously releasing the tapered ejector pins in all normal directions is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198123.9A CN108215246B (en) | 2018-03-09 | 2018-03-09 | Forming tool for porous composite part and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198123.9A CN108215246B (en) | 2018-03-09 | 2018-03-09 | Forming tool for porous composite part and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108215246A CN108215246A (en) | 2018-06-29 |
| CN108215246B true CN108215246B (en) | 2024-05-24 |
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| CN201810198123.9A Active CN108215246B (en) | 2018-03-09 | 2018-03-09 | Forming tool for porous composite part and using method thereof |
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| CN113146732B (en) * | 2020-04-03 | 2022-01-18 | 常州市新创智能科技有限公司 | I-shaped stringer punching process, equipment and punching mechanism thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2050540A1 (en) * | 1991-01-18 | 1992-07-19 | Jerry Arnold | Stripper cup insert and method making |
| US5268055A (en) * | 1991-10-31 | 1993-12-07 | Bales John L | Method for making perforated composite laminates |
| WO1997031772A1 (en) * | 1996-02-27 | 1997-09-04 | Sumitomo Chemical Company, Limited | Method of manufacturing composite |
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| FR3023504B1 (en) * | 2014-07-08 | 2017-01-13 | Airbus Operations Sas | TOOLING FOR THE PRODUCTION OF A COMPOSITE MATERIAL PART, A METHOD FOR PRODUCING A COMPOSITE MATERIAL PART USING THE TOOL AND A COMPOSITE MATERIAL PART THUS OBTAINED |
| US11466453B2 (en) * | 2015-01-23 | 2022-10-11 | United States Gypsum Company | Wallboard punch assembly with stripper bushings |
| US10780655B2 (en) * | 2015-10-28 | 2020-09-22 | The Boeing Company | Rotational tooling apparatus for layup and cure of composite stringers |
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| JP2017094344A (en) * | 2015-11-19 | 2017-06-01 | 昭和電工株式会社 | Molding method of forging product with hole |
| CN206605811U (en) * | 2016-07-15 | 2017-11-03 | 全耐塑料公司 | The protection equipment and the equipment of plug-in unit are installed with installing plug-in unit or the combination with mould |
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| CN108215246A (en) | 2018-06-29 |
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