CN112622116B - Flexible base body device for rapid construction of curved surface of mold cavity - Google Patents
Flexible base body device for rapid construction of curved surface of mold cavity Download PDFInfo
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- CN112622116B CN112622116B CN202011561343.7A CN202011561343A CN112622116B CN 112622116 B CN112622116 B CN 112622116B CN 202011561343 A CN202011561343 A CN 202011561343A CN 112622116 B CN112622116 B CN 112622116B
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 239000011159 matrix material Substances 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
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- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a flexible substrate device for quickly constructing a curved surface of a mold cavity. The device is formed by arranging a plurality of base body structures in an array mode, in each base body structure, the top end of a base body is installed at the top of the lower end of the base body, a square column shaft is arranged at the bottom of the lower end of the base body and sleeved in an inner cavity of a connecting plate in an axially movable mode, the connecting plate is used for butt joint between adjacent base body structures, a threaded screw rod is sleeved at the bottom of the connecting plate, the upper end of the threaded screw rod extends into the inner cavity of the connecting plate and a threaded hole in the lower end face of the square column shaft at the lower end of the base body, the lower end of the threaded screw rod is connected with a rotary driving source, and a stop ring is detachably installed at the bottom of the connecting plate. The invention has the advantages of convenient and simple operation, capability of realizing rapid construction of the curved surface of the die cavity and rapid replacement of the local structure, flexible manufacturing characteristic and reduction of the manufacturing period and cost of the die.
Description
Technical Field
The invention relates to a base device with a curved surface structure, in particular to a flexible base device for quickly constructing a curved surface of a mold cavity, which is a quick molding device for small-batch, diversified and personalized products.
Background
The traditional die production is usually characterized by small production batch and single-piece production, generally comprises the steps of die blanking, machining, assembling, die testing, die repairing and the like, the production process is complex, the processing period is long, and each pair of dies can only produce parts with specific shapes, sizes and precision.
Under the current 'internet plus' manufacturing environment, personalized and customized products are more and more in demand, and the traditional die manufacturing technology is difficult to be suitable for diversified and small-batch rapid production scenes; when the local structure of the product is changed individually or the local structure of the die cavity is worn, the whole die needs to be replaced and manufactured again, so that the production cycle is long, the manufacturing cost is high, and the maintenance is complex and the cost is high. The traditional mould manufacturing can not meet the small-batch, diversified and quick response requirements of personalized and customized products under the current Internet manufacturing environment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a flexible substrate device for quickly constructing a curved surface of a mold cavity. The flexible substrate device is used for constructing the curved surface of the mold cavity, the modularized substrate structure is quickly spliced and installed to form an initial surface, and the initial surface is machined and imaged, so that the advantages of quick and accurate construction, easy replacement and low replacement and maintenance cost can be realized at the same time, and the whole mold does not need to be manufactured again.
The technical scheme adopted by the invention is as follows:
the matrix structure mainly comprises a plurality of matrix structure arrays, peripheral frames are arranged around the matrix structure arrays to form a stable integral structure, each matrix structure comprises a matrix top end, a matrix lower end, fastening screws, a connecting plate, a threaded screw rod and a stop ring, the matrix top end is connected and installed at the top of the matrix lower end through the fastening screws, a square column shaft is arranged at the bottom of the matrix lower end and sleeved in an inner cavity of the connecting plate in an axially movable mode, the connecting plate is used for butt joint between adjacent matrix structures, the threaded screw rod is sleeved at the bottom of the connecting plate, the upper end of the threaded screw rod extends into the inner cavity of the connecting plate and then is connected with a threaded hole in the lower end face of the matrix lower end square column shaft, the lower end of the threaded screw rod is connected with a rotary driving source, and the stop ring is detachably installed at the bottom of the connecting plate.
The connecting plate is divided into an upper block body and a lower cylinder, the upper block body and the lower cylinder are coaxially connected, an inner cavity is formed in the connected inner portion, the shape and the size of the upper block body are consistent with those of the lower end of the base body, and a square column shaft at the lower end of the base body extends into the inner cavity of the lower cylinder.
The top end of the base body and the lower end of the base body are both of a square column structure.
The base body top pass through mortise-tenon joint structure cartridge to base body lower extreme, and be equipped with the screw hole at the mutual cartridge position's of base body top and base body lower extreme base bottom lateral wall, fastening screw pass behind the screw hole sticiss and be connected to base body top side for the base body top is fixed mounting in the base body lower extreme.
The side of the threaded screw rod is provided with strip-shaped grooves which are arranged along the axial direction, the strip-shaped grooves at the lower end are provided with annular grooves along the circumferential direction, the surfaces of the annular grooves are provided with external threads, the inner circumferential surface of the stop ring is provided with protrusions matched with the strip-shaped grooves, the inner sides of the protrusions are provided with internal threads matched with the external threads at the annular grooves, the protrusions are connected with the external threads of the annular grooves after passing through the strip-shaped grooves, the stop ring is inserted into the connecting plate, the stop ring and the threaded screw rod are installed in an axial limiting and circumferential limiting matched mode, and the threaded screw rod cannot rotate.
The symmetrical both sides of gusset plate be equipped with horizontal recess and horizontal sand grip respectively, current substrate structure's gusset plate is fixed with the horizontal sand grip and the horizontal recess looks gomphosis of gusset plate in the adjacent substrate structure respectively through the horizontal recess and the horizontal sand grip of self for closely assemble the connection between adjacent substrate structure.
The top surfaces of the top ends of the basal bodies of the basal body structures are connected to form a combined surface for quickly constructing the curved surface of the die cavity, and the combined surface is machined to obtain the curved surface of the die cavity.
The base structure has specific multiple section dimension specifications; in the base structure with the same section specification, the section dimension specifications of the top end of the base, the lower end of the base and the connecting plate on the XOY surface are the same.
The top end of the base body has multiple specific height dimension specifications in the axial direction, the lower end of the base body has one fixed height dimension specification in the axial direction, and the top ends of the base bodies with different height specifications are matched with the lower end of the base body.
Compared with the prior art, the invention has the beneficial effects that:
according to the flexible substrate device, the top end of the substrate is fixed with the lower end of the corresponding substrate through threaded connection, and the top end of the substrate can be processed, replaced and rapidly disassembled, so that the flexible substrate device has the characteristic of flexible manufacturing.
After the base body is connected and fixed with the peripheral frame through the connecting plate, the threaded screw rod performs spiral transmission to drive the top end of the base body to perform height adjustment, and the top end of the base body is machined according to the shape of the curved surface of the cavity to form a target curved surface, so that the rapid structure of the curved surface of the cavity is completed.
For cavity curved surfaces with different shapes, the quick structure of the cavity curved surface can be completed only by adjusting the lower end of the base body and the top end of the base body and then dynamically adjusting the shape of the base body, the process is simple, the operation is convenient, and the method is suitable for diversified, personalized and customized requirements under the current Internet plus manufacturing environment. Compared with the traditional die manufacturing, the method has great advantages in the aspects of improving the product flexibility, reducing the product manufacturing period and reducing the product cost compared with the traditional die manufacturing.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a schematic view of a flexible matrix apparatus for rapid construction of a curved surface of a mold cavity according to the present invention;
FIG. 2 is a schematic diagram of a base structure of the flexible base device for rapid construction of a curved surface of a mold cavity according to the present invention;
FIG. 3 is a schematic view of the connection between the top end of the substrate and the bottom end of the substrate of the flexible substrate device for rapid construction of curved surfaces of a mold cavity according to the present invention;
FIG. 4 is a schematic cross-sectional view of the base structure of the flexible base device for rapid construction of curved surfaces of a mold cavity according to the present invention;
FIG. 5 is a schematic diagram of the height specification of the substrate tip of the flexible substrate device for rapid fabrication of curved surfaces of a mold cavity according to the present invention;
FIG. 6 is a schematic cross-sectional view of a flexible substrate apparatus for rapid fabrication of a curved surface of a mold cavity according to the present invention.
In the figure, a base top end 1, a base lower end 2, a fastening screw 3, a connecting plate 4, a threaded screw rod 5, a stop ring 6 and a peripheral frame 7.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise specifically defined and limited, the term "fixing" should be interpreted broadly, and for example, may be a bolt fastening, a rivet fastening, a welding fastening, or the like. The meaning of the above terms in the present invention can be specifically understood by those of ordinary skill in the art. Further, in the description of the present invention, "plural" means two or more unless otherwise specified.
As shown in fig. 1, the flexible substrate device is mainly composed of a plurality of substrate structures arranged in an array, and a peripheral frame 7 is installed around the substrate structures arranged in an array to form a stable integral structure.
As shown in figure 2, each base structure comprises a base top end 1, a base lower end 2, a fastening screw 3, a connecting plate 4, a threaded screw rod 5 and a stop ring 6, wherein the base top end 1 is connected and installed at the top of the base lower end 2 through the fastening screw 3, a square column shaft is arranged at the bottom of the base lower end 2 and is axially movably sleeved in a square inner cavity of the connecting plate 4, the square column shaft and the square inner cavity are matched to form circumferential limit, the connecting plate 4 is used for butt joint between adjacent matrix structures, a threaded screw rod 5 is sleeved at the bottom of the connecting plate 4, the upper end of the threaded screw rod 5 extends into the inner cavity of the connecting plate 4 and then is connected with a threaded hole in the lower end face of the square column shaft at the lower end 2 of the matrix, the lower end of the threaded screw rod 5 is connected with a rotary driving source, the rotary driving source can be a motor or the like, the lower end 2 of the matrix is embedded in the connecting plate 4, and the stop ring 6 is detachably and fixedly installed at the bottom of the connecting plate 4.
As shown in fig. 6, a bar-shaped groove arranged along the axial direction is formed in the side surface of the threaded lead screw 5, an annular groove arranged along the circumferential direction is formed at the tail end of the bar-shaped groove, external threads are formed in a part of the annular groove, a protrusion matched with the bar-shaped groove is formed in the inner peripheral surface of the stop ring 6, internal threads matched with the external threads at the annular groove are formed in the inner side of the protrusion, after the protrusion passes through the bar-shaped groove, the protrusion internal threads are connected with the external threads of the annular groove, the stop ring 6 abuts against the connecting plate 4 and applies a certain pretightening force, and further, a friction force generated between the internal threads and the external threads forms the axial limiting and circumferential limiting matched installation of the stop ring 6 and the threaded lead screw 5 under the action of the friction force, so that the threaded lead screw 5 cannot rotate.
As shown in FIG. 3, the top end 1 and the lower end 2 of the base body are both square column structures. The shapes and the sizes of the radial sections of the top end 1 and the lower end 2 of the base body are respectively consistent, which is beneficial to the close assembly and connection of the base bodies, and the top end 1 and the lower end 2 of the base body jointly form the base body through the connection of the fastening screws 3. Base member top 1 is through mortise and tenon structure cartridge to base member lower extreme 2, and is equipped with the screw hole at the lateral wall at the mutual cartridge position of base member top 1 and base member lower extreme 2, and fastening screw 3 sticiss after passing the screw hole and is connected to 1 side in base member top for base member top 1 is by fixed mounting in base member lower extreme 2, makes base member top 1 install on base member lower extreme 2 through fastening screw 3 fast replaceably like this. The base top end 1 can be quickly replaced on the corresponding base lower end 2 through the fastening screws 3, and when the local structure of the mold is damaged or needs to be redesigned, the local structure of the mold can be quickly replaced through quick replacement of the base top end 1, so that the reuse of other parts of the base is facilitated. In addition, in order to reduce the machining allowance of the base top end 1 in the time of performing the curved surface machining and trimming and to save the cost, the base top end 1 has a plurality of specific height dimension specifications and needs to be selected according to the shape of the curved surface of the cavity.
As shown in fig. 2 and 6, the connecting plate 4 is divided into an upper block and a lower cylinder, the upper block and the lower cylinder are coaxially connected, an inner cavity is formed in the connected inner part, the upper end and the lower end of the inner cavity are opened, the shape and the size of the upper block are consistent with those of the lower end 2 of the base body, a square column shaft of the lower end 2 of the base body extends into the inner cavity of the lower cylinder, and the upper end of the threaded screw rod 5 extends into the inner cavity of the lower cylinder from the lower end opening of the inner cavity.
As shown in fig. 1, the two symmetrical sides of the connecting plate 4 are respectively provided with a horizontal groove and a horizontal raised line, the connecting plate 4 of the current base structure is respectively embedded and fixed with the horizontal raised line and the horizontal groove of the connecting plate 4 of the adjacent base structure through the horizontal groove and the horizontal raised line of the connecting plate 4 of the adjacent base structure, so that the adjacent base structures are closely spliced and connected, and finally, the peripheral frame 7 fixes the plane positions of all the bases connected by the connecting plates 3 of all the base structures. All bases in the device are mutually connected through the grooves and the raised lines of the respective connecting plates 4, the purpose is to realize tight arrangement between the bases, the condition that the surface quality of a product is poor due to the gaps between the bases is prevented, further, the arranged bases are fixedly connected through the peripheral frame 7, and the whole structure is basically finished.
In this way, the base body top 1 is fixed to the base body bottom 2, and the base body bottom 2 can drive the base body top 1 to move together. The external thread on the top of the threaded screw rod 5 is connected with the internal thread on the bottom of the lower end 2 of the base body, the threaded screw rod 5 only rotates, and correspondingly, the top end 1 of the base body only moves. The lower base body end 2 is inserted into the connecting plate 4 in such a way that it can only move axially along the inner bore of the connecting plate 4. When the base body reaches the preset height, the stop ring 6 is embedded in the groove of the threaded screw rod 5 and can be fixed at the lower end of the connecting plate 4 to lock the threaded screw rod 5 and prevent the base body from being adjusted continuously in the axial direction.
As shown in fig. 4 and 5, the embodied base structure has various specifications. The base structure has specific various section dimension specifications; in the base structure with the same section specification, the section dimension specifications of the base top end 1, the base lower end 2 and the connecting plate 4 on an XOY plane are the same. The XOY plane is a plane parallel to the parting plane of the mold. The base top end 1 has multiple specific height dimension specifications in the axial direction, the base lower end 2 has one fixed height dimension specification in the axial direction, and the base top ends 1 with different height specifications are matched with the base lower end 2.
During installation, the top end 1 of the base body is connected with the lower end 2 of the base body through a fastening screw 4, the square column shaft of the lower end 2 of the base body is embedded in a connecting plate 3, the upper end of a threaded screw rod 5 extends into an inner cavity of the connecting plate 4 and then is matched with a threaded hole in the lower end face of the square column shaft of the lower end 2 of the base body, a stop ring 6 is sleeved at the bottom of the threaded screw rod 5, and after all base body structures are combined, an external frame 7 is used for fixing the base body structures.
The screw lead screw 5 carries out screw drive, and the cooperation of square column axle and square inner chamber is spacing to convert rotary motion into linear motion and drive base member lower extreme 2 and produce the displacement in axial (Z direction), realizes base member height control and accurate location in the axial, and is further, utilizes and uses retaining ring 6 locking screw lead screw 5, fixes base member axial position.
After the height adjustment and the accurate positioning of all base bodies in the axial direction in the device are completed, the top surfaces of the top ends 1 of the base bodies of a plurality of base body structures are connected to form a combined surface for the rapid construction of the curved surface of the die cavity, and the combined surface is machined to obtain the curved surface of the die cavity. Specifically, the top surfaces of the integrally constructed multiple substrate top ends 1 are machined according to the curved surface shape of the mold cavity to form a target curved surface. And further, rapidly constructing the curved surface of the die cavity.
It is to be understood that the term "Z-direction" refers to the direction of motion of a single substrate during dynamic profiling; the terms of the grooves and the convex strips are structures distributed on two sides of the connecting plate 4, and the grooves and the convex strips can be matched with each other to achieve the purposes of fixing the connecting plate 4 and no space between the matrixes.
Therefore, the method is convenient and simple to operate, can realize the rapid construction of the curved surface of the die cavity and the rapid replacement of the local structure, has the characteristic of flexible manufacturing, and reduces the manufacturing period and the cost of the die.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the above-described contents, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a flexible base member device that is used for quick structure of mould die cavity curved surface which characterized in that:
the matrix structure mainly comprises a plurality of matrix structure arrays, a peripheral frame (7) is arranged around the matrix structure arrays to form a stable integral structure, each matrix structure comprises a matrix top end (1), a matrix lower end (2), fastening screws (3), a connecting plate (4), a threaded screw rod (5) and a stop ring (6), the matrix top ends (1) are connected and installed at the tops of the matrix lower ends (2) through the fastening screws (3), a square column shaft is arranged at the bottom of the matrix lower end (2) and sleeved in an inner cavity of the connecting plate (4) in an axially movable manner, the connecting plate (4) is used for butt joint between adjacent matrix structures, the threaded screw rod (5) is sleeved at the bottom of the connecting plate (4), the upper end of the threaded screw rod (5) extends into the inner cavity of the connecting plate (4) and then is connected with a threaded hole in the lower end face of the square column shaft of the matrix lower end (2), and the lower end of the threaded screw rod (5) is connected with a rotary driving source, the stop ring (6) is detachably arranged at the bottom of the connecting plate (4);
the base body top end (1) is inserted to the base body lower end (2) through a mortise and tenon structure, a threaded hole is formed in the side wall of the base body lower end (2) at the position where the base body top end (1) and the base body lower end (2) are inserted, and the fastening screw (3) penetrates through the threaded hole and then is tightly pressed and connected to the side face of the base body top end (1), so that the base body top end (1) is fixedly installed at the base body lower end (2);
the connecting plate (4) is divided into an upper block body and a lower cylinder, the upper block body and the lower cylinder are coaxially connected, an inner cavity is formed in the connected inner part, the shape and the size of the upper block body are consistent with those of the lower end (2) of the base body, and a square column shaft of the lower end (2) of the base body extends into the inner cavity of the lower cylinder;
the connecting plate (4) symmetry both sides be equipped with horizontal recess and horizontal sand grip respectively, current substrate structure's connecting plate (4) are fixed with the horizontal sand grip and the gomphosis of horizontal recess of connecting plate (4) in adjacent substrate structure mutually through the horizontal recess and the horizontal sand grip of self respectively for closely assemble the connection between adjacent substrate structure.
2. The flexible base device for the rapid curved surface construction of the mold cavity according to claim 1, wherein: the top end (1) of the base body and the lower end (2) of the base body are both of a square column structure.
3. The flexible base device for the rapid curved surface construction of the mold cavity according to claim 1, wherein: the side of the threaded screw rod (5) is provided with strip-shaped grooves arranged along the axial direction, the strip-shaped grooves at the lower end are provided with annular grooves along the circumferential direction, the surfaces of the annular grooves are provided with external threads, the inner peripheral surface of the stop ring (6) is provided with protrusions matched with the strip-shaped grooves, the inner sides of the protrusions are provided with internal threads matched with the external threads at the annular grooves, after the protrusions pass through the strip-shaped grooves, the internal threads of the protrusions are connected with the external threads of the annular grooves, the stop ring (6) is inserted into the connecting plate (4), the axial limiting and circumferential limiting matched installation of the stop ring (6) and the threaded screw rod (5) is formed, and the threaded screw rod (5) cannot rotate.
4. The flexible base device for the rapid curved surface construction of the mold cavity according to claim 1, wherein: the top surfaces of the top ends (1) of the basal bodies of the basal body structures are connected to form a combined surface for the rapid construction of the curved surface of the die cavity, and the combined surface is machined to obtain the curved surface of the die cavity.
5. The flexible base device for the rapid curved surface construction of the mold cavity according to claim 1, wherein: the base structure has specific multiple section dimension specifications; in the base structure with the same section specification, the section dimension specifications of the base top end (1), the base lower end (2) and the connecting plate (4) on an XOY plane are the same.
6. The flexible base device for the rapid curved surface construction of the mold cavity according to claim 1, wherein: the base body top end (1) has multiple specific height dimension specifications in the axial direction, the base body lower end (2) has one fixed height dimension specification in the axial direction, and the base body top ends (1) with different height specifications are matched with the base body lower end (2).
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| CN202011561343.7A CN112622116B (en) | 2020-12-25 | 2020-12-25 | Flexible base body device for rapid construction of curved surface of mold cavity |
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| CN202011561343.7A CN112622116B (en) | 2020-12-25 | 2020-12-25 | Flexible base body device for rapid construction of curved surface of mold cavity |
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| CN112622116A CN112622116A (en) | 2021-04-09 |
| CN112622116B true CN112622116B (en) | 2022-04-08 |
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| TWI765685B (en) * | 2021-04-29 | 2022-05-21 | 瑞皇精密工業股份有限公司 | Mould structure with fast replacement of mould core |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205851786U (en) * | 2016-07-01 | 2017-01-04 | 上海汇众汽车车桥***有限公司 | A kind of assembling die of fast changeable die cavity |
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| CN101219454B (en) * | 2008-01-23 | 2010-08-25 | 北京航空航天大学 | Combined shape adjusting unit of reconfiguration flexible mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205851786U (en) * | 2016-07-01 | 2017-01-04 | 上海汇众汽车车桥***有限公司 | A kind of assembling die of fast changeable die cavity |
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