CN114872277B - Injection mold for outer layer of blank and preparation method thereof - Google Patents
Injection mold for outer layer of blank and preparation method thereof Download PDFInfo
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- CN114872277B CN114872277B CN202210326926.4A CN202210326926A CN114872277B CN 114872277 B CN114872277 B CN 114872277B CN 202210326926 A CN202210326926 A CN 202210326926A CN 114872277 B CN114872277 B CN 114872277B
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- outer layer
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- circulating water
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1759—Removing sprues from sprue-channels
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the field of injection mold preparation, and particularly relates to an injection mold for an outer layer of a blank and a preparation method thereof. The injection mold comprises a male mold and a female mold which are matched with each other, wherein the male mold comprises a main body plate, and an upper substrate and a lower substrate are respectively fixed on the upper part and the lower part of the front side of the main body plate; the upper part of the front side of the lower base plate is provided with a first groove which is matched with the outer layer to be injection molded of the blank; the front end of the upper base plate is provided with a protruding block, the protruding block is provided with a through hole, and the upper part of the through hole is movably connected with first lifting blocks which are vertically distributed; a third hydraulic cylinder is arranged at the rear side of the lower part of the main body plate; the front end of the third hydraulic cylinder is fixed with a second horizontal rod, and the main body plate and the lower base plate are provided with first through holes. The die and the method realize automatic injection molding of the outer layer of the blank, have high success rate, save manpower and reduce cost.
Description
Technical Field
The invention belongs to the field of injection mold preparation, and particularly relates to an injection mold for an outer layer of a blank and a preparation method thereof.
Background
For many injection molding parts, after the blank substrate is finished, a layer of plastic handle outer layer of the blank substrate needs to be added, for example, a hammer handle is often added on the plastic handle outer layer of the blank substrate, and the outer layer can be made of other materials to ensure the product quality, can be provided with patterns, provides attractive appearance and is convenient to hold. The addition of the outer layer lacks special equipment, is troublesome to operate and has low success rate.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the injection mold for the outer layer of the blank and the preparation method thereof, which realize automatic injection molding of the outer layer of the blank, and have the advantages of high success rate, labor saving and cost reduction.
In one aspect, the invention provides an injection mold for an outer layer of a blank: the male die comprises a main body plate, wherein an upper base plate and a lower base plate are respectively fixed on the upper part and the lower part of the front side of the main body plate;
the upper part of the front side of the lower base plate is provided with a first groove which is matched with the outer layer to be injection molded of the blank;
the rear side of the main body plate is connected with a second hydraulic cylinder, and a piston rod of the second hydraulic cylinder penetrates through the main body plate and drives the upper base plate to move forwards and backwards in the horizontal direction;
the front end of the upper base plate is provided with a protruding block, the protruding block is provided with a through hole, and the upper part of the through hole is movably connected with first lifting blocks which are vertically distributed; the bottom of the first lifting block is fixed with a lifting rod, the lifting rod is inserted into the through hole, and when the lifting rod descends to the bottommost part, the bottom of the lifting rod is positioned in the first groove; the upper part of the first lifting block is connected with a first hydraulic cylinder;
the front side of the lower substrate is provided with a second groove which is communicated with the first groove; a third hydraulic cylinder is arranged at the rear side of the lower part of the main body plate; the second horizontal rod is fixed with in the third pneumatic cylinder front end, has first perforation on main part board and the lower base plate, and when the second horizontal rod was in the state of stretching forward, the second horizontal rod passed first perforation, and the second horizontal rod front end is located the second recess, and preferred second recess adopts the arc, and the second horizontal rod has three, and first perforation corresponds the setting three.
The second horizontal rod plugs the first through hole when the blank is molded, the third hydraulic cylinder drives the second horizontal rod to move back and forth, when the outer layer of the blank is molded, after the blank is taken down, the third hydraulic cylinder drives the second horizontal rod to move forward, residual slurry in the second groove is ejected out, and the blocking of the next grouting operation is avoided.
The scheme is further improved, and the lower part of the front side of the lower substrate is movably connected with a second lifting block;
a guide rod is fixed at the bottom of one side of the female die, which is close to the male die, and is obliquely downwards arranged; the second lifting block is provided with a blind hole which is obliquely downwards arranged, when the female die is attached to the male die, the guide rod is fixed, and when the second lifting block moves forwards, the second lifting block drives the blind hole to move upwards, and the guide rod is gradually inserted into the blind hole. By adopting the technical scheme, the second lifting block automatically moves up and down, the operation is more convenient and efficient, the clamping groove can be formed in the lower substrate, the second lifting block is correspondingly provided with the clamping block matched with the clamping groove, and the second lifting block can move up and down stably.
According to the scheme, for the surface of the female die, which is opposite to the male die, the upper side of the female die is provided with a fourth groove matched with the second lifting block, and the middle part of the female die is provided with a fifth groove and a sixth groove matched with the shape of the outer layer to be injection molded on the other side of the blank; the fifth groove is communicated with the sixth groove and the grouting hole on the female die, and when the female die is jointed with the male die, the fifth groove is jointed with the edge of the second groove, and the sixth groove is jointed with the edge of the first groove; the lower part of the female die is provided with a seventh groove matched with the second lifting block.
According to the scheme, the female die is further improved, the first circulating water through holes which are horizontally distributed and the second circulating water through holes which are longitudinally distributed are formed in the female die, the second circulating water through holes are communicated with the first circulating water through holes, the first circulating water through holes penetrate through the side wall of the female die and then are communicated with the outside, and one end of each second circulating water through hole is close to the sixth groove. By adopting the technical scheme, the full cooling of the die is ensured, and the second circulating water through hole is communicated with the first circulating water through hole, so that the cost is reduced.
According to the scheme, the lower substrate is further improved, third circulating water through holes which are horizontally distributed and fourth circulating water through holes which are longitudinally distributed are formed in the lower substrate, the fourth circulating water through holes are communicated with the third circulating water through holes, the third circulating water through holes penetrate through the side wall of the lower substrate and then are communicated with the outside, and one end of each fourth circulating water through hole is close to the first groove.
According to the scheme, the four corners of the lower base plate are respectively provided with a seventh groove, the front end of the third hydraulic cylinder is also fixed with a first horizontal rod, and the first horizontal rod can move back and forth along the seventh grooves. Because the second horizontal rod is very thin, and needs to be ejecting with remaining shaping thick liquids, adopts this technical scheme, guarantees the stationarity of second horizontal rod back-and-forth movement.
This scheme is further improved, and the outside of first horizon bar winds has the spring coil. By adopting the technical scheme, the buffer effect is achieved when the second horizontal rod moves.
This scheme is further improved, and first recess has two, and the lifter has two, and two lifters correspond respectively with first recess and place. By adopting the technical scheme, the working efficiency can be improved, and the outer layer injection molding processing of two blanks can be completed at one time.
In another aspect, the invention provides a method for preparing an injection mold for an outer layer of a blank, comprising the steps of:
(1) Firstly, a first hydraulic cylinder drives a first lifting block to drive a lifting rod to move downwards, a blank is inserted onto the lifting rod through a middle hole of the blank, and a second hydraulic cylinder drives an upper base plate to drive the blank to move backwards into a first groove;
(2) The main driving device drives the male die to move towards the female die, at the moment, the guide rod of the female die contacts with the blind hole on the second lifting block, and as the guide rod is obliquely downwards arranged, the second lifting block gradually moves upwards along with the approach of the male die to the female die, and finally the upper part of the second lifting block is attached to the bottom of the blank;
(3) Injecting a proper amount of slurry into the grouting hole through the second groove, enabling the slurry to enter the first groove and the sixth groove through the fifth groove, opening circulating water, cooling the whole die, filling the slurry into gaps between the blank and the first groove and between the blank and the sixth groove, and performing injection molding outside the blank according to the shapes of the first groove and the sixth groove;
(4) The main hydraulic cylinder drives the male die to be far away from the female die, and the second lifting block moves downwards along with the male die and is separated from the bottom of the blank of the outer layer after injection molding;
(5) The second hydraulic cylinder drives the upper base plate, so that the blank piece of the outer layer after injection molding is driven to move forwards and away from the first groove; the first hydraulic cylinder drives the first lifting block to drive the lifting rod to move upwards, and the blank of the outer layer after injection molding is blocked by the protruding block when rising and is separated from the lifting rod;
(6) The third hydraulic cylinder drives the second horizontal rod to move forward, the second horizontal rod ejects residual materials in the second groove, and then the third hydraulic cylinder drives the second horizontal rod to retract and restore to the original shape.
The invention has the beneficial effects that:
(1) The invention provides a die for increasing the outer layer of a blank substrate, which has high degree of automation, can rapidly realize the outer layer reprocessing of the blank, and further improves the performance of an object.
(2) The upper substrate of the die can move back and forth and drive the first lifting block to move up and down and back and forth, so that rapid fixing, forming and separating of blanks needing to be added with an outer layer can be realized.
(3) The mold is provided with the second horizontal rod, so that residual grouting molding materials can be ejected out after injection molding is completed, and the blocking of grouting materials and pollution to other objects during molding are avoided.
(4) The second lifting block of the die can be matched with the guide rod to realize automatic lifting, so that the operation is simple, the operation safety is improved, and the laminating degree of the male die and the female die is ensured.
(5) The preparation method is reasonable in design and simple to operate, and can ensure the product quality and improve the qualification rate.
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 required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the male die of the present invention (the blank to be applied with the outer layer is placed in the first groove).
Fig. 3 is a schematic view of the overall structure of the male die of the present invention (the blank to be applied with the outer layer is not placed in the first groove).
Fig. 4 is a side view of the overall structure of the male die of the present invention.
Fig. 5 is a structural view showing the connection of the body board and the upper substrate.
Fig. 6 is a diagram showing the structure of the second lifting block of the male die after being removed.
Fig. 7 is a schematic structural diagram of a second lifting block according to the present invention.
Fig. 8 is a schematic structural diagram of a first lifting block according to the present invention.
FIG. 9 is a schematic diagram of a master mold structure of the present invention.
Fig. 10 is a schematic view showing a connection structure of the second horizontal bar and the main body plate according to the present invention.
FIG. 11 is a schematic view showing the connection structure between the first circulating water through hole, the second circulating water through hole and the female mold. (for clarity of illustration of the components, the master model is hollow as a whole and the actual interior is solid)
Fig. 12 is a schematic view showing a connection structure between the third circulating water through hole, the fourth circulating water through hole and the male mold according to the present invention. (for clarity of illustration of the components, the male mold is hollow in its entirety, and the actual interior is solid)
In the figure, 1, a main body plate, 2, a first groove, 3, an upper base plate, 4, a lower base plate, 5, a first horizontal rod, 6, a convex block, 7, a first lifting block, 8, a lifting rod, 9, a second hydraulic cylinder, 10, a second lifting block, 11, a guide rod, 12, a blind hole, 13, a second groove, 14, a grouting hole, 15, a second horizontal rod, 16, a first through hole, 17, a first circulating water through hole, 18, a second circulating water through hole, 19, a third circulating water through hole, 20 and a fourth circulating water through hole; 21. fourth groove, 22, fifth groove, 23, sixth groove, 24, blank, 25, seventh groove.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
For clarity of description, the opposite sides of the male and female mold are referred to as the respective front orientations.
Example 1
The injection mold for the outer layer of the blank comprises a male mold and a female mold which are matched with each other, wherein the male mold comprises a main body plate 1, and an upper substrate 3 and a lower substrate 4 are respectively fixed on the upper part and the lower part of the front side of the main body plate;
the upper part of the front side of the lower base plate 4 is provided with a first groove 2 which is matched with the shape of the outer layer of the blank to be injection molded;
the rear side of the main body plate 1 is connected with a second hydraulic cylinder 9, and a piston rod of the second hydraulic cylinder penetrates through the main body plate and drives the upper base plate to move forwards and backwards in the horizontal direction;
the front end of the upper base plate 3 is provided with a protruding block 6, the protruding block is provided with a through hole, and the upper part of the through hole is movably connected with a first lifting block 7 which is vertically distributed; the bottom of the first lifting block is fixed with a lifting rod 8, the lifting rod is inserted into the through hole, and when the lifting rod 8 descends to the bottommost part, the bottom of the lifting rod is positioned in the first groove 2; the upper part of the first lifting block 7 is connected with a first hydraulic cylinder;
the front side of the lower base plate 4 is provided with a second groove 13 which is communicated with the first groove; a third hydraulic cylinder is arranged at the rear side of the lower part of the main body plate; the front end of the third hydraulic cylinder is fixed with a second horizontal rod 15, the main body plate and the lower base plate are provided with first through holes 16, when the second horizontal rod is in a forward extending state, the second horizontal rod passes through the first through holes, and the front end of the second horizontal rod is positioned in the second groove.
Example 2:
on the basis of the embodiment 1, a second lifting block 10 is movably connected to the lower part of the front side of the lower substrate;
a guide rod 11 is fixed at the bottom of one side of the female die, which is close to the male die, and is obliquely downwards arranged; the second lifting block is provided with a blind hole 12 which is arranged obliquely downwards, and when the female die and the male die are attached together, the guide rod is gradually inserted into the blind hole.
For the surface of the female die, which is opposite to the male die, the upper side is provided with a fourth groove 21 matched with the second lifting block, and the middle part is provided with a fifth groove 22 and a sixth groove 23 matched with the shape of the outer layer to be injection molded on the other side of the blank; the fifth groove is communicated with the sixth groove and the grouting hole 14 on the female die, and when the female die is jointed with the male die, the fifth groove is jointed with the edge of the second groove, and the sixth groove is jointed with the edge of the first groove; the lower part of the female die is provided with a seventh groove 25 matched with the second lifting block.
The female die is provided with a first circulating water through hole 17 which is horizontally distributed and a second circulating water through hole 18 which is longitudinally distributed, the second circulating water through hole is communicated with the first circulating water through hole, the first circulating water through hole is communicated with the outside after penetrating through the side wall of the female die, and one end of the second circulating water through hole is close to the sixth groove 23.
The lower substrate is provided with third circulating water through holes 19 which are horizontally distributed and fourth circulating water through holes 20 which are longitudinally distributed, the fourth circulating water through holes are communicated with the third circulating water through holes, the third circulating water through holes are communicated with the outside after penetrating through the side wall of the lower substrate, and one end of each fourth circulating water through hole is close to the first groove.
The four corners of the lower base plate are respectively provided with a seventh groove, the front end of the third hydraulic cylinder is also fixed with a first horizontal rod 5, and the first horizontal rod 5 can move back and forth along the seventh grooves.
The first horizontal bar 5 is externally wound with a spring ring (not shown in the drawings).
The number of the first grooves 2 is two, the number of the lifting rods 8 is two, and the two lifting rods 8 are respectively arranged corresponding to the first grooves 2.
Example 3:
the preparation method of the injection mold for the outer layer of the blank comprises the following steps:
(1) Firstly, a first hydraulic cylinder drives a first lifting block 7 and then drives a lifting rod 8 to move downwards, a blank is inserted onto the lifting rod through a middle hole of the blank, and a second hydraulic cylinder 9 drives an upper substrate 3 and then drives the blank to move backwards into a first groove 2;
(2) The main driving device drives the male die to move towards the female die, at the moment, the guide rod 11 of the female die is contacted with the blind hole 12 on the second lifting block 10, and as the guide rod is obliquely downwards arranged, the second lifting block gradually moves upwards along with the approach of the male die and the female die, and finally the upper part of the second lifting block is attached to the bottom of the blank piece 24;
(3) The grouting holes 14 are filled with a proper amount of slurry through the second grooves 13, the slurry enters the first grooves 2 and the sixth grooves 23 through the fifth grooves 22, circulating water is opened, the whole mold is cooled, the slurry fills gaps between the blank and the first grooves and between the slurry and the sixth grooves 23, and the slurry is injection molded outside the blank according to the shapes of the first grooves and the sixth grooves;
(4) The main hydraulic cylinder drives the male die to be far away from the female die, and the second lifting block moves downwards along with the male die and is separated from the bottom of the blank of the outer layer after injection molding;
(5) The second hydraulic cylinder drives the upper base plate, and then drives the blank piece of the outer layer after injection molding to move forwards and away from the first groove 2; the first hydraulic cylinder drives the first lifting block 7 to drive the lifting rod to move upwards, and the blank of the outer layer after injection molding is blocked by the protruding block 6 when ascending and is separated from the lifting rod;
(6) The third hydraulic cylinder drives the second horizontal rod 15 to move forward, the second horizontal rod ejects residual materials in the second groove 13, and then the third hydraulic cylinder drives the second horizontal rod to retract and restore the original shape.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (7)
1. An injection mold for an outer layer of a blank, which is characterized in that: the mold comprises a male mold and a female mold which are matched with each other, wherein the male mold comprises a main body plate (1), and an upper substrate (3) and a lower substrate (4) are respectively fixed on the upper part and the lower part of the front side of the main body plate;
the upper part of the front side of the lower base plate (4) is provided with a first groove (2) which is matched with the shape of the outer layer of the blank to be injection molded;
the rear side of the main body plate (1) is connected with a second hydraulic cylinder (9), and a piston rod of the second hydraulic cylinder penetrates through the main body plate and drives the upper base plate to move forwards and backwards in the horizontal direction;
the front end of the upper base plate (3) is provided with a protruding block (6), the protruding block is provided with a through hole, and the upper part of the through hole is movably connected with first lifting blocks (7) which are vertically distributed; the bottom of the first lifting block is fixed with a lifting rod (8), the lifting rod is inserted into the through hole, and when the lifting rod (8) descends to the bottommost part, the bottom of the lifting rod is positioned in the first groove (2); the upper part of the first lifting block (7) is connected with a first hydraulic cylinder;
the front side of the lower substrate (4) is provided with a second groove (13), and the second groove is communicated with the first groove; a third hydraulic cylinder is arranged at the rear side of the lower part of the main body plate; the front end of the third hydraulic cylinder is fixedly provided with a second horizontal rod (15), the main body plate and the lower base plate are provided with first through holes (16), when the second horizontal rod is in a forward extending state, the second horizontal rod passes through the first through holes, and the front end of the second horizontal rod is positioned in the second groove;
a second lifting block (10) is movably connected to the lower part of the front side of the lower substrate;
a guide rod (11) is fixed at the bottom of one side of the female die, which is close to the male die, and the guide rod is obliquely downwards arranged; the second lifting block is provided with a blind hole (12) which is obliquely downwards arranged, and when the female die and the male die are attached together, the guide rod is gradually inserted into the blind hole;
for one surface of the female die, which is opposite to the male die, a fourth groove (21) matched with the second lifting block is arranged on the upper side, and a fifth groove (22) and a sixth groove (23) matched with the shape of the outer layer to be injection molded on the other side of the blank piece are arranged on the middle part; the fifth groove is communicated with the sixth groove and a grouting hole (14) on the female die, and when the female die is jointed with the male die, the fifth groove is jointed with the edge of the second groove, and the sixth groove is jointed with the edge of the first groove; the lower part of the female die is provided with a seventh groove (25) matched with the second lifting block.
2. The injection mold of the outer layer of the blank according to claim 1, wherein: the female die is provided with first circulating water through holes (17) which are horizontally distributed and second circulating water through holes (18) which are longitudinally distributed, the second circulating water through holes are communicated with the first circulating water through holes, the first circulating water through holes are communicated with the outside after penetrating through the side wall of the female die, and one end of each second circulating water through hole is close to a sixth groove (23).
3. The injection mold of the outer layer of the blank according to claim 1, wherein: the lower substrate is provided with third circulating water through holes (19) which are horizontally distributed and fourth circulating water through holes (20) which are longitudinally distributed, the fourth circulating water through holes are communicated with the third circulating water through holes, the third circulating water through holes penetrate through the side wall of the lower substrate and then are communicated with the outside, and one end of each fourth circulating water through hole is close to the first groove.
4. The injection mold of the outer layer of the blank according to claim 1, wherein: the four corners of the lower base plate are respectively provided with a seventh groove, the front end of the third hydraulic cylinder is also fixed with a first horizontal rod (5), and the first horizontal rod (5) can move back and forth along the seventh grooves.
5. The injection mold of the outer layer of the blank according to claim 4, wherein: and a spring ring is wound outside the first horizontal rod (5).
6. The injection mold of the outer layer of the blank according to claim 1, wherein: the two lifting rods (8) are respectively arranged corresponding to the first grooves (2).
7. A method of producing an injection mold for an outer layer of a blank according to any one of claims 1 to 6, comprising the steps of:
(1) Firstly, a first hydraulic cylinder drives a first lifting block (7) and then drives a lifting rod (8) to move downwards, a blank is inserted onto the lifting rod through a middle hole of the blank, and a second hydraulic cylinder (9) drives an upper base plate (3) and then drives the blank to move backwards into a first groove (2);
(2) The main driving device drives the male die to move towards the female die, at the moment, a guide rod (11) of the female die is contacted with a blind hole (12) on the second lifting block (10), and as the guide rod is obliquely downwards arranged, the second lifting block gradually moves upwards along with the approach of the male die and the female die, and finally the upper part of the second lifting block is attached to the bottom of a blank piece (24);
(3) The grouting holes (14) are filled with a proper amount of slurry through the second grooves (13), the slurry enters the first grooves (2) and the sixth grooves (23) through the fifth grooves (22), circulating water is opened, the whole die is cooled, the slurry is filled in gaps between the blank and the first grooves and gaps between the blank and the sixth grooves (23), and the slurry is injection molded outside the blank according to the shapes of the first grooves and the sixth grooves;
(4) The main hydraulic cylinder drives the male die to be far away from the female die, and the second lifting block moves downwards along with the male die and is separated from the bottom of the blank of the outer layer after injection molding;
(5) The second hydraulic cylinder drives the upper base plate, so that the blank piece of the outer layer after injection molding is driven to move forwards and away from the first groove (2); the first hydraulic cylinder drives the first lifting block (7) to drive the lifting rod to move upwards, and the blank of the outer layer after injection molding is blocked by the protruding block (6) when ascending and is separated from the lifting rod;
(6) The third hydraulic cylinder drives the second horizontal rod (15) to move forward, the second horizontal rod ejects residual materials in the second groove (13), and then the third hydraulic cylinder drives the second horizontal rod to retract and restore the original shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210326926.4A CN114872277B (en) | 2022-03-30 | 2022-03-30 | Injection mold for outer layer of blank and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210326926.4A CN114872277B (en) | 2022-03-30 | 2022-03-30 | Injection mold for outer layer of blank and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114872277A CN114872277A (en) | 2022-08-09 |
| CN114872277B true CN114872277B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210326926.4A Active CN114872277B (en) | 2022-03-30 | 2022-03-30 | Injection mold for outer layer of blank and preparation method thereof |
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Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114872277A (en) | 2022-08-09 |
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Address after: 276111 Li Zhuang Zhen Yi Dong Cun, Tancheng County, Linyi City, Shandong Province Patentee after: Shandong Hongbang Tools Co.,Ltd. Country or region after: China Address before: 276111 Li Zhuang Zhen Yi Dong Cun, Tancheng County, Linyi City, Shandong Province Patentee before: Tancheng Hongbang plastic handle Co.,Ltd. Country or region before: China |