CN219191137U - In-mold assembly equipment - Google Patents
In-mold assembly equipment Download PDFInfo
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- CN219191137U CN219191137U CN202223162073.XU CN202223162073U CN219191137U CN 219191137 U CN219191137 U CN 219191137U CN 202223162073 U CN202223162073 U CN 202223162073U CN 219191137 U CN219191137 U CN 219191137U
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Abstract
The utility model discloses in-mold assembly equipment, which relates to the technical field of injection equipment and comprises a movable mold, a fixed mold, an insert, a thimble, a needle plate, a supporting block, a linear driving piece and the like, wherein an injection molding assembly is formed between the fixed mold and the movable mold in an injection molding mode, the fixed mold is provided with the insert and the thimble, the insert can be abutted to a first component and a second component of the injection molding assembly, the thimble can be abutted to the second component, the thimble is connected with the needle plate, the supporting block can be slidably arranged on the needle plate and abutted to the insert, and the output end of the linear driving piece is connected with the needle plate. The linear driving piece drives the needle plate, the ejector pin and the supporting block to move, the supporting block drives the insert to move, the insert and the ejector pin eject out of the injection molding assembly, the supporting block starts to slide and is separated from and abutted against the insert, the insert stops moving, the ejector pin pushes the second component, the second component and the first component are matched and connected to form a final finished product, the problem that the components are required to be assembled by manual or automatic equipment in the traditional external mold assembly method is solved, and the production efficiency of the final finished product is improved.
Description
Technical Field
The utility model relates to the technical field of injection molding equipment, in particular to in-mold assembly equipment.
Background
Injection molding is a method of producing a shape of an industrial product, and an injection molding apparatus generally includes a mold and an injection machine that injects a molten product raw material into an injection cavity of the mold, and the molten product raw material is hardened and shaped in the injection cavity of the mold, thereby obtaining a work piece of a corresponding shape. In the prior art, part of specific final products are assembled by two or more than two different parts, usually only one part can be molded by one mold, and after various molds are respectively molded to form different parts, the different parts are assembled into the final products.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides in-mold assembly equipment which can solve the problem of low production efficiency of the traditional out-mold assembly mode.
An in-mold assembly apparatus according to an embodiment of the present utility model includes:
the die opening direction of the movable die is parallel to the horizontal direction;
the fixed die is detachably connected with the movable die, an injection cavity is formed between the fixed die and the movable die, the injection cavity is used for forming an injection molding assembly, a first through hole is formed in the fixed die, the axis of the first through hole is parallel to the die opening direction, an insert is arranged on the fixed die, the insert penetrates through the first through hole, one end of the insert is arranged in the injection molding cavity and can be abutted to a first component and a second component of the injection molding assembly, and the other end of the insert is connected with a columnar stop block;
the fixed die is provided with a plurality of second through holes, the axes of the second through holes are parallel to the axes of the first through holes, the plurality of ejector pins are respectively arranged in the second through holes in a penetrating mode, and one ends of the ejector pins can be abutted against the second component;
the needle plate is arranged on one side of the fixed die, which is far away from the movable die, the other ends of the ejector pins are connected with the needle plate, a groove is formed in the side surface of the needle plate, which is far away from the fixed die, a third through hole is formed in the bottom wall of the groove, the third through hole and the first through hole are coaxially arranged, the insert penetrates through the third through hole, one end face of the columnar stop block can be abutted against the bottom wall of the groove, a fourth through hole is formed in the needle plate, and the axis of the fourth through hole is parallel to the horizontal direction and the axis of the third through hole;
the deflector rod is connected with the fixed die and penetrates through the fourth through hole;
the support block is slidably connected to the side surface of the needle plate, away from the fixed die, an inclined through hole is formed in the support block, the aperture of the inclined through hole is larger than that of the fourth through hole, an orifice of the inclined through hole, which is close to one side of the fixed die, is correspondingly arranged with the fourth through hole, an orifice of the inclined through hole, which is far away from one side of the fixed die, is close to the third through hole, one end of the elastic element is connected with the support block, and the other end of the elastic element is connected with the needle plate so that the support block is abutted to the other end face of the columnar stop block;
the driving direction of the linear driving piece is parallel to the axis direction of the first through hole, the output end of the linear driving piece is connected with the needle plate so as to drive the needle plate to be close to or far away from the fixed die, and the deflector rod can be inserted into the inclined through hole and drive the supporting block to move along the direction far away from the third through hole so as to enable the supporting block to be separated from the other end face of the columnar stop block.
Has at least the following beneficial effects:
an injection molding assembly is formed among the fixed mold, the fixed mold and the insert, after the injection molding assembly is molded, the movable mold is opened, the linear driving piece drives the needle plate to be close to the fixed mold, the needle plate drives the ejector pin and the supporting block to move, the supporting block pushes the insert to move, the ejector pin and the insert eject the injection molding assembly, a first component of the injection molding assembly is propped against the movable mold, the deflector rod is inserted into the inclined through hole to drive the supporting block to move towards a direction far away from the third through hole, so that the supporting block is separated from and propped against the other end face of the columnar stop block, the insert is not pushed by the supporting block and stops moving, the ejector pin continuously pushes the second component, and the second component is separated from the insert and is connected with the first component in a matched manner to form a final finished product, and the assembly process is completed; the linear driving piece drives the needle plate to be away from the fixed die, the end face of the columnar stop block is abutted against the bottom wall of the groove again, the deflector rod is separated from the inclined through hole, the elastic element drives the supporting block to move towards the direction close to the third through hole, and the supporting block is abutted against the other end face of the columnar stop block again, so that the resetting process is completed.
Through this in-mold assembly equipment, can assemble immediately after first part and second part shaping, solve traditional external equipment method and need additionally carry out the problem of equipment to the part through manual work or automation equipment, improved the production efficiency of final finished product, this in-mold assembly equipment only needs a set of mould and injection machine simultaneously, the occupation space of mould and injection machine has been practiced thrift, also avoided the warp deformation that secondary operation is often had or shrink out of tolerance problem, and need not personnel secondary equipment after the in-mold equipment is accomplished, reduced the damage to the finished product because of the human factor in the equipment process.
According to the in-mold assembly equipment provided by the embodiment of the utility model, the connecting rod is arranged on the fixed mold, the blind hole is formed in the side surface of the fixed mold, facing the needle plate, the first through hole is formed in the bottom wall of the blind hole, the connecting rod penetrates through the blind hole and the third through hole, one end of the connecting rod is connected with the insert and can be abutted against the bottom wall of the blind hole, the columnar stop block is arranged on the end surface of the other end of the connecting rod, and the diameter of the cross section of the columnar stop block is larger than the aperture of the blind hole.
According to the in-mold assembly equipment provided by the embodiment of the utility model, one end of the deflector rod, which is close to the inclined through hole, is a round head.
According to the in-mold assembly equipment provided by the embodiment of the utility model, the side surface of the needle plate, which is far away from the fixed mold, is provided with the mounting groove, the groove is formed in the bottom wall of the mounting groove, the fourth through hole is formed in the bottom wall of the mounting groove, the supporting block is slidably connected to the bottom wall of the mounting groove, the elastic element is arranged in the mounting groove, one end of the elastic element is connected with the supporting block, and the other end of the elastic element is connected with the side wall of the mounting groove so as to enable the supporting block to be separated from the other end face of the columnar stop block.
According to the in-mold assembly equipment provided by the embodiment of the utility model, the baffle plate is arranged on the needle plate and can be propped against the side surface of the supporting block, which is far away from the fixed mold, a fifth through hole and a notch are formed in the baffle plate, the fifth through hole is used for the deflector rod to pass through, and the notch is used for avoiding the columnar stop block.
According to the in-mold assembly equipment provided by the embodiment of the utility model, the in-mold assembly equipment further comprises a guide rod, the needle plate is provided with a guide hole, the axial direction of the guide rod is parallel to the horizontal direction, and the guide rod is connected with the fixed mold and penetrates through the guide hole.
According to the in-mold assembly equipment provided by the embodiment of the utility model, the in-mold assembly equipment further comprises a connecting block and a buckling block, wherein the connecting block is provided with a buckling groove, the connecting block is connected with the needle plate, the output end of the linear driving piece is connected with the buckling block, and the buckling block is buckled in the buckling groove.
According to the in-mold assembly equipment provided by the embodiment of the utility model, the linear driving piece is the flat pushing cylinder, the cylinder body of the flat pushing cylinder is connected with the fixed mold, and the piston rod of the flat pushing cylinder is connected with the buckling block.
According to the in-mold assembly equipment provided by the embodiment of the utility model, the number of the ejector pins and the number of the second through holes are four, the four second through holes are arranged in a circumferential array by taking the axis of the first through hole as the center, the four ejector pins are respectively arranged in the four second through holes in a penetrating way, and the four ejector pins can be abutted against the second component.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of an in-mold assembly apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of the mating structure of the injection molding assembly, ejector pin and insert;
FIG. 3 is a schematic view of the injection molding assembly of FIG. 2;
FIG. 4 is a schematic view of the first and second parts of FIG. 3 cooperatively joined to form a final product;
FIG. 5 is a schematic cross-sectional view of the stationary mold of FIG. 1;
fig. 6 is a schematic cross-sectional view of the needle plate and the baffle;
fig. 7 is a schematic sectional structure of the needle plate, the stationary mold and the linear driving member;
FIG. 8 is an enlarged partial schematic view of FIG. 7 at A;
FIG. 9 is an enlarged partial schematic view at B in FIG. 7;
FIG. 10 is a schematic view of a state of FIG. 9;
FIG. 11 is a schematic view of another state of FIG. 9;
FIG. 12 is a schematic view of another state of FIG. 9;
reference numerals:
a movable die 100;
a fixed mold 200; a first through hole 201; a second through hole 202; a blind hole 203; insert 210; a connecting rod 220; a cylindrical stopper 221; ejector pin 230; a guide rod 240;
a needle plate 300; a groove 301; a fourth through hole 302; a mounting groove 303; a third through hole 304; a support block 310; an inclined through hole 311; an elastic member 320; a lever 330; a baffle 340; a fifth through hole 341; notch 342;
a linear driving member 400; a button 410; a connection block 420; a catching groove 421;
an injection molding assembly 500; a first component 510; a second component 520.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The injection molding assembly 500 is an injection molding member formed in one injection cavity and comprising a plurality of parts, between which a gate material is connected.
Referring to fig. 1 to 4, an injection molding assembly 500 according to an embodiment of the present utility model is composed of a first part 510 and a second part 520, wherein a four-bar structure is disposed on the second part 520, the four-bar structure can be fastened to an insert 210, and the first part 510 and the second part 520 can be connected in a matching manner to form a final product.
The in-mold assembly apparatus includes:
a movable die 100, wherein the die opening direction of the movable die 100 is parallel to the horizontal direction;
the fixed die 200 is detachably connected with the movable die 100, an injection cavity is formed between the fixed die 200 and the movable die 100, the injection cavity is used for forming an injection molding assembly 500, a first through hole 201 is formed in the fixed die 200, the axis of the first through hole 201 is parallel to the die opening direction, an insert 210 is arranged on the fixed die 200, the insert 210 penetrates through the first through hole 201, one end of the insert 210 is arranged in the injection cavity and can be abutted to a first part 510 and a second part 520 of the injection molding assembly 500, and the other end of the insert 210 is connected with a columnar stop 221;
the fixed mold 200 is provided with a plurality of second through holes 202, the axes of the second through holes 202 are parallel to the axes of the first through holes 201, the plurality of ejector pins 230 are respectively arranged on the plurality of second through holes 202 in a penetrating way, and one ends of the plurality of ejector pins 230 can be abutted against the second component 520;
the needle plate 300 is arranged on one side of the fixed die 200 away from the movable die 100, the other ends of the ejector pins 230 are connected with the needle plate 300, a groove 301 is formed in the side surface of the needle plate 300 away from the fixed die 200, a third through hole 304 is formed in the bottom wall of the groove 301, the third through hole 304 is coaxially arranged with the first through hole 201, the insert 210 penetrates through the third through hole 304, one end face of the columnar stop block 221 can be abutted against the bottom wall of the groove 301, a fourth through hole 302 is formed in the needle plate 300, and the axis of the fourth through hole 302 is parallel to the axis of the third through hole 304 in the horizontal direction;
the deflector rod 330, the deflector rod 330 is connected with the fixed die 200 and penetrates through the fourth through hole 302;
the support block 310 and the elastic element 320, the support block 310 is slidably connected to the side surface of the needle plate 300, which is far away from the fixed die 200, the support block 310 is provided with an inclined through hole 311, the aperture of the inclined through hole 311 is larger than that of the fourth through hole 302, the aperture of one side of the inclined through hole 311, which is close to the fixed die 200, is correspondingly arranged with the fourth through hole 302, the aperture of one side of the inclined through hole 311, which is far away from the fixed die 200, is close to the third through hole 304, one end of the elastic element 320 is connected with the support block 310, and the other end of the elastic element 320 is connected with the needle plate 300, so that the support block 310 is abutted against the other end surface of the columnar stop 221;
the linear driving member 400, the driving direction of the linear driving member 400 is parallel to the axial direction of the first through hole 201, the output end of the linear driving member 400 is connected with the needle plate 300 to drive the needle plate 300 to approach or depart from the fixed mold 200, and the deflector 330 can be inserted into the inclined through hole 311 and drive the supporting block 310 to move along the direction of departing from the third through hole 304, so that the supporting block 310 is separated from the other end face of the columnar stop 221.
The general workflow of the in-mold assembly device of the embodiment of the utility model is as follows:
the first stage: an injection molding assembly 500 is formed in the injection molding cavity in an injection molding way;
and a second stage: opening the movable die 100;
and a third stage: referring to fig. 9, the linear driving member 400 drives the needle plate 300 to move toward the fixed mold 200, the needle plate 300 drives the supporting block 310 and the ejector pins 230 to move, the supporting block 310 pushes the cylindrical stopper 221 and the insert 210 to move, the ejector pins 230 and the insert 210 eject the injection molding assembly 500, and the inclined through holes 311 move toward the deflector 330;
fourth stage: referring to fig. 10, the lever 330 presses the inner wall of the inclined through hole 311 to drive the support block 310 to move away from the third through hole 304, the elastic member 320 is compressed, and the ejector pin 230 and the insert 210 continue to move toward the fixed mold 200;
fifth stage: referring to fig. 11 and 12, the support block 310 is disengaged from the other end surface of the cylindrical stopper 221, the cylindrical stopper 221 is not pushed by the support block 310, the insert 210 stops moving, and the first part 510 of the injection assembly 500 is abutted against the movable mold 100;
sixth stage: referring to fig. 2 to 4, the ejector pin 230 continues to push the second part 520 of the injection assembly 500 to move, the four-bar structure on the second part 520 is spread and deformed and separated from the insert 210, the gate material between the first part 510 and the second part 520 is broken, and the second part 520 is connected with the first part 510 in a matching manner to form a final product;
seventh stage: referring to fig. 9 to 12, the linear driving member 400 drives the needle plate 300 to move in a direction away from the fixed mold 200, the bottom wall of the groove 301 abuts against one end face of the cylindrical stopper 221, and the needle plate 300 drives the cylindrical stopper 221 and the insert 210 to move;
eighth stage: the inclined through hole 311 starts to be far away from the deflector rod 330, the elastic element 320 stretches and drives the support block 310 to move towards the third through hole 304, the deflector rod 330 is completely withdrawn from the inclined through hole 311, the elastic element 320 is restored, the support block 310 is restored to be in contact with the other end face of the columnar stop block 221, and therefore the reset of the insert 210, the ejector pin 230 and the support block 310 is completed;
ninth stage: the movable mold 100 is clamped, and the first stage is repeated.
It can be appreciated that, by the in-mold assembly device, the first component 510 and the second component 520 can be assembled immediately after being molded, so that the problem that the components are required to be assembled by manual or automatic equipment in the traditional out-mold assembly method is solved, the production efficiency of a final finished product is improved, meanwhile, the in-mold assembly device only needs one set of mold and injection machine, the occupied space of the mold and the injection machine is saved, the problem of warp deformation or shrinkage out-of-tolerance which is common in secondary operation is avoided, and the secondary assembly of personnel is not required after the in-mold assembly is completed, so that the damage to the finished product caused by human factors in the assembly process is reduced.
The second part 520 of the injection molding assembly 500 in the embodiment of the present utility model is fastened to the insert 210, and if the insert 210 is not moved, only the ejector pin 230 moves, the injection molding assembly 500 cannot be ejected from the injection cavity; after the first part 510 of the injection assembly 500 abuts against the movable mold 100, if the insert 210 does not stop moving, the second part 520 cannot be separated from the insert 210 and is connected with the first part 510 in a matching manner, which also causes the first part 510 to be crushed and damaged by the insert 210.
As an embodiment of the present utility model, the supporting block 310 may be provided with a sliding block structure, the side of the needle plate 300 away from the fixed mold 200 may be provided with a sliding groove, the length direction of the sliding groove is perpendicular to the axis direction of the first through hole 201, the sliding block may be slidably connected to the sliding groove, the sliding direction of the supporting block 310 is perpendicular to the axis direction of the first through hole 201, and the elastic element 320 may be a spring.
Referring to fig. 5 to 9, a connecting rod 220 is disposed on the fixed mold 200, a blind hole 203 is disposed on a side surface of the fixed mold 200 facing the needle plate 300, a first through hole 201 is disposed on a bottom wall of the blind hole 203, the connecting rod 220 is disposed through the blind hole 203 and a third through hole 304, one end of the connecting rod 220 is connected with the insert 210 and can be abutted against the bottom wall of the blind hole 203, a cylindrical stop 221 is disposed on an end surface of the other end of the connecting rod 220, and a diameter of a cross section of the cylindrical stop 221 is larger than a diameter of the blind hole 203. It can be appreciated that by arranging the connecting rod 220 and the blind hole 203, one end of the connecting rod 220 can be abutted against the bottom wall of the blind hole 203, and in the process that the insert 210 and the connecting rod 220 move towards the movable die 100, the bottom wall of the blind hole 203 limits the movement of the connecting rod 220 and the insert 210, so that the problem that the second component 520 cannot be separated from the insert 210 due to the overlong movement distance of the insert 210, and the second component 520 cannot be connected with the first component 510 in a matching way is avoided.
Referring to fig. 10, the end of the lever 330 adjacent to the inclined through hole 311 is rounded. It can be appreciated that one end of the shift lever 330 is to be pressed against the inner wall of the inclined through hole 311, so as to achieve the effect of driving the supporting block 310 to move, and the one end of the shift lever 330 is rounded, so that the pressure of the shift lever 330 and the inclined through hole 311 in the process of pressing against each other can be effectively reduced, and the service lives of the shift lever 330 and the supporting block 310 are prolonged.
Referring to fig. 6 and 9, a mounting groove 303 is formed on a side surface of the needle plate 300, which is away from the fixed mold 200, a groove 301 is formed in a bottom wall of the mounting groove 303, a fourth through hole 302 is formed in the bottom wall of the mounting groove 303, a supporting block 310 is slidably connected to the bottom wall of the mounting groove 303, an elastic member 320 is formed in the mounting groove 303, one end of the elastic member 320 is connected to the supporting block 310, and the other end of the elastic member 320 is connected to a side wall of the mounting groove 303, so that the supporting block 310 is separated from the other end surface of the cylindrical stopper 221. It will be appreciated that by providing the mounting groove 303, the structure of the needle plate 300 can be made more compact by providing both the support block 310 and the elastic member 320 in the mounting groove 303. As an embodiment of the present utility model, the supporting block 310 may be provided with a sliding block structure, the bottom wall of the mounting groove 303 may be provided with a sliding groove, the length direction of the sliding groove is perpendicular to the axis direction of the first through hole 201, and the sliding block is slidably connected to the sliding groove.
Referring to fig. 6 and 9, a baffle 340 is disposed on the needle plate 300, the baffle 340 can be abutted against a side surface of the support block 310 away from the fixed mold 200, a fifth through hole 341 and a notch 342 are formed on the baffle 340, the fifth through hole 341 is used for the shifter 330 to pass through, and the notch 342 is used for avoiding the columnar stop 221. It can be appreciated that the baffle 340 shields the opening of a part of the mounting groove 303, and the supporting block 310 can be abutted against the baffle 340 and can slide in the mounting groove 303, so that the structure of the needle plate 300 is more compact and simple, and part of dust is prevented from falling into the mounting groove 303. Meanwhile, the baffle 340 is correspondingly provided with a fifth through hole 341 for the deflector 330 to pass through and a notch 342 for avoiding the columnar stop 221, so that the baffle 340 is prevented from blocking the deflector 330 and the columnar stop 221.
Referring to fig. 7, the in-mold assembly apparatus further includes a guide bar 240 having a guide hole formed in the needle plate 300, the guide bar 240 having an axis direction parallel to the horizontal direction, the guide bar 240 being connected to the stationary mold 200 and penetrating into the guide hole. It can be appreciated that by arranging the guide rod 240, the guide rod 240 limits the up-and-down movement of the needle plate 300, so that the needle plate 300 is prevented from shaking in the moving process, the movement of the needle plate 300 is more stable, and the working stability of the in-mold assembly equipment is improved.
Referring to fig. 7, the in-mold assembling apparatus further includes a connection block 420 and a locking block 410, a locking groove 421 is formed in the connection block 420, the connection block 420 is connected with the needle plate 300, an output end of the linear driving member 400 is connected with the locking block 410, and the locking block 410 is locked in the locking groove 421. It can be understood that the needle plate 300 is connected with the output end of the linear driving member 400 through the connecting block 420 and the buckling block 410, in the installation process, the buckling block 410 is connected with the output end of the linear driving member 400, then the sliding slot opening on the connecting block 420 is aligned with the buckling block 410, the buckling block 410 is buckled in the sliding slot, and finally the connecting block 420 is connected with the needle plate 300.
Referring to fig. 7, the linear driving member 400 is a horizontal pushing cylinder, the cylinder body of which is connected to the stationary mold 200, and the piston rod of which is connected to the button block 410. It can be understood that the linear driving member 400 is a horizontal pushing cylinder, and the cylinder body of the cylinder is connected with the fixed mold 200, so that the structure of the in-mold assembly device is more compact; on the other hand, the flat pushing cylinder is simple in structure and easy to maintain.
Referring to fig. 7, the number of the pins 230 and the second through holes 202 is four, the four second through holes 202 are arranged in a circumferential array with the axis of the first through hole 201 as the center, the four pins 230 are respectively disposed in the four second through holes 202, and the four pins 230 can be abutted against the second component 520. It can be appreciated that, the four ejector pins 230 are provided, the four ejector pins 230 can be abutted against the second component 520, so that the stress of the second component 520 can be uniform in the process of pushing the second component 520 by the ejector pins 230, deformation of the second component 520 caused by uneven stress is avoided, thus causing problems in the subsequent matching connection of the second component 520 and the first component 510, and improving the success rate of the matching connection of the second component 520 and the first component 510.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the claims.
Claims (9)
1. An in-mold assembly apparatus, comprising:
the die opening direction of the movable die is parallel to the horizontal direction;
the fixed die is detachably connected with the movable die, an injection cavity is formed between the fixed die and the movable die, the injection cavity is used for forming an injection molding assembly, a first through hole is formed in the fixed die, the axis of the first through hole is parallel to the die opening direction, an insert is arranged on the fixed die, the insert penetrates through the first through hole, one end of the insert is arranged in the injection molding cavity and can be abutted to a first component and a second component of the injection molding assembly, and the other end of the insert is connected with a columnar stop block;
the fixed die is provided with a plurality of second through holes, the axes of the second through holes are parallel to the axes of the first through holes, the plurality of ejector pins are respectively arranged in the second through holes in a penetrating mode, and one ends of the ejector pins can be abutted against the second component;
the needle plate is arranged on one side of the fixed die, which is far away from the movable die, the other ends of the ejector pins are connected with the needle plate, a groove is formed in the side surface of the needle plate, which is far away from the fixed die, a third through hole is formed in the bottom wall of the groove, the third through hole and the first through hole are coaxially arranged, the insert penetrates through the third through hole, one end face of the columnar stop block can be abutted against the bottom wall of the groove, a fourth through hole is formed in the needle plate, and the axis of the fourth through hole is parallel to the horizontal direction and the axis of the third through hole;
the deflector rod is connected with the fixed die and penetrates through the fourth through hole;
the support block is slidably connected to the side surface of the needle plate, away from the fixed die, an inclined through hole is formed in the support block, the aperture of the inclined through hole is larger than that of the fourth through hole, an orifice of the inclined through hole, which is close to one side of the fixed die, is correspondingly arranged with the fourth through hole, an orifice of the inclined through hole, which is far away from one side of the fixed die, is close to the third through hole, one end of the elastic element is connected with the support block, and the other end of the elastic element is connected with the needle plate so that the support block is abutted to the other end face of the columnar stop block;
the driving direction of the linear driving piece is parallel to the axis direction of the first through hole, the output end of the linear driving piece is connected with the needle plate so as to drive the needle plate to be close to or far away from the fixed die, and the deflector rod can be inserted into the inclined through hole and drive the supporting block to move along the direction far away from the third through hole so as to enable the supporting block to be separated from the other end face of the columnar stop block.
2. The in-mold assembly apparatus of claim 1, wherein: the connecting rod is arranged on the fixed die, the fixed die faces the side face of the needle plate to form a blind hole, the first through hole is formed in the bottom wall of the blind hole, the connecting rod penetrates through the blind hole and the third through hole, one end of the connecting rod is connected with the insert and can be abutted to the bottom wall of the blind hole, the columnar stop block is arranged on the end face of the other end of the connecting rod, and the diameter of the cross section of the columnar stop block is larger than the aperture of the blind hole.
3. The in-mold assembly apparatus of claim 1, wherein: one end of the deflector rod, which is close to the inclined through hole, is a round head.
4. The in-mold assembly apparatus of claim 1, wherein: the needle plate is far away from the mounting groove is formed in the side face of the fixed die, the groove is formed in the bottom wall of the mounting groove, the fourth hole is formed in the bottom wall of the mounting groove, the supporting block is slidably connected to the bottom wall of the mounting groove, the elastic element is arranged in the mounting groove, one end of the elastic element is connected with the supporting block, the other end of the elastic element is connected with the side wall of the mounting groove, and the supporting block is separated from the other end face of the columnar stop block.
5. The in-mold assembly apparatus of claim 4, wherein: the needle plate is provided with a baffle plate, the baffle plate can be propped against the side surface of the support block, which is far away from the fixed die, a fifth through hole and a notch are formed in the baffle plate, the fifth through hole is used for the deflector rod to pass through, and the notch is used for avoiding the columnar stop block.
6. The in-mold assembly apparatus of claim 1, wherein: the needle plate is provided with a guide hole, the axial direction of the guide rod is parallel to the horizontal direction, and the guide rod is connected with the fixed die and penetrates through the guide hole.
7. The in-mold assembly apparatus of claim 1, wherein: the needle plate is characterized by further comprising a connecting block and a buckling block, wherein a buckling groove is formed in the connecting block, the connecting block is connected with the needle plate, the output end of the linear driving piece is connected with the buckling block, and the buckling block is buckled in the buckling groove.
8. The in-mold assembly apparatus of claim 7, wherein: the linear driving piece is a flat pushing cylinder, the cylinder body of the flat pushing cylinder is connected with the fixed die, and the piston rod of the flat pushing cylinder is connected with the buckling block.
9. The in-mold assembly apparatus of claim 1, wherein: the number of the ejector pins and the number of the second through holes are four, the four second through holes are arranged in a circumferential array by taking the axis of the first through hole as the center, the four ejector pins are respectively arranged in the four second through holes in a penetrating mode, and the four ejector pins can be abutted to the second component.
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CN202223162073.XU CN219191137U (en) | 2022-11-28 | 2022-11-28 | In-mold assembly equipment |
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CN202223162073.XU CN219191137U (en) | 2022-11-28 | 2022-11-28 | In-mold assembly equipment |
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CN219191137U true CN219191137U (en) | 2023-06-16 |
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