CN118721591B - Injection mold capable of automatically embedding metal inserts - Google Patents

Injection mold capable of automatically embedding metal inserts Download PDF

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Publication number
CN118721591B
CN118721591B CN202411230145.0A CN202411230145A CN118721591B CN 118721591 B CN118721591 B CN 118721591B CN 202411230145 A CN202411230145 A CN 202411230145A CN 118721591 B CN118721591 B CN 118721591B
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China
Prior art keywords
channel
metal insert
plate
transverse channel
block
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CN202411230145.0A
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CN118721591A (en
Inventor
张晓文
叶强华
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Jishun Auto Parts Rugao Co ltd
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Jishun Auto Parts Rugao Co ltd
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Priority to CN202411230145.0A priority Critical patent/CN118721591B/en
Publication of CN118721591A publication Critical patent/CN118721591A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14065Positioning or centering articles in the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14008Inserting articles into the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould

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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 relates to the technical field of injection molds, in particular to an injection mold capable of automatically embedding a metal insert. Including die, terrace die, electric putter I etc. the die is bilateral symmetry setting with the terrace die, and opens the terrace die side has the hole of moulding plastics, and it has vertical passageway and transverse channel to separate in the terrace die, and the vertical passageway bottom surface is opened there is the through-hole to make vertical passageway pass through-hole and transverse channel intercommunication, open in the terrace die has the holding tank, and holding tank and transverse channel intercommunication, electric putter I interval is installed in the holding tank. According to the invention, through the design of the vertical channel and the transverse channel, the metal inserts can be arranged in the vertical channel and the transverse channel in a required direction, then the metal inserts can be sucked through the magnetic blocks, and the metal inserts can be driven to move into the cavity of the female die along the transverse channel, so that the metal inserts can be automatically embedded into the die without external equipment, the cost is lower, and the risk that the inserts fall off or are not placed in place is avoided.

Description

Injection mold capable of automatically embedding metal inserts
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold capable of automatically embedding a metal insert.
Background
The embedding of metal inserts such as nuts, bushings, etc. is a common requirement in the injection molding industry to enhance the strength and functionality of plastic parts, especially in applications requiring fastener attachment. The traditional metal insert embedding mode mainly comprises two embedding modes of hot riveting embedding after injection molding and manipulator-assisted embedding before injection molding:
The traditional hot riveting embedding process after injection molding firstly completes injection molding of plastic parts, after plastic is cooled and hardened, the metal inserts are heated to a high temperature state by a hot riveting machine and pressed into preset plastic holes, and the fixing is realized by utilizing the hot melting of plastic. Although the process can ensure the firm combination of the metal insert and the plastic part, due to the additional hot riveting process, the production period can be prolonged, the cost can be increased, and the problems of plastic deformation or incomplete fixation of the metal insert can be caused by improper temperature control;
The embedding mode before the injection molding is assisted by the manipulator, namely, before the injection molding, the metal insert is accurately placed at the designated position of the mold by using the manipulator, and then the injection molding is carried out. The method can avoid additional post-treatment steps and can theoretically improve the production efficiency. However, in actual operation, the positioning accuracy and stability of the manipulator are critical, and any minor deviation may cause the insert to shift or fall off, even at high speed operation, causing damage to the mold, thereby increasing maintenance costs and downtime.
Disclosure of Invention
In view of the above, the invention provides an injection mold capable of automatically embedding a metal insert, which can overcome the defects that the conventional embedding mode of the metal insert needs to be assisted by external equipment, the cost is high, and the risk of shifting or falling of the insert exists.
The technical scheme includes that the injection mold for automatically embedding the metal inserts comprises a female mold and a male mold, wherein the female mold and the male mold are arranged in a bilateral symmetry manner, injection holes are formed in the side surfaces of the male mold, the injection mold further comprises an electric push rod I, a magnetic block, a connecting rod, a connecting plate, a limiting assembly and a feeding mechanism, a vertical channel and a transverse channel are arranged in the male mold at intervals, through holes are formed in the bottom surface of the vertical channel, the vertical channel is communicated with the transverse channel through the through holes, a containing groove is formed in the male mold and communicated with the transverse channel, the electric push rod I is installed in the containing groove at intervals, the magnetic block is connected to a telescopic rod of the electric push rod I, the magnetic block is located in the transverse channel, the connecting plate is connected to the side surfaces of the magnetic block through the connecting rod, the limiting assembly is used for limiting the metal inserts in the transverse channel, and the feeding mechanism is used for conveying the metal inserts into the vertical channel.
As a preferable technical scheme of the invention, the limiting component comprises a limiting block and a connecting spring, wherein the limiting block is slidably connected in the male die, the top surface of the limiting block protrudes out of the bottom surface of the transverse channel, and the connecting spring is connected with the limiting block and the male die.
As a preferable technical scheme of the invention, the feeding mechanism comprises a stock disc, a handle, a guide frame, a fixed sleeve, a ball locking pin, a push plate, a compression spring and a material blocking component, wherein the stock disc is arranged on the top surface of a male die at intervals, the handle is connected with the top surface of the stock disc, the guide frame is connected on the top surface of the male die at intervals, the bottom surface of the guide frame is communicated with the upper end of a vertical channel, the fixed sleeve is connected on the top surface of the male die at intervals, the ball locking pin is connected on the handle, the ball locking pin penetrates through the middle part of the stock disc, the ball locking pin is in plug-in fit with the fixed sleeve, the push plate is in sliding connection with the stock disc, the compression spring is connected with the push plate and the stock disc, and the material blocking component is used for blocking a metal insert in the stock disc.
As a preferable technical scheme of the invention, the material blocking assembly comprises a connecting block, a rotating baffle and a torsion spring, wherein the connecting block is connected to the side surface of the material storage disc, the rotating baffle is rotationally connected to the connecting block, and the torsion spring is connected with the rotating baffle and the connecting block.
As a preferred technical scheme of the invention, the intelligent automatic reminding device further comprises a reminding component, wherein the reminding component comprises a fixed magnetic plate, a sliding magnetic plate, a mounting rod, a buzzer and a contact switch, the fixed magnetic plate is connected to the top surface of the push plate, the sliding magnetic plate is connected to the storage disc in a sliding manner, the mounting rod is connected to the storage disc, the buzzer is mounted on the top surface of the storage disc, the contact switch is mounted on the bottom surface of the mounting rod, and the contact switch is located right above the sliding magnetic plate.
As a preferable technical scheme of the invention, the invention further comprises heating plates, wherein the two heating plates are symmetrically arranged in the vertical channel, and the two heating plates are respectively positioned at two sides of the through hole.
As a preferable technical scheme of the invention, the air bag is connected to the outer side of the connecting rod, air supply channels are formed in the magnetic blocks and the connecting rod, and the air bag is inflated by the air inflation component through the air supply channels to be attached to the inner wall of the metal insert.
As a preferable technical scheme of the invention, the inflation assembly comprises an electric push rod II, a hollow frame, a connecting pipe and a piston plate, wherein the electric push rod II and the hollow frame are connected in the accommodating groove, the hollow frame is positioned on the side surface of the electric push rod II, the connecting pipe is connected on the side surface of the hollow frame, the end part of the connecting pipe is positioned in the air supply channel, the piston plate is slidably connected in the hollow frame, and the side surface of the piston plate is connected with a telescopic rod of the electric push rod II.
The invention has the beneficial effects that through the design of the vertical channel and the transverse channel, the metal inserts can be arranged in the vertical channel and the transverse channel according to the required direction, then the metal inserts can be sucked through the magnetic blocks and can be driven to move into the cavity of the female die along the transverse channel, so that the metal inserts can be automatically embedded into the die without external equipment, the cost is lower, and the risk of dropping or placing the inserts in place is avoided.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Figure 2 is a cross-sectional view of the male die of the present invention.
Fig. 3 is an enlarged view of section a of fig. 2 in accordance with the present invention.
Fig. 4 is an installation schematic diagram of the feeding mechanism of the present invention.
Fig. 5 is a schematic view showing a separation structure of the fixing sleeve and the ball lock pin of the present invention.
Fig. 6 is a cross-sectional view of the storage tray of the present invention.
FIG. 7 is a schematic view of the installation of the material blocking assembly and the cue assembly of the present invention.
Fig. 8 is a schematic diagram showing a specific structure of a fixed magnetic plate, a sliding magnetic plate, a mounting rod and a contact switch according to the present invention.
Fig. 9 is a schematic view of the installation of the heating plate of the present invention.
FIG. 10 is a schematic view of the installation of the air bag of the present invention.
FIG. 11 is a cross-sectional view of a magnet, a connecting rod, a connecting plate and an air bag of the present invention.
FIG. 12 is a schematic view of the installation of the inflation assembly of the present invention.
The drawing shows that the device comprises a 1-female die, a 2-male die, a 201-injection hole, a 202-vertical channel, a 203-transverse channel, a 204-through hole, a 205-containing groove, a 3-electric push rod I, a 4-magnetic block, a 5-connecting rod, a 6-connecting plate, a 7-limiting block, an 8-connecting spring, a 9-stock tray, a 10-handle, an 11-guiding frame, a 12-fixed sleeve, a 13-ball locking pin, a 14-push plate, a 15-compression spring, a 16-connecting block, a 17-rotating baffle plate, a 18-torsion spring, a 19-fixed magnetic plate, a 20-sliding magnetic plate, a 21-mounting rod, a 22-buzzer, a 23-contact switch, a 24-heating plate, a 25-air bag, a 26-air supply channel, a 27-electric push rod II, a 28-hollow frame, a 29-connecting pipe and a 30-piston plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An injection mold for automatically embedding a metal insert, as shown in fig. 1-7, comprises a female mold 1 and a male mold 2, wherein the female mold 1 and the male mold 2 are arranged in bilateral symmetry, an injection hole 201 is formed in the middle of the male mold 2, after the female mold 1 and the male mold 2 are assembled, raw materials can be injected into a cavity of the female mold 1 through the injection hole 201, and an injection molding process can be completed after the raw materials are cooled and molded; the device also comprises an electric push rod I3, a magnetic block 4, a connecting rod 5, a connecting plate 6, a limiting component and a feeding mechanism, wherein three vertical channels 202 and three transverse channels 203 are uniformly spaced from front to back on the left side of the inner side of the male die 2, the vertical channels 202 are in one-to-one correspondence with the transverse channels 203, the transverse channels 203 are positioned under the corresponding vertical channels 202, the upper ends of the vertical channels 202 are exposed out of the top surface of the male die 2, the left ends of the transverse channels 203 are exposed out of the left side surface of the male die 2, through holes 204 are formed in the bottom surfaces of the three vertical channels 202, so that the lower ends of the vertical channels 202 can be communicated with the top surface of the transverse channels 203 through the through holes 204, three containing grooves 205 are uniformly spaced from front to back on the right side of the inner side of the male die 2, the accommodating grooves 205 are in one-to-one correspondence with the transverse channels 203, the accommodating grooves 205 are communicated with the corresponding transverse channels 203, the inner top surfaces of the three accommodating grooves 205 are connected with electric push rods I3, the magnetic blocks 4 are connected to telescopic rods of the electric push rods I3, the magnetic blocks 4 are positioned in the transverse channels 203, the left sides of the magnetic blocks 4 are connected with connecting rods 5, the left ends of the connecting rods 5 are connected with connecting plates 6, the connecting plates 6 are circular, the diameters of the connecting plates 6 are consistent with the inner diameters of the metal inserts, the diameters of the connecting rods 5 are smaller than the inner diameters of the metal inserts, so that the connecting rods 5 and the connecting plates 6 can penetrate through the inner walls of the metal inserts, the limiting assemblies are used for limiting the metal inserts in the transverse channels 203, the loading mechanism is used to transport the metal inserts into the vertical channels 202.
As shown in fig. 2 and 3, the limiting component comprises a limiting block 7 and a connecting spring 8, wherein three limiting blocks 7 are slidably connected to the left side of the upper portion of the male die 2 side at equal intervals from front to back, the limiting blocks 7 are in one-to-one correspondence with the transverse channels 203, the top surfaces of the limiting blocks 7 protrude out of the left side of the bottom surfaces of the corresponding transverse channels 203, the top surfaces of the limiting blocks 7 are cambered surfaces, and two ends of the connecting spring 8 are respectively connected with the bottom surfaces of the limiting blocks 7 and the male die 2.
As shown in fig. 4-7, the feeding mechanism comprises a storage tray 9, a handle 10, a guide frame 11, a fixed sleeve 12, ball locking pins 13, push plates 14, compression springs 15 and a material blocking component, wherein three storage trays 9 are uniformly arranged on the top surface of a male die 2 at intervals from front to back, guide channels are formed in the three storage trays 9, the shape of each guide channel is in a mosquito-repellent incense tray shape (as shown in fig. 6), round holes are formed in the middle of each storage tray 9, the handle 10 is connected to the top surface of the storage tray 9, the handle 10 is in an inverted U shape, three guide frames 11 are uniformly connected to the top surface of the male die 2 at intervals from front to back, the guide frames 11 are in one-to-one correspondence with the vertical channels 202, the bottom surface of each guide frame 11 is communicated with the upper end of the corresponding vertical channel 202, three fixed sleeves 12 are uniformly connected to the top surface of the male die 2 at intervals from front to back, the fixed sleeves 12 are in one-to-one correspondence with the storage tray 9, the fixed sleeves 12 are all in sliding penetration with round holes corresponding to the middle parts of the storage trays 9 and used for limiting the storage trays 9, clamping grooves (not shown in the figure) are formed in the inner walls of the fixed sleeves 12, the ball locking pins 13 are connected to the handles 10, the ball locking pins 13 penetrate through the round holes corresponding to the middle parts of the storage trays 9, the ball locking pins 13 are in one-to-one correspondence with the fixed sleeves 12, the ball locking pins 13 can be inserted into the corresponding fixed sleeves 12, then clamping beads in the ball locking pins 13 can be ejected out of the clamping grooves clamped in the fixed sleeves 12 due to the action of springs (in the prior art) so as to lock the storage trays 9, pushing plates 14 are all in sliding connection in the guide channels of the three storage trays 9, the initial positions of the pushing plates 14 are positioned at the discharge ends of the guide channels (shown in figure 6), the bottom surfaces of the pushing plates 14 are in contact with the inner walls of the guide channels, the three storage trays 9 are respectively provided with compression springs 15 in guide channels, the compression springs 15 are distributed in a mosquito-repellent incense disc shape along the guide channels, two ends of each compression spring 15 are respectively connected with the side face of a push plate 14 and the inner wall of each storage tray 9, a material blocking component is used for blocking metal inserts in the storage tray 9 and comprises a connecting block 16, a rotating baffle 17 and a torsion spring 18, the connecting block 16 is connected to the front left side of each storage tray 9, the rotating baffle 17 is rotationally connected to the front side of the connecting block 16, the right side face of the rotating baffle 17 is a cambered surface due to the semicircular overall shape of the rotating baffle 17, a deflector rod is further connected to the rotating baffle 17, the rotating baffle 17 is convenient to manually control to rotate, the rotating baffle 17 is in contact fit with a guide frame 11, the torsion spring 18 is wound on a rotating shaft of the rotating baffle 17, and two ends of the torsion spring 18 are respectively connected with the rotating baffle 17 and the connecting block 16.
Initially, the push plate 14 is positioned at the discharge end of the guide channel of the stock tray 9, and the rotary baffle 17 blocks the front side of the push plate 14; when the die is required to be used, the rotating baffle 17 is firstly rotated left, the torsion spring 18 deforms, so that the rotating baffle 17 does not block the front side of the push plate 14 any more, then a proper amount of metal inserts are sequentially plugged into the guide channel of the storage disc 9, the metal inserts can squeeze the push plate 14 to gradually enter the guide channel of the storage disc 9, the compression spring 15 compresses, then the rotating baffle 17 is loosened, the torsion spring 18 can restore to the original state, the rotating baffle 17 is driven to rotate and reset to the right, and the front side of the metal insert at the forefront side can be blocked by the rotating baffle 17; then holding the handle 10 to place the stock disc 9 on the top surface of the male die 2 in a well-adjusted direction, inserting the ball locking pin 13 into the fixed sleeve 12, locking the stock disc 9 by matching the ball locking pin 13 with the fixed sleeve 12, simultaneously enabling the rotating baffle 17 to be in contact with the guide frame 11, enabling the guide frame 11 to press the rotating baffle 17 to rotate leftwards, deforming the torsion spring 18, enabling the rotating baffle 17 not to block the front side of the forefront metal insert any more, enabling the rear side of the guide frame 11 to be aligned with the discharging end of the guide channel of the stock disc 9, gradually restoring the compression spring 15, driving the push plate 14 to pop out along the guide channel of the stock disc 9, pushing out the metal insert in the guide channel of the stock disc 9 by the push plate 14, enabling the metal insert in the guide channel of the stock disc 9 to drop into the vertical channel 202 sequentially through the guide frame 11, enabling the metal insert at the bottommost side in the vertical channel 202 to drop downwards into the transverse channel 203 through the through hole 204, and then controlling the expansion rod of the electric push rod I3 to stretch, and driving the magnetic block 4 The connecting rod 5 and the connecting plate 6 move leftwards, so that the connecting plate 6 and the connecting rod 5 can sequentially pass through the inner sides of the metal inserts in the transverse channel 203, the limiting block 7 blocks the left side of the metal inserts in the transverse channel 203, so that the metal inserts in the transverse channel 203 can be limited, the metal inserts in the transverse channel 203 are prevented from moving until the magnetic block 4 contacts with the right side of the metal inserts in the transverse channel 203, the magnetic block 4 can absorb the metal inserts in the transverse channel 203 through magnetic force, the connecting plate 6 is just positioned on the left side of the metal inserts in the transverse channel 203, then the magnetic block 4 continues to move leftwards, the metal inserts in the transverse channel 203 can be driven to move leftwards, because the top surface of the limiting block 7 is a cambered surface, the metal insert can extrude the limiting block 7 to move downwards, the connecting spring 8 is compressed, so that the limiting block 7 can not influence the movement of the metal insert in the transverse channel 203, then the metal insert can be separated from the limiting block 7, the connecting spring 8 can restore to the original state, the limiting block 7 is driven to move upwards to reset, the magnetic block 4 drives the metal insert to continue to move leftwards, the metal insert can penetrate out of the left end of the transverse channel 203 until the magnetic block 4 moves to the left end of the transverse channel 203, the electric push rod I3 is controlled to stop working, and at the moment, the telescopic rod of the electric push rod I3 is positioned in the transverse channel 203 and can block other metal inserts in the vertical channel 202; then the female die 1 and the male die 2 are controlled to be matched, the male die 2 can drive the metal insert to move to a designated position in the cavity of the female die 1, at the moment, a proper amount of raw materials can be injected between the female die 1 and the male die 2 through the injection hole 201, the raw materials cannot enter the inner side of the metal insert because the connecting plate 6 blocks the left side of the metal insert in the transverse channel 203, the magnetic block 4 blocks the left end of the transverse channel 203, the raw materials can not enter the transverse channel 203, then wait for the raw materials to be cooled and molded in the cavity of the female die 1, then control the telescopic rod of the electric push rod I3 to shorten and reset, and can drive the magnetic block 4, The connecting rod 5 and the connecting plate 6 move to the right to reset, and as the metal inserts are connected with the molded plastic products, the magnetic block 4, the connecting rod 5 and the connecting plate 6 can be separated from the metal inserts, then the next metal insert in the vertical channel 202 can drop down into the transverse channel 203, then the female die 1 and the male die 2 are controlled to be separated, the molded plastic products can be taken out manually, the operation is repeated, and the metal inserts can be automatically buried in the cavity of the female die 1 again, so that the metal inserts can be automatically buried in the die without external equipment, the cost is lower, and the risk that the inserts drop or cannot be placed in place is avoided.
As shown in fig. 7 and 8, the device further comprises a prompt component, the prompt component comprises a fixed magnetic plate 19, a sliding magnetic plate 20, a mounting rod 21, a buzzer 22 and a contact switch 23, the fixed magnetic plate 19 is connected to the top surface of the push plate 14, the top surface of the fixed magnetic plate 19 is in contact with the inner wall of a guide channel of the storage disc 9, the sliding magnetic plate 20 is slidably connected to the storage disc 9, the sliding magnetic plate 20 is located right above the fixed magnetic plate 19, one ends of the sliding magnetic plate 20 and the fixed magnetic plate 19 close to each other are the same magnetic pole, the rear side of the lower end of the sliding magnetic plate 20 is an inclined plane, the mounting rod 21 and the buzzer 22 are connected to the left side of the top surface of the storage disc 9, the contact switch 23 is mounted on the bottom surface of the mounting rod 21, and the contact switch 23 is located right above the sliding magnetic plate 20.
The buzzer 22 is in an electrified state when the metal inserts are manually installed in the guide channels of the stock disc 9, the metal inserts can extrude the push plate 14 to gradually enter the guide channels of the stock disc 9, the push plate 14 can drive the fixed magnetic plate 19 to enter the guide channels of the stock disc 9, the fixed magnetic plate 19 is not located right below the sliding magnetic plate 2 any more, the sliding magnetic plate 20 can slide downwards under the action of gravity to separate the top surface of the sliding magnetic plate 20 from the contact switch 23, when the stock disc 9 is manually installed on the top surface of the male die 2, the buzzer 22 can be controlled to be in an electrified state, and after the metal inserts in the guide channels of the stock disc 9 are completely used up by the push plate 14, the fixed magnetic plate 19 can be driven to return to the right below the sliding magnetic plate 2 again, the homopolar magnetic force of the fixed magnetic plate 19 and the sliding magnetic plate 20 is utilized, the fixed magnetic plate 19 can be driven to move upwards through the sliding magnetic plate 20 to contact the contact switch 23, and the buzzer 22 can be controlled to be contacted with the metal inserts in time when the upper surface of the male die 2 is contacted with the contact switch 23, and the magnetic force is warned.
As shown in FIG. 9, the plastic molding machine further comprises heating plates 24, wherein the heating plates 24 are arranged on the left side and the right side of the inside of the vertical channel 202, the number of the heating plates 24 is two, the two heating plates 24 are respectively positioned on the left side and the right side of the through hole 204, the sides, close to each other, of the upper ends of the heating plates 24 are cambered surfaces, so that the metal inserts in the vertical channel 202 can be conveniently fed into the vertical channel 202, and the metal inserts in the vertical channel 202 can be preheated in advance through the heating plates 24, so that the temperature difference between the metal inserts and plastic melt can be reduced, the stress cracking risk in plastic products is reduced, and the better bonding effect between the plastic products and the metal inserts can be ensured.
As shown in fig. 10-12, the air bag 25 and the inflation assembly are further included, the air bag 25 is wrapped on the outer side of the connecting rod 5, the magnetic block 4 and the connecting rod 5 are internally provided with an air supply channel 26, the air supply channel 26 is L-shaped, the right end of the air supply channel 26 is exposed out of the right side surface of the magnetic block 4, the upper end of the air supply channel 26 is communicated with the air bag 25, the inflation assembly injects air into the air bag 25 through the air supply channel 26 so that the air bag 25 is inflated to be attached to the inner wall of the metal insert, the inflation assembly comprises an electric push rod II27, a hollow frame 28, a connecting pipe 29 and a piston plate 30, the electric push rod II27 and the hollow frame 28 are connected to the bottom surface of the accommodating groove 205, the hollow frame 28 is positioned on the left side of the electric push rod II27, the connecting pipe 29 is connected to the left side of the hollow frame 28, the left end of the connecting pipe 29 is positioned in the air supply channel 26, the piston plate 30 is slidingly connected to the hollow frame 28, and the right side of the piston plate 30 is connected with the telescopic rod of the electric push rod II 27.
The common metal inserts are provided with nuts and bushings, as the inner wall of the nuts is provided with screw grooves, and the screw hole ends of the nuts are subjected to chamfering treatment so as to be convenient for installing the nuts and the screws, when the nut is buried, even if the connecting plate 6 can block the left side surface of the nuts, the connecting plate 6 cannot be attached to the left side surface of the nuts, so that plastic raw materials in a cavity of the female die 1 possibly enter the screw grooves of the nuts through the screw hole ends of the nuts, when the nut is buried, the air bag 25 moves to the inner side of the nuts along with the connecting rod 5, then the expansion rod of the electric push rod II27 can be controlled to extend, the piston plate 30 is driven to move leftwards in the hollow frame 28, the piston plate 30 can squeeze air in the hollow frame 28 into the connecting pipe 29, the connecting pipe 29 can inject the air into the air bag 25, the air bag 25 can expand to attach the screw grooves of the inner wall of the nuts, the screw grooves of the inner wall of the nuts can be blocked, plastic raw materials in the cavity of the female die 1 can be prevented from entering the screw grooves of the inner wall, after the plastic products are molded, the piston rod of the electric push rod II27 can be controlled to be shortened, the piston plate 30 can be driven to move leftwards in the hollow frame 28, and the hollow frame 28 can be restored by resetting the air bag 25.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.

Claims (3)

1.一种自动埋入金属嵌件的注塑模具,包括有凹模(1)和凸模(2),凹模(1)与凸模(2)呈左右对称设置,且凸模(2)侧面开有注塑孔(201),其特征在于,还包括有电动推杆Ⅰ(3)、磁块(4)、连杆(5)、连接板(6)、限位组件和上料机构,凸模(2)内间隔开有竖向通道(202)和横向通道(203),且竖向通道(202)底面开有通孔(204),以使竖向通道(202)通过通孔(204)与横向通道(203)连通,凸模(2)内开有容纳槽(205),且容纳槽(205)与横向通道(203)连通,电动推杆Ⅰ(3)间隔安装于容纳槽(205)内,磁块(4)连接于电动推杆Ⅰ(3)的伸缩杆上,且磁块(4)位于横向通道(203)内部,连接板(6)通过连杆(5)连接于磁块(4)侧面,限位组件用于对横向通道(203)内的金属嵌件进行限位,上料机构用于将金属嵌件输送至竖向通道(202)内;限位组件包括有限位块(7)和连接弹簧(8),限位块(7)滑动连接于凸模(2)内,且限位块(7)顶面凸出横向通道(203)底面,连接弹簧(8)连接限位块(7)和凸模(2);上料机构包括有存料盘(9)、把手(10)、导料框(11)、固定套(12)、滚珠锁紧销(13)、推板(14)、压缩弹簧(15)和挡料组件,存料盘(9)间隔放置于凸模(2)顶面,把手(10)连接于存料盘(9)顶面,导料框(11)间隔连接于凸模(2)顶面,且导料框(11)底面与竖向通道(202)上端连通,固定套(12)间隔连接于凸模(2)顶面,滚珠锁紧销(13)连接于把手(10)上,且滚珠锁紧销(13)贯穿存料盘(9)中部,滚珠锁紧销(13)与固定套(12)插接配合,推板(14)滑动连接于存料盘(9)内,压缩弹簧(15)连接推板(14)和存料盘(9),挡料组件用于挡住存料盘(9)内的金属嵌件;挡料组件包括有连接块(16)、转动挡板(17)和扭簧(18),连接块(16)连接于存料盘(9)侧面,转动挡板(17)转动连接于连接块(16)上,扭簧(18)连接转动挡板(17)和连接块(16);还包括有加热板(24),两个加热板(24)对称安装于竖向通道(202)内,且两个加热板(24)分别位于通孔(204)的两侧;还包括有气囊(25)和充气组件,气囊(25)连接于连杆(5)外侧,且磁块(4)和连杆(5)内部开有供气通道(26),充气组件通过供气通道(26)将空气注入气囊(25)内,以使气囊(25)膨胀贴合金属嵌件内壁;滚珠锁紧销(13)与固定套(12)配合能对存料盘(9)进行锁定,同时转动挡板(17)会与导料框(11)接触,导料框(11)会挤压转动挡板(17)往左转动,扭簧(18)发生形变,使转动挡板(17)不再挡住最前侧的金属嵌件前侧,而且导料框(11)后侧面能与存料盘(9)的导向通道出料端对齐,此时压缩弹簧(15)会逐渐恢复原状,带动推板(14)沿着存料盘(9)的导向通道往外弹出,而推板(14)能将存料盘(9)导向通道内的金属嵌件推出,使存料盘(9)导向通道内的金属嵌件能依次通过导料框(11)掉落至竖向通道(202)内;控制电动推杆Ⅰ(3)的伸缩杆伸长,能驱动磁块(4)、连杆(5)和连接板(6)往左运动,以使连接板(6)和连杆(5)能依次穿过横向通道(203)内的金属嵌件内侧,由于限位块(7)挡住横向通道(203)内的金属嵌件左侧,从而能对横向通道(203)内的金属嵌件进行限位,直至磁块(4)与横向通道(203)内的金属嵌件右侧接触,磁块(4)通过磁力能吸住横向通道(203)内的金属嵌件,此时连接板(6)刚好位于横向通道(203)内的金属嵌件左侧面,随后磁块(4)继续往左运动,能带动横向通道(203)内的金属嵌件往左运动,由于限位块(7)顶面为弧面,所以金属嵌件会挤压限位块(7)往下运动,连接弹簧(8)压缩,以使限位块(7)不会影响金属嵌件在横向通道(203)内的移动,随后金属嵌件会与限位块(7)分离,连接弹簧(8)会恢复原状,带动限位块(7)往上运动复位,磁块(4)带动金属嵌件继续往左运动,能使金属嵌件穿出横向通道(203)左端,直至磁块(4)移动至横向通道(203)左端。1. An injection mold for automatically embedding a metal insert, comprising a die (1) and a punch (2), wherein the die (1) and the punch (2) are arranged symmetrically, and an injection hole (201) is opened on the side of the punch (2), characterized in that it also comprises an electric push rod I (3), a magnetic block (4), a connecting rod (5), a connecting plate (6), a limit assembly and a feeding mechanism, wherein a vertical channel (202) and a transverse channel (203) are separated in the punch (2), and a through hole (204) is opened on the bottom surface of the vertical channel (202) so that the vertical channel (202) is connected to the transverse channel (203) through the through hole (204), and a receiving groove is opened in the punch (2) (205), and the accommodating groove (205) is connected to the transverse channel (203), the electric push rod I (3) is installed in the accommodating groove (205) at intervals, the magnetic block (4) is connected to the telescopic rod of the electric push rod I (3), and the magnetic block (4) is located inside the transverse channel (203), the connecting plate (6) is connected to the side of the magnetic block (4) through the connecting rod (5), the limiting component is used to limit the metal insert in the transverse channel (203), and the feeding mechanism is used to transport the metal insert into the vertical channel (202); the limiting component includes a limiting block (7) and a connecting spring (8), the limiting block (7) is slidably connected to the punch (2), and the limiting block (7) ) top surface protrudes from the bottom surface of the transverse channel (203), and the connecting spring (8) connects the limit block (7) and the punch (2); the feeding mechanism includes a material storage tray (9), a handle (10), a material guide frame (11), a fixing sleeve (12), a ball locking pin (13), a push plate (14), a compression spring (15) and a material blocking assembly, the material storage tray (9) is placed on the top surface of the punch (2) at intervals, the handle (10) is connected to the top surface of the material storage tray (9), the material guide frame (11) is connected to the top surface of the punch (2) at intervals, and the bottom surface of the material guide frame (11) is connected to the upper end of the vertical channel (202), the fixing sleeve (12) is connected to the top surface of the punch (2) at intervals, and the ball locking pin ( The material retaining assembly comprises a connecting block (16), a rotating baffle plate (17) and a torsion spring (18). The connecting block (16) is connected to the side of the material storage tray (9). The rotating baffle plate (17) is rotatably connected to the connecting block (16). The torsion spring (18) connects the rotating baffle plate (17) and the connecting block (16). ); also includes a heating plate (24), two heating plates (24) are symmetrically installed in the vertical channel (202), and the two heating plates (24) are respectively located on both sides of the through hole (204); also includes an air bag (25) and an inflation component, the air bag (25) is connected to the outside of the connecting rod (5), and the magnetic block (4) and the connecting rod (5) are provided with an air supply channel (26), and the inflation component injects air into the air bag (25) through the air supply channel (26) so that the air bag (25) expands and fits the inner wall of the metal insert; the ball locking pin (13) cooperates with the fixing sleeve (12) to lock the material storage tray (9), and at the same time, the rotating baffle (17) will engage with the material guide frame (11), the material guide frame (11) will squeeze the rotating baffle (17) to rotate to the left, and the torsion spring (18) will deform, so that the rotating baffle (17) no longer blocks the front side of the frontmost metal insert, and the rear side of the material guide frame (11) can be aligned with the discharge end of the guide channel of the material storage tray (9). At this time, the compression spring (15) will gradually return to its original state, driving the push plate (14) to pop out along the guide channel of the material storage tray (9), and the push plate (14) can push out the metal insert in the guide channel of the material storage tray (9), so that the metal insert in the guide channel of the material storage tray (9) can fall into the vertical channel (202) through the material guide frame (11) in turn; control the electric push plate (15) to push the push plate (14) to push out the metal insert in the guide channel of the material storage tray (9), so that the metal insert in the guide channel of the material storage tray (9) can fall into the vertical channel (202) in turn. The telescopic rod of rod I (3) is extended to drive the magnetic block (4), the connecting rod (5) and the connecting plate (6) to move to the left, so that the connecting plate (6) and the connecting rod (5) can sequentially pass through the inner side of the metal insert in the transverse channel (203). Since the limit block (7) blocks the left side of the metal insert in the transverse channel (203), the metal insert in the transverse channel (203) can be limited until the magnetic block (4) contacts the right side of the metal insert in the transverse channel (203). The magnetic block (4) can attract the metal insert in the transverse channel (203) through magnetic force. At this time, the connecting plate (6) is just located on the left side of the metal insert in the transverse channel (203). The rear magnetic block (4) continues to move to the left, which can drive the metal insert in the transverse channel (203) to move to the left. Since the top surface of the limit block (7) is an arc surface, the metal insert will squeeze the limit block (7) to move downward, and the connecting spring (8) will be compressed so that the limit block (7) will not affect the movement of the metal insert in the transverse channel (203). Then, the metal insert will separate from the limit block (7), and the connecting spring (8) will return to its original state, driving the limit block (7) to move upward and reset. The magnetic block (4) drives the metal insert to continue to move to the left, so that the metal insert can pass through the left end of the transverse channel (203) until the magnetic block (4) moves to the left end of the transverse channel (203). 2.如权利要求1所述的一种自动埋入金属嵌件的注塑模具,其特征在于,还包括有提示组件,提示组件包括有固定磁板(19)、滑动磁板(20)、安装杆(21)、蜂鸣器(22)和接触开关(23),固定磁板(19)连接于推板(14)顶面,滑动磁板(20)滑动连接于存料盘(9)上,安装杆(21)连接于存料盘(9)上,蜂鸣器(22)安装于存料盘(9)顶面,接触开关(23)安装于安装杆(21)底面,且接触开关(23)位于滑动磁板(20)正上方。2. An injection mold for automatically embedding metal inserts as described in claim 1, characterized in that it also includes a prompt component, the prompt component includes a fixed magnetic plate (19), a sliding magnetic plate (20), a mounting rod (21), a buzzer (22) and a contact switch (23), the fixed magnetic plate (19) is connected to the top surface of the push plate (14), the sliding magnetic plate (20) is slidably connected to the material storage tray (9), the mounting rod (21) is connected to the material storage tray (9), the buzzer (22) is installed on the top surface of the material storage tray (9), the contact switch (23) is installed on the bottom surface of the mounting rod (21), and the contact switch (23) is located directly above the sliding magnetic plate (20). 3.如权利要求2所述的一种自动埋入金属嵌件的注塑模具,其特征在于,充气组件包括有电动推杆Ⅱ(27)、空心框(28)、连接管(29)和活塞板(30),电动推杆Ⅱ(27)和空心框(28)均连接于容纳槽(205)内,且空心框(28)位于电动推杆Ⅱ(27)侧面,连接管(29)连接于空心框(28)侧面,且连接管(29)端部位于供气通道(26)内,活塞板(30)滑动连接于空心框(28)内,且活塞板(30)侧面与电动推杆Ⅱ(27)的伸缩杆连接。3. An injection mold for automatically embedding metal inserts as described in claim 2, characterized in that the inflation component includes an electric push rod II (27), a hollow frame (28), a connecting pipe (29) and a piston plate (30), the electric push rod II (27) and the hollow frame (28) are both connected to the accommodating groove (205), and the hollow frame (28) is located on the side of the electric push rod II (27), the connecting pipe (29) is connected to the side of the hollow frame (28), and the end of the connecting pipe (29) is located in the air supply channel (26), the piston plate (30) is slidably connected to the hollow frame (28), and the side of the piston plate (30) is connected to the telescopic rod of the electric push rod II (27).
CN202411230145.0A 2024-09-04 2024-09-04 Injection mold capable of automatically embedding metal inserts Active CN118721591B (en)

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