CN119458757A - A fully automatic injection molding process for connecting terminals - Google Patents

A fully automatic injection molding process for connecting terminals Download PDF

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Publication number
CN119458757A
CN119458757A CN202510054938.XA CN202510054938A CN119458757A CN 119458757 A CN119458757 A CN 119458757A CN 202510054938 A CN202510054938 A CN 202510054938A CN 119458757 A CN119458757 A CN 119458757A
Authority
CN
China
Prior art keywords
fixedly connected
plate
injection molding
connecting terminal
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202510054938.XA
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Chinese (zh)
Other versions
CN119458757B (en
Inventor
王佳颖
王伟
王坚波
欧阳辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jinling Electronics Co ltd
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Shenzhen Jinling Electronics Co ltd
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Application filed by Shenzhen Jinling Electronics Co ltd filed Critical Shenzhen Jinling Electronics Co ltd
Priority to CN202510054938.XA priority Critical patent/CN119458757B/en
Publication of CN119458757A publication Critical patent/CN119458757A/en
Application granted granted Critical
Publication of CN119458757B publication Critical patent/CN119458757B/en
Active legal-status Critical Current
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Classifications

    • 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
    • B29C45/03Injection moulding apparatus
    • 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
    • B29C45/1769Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
    • 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
    • B29C45/18Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
    • 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
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • B29C45/531Drive means therefor
    • 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
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/568Applying vibrations to the mould parts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • 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
    • B29C45/1769Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
    • B29C2045/177Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners stacking moulded articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/34Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/36Plugs, connectors, or parts thereof

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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 technical field of connecting terminal injection molding, in particular to a full-automatic connecting terminal injection molding process, which comprises a box body, wherein a first hydraulic cylinder is arranged on the upper surface of the box body, a molding hydraulic plate is fixedly connected to the output end of the first hydraulic cylinder, an air pump is fixedly connected to the upper surface of the box body, a conveying tank is fixedly connected to one side of the air pump, a first shell is fixedly connected to one side of the box body, a collecting frame is arranged on the first shell and is used for collecting connecting terminals, a conveyor belt is arranged in the first shell and is used for conveying the collecting frame, and the problems that a connecting terminal template and a molding frame are arranged in an injection molding mode, the molding frame occupies a large space in a storage box due to the fact that the size of the molding frame is large, and therefore the connecting terminal possibly overflows after the storage box is stored for a certain time, the utilization rate of the inner space is small, the quality is insufficient, and the storage box cannot be pressed down due to gravity are solved.

Description

Full-automatic injection molding process for connecting terminal
Technical Field
The invention belongs to the technical field of injection molding processing of connecting terminals, and particularly relates to a full-automatic injection molding processing technology of a connecting terminal.
Background
The connecting terminal is used as a key component for electric connection, plays a vital role in industrial automation, electronic equipment and various electric systems, and is mainly composed of a conductive sheet and a plastic shell, wherein the conductive sheet is responsible for realizing electric connection, the plastic shell plays a role in fixing and protecting the conductive sheet, and the plastic shell is usually manufactured by adopting an injection molding technology.
One patent with publication number CN114211690A discloses an injection molding machine for terminal shaping, including the injection molding machine body, be equipped with the discharge gate that is used for the ejection of compact on the injection molding machine body, be provided with the receipts work or material rest that is located the discharge gate below on the injection molding machine body, receive the work or material rest including the bottom plate, be located the locating plate of bottom plate top and be fixed in the riser between bottom plate and the locating plate, offer the hole of stepping down that is located the discharge gate directly under on the locating plate, slide along vertical direction in the hole of stepping down and be provided with the backup pad that is used for placing the containing box, be connected with the elastic component that can produce deformation along vertical direction on the bottom plate, the locating plate is slope setting and upside fixedly connected with baffle, when the elastic component is in natural state, the top surface of backup pad and the top surface parallel and level of locating plate baffle butt are in the containing box below of placing in the backup pad.
In the process of using the injection molding machine for terminal molding, two mold plates are spliced, after the splicing, the heating tank is used for leading in plastic fluid after heating and melting into the hydraulic conveying pipe under the action of the air pump, then the hydraulic conveying pipe is used for leading in the grinding tool between the two mold plates with the plastic fluid, after the connecting terminal between the two mold plates is cooled and molded, the two mold plates are opened, the connecting terminal and the molding frame of the injection molding are propped down together through the ejector pin in one mold plate, and then fall into the containing box, but due to the fact that the connecting terminal and the molding frame are arranged in the injection molding of the mold plates, the volume of the molding frame is large, the large space is occupied in the containing box, so that the connecting terminal possibly overflows after being stored for a certain time, but the utilization rate of the internal space is small, the quality is insufficient, the containing box cannot be pressed down due to gravity, and accordingly replacement work is carried out, and meanwhile, the connecting terminal and the molding frame in the containing box is required to be singly screened, so that the processing process is complicated.
Therefore, the invention provides a full-automatic injection molding process for the connecting terminal.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted by the invention for solving the technical problems is that the full-automatic injection molding processing technology of the connecting terminal comprises the following specific steps:
Step one, raw material preparation, namely selecting a proper plastic raw material, preprocessing, drying and mixing colors to ensure the quality of the raw material and the injection molding;
And secondly, injection molding, namely adding the pretreated plastic raw material into a hopper of an injection molding machine, melting the plastic and reaching a set injection molding temperature through heating and shearing action of a screw rod, injecting the melted plastic into a mold at high pressure and high speed by the injection molding machine, filling a mold cavity and forming the preliminary shape of a connecting terminal, and gradually cooling and solidifying the plastic in the mold under the action of a cooling system to form the connecting terminal.
Preferably, the injection molding machine comprises a box body, a first hydraulic cylinder is arranged on the upper surface of the box body, a forming hydraulic plate is fixedly connected to the output end of the first hydraulic cylinder, an air pump is fixedly connected to the upper surface of the box body, a conveying tank is fixedly connected to one side of the air pump, a hydraulic conveying pipe is fixedly connected to one side of the conveying tank, an auxiliary plate is fixedly connected to one end, far away from the conveying tank, of the hydraulic conveying pipe, the forming hydraulic plate is abutted to the auxiliary plate to form a forming die, and a discharging opening is formed in one side of the box body;
a first shell is fixedly connected to one side of the box body, a collecting frame is arranged on the first shell and used for collecting the connecting terminals, and a conveyor belt is arranged in the first shell and used for conveying the collecting frame;
The box body is internally provided with a first box body, the first box body is internally provided with a collecting tank, the bottom surface of the first box body is provided with a plurality of blanking holes, the blanking holes are used for falling connecting terminals, the bottom surface of the first box body is fixedly connected with a plurality of cones, and the cones are used for assisting the connecting terminals in blanking.
Preferably, one side rigid coupling of first framework has the axis of rotation, it is connected with the rotor plate to rotate on the periphery of axis of rotation, the inside rigid coupling of box has the second pneumatic cylinder, the output rigid coupling of second pneumatic cylinder has the fixed column, the one end rigid coupling of fixed column has the locating plate, the lower surface of locating plate slides and is provided with vibrations spare, vibrations spare is including sliding a plurality of montant that sets up at the locating plate lower surface.
Preferably, the vibration piece further comprises a first groove body arranged on the lower surface of the positioning plate, a sliding plate is slidably connected in the first groove body, a pressure spring is fixedly connected to one end of the sliding plate, one end of the pressure spring is fixedly connected with the inner wall of the positioning plate, a plurality of vertical rods are fixedly connected to the lower surface of the sliding plate, a plurality of cross rods are fixedly connected to one sides of the vertical rods, protruding blocks are fixedly connected to the other ends of the sliding plate, a limiting plate is fixedly connected to one side of the first frame body, corresponding to the protruding blocks, and a plurality of protruding plates are fixedly connected to one side of the limiting plate.
Preferably, a pressure sensor is fixedly connected to one side of the rotating plate, a jack post is fixedly connected to the positioning plate corresponding to the position of the pressure sensor, and the jack post is made of rubber and used for extruding and protecting the pressure sensor.
Preferably, the circumference of the fixed column is fixedly connected with a fixed plate, one side of the fixed plate is fixedly connected with a plurality of inserting rods, the position of the first frame body corresponding to the inserting rods is provided with a connecting groove, and a plurality of inserting rods can be inserted into the connecting groove and used for poking the connecting terminals.
Preferably, a plurality of second groove bodies are formed in two sides of each inserting rod, a fixed shaft is fixedly connected in each second groove body, a torsion spring is sleeved on the circumferential surface of each fixed shaft, and a deflector rod is fixedly connected on the circumferential surface of each torsion spring.
Preferably, the two ends of the rotating plate are fixedly connected with inserting plates, two inserting grooves are formed in one side of the first frame body, and the two inserting plates can be inserted into the inserting grooves and used for assisting the stable insertion of the rotating plate and the first frame body.
Preferably, the fixed slot has been seted up to the inside roof of box, fixed slot roof rigid coupling has the third pneumatic cylinder, the output of third pneumatic cylinder holds the bottom plate, the lower surface rigid coupling of bottom plate has a plurality of cardboard, and a plurality of the cardboard is used for assisting the unloading of shaping frame.
Preferably, the inside of box is provided with places the case, the holding tank has been seted up to place the incasement, one side rigid coupling of box has the backup pad, the upper surface rigid coupling of backup pad has first motor, the output rigid coupling of first motor has reciprocating screw, reciprocating screw's circumference sliding connection has the stripper plate, reciprocating screw and stripper plate all are located and place the incasement portion, the stripper plate is used for the broken extrusion to forming frame.
The beneficial effects of the invention are as follows:
1. According to the full-automatic injection molding process for the connecting terminal, the rotating plate is arranged on the rotating shaft at one side of the first frame body in a rotating mode, the falling connecting terminal and the forming frame are prevented from falling out of the first frame body, meanwhile, the forming frame in the first frame body needs to be taken out after the forming frame falls into the first frame body, so that the forming frame is prevented from blocking the first frame body to carry out blanking of the connecting terminal, the second hydraulic cylinder is started to drive the fixing column at the output end of the second hydraulic cylinder to move along the first frame body, a plurality of vertical rods at the lower surface of the positioning plate at one end of the fixing column can push the forming frame out of the first frame body, meanwhile, the movement of the positioning plate triggers the vibration piece at the lower surface of the positioning plate, so that the pushed forming frame shakes, the connecting terminal which is possibly not falling off on the forming frame body is prevented from falling off, the falling effect of the connecting terminal is improved, and the falling efficiency of the connecting terminal is improved.
2. According to the full-automatic injection molding process for the connecting terminal, after the inserted rods are inserted into the first frame, the deflector rods in the second grooves on the two sides of the inserted rods are limited between every two cones, so that the inserted rods passively rotate, then the deflector rods are separated from between the two cones and reset under the drive of the torsion springs, after one-time stirring is completed, the deflector rods on the two sides of each inserted rod can be retracted into the second grooves through electric control, and then the deflector rods are retracted along with the retraction of the second hydraulic cylinders, so that the connecting terminal can be dredged and falls down, and meanwhile, the connecting terminal can be continuously used in a reciprocating mode.
Drawings
The invention will be further described with reference to the accompanying drawings,
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic structural view of the body of the present invention;
FIG. 3 is a schematic view of the structure of the first frame of the present invention;
FIG. 4 is a cross-sectional view of the body of the present invention;
FIG. 5 is a schematic view showing the internal structure of the first housing of the present invention;
FIG. 6 is a schematic view of the structure of the limiting plate of the present invention;
FIG. 7 is a schematic view of the structure of the toggle member of the present invention;
FIG. 8 is a schematic view of the structure of the vibrating element of the present invention;
FIG. 9 is a schematic view of the structure of the auxiliary element of the present invention;
FIG. 10 is a schematic view of the structure of the extrusion assembly of the present invention;
in the figure, 1, a box body;
2. The device comprises a first hydraulic cylinder, a forming hydraulic plate, a 22, an air pump, a 23, a hydraulic conveying pipe, a 24, a conveying tank, a 25, an auxiliary plate, a 26, a feed opening, a 27, a first shell, a 28, a collecting frame, a 29 and a conveying belt;
3. The first frame body, 31, a collecting tank, 32, a rotating plate, 33, a pressure sensor, 34, a blanking hole, 35, a cone, 36, a connecting tank, 37, a second hydraulic cylinder, 38, a fixed column, 39, a fixed plate, 310, a plug rod, 311, a positioning plate, 312, a vertical rod, 313, a cross rod, 314, a top column, 315, a rotating shaft, 316, a plug plate, 317, a slot, 318, a limiting plate, 319, a convex plate, 320, a first tank body, 321, a sliding plate, 322, a pressure spring, 323, a bump, 324, a second tank body, 325, a fixed shaft, 326, a torsion spring, 327 and a deflector rod;
4. Placing box 41, supporting plate 42, first motor 43, storage tank 44, reciprocating screw 45 and extruding plate;
5. the hydraulic device comprises a fixing groove, a clamping plate, a third hydraulic cylinder, a bottom plate and a third hydraulic cylinder.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 10, the full-automatic injection molding process for the connection terminal according to the embodiment of the invention includes the following specific steps:
Step one, raw material preparation, namely selecting a proper plastic raw material, preprocessing, drying and mixing colors to ensure the quality of the raw material and the injection molding;
And secondly, injection molding, namely adding the pretreated plastic raw material into a hopper of an injection molding machine, melting the plastic and reaching a set injection molding temperature through heating and shearing action of a screw rod, injecting the melted plastic into a mold at high pressure and high speed by the injection molding machine, filling a mold cavity and forming the preliminary shape of a connecting terminal, and gradually cooling and solidifying the plastic in the mold under the action of a cooling system to form the connecting terminal.
As shown in fig. 1 to 4, the injection molding machine of the embodiment comprises a box body 1, a first hydraulic cylinder 2 is arranged on the upper surface of the box body 1, a molding hydraulic plate 21 is fixedly connected to the output end of the first hydraulic cylinder 2, an air pump 22 is fixedly connected to the upper surface of the box body 1, a conveying tank 24 is fixedly connected to one side of the air pump 22, a hydraulic conveying pipe 23 is fixedly connected to one side of the conveying tank 24, an auxiliary plate 25 is fixedly connected to one end of the hydraulic conveying pipe 23, which is far away from the conveying tank 24, the molding hydraulic plate 21 and the auxiliary plate 25 are abutted to form a molding die, a blanking opening 26 is formed in one side of the box body 1, a first shell 27 is fixedly connected to one side of the box body 1, a collecting frame 28 is arranged on the first shell 27, the collecting frame 28 is used for collecting connecting terminals, a conveying belt 29 is arranged in the first shell 27, the conveying belt 29 is used for conveying the collecting frame 28, a first frame body 3 is fixedly connected to the position corresponding to the blanking opening 26 in the box body 1, a collecting groove 31 is formed in the first frame body 3, a plurality of blanking holes 34 are formed in the bottom surface of the first frame body 3, a plurality of blanking holes 34 are formed in the bottom surfaces of the first frame body 3 are used for blanking the blanking terminals, and the plurality of the auxiliary conical terminals 35 are fixedly connected to the plurality of the auxiliary terminals.
Specifically, in the process of using the injection molding machine for terminal molding, two mold plates are spliced at first, after the splicing, the heating tank is used for introducing heated and melted plastic fluid into the hydraulic conveying pipe 23 under the action of the air pump 22, then the hydraulic conveying pipe 23 is used for introducing the plastic fluid into the grinding tool between the two mold plates, after the connecting terminals between the two mold plates are cooled and molded, the two mold plates are opened, the connecting terminals and the molding frame formed by injection molding of the connecting terminals are propped down together through the ejector pin in one mold plate and then fall into the storage box, but due to the fact that the connecting terminals and the molding frame are formed by injection molding of the mold plates, the volume of the molding frame is large, a large space is occupied in the storage box, so that after the connecting terminals are stored for a certain time, the connecting terminals possibly overflow, but the utilization rate of the internal space is small, the quality is insufficient, the storage box cannot be pressed down due to gravity, and replacement work is further required, and the connecting terminals and the molding frame in the storage box are singly screened, so that the problem of the processing process is caused;
The invention solves the problem by arranging a certain structure, firstly pouring the prepared plastic raw material into a conveying tank 24, heating and shearing a screw in the conveying tank 24 to enable the plastic to be melted and reach the preset injection molding temperature, after the plastic reaches the preset temperature, starting a first hydraulic cylinder 2 to drive a forming hydraulic plate 21 at the output end of the plastic to approach an auxiliary plate 25, gradually approaching the forming hydraulic plate 21 by the auxiliary plate 25 in the process of approaching the auxiliary plate 25 under the pushing of a hydraulic conveying pipe 23 until the forming hydraulic plate 21 is abutted with the auxiliary plate 25, forming a connecting terminal forming die, after the forming die is formed, starting an air pump 22 to pressurize the conveying tank 24, enabling plastic fluid in the conveying tank 24 to quickly flow into the forming die along the hydraulic conveying pipe 23, filling a die cavity and forming the primary shape of the connecting terminal, gradually cooling and solidifying the plastic in the die under the action of a cooling system to form the connecting terminal, after the cooling is finished, respectively driving the forming hydraulic plate 21 and the auxiliary plate 25 by starting the first hydraulic cylinder 2 and the hydraulic conveying pipe 23, then enabling the connecting terminal to fall into the first frame body 3 until the connecting terminal and the forming frame body are abutted until the forming hydraulic plate 21 and the auxiliary plate 25 until the connecting terminal falls into the first frame body 3, then the connecting terminal falls into the first frame body 3, and the connecting terminal body is separated from the first frame body 3, and the connecting terminal is formed into the first frame body, and the connecting frame body is formed, and the connecting frame side 3 is formed, and the cost is reduced;
The problem of because mould board injection moulding has connecting terminal and shaping frame, shaping frame's volume is great, will occupy great space in the containing box to make connecting terminal store after a certain time, nevertheless the interior space utilization is little, the quality is insufficient, leads to the containing box unable to push down because of gravity is solved.
As shown in fig. 6, a rotating shaft 315 is fixedly connected to one side of the first frame body 3 in this embodiment, a rotating plate 32 is rotatably connected to the circumferential surface of the rotating shaft 315, a second hydraulic cylinder 37 is fixedly connected to the inside of the box body 1, a fixing column 38 is fixedly connected to the output end of the second hydraulic cylinder 37, a positioning plate 311 is fixedly connected to one end of the fixing column 38, a vibration member is slidably arranged on the lower surface of the positioning plate 311, and the vibration member comprises a plurality of vertical rods 312 slidably arranged on the lower surface of the positioning plate 311.
Specifically, through rotating the rotation board 32 that is provided with on the axis of rotation 315 of first framework 3 one side, the setting of rotation board 32 prevents that connecting terminal and the shaping frame of whereabouts from dropping out outside first framework 3, simultaneously need take out the shaping frame in first framework 3 after the shaping frame drops into first framework 3, in order to avoid the unloading of shaping frame can block first framework 3 to connecting terminal, consequently, through the fixed column 38 that starts its output of drive of second pneumatic cylinder 37 moves along first framework 3, a plurality of montant 312 of fixed column 38 one end locating plate 311 lower surface just can release the shaping frame outside first framework 3, the vibrations piece of locating plate 311 lower surface can be triggered in the removal of locating plate 311 simultaneously, thereby shake the shaping frame of promotion, the connecting terminal vibrations that will probably not drop on the shaping frame drops, the effect of improving connecting terminal's whereabouts has also improved connecting terminal.
As shown in fig. 8, the vibration member of this embodiment further includes a first groove 320 formed on the lower surface of the positioning plate 311, a sliding plate 321 is slidably connected in the first groove 320, one end of the sliding plate 321 is fixedly connected with a compression spring 322, one end of the compression spring 322 is fixedly connected with the inner wall of the positioning plate 311, a plurality of vertical rods 312 are fixedly connected to the lower surface of the sliding plate 321, a plurality of cross bars 313 are fixedly connected to one sides of the plurality of vertical rods 312, a bump 323 is fixedly connected to the other end of the sliding plate 321, a limiting plate 318 is fixedly connected to one side of the first frame 3 corresponding to the bump 323, and a plurality of convex plates 319 are fixedly connected to one side of the limiting plate 318.
Specifically, in the process that the positioning plate 311 is pushed by the fixing post 38 to slide, the sliding plate 321 in the first groove body 320 on the lower surface of the positioning plate 311 drives the protruding block 323 at one end of the positioning plate to slide along the protruding plate 319 on the inner wall of the first frame body 3, when the protruding block 323 encounters the protruding plate 319, the protruding block 323 is extruded along the inclined plane of the protruding plate 319, at the moment, the sliding plate 321 moves towards one side with the pressure spring 322, so as to drive the cross bars 313 and the vertical bars 312 on the lower surface of the sliding plate 321 to move, then when the protruding block 323 moves into the groove between the two protruding plates 319, the pressure spring 322 rebounds and continuously reciprocates, so that a back and forth shaking action is formed, and the work that the connecting terminal which does not fall off on the forming frame can shake and fall off is performed.
As shown in fig. 6, a pressure sensor 33 is fixedly connected to one side of the rotating plate 32 in this embodiment, a jack post 314 is fixedly connected to the positioning plate 311 corresponding to the position of the pressure sensor 33, and the jack post 314 is made of rubber material for extruding and protecting the pressure sensor 33.
Specifically, after the molded frame inserted under the cooperation of the vertical rod 312 and the horizontal rod 313 moves to one side of the rotating plate 32, the top column 314 is fixedly connected to one side of the positioning plate 311, the top column 314 can squeeze the pressure sensor 33 on one side of the rotating plate 32 at this time, then the device can automatically rotate the rotating plate 32 around the rotating shaft 315, and after rotating for 180 degrees, the molded frame can be pushed out of the first frame body 3, so that the molded frame is cleaned.
As shown in fig. 5, a fixing plate 39 is fixedly connected to the circumferential surface of the fixing post 38 in this embodiment, a plurality of inserting rods 310 are fixedly connected to one side of the fixing plate 39, a connecting slot 36 is formed in the first frame 3 corresponding to the position of the inserting rod 310, and the plurality of inserting rods 310 can be inserted into the connecting slot 36 for poking the connecting terminal.
Specifically, after the fixing post 38 drives the locating plate 311 at one end to clean the forming frame, the fixing plate 39 on the circumferential surface of the fixing post 38 also moves towards the first frame body 3, the insert rod 310 on one side of the fixing plate 39 is inserted into the first frame body 3 along the connecting groove 36, and the insert rod 310 is used for disturbing the connecting terminal clamped between the conical posts in the first frame body 3, so that the connecting terminal can flow into the blanking hole 34, and then the dropping efficiency of the connecting terminal is improved, and further the processing efficiency is improved.
As shown in fig. 7, in this embodiment, two sides of each insert rod 310 are provided with a plurality of second slot bodies 324, each second slot body 324 is fixedly connected with a fixing shaft 325, a torsion spring 326 is sleeved on the circumferential surface of each fixing shaft 325, and a driving lever 327 is fixedly connected on the circumferential surface of each torsion spring 326.
Specifically, after the insert rod 310 is inserted into the first frame body 3, the shift rods 327 in the plurality of second groove bodies 324 on two sides of the insert rod 310 are limited between every two cones 35, so that the insert rod can passively rotate, then the shift rods 327 are separated from between the two cones 35 and reset under the driving of the torsion springs 326, after one shifting is completed, the shift rods 327 on two sides of each insert rod 310 can be retracted into the second groove bodies 324 through electric control, and then the shift rods 327 are retracted along with the retraction of the second hydraulic cylinders 37, so that the effect that the connecting terminals can be dredged and fall is achieved, and meanwhile, the insert rod can be continuously used in a reciprocating manner is achieved.
As shown in fig. 6, two ends of the rotating plate 32 of the present embodiment are fixedly connected with inserting plates 316, two inserting grooves 317 are provided on one side of the first frame 3, and the two inserting plates 316 can be inserted into the inserting grooves 317 for assisting the stable insertion of the rotating plate 32 and the first frame 3.
Specifically, in the process of rotating the rotating plate 32, the two ends of the rotating plate 32 are fixedly connected with the inserting plates 316, and in the process of closing the first frame body 3 by the rotating plate 32, the two inserting plates 316 can be inserted into the two inserting grooves 317, so that stable insertion of the auxiliary rotating plate 32 and the first frame body 3 is achieved.
Example two
As shown in fig. 2 to 10, in a first comparative example, in another embodiment of the present invention, a fixing groove 5 is formed in an inner top wall of a case 1, a third hydraulic cylinder 52 is fixedly connected to a top wall of the fixing groove 5, an output end of the third hydraulic cylinder 52 is fixedly connected to a bottom plate 53, a plurality of clamping plates 51 are fixedly connected to a lower surface of the bottom plate 53, and the plurality of clamping plates 51 are used for assisting in blanking of a molding frame.
Specifically, when the positioning plate 311 pushes the cross bar 313 and the vertical bars 312 to clamp the forming frame in the first frame body 3, the forming frame is pushed out again, when the positioning plate 311 moves to the position right below the fixed slot 5, the third hydraulic cylinder 52 in the fixed slot 5 is started, the third hydraulic cylinder 52 drives the bottom plate 53 of the output end, then the downward movement of the bottom plate 53 can drive the clamping plates 51 on the lower surface, the clamping plates 51 are located between every two vertical bars 312 and move downwards along with the positioning plate 311, and then the second hydraulic cylinder 37 withdraws the positioning plate 311, so that the stirring and falling of the forming frame can be achieved, and the screening effect of the forming frame and the connecting terminals is improved.
As shown in fig. 10, a placement box 4 is provided in the box 1 of the present embodiment, a storage tank 43 is provided in the placement box 4, a support plate 41 is fixedly connected to one side of the box 1, a first motor 42 is fixedly connected to an upper surface of the support plate 41, a reciprocating screw 44 is fixedly connected to an output end of the first motor 42, a compression plate 45 is slidingly connected to a circumferential surface of the reciprocating screw 44, the reciprocating screw 44 and the compression plate 45 are both located in the placement box 4, and the compression plate 45 is used for crushing and compressing a forming frame.
Specifically, the storage of the forming frame is realized through the placing box 4 and the storage tank 43 in the box body 1, the first motor 42 is driven to rotate again, then the first motor 42 drives the reciprocating screw rod 44 to rotate, the reciprocating screw rod 44 drives the extrusion plate 45 which is connected with the reciprocating screw rod in a sliding manner to reciprocate in the placing box 4, the forming frame is effectively crushed and extruded, the material processing efficiency is improved, the manual burden on the screening of the connecting terminal and the forming frame is lightened, meanwhile, the crushing process is favorable for reducing the volume of the material, the follow-up storage and recycling are facilitated, and the space utilization rate is improved.
The working principle is that firstly, the prepared plastic raw materials are poured into a conveying tank 24, the plastic is melted and reaches the set injection molding temperature through the heating in the conveying tank 24 and the shearing action of a screw rod, after the plastic reaches the preset temperature, a first hydraulic cylinder 2 is started to drive a forming hydraulic plate 21 at the output end of the plastic to approach an auxiliary plate 25, the auxiliary plate 25 is gradually approaching to the forming hydraulic plate 21 under the pushing of a hydraulic conveying pipe 23 in the process of approaching the auxiliary plate 25 until the forming hydraulic plate 21 is abutted with the auxiliary plate 25, a connecting terminal forming die is formed, after the forming die is formed, an air pump 22 is started to pressurize the conveying tank 24, plastic fluid in the conveying tank 24 rapidly flows into the forming die along the hydraulic conveying pipe 23 to fill a die cavity and form the primary shape of the connecting terminal, the plastic in the die is gradually cooled and solidified under the action of a cooling system to form a connecting terminal, after the cooling is finished, the forming hydraulic plate 21 and the auxiliary plate 25 are respectively driven by the first hydraulic cylinder 2 and the hydraulic conveying pipe 23, then the connecting terminal and the forming frame are gradually approaching to the forming hydraulic plate 21 until the connecting terminal is dropped into a first frame 3 until the connecting terminal is separated from the forming frame through the first frame 3, and then the falling connecting terminal falls into the forming frame 2 along the connecting frame 28 along the lower side of the frame 28 of the first frame 1;
Then, the second hydraulic cylinder 37 is started to drive the fixed column 38 at the output end of the second hydraulic cylinder to move along the first frame 3, a plurality of vertical rods 312 at the lower surface of the positioning plate 311 at one end of the fixed column 38 can push the forming frame out of the first frame 3, in the process that the positioning plate 311 is pushed by the fixed column 38 to slide, the sliding plate 321 in the first groove 320 at the lower surface of the positioning plate 311 drives the lug 323 at one end of the positioning plate to slide along the convex plate 319 on the inner wall of the first frame 3, when the lug 323 meets the convex plate 319, the lug 323 is extruded along the inclined surface of the convex plate 319, at the moment, the sliding plate 321 moves towards one side with the pressure spring 322, so that a plurality of cross rods 313 and vertical rods 312 at the lower surface of the sliding plate 321 are driven to move, and then when the lug 323 moves into a groove between the two convex plates 319, the pressure spring 322 rebounds to continuously reciprocate, so that the back and forth shaking action is formed, the falling efficiency of the connecting terminal is improved, and the processing cost is reduced;
After the fixing column 38 drives the locating plate 311 at one end of the fixing column to clean the forming frame, the fixing plate 39 on the circumferential surface of the fixing column 38 moves towards the first frame body 3, the inserted rod 310 at one side of the fixing plate 39 is inserted into the first frame body 3 along the connecting groove 36, and the connecting terminal clamped between the conical columns in the first frame body 3 is disturbed through the inserted rod 310, so that the connecting terminal can flow into the blanking hole 34, the dropping efficiency of the connecting terminal is improved, and the processing efficiency is further improved;
After the inserted link 310 is inserted into the first frame 3, the shifting rods 327 in the second groove bodies 324 on two sides of the inserted link 310 are limited between every two cones 35, so that the driven rotation is generated, then the shifting rods 327 are reset under the drive of the torsion springs 326 after being separated from the two cones 35, after one shifting is completed, the shifting rods 327 on two sides of each inserted link 310 can be retracted into the second groove bodies 324 through electric control, and then the shifting rods 327 are retracted along with the retraction of the second hydraulic cylinders 37, so that the connection terminals can be dredged and fall, and the connection terminals can be continuously used in a reciprocating manner;
When the positioning plate 311 pushes the cross bars 313 and the vertical bars 312 to clamp the forming frame in the first frame body 3, the forming frame is pushed out of the first frame body 3, when the positioning plate 311 moves to the position right below the fixed groove 5, the third hydraulic cylinder 52 in the fixed groove 5 is started, the third hydraulic cylinder 52 drives the bottom plate 53 of the output end of the positioning plate, then the downward movement of the bottom plate 53 can drive a plurality of clamping plates 51 on the lower surface, the clamping plates 51 are positioned between every two vertical bars 312 and move downwards along with the positioning plate 311, and then the second hydraulic cylinder 37 withdraws the positioning plate 311, so that the stirring and falling of the forming frame can be achieved, and the screening effect of the forming frame and the connecting terminals is improved;
Finally, through placing case 4 and bin 43 in box 1 and realizing the accomodating of shaping frame, the first motor 42 of drive rotates again, then first motor 42 will drive reciprocating screw 44 and rotate, reciprocating screw 44 drives rather than sliding connection's stripper plate 45 and is placing the incasement 4 reciprocating motion, carry out effective broken extrusion to shaping frame, the efficiency of material handling has been improved, the burden of manual work to connecting terminal and shaping frame screening has been alleviateed, simultaneously, the broken process of extrusion helps reducing the material volume, the follow-up storage of being convenient for and recycle, space utilization has been improved.
While the basic principles, principal features and advantages of the present invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims (10)

1. A full-automatic injection molding process for a connecting terminal is characterized by comprising the following specific steps:
Step one, raw material preparation, namely selecting a proper plastic raw material, preprocessing, drying and mixing colors to ensure the quality of the raw material and the injection molding;
And secondly, injection molding, namely adding the pretreated plastic raw material into a hopper of an injection molding machine, melting the plastic and reaching a set injection molding temperature through heating and shearing action of a screw rod, injecting the melted plastic into a mold at high pressure and high speed by the injection molding machine, filling a mold cavity and forming the preliminary shape of a connecting terminal, and gradually cooling and solidifying the plastic in the mold under the action of a cooling system to form the connecting terminal.
2. The full-automatic injection molding process of the connecting terminal, which is disclosed in claim 1, comprises an injection molding machine and is characterized in that the injection molding machine comprises a box body (1), a first hydraulic cylinder (2) is arranged on the upper surface of the box body (1), a forming hydraulic plate (21) is fixedly connected with the output end of the first hydraulic cylinder (2), an air pump (22) is fixedly connected with the upper surface of the box body (1), a conveying tank (24) is fixedly connected with one side of the air pump (22), a hydraulic conveying pipe (23) is fixedly connected with one side of the conveying tank (24), an auxiliary plate (25) is fixedly connected with one end, far away from the conveying tank (24), of the hydraulic conveying pipe (23) and the auxiliary plate (25) are in butt joint to form a forming die, and a discharging opening (26) is formed in one side of the box body (1);
A first shell (27) is fixedly connected to one side of the box body (1), a collecting frame (28) is arranged on the first shell (27), the collecting frame (28) is used for collecting connecting terminals, a conveying belt (29) is arranged in the first shell (27), and the conveying belt (29) is used for conveying the collecting frame (28);
The box comprises a box body (1), wherein a first frame body (3) is fixedly connected to the position, corresponding to a blanking opening (26), of the box body (1), a collecting groove (31) is formed in the first frame body (3), a plurality of blanking holes (34) are formed in the bottom surface of the first frame body (3), the blanking holes (34) are used for falling connecting terminals, a plurality of cones (35) are fixedly connected to the bottom surface of the first frame body (3), and the cones (35) are used for assisting the blanking of the connecting terminals.
3. The full-automatic injection molding process of the connecting terminal according to claim 2, wherein a rotating shaft (315) is fixedly connected to one side of the first frame body (3), a rotating plate (32) is rotatably connected to the circumferential surface of the rotating shaft (315), a second hydraulic cylinder (37) is fixedly connected to the inside of the box body (1), a fixing column (38) is fixedly connected to the output end of the second hydraulic cylinder (37), a positioning plate (311) is fixedly connected to one end of the fixing column (38), and a vibration piece is slidably arranged on the lower surface of the positioning plate (311) and comprises a plurality of vertical rods (312) slidably arranged on the lower surface of the positioning plate (311).
4. The full-automatic injection molding process of the connecting terminal according to claim 3, wherein the vibration piece further comprises a first groove body (320) formed in the lower surface of the positioning plate (311), a sliding plate (321) is connected in the first groove body (320) in a sliding mode, a pressure spring (322) is fixedly connected to one end of the sliding plate (321), one end of the pressure spring (322) is fixedly connected with the inner wall of the positioning plate (311), a plurality of vertical rods (312) are fixedly connected to the lower surface of the sliding plate (321), a plurality of cross rods (313) are fixedly connected to one side of each vertical rod (312), a protruding block (323) is fixedly connected to the other end of the sliding plate (321), a limiting plate (318) is fixedly connected to one side of the first frame body (3) corresponding to the protruding block (323), and a plurality of protruding plates (319) are fixedly connected to one side of the limiting plate (318).
5. The full-automatic injection molding process of the connecting terminal according to claim 3, wherein a pressure sensor (33) is fixedly connected to one side of the rotating plate (32), a jack post (314) is fixedly connected to the positioning plate (311) corresponding to the position of the pressure sensor (33), and the jack post (314) is made of rubber and used for extruding and protecting the pressure sensor (33).
6. The full-automatic injection molding process of the connecting terminal according to claim 3, wherein a fixing plate (39) is fixedly connected to the circumferential surface of the fixing column (38), a plurality of inserting rods (310) are fixedly connected to one side of the fixing plate (39), connecting grooves (36) are formed in positions, corresponding to the inserting rods (310), of the first frame body (3), and the inserting rods (310) can be inserted into the connecting grooves (36) for stirring the connecting terminal.
7. The full-automatic injection molding process of the connecting terminal according to claim 6, wherein a plurality of second groove bodies (324) are formed on two sides of each insert rod (310), fixed shafts (325) are fixedly connected in the second groove bodies (324), torsion springs (326) are sleeved on the circumferential surfaces of the fixed shafts (325), and deflector rods (327) are fixedly connected on the circumferential surfaces of the torsion springs (326).
8. The full-automatic injection molding process of the connecting terminal according to claim 3, wherein two ends of the rotating plate (32) are fixedly connected with inserting plates (316), two inserting grooves (317) are formed in one side of the first frame body (3), and the two inserting plates (316) can be inserted into the inserting grooves (317) and are used for assisting stable insertion of the rotating plate (32) and the first frame body (3).
9. The full-automatic injection molding process of the connecting terminal according to claim 2, wherein a fixing groove (5) is formed in the top wall of the inside of the box body (1), a third hydraulic cylinder (52) is fixedly connected to the top wall of the fixing groove (5), the output end of the third hydraulic cylinder (52) is fixedly connected with a bottom plate (53), a plurality of clamping plates (51) are fixedly connected to the lower surface of the bottom plate (53), and the clamping plates (51) are used for assisting in blanking of the molding frame.
10. The full-automatic injection molding process of the connecting terminal according to claim 2, wherein a placement box (4) is arranged in the box body (1), a storage groove (43) is formed in the placement box (4), a supporting plate (41) is fixedly connected to one side of the box body (1), a first motor (42) is fixedly connected to the upper surface of the supporting plate (41), a reciprocating screw (44) is fixedly connected to the output end of the first motor (42), a squeezing plate (45) is slidably connected to the circumferential surface of the reciprocating screw (44), the reciprocating screw (44) and the squeezing plate (45) are both positioned in the placement box (4), and the squeezing plate (45) is used for crushing and squeezing a forming frame.
CN202510054938.XA 2025-01-14 2025-01-14 A fully automatic injection molding process for connecting terminals Active CN119458757B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108435541A (en) * 2018-03-27 2018-08-24 斯沃博达汽车电子(昆山)有限公司 Automobile Part injecting products feeding-distribution device and method
CN215434869U (en) * 2021-07-30 2022-01-07 深圳市捷图电器有限公司 Injection molding device capable of quickly cleaning waste materials and collecting waste materials
CN114211690A (en) * 2021-11-24 2022-03-22 乐清市嘉得电子有限公司 Injection molding machine for terminal molding
CN115946295A (en) * 2022-12-23 2023-04-11 苏州德丽雅新材料科技有限公司 A multi-color injection molding process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108435541A (en) * 2018-03-27 2018-08-24 斯沃博达汽车电子(昆山)有限公司 Automobile Part injecting products feeding-distribution device and method
CN215434869U (en) * 2021-07-30 2022-01-07 深圳市捷图电器有限公司 Injection molding device capable of quickly cleaning waste materials and collecting waste materials
CN114211690A (en) * 2021-11-24 2022-03-22 乐清市嘉得电子有限公司 Injection molding machine for terminal molding
CN115946295A (en) * 2022-12-23 2023-04-11 苏州德丽雅新材料科技有限公司 A multi-color injection molding process

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