CN118664845B - Injection molding device for processing automobile parts - Google Patents

Injection molding device for processing automobile parts Download PDF

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Publication number
CN118664845B
CN118664845B CN202410939977.3A CN202410939977A CN118664845B CN 118664845 B CN118664845 B CN 118664845B CN 202410939977 A CN202410939977 A CN 202410939977A CN 118664845 B CN118664845 B CN 118664845B
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Prior art keywords
injection molding
shaped
cavity
tube
injection
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CN202410939977.3A
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CN118664845A (en
Inventor
黄武云
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Chongqing Sipuning Technology Co ltd
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Chongqing Sipuning Technology Co ltd
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Publication of CN118664845A publication Critical patent/CN118664845A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7312—Construction of heating or cooling fluid flow channels

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses an injection molding device for processing automobile parts, which belongs to the technical field of injection molding equipment and comprises a bottom die and a top die matched with the bottom die to form a cavity, wherein a support is arranged on the top die, a mounting groove matched with the top die is arranged on the support, a cavity is arranged in the support, an injection molding pipe is arranged in the cavity, a first end of the injection molding pipe is fixedly connected with a discharge pipe of an injection molding machine, a second end of the injection molding pipe is closed, a plurality of blanking ports are arranged on the injection molding pipe side by side along the extending direction of the injection molding pipe, a plurality of T-shaped pipe sleeves corresponding to the blanking ports one by one are slidably arranged on the injection molding pipe, the horizontal sections of the T-shaped pipe sleeves are sleeved on the injection molding pipe, the bottom ends of the vertical sections of the T-shaped pipe sleeves are jointed with the bottom wall of the cavity, the sliding T-shaped pipe sleeves can open or close the blanking ports, a plurality of through holes corresponding to the blanking ports one by one are arranged on the bottom wall of the support, and a plurality of discharge ports corresponding to the through holes one are arranged on the top die. The invention can avoid forming jet to cause turbulence on the inner wall of the mould, thereby ensuring the molding quality.

Description

Injection molding device for machining automobile parts
Technical Field
The invention belongs to the technical field of injection molding equipment, and particularly relates to an injection molding device for processing automobile parts.
Background
The injection molding process refers to a process of forming a molten raw material into a semi-finished product of a certain shape by pressing, injecting, cooling, releasing, and the like. The injection molding process of the plastic part mainly comprises the steps of die assembly, filling, pressure maintaining, cooling, die opening and die stripping.
In the injection molding process of the automobile parts, higher injection pressure is needed to ensure that the mold cavity is completely filled, the injection speed is correspondingly increased under the condition of higher injection pressure, injection is formed under the condition of high injection speed after plastic enters the mold cavity, so that the injection molding material splashes onto the inner wall of the mold to generate turbulence, and the surface of the molded part is provided with a wavy serpentine pattern, so that the molding quality of the injection molding part is influenced.
Therefore, there is a need to provide an injection molding device for processing automobile parts to solve the above problems.
Disclosure of Invention
Accordingly, the present invention is directed to an injection molding device for processing automobile parts, which is used for solving the problem that turbulence is generated in the injection molding material during the molding process of the injection molding part to affect the molding quality in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The invention provides an injection molding device for processing automobile spare and accessory parts, which comprises a bottom die and a top die matched with the bottom die to form a cavity, wherein a support is arranged on the top die, a mounting groove matched with the top die is arranged on the support, a cavity is arranged in the support, an injection molding assembly is arranged in the cavity, the injection molding assembly comprises an injection molding pipe, a first end of the injection molding pipe is fixedly connected with a discharging pipe of an injection molding machine, a second end of the injection molding pipe is sealed and arranged, a plurality of blanking ports are arranged on the injection molding pipe side by side along the extending direction of the injection molding pipe, a plurality of T-shaped pipe sleeves in one-to-one correspondence with the blanking ports are slidably arranged on the injection molding pipe, the horizontal section of each T-shaped pipe sleeve is sleeved on the injection molding pipe, the bottom end of each vertical section of each T-shaped pipe sleeve is jointed with the bottom wall of the cavity, a plurality of through holes in one-to-one correspondence to the blanking ports are arranged in the cavity, the bottom wall of the support is provided with a plurality of discharging ports in one-to-one correspondence to the through holes, the discharging ports in one-to the injection molding pipe sleeve, the discharging ports are communicated with the cavity, and the T-shaped pipe sleeves are slidably arranged on the bottom wall, and the blanking ports can sequentially flow along the blanking ports, the T-shaped pipe sleeves and the discharging ports to the cavity.
Further, be close to injection molding pipe second end side sliding installation in the pipe of moulding plastics and have the slide, fixedly connected with first spring between slide and the injection molding pipe second end inner wall, slide one side fixedly connected with U-shaped link, a plurality of T shape covers are as an organic wholely through the connecting rod connection, U-shaped link first arm extends injection molding pipe and with injection molding pipe sliding connection, U-shaped link second arm and connecting rod fixed connection, slide the slide can drive a plurality of T shape covers and slide in step in order to open or seal the blanking mouth through the U-shaped link.
Further, the support diapire is equipped with a plurality of annular grooves that encircle the through-hole setting respectively, sliding mounting has the spacing ring in the annular groove, fixedly connected with second spring between spacing ring and the annular groove diapire, the vertical section of T pipe cover can be encircleed to the spacing ring, the outer perisporium of spacing ring is equipped with the hang down limit, slides at T pipe cover in order to open blanking mouth in-process, and the vertical section of T pipe cover can extrude the hang down limit of spacing ring in order to make the spacing ring slide to the annular groove.
Further, be equipped with a plurality of runner with discharge gate one-to-one in the cope, install the installation piece that can shutoff discharge gate in the discharge gate, sliding mounting has the shutoff piece that can shutoff runner in the discharge gate, fixedly connected with third spring between shutoff piece and the installation piece.
Further, the installation block is in threaded connection with the discharge hole.
Further, the injection molding pipe extending part is fixedly provided with a gear on the first arm of the U-shaped connecting frame, a rack which is meshed with the gears is arranged in the cavity in a limiting sliding manner, and the rack can rotate the gear to enable the U-shaped connecting frame to drive the T-shaped pipe sleeve to rotate, so that the vertical section of the T-shaped pipe sleeve is staggered with the through hole.
An implementation method of an injection molding device for processing automobile parts comprises the following steps:
s1, driving a top die and a bottom die to be folded and matched to form a cavity, and starting a heating mechanism to heat the cavity in a support arranged on the top die to a preset temperature;
s2, the sliding rack drives the gear to rotate so that the plurality of U-shaped connecting frames drive the T-shaped pipe sleeve to rotate to the first limit position, and the vertical section of the T-shaped pipe sleeve can correspond to the through hole;
S3, starting the injection molding machine, enabling injection molding materials to flow into injection molding pipes, driving a plurality of T-shaped pipe sleeves to synchronously move by pushing sliding plates through the injection molding materials to open blanking openings, enabling the injection molding materials to flow into the blanking openings to push a plugging block to open a gate, enabling the injection molding materials to flow into a cavity from the gate, wherein when the vertical section of the T-shaped pipe sleeve moves to correspond to a through hole, the limiting ring moves to the side close to the vertical section of the T-shaped pipe sleeve by the elastic force of a second spring so as to surround the vertical section of the T-shaped pipe sleeve;
S4, after injection molding is finished, extracting the injection molding material remained in the injection molding pipe through the pump body, pressing the limiting rings back into the annular groove, and sliding the rack to drive the gear to rotate so that the U-shaped connecting frames drive the T-shaped pipe sleeve to rotate to a second limit, so that the vertical section of the T-shaped pipe sleeve is misplaced with the through hole;
S5, closing the heating mechanism, injecting cooling water into the injection molding pipe through the water injection mechanism after the cavity is subjected to air cooling for a preset time, discharging the cooling water into the cavity from the vertical section of the T-shaped pipe sleeve, and opening a water outlet on the support and communicated with the cavity so as to recycle the cooling water;
and S6, after cooling, separating the support from the top die, discharging water in the cavity, and performing demoulding operation.
The invention has the beneficial effects that:
According to the invention, before injection molding, the temperature in the cavity is kept at a preset temperature by starting the temperature rising mechanism, the viscosity of injection molding materials is reduced by adopting a temperature rising mode, the injection molding materials flow into the injection molding pipe to keep good fluidity at a lower injection speed, friction between the injection molding materials and the inner wall of the cavity can be reduced at the preset temperature, cooling before the injection molding materials enter the cavity can be reduced by a hot runner, so that turbulence is reduced, in the injection molding process, the injection molding pressure is dispersed by adopting a design of a plurality of discharge holes, the outflow speed of the injection molding materials from each discharge hole is reduced, and a sealing block is arranged to buffer the injection molding materials in the discharge holes, so that the injection speed is slowed down, the force of the injection molding materials impacting the wall of the mold is reduced, turbulence is reduced, the injection molding materials can uniformly flow into the cavity at the same time by adopting a design of a T-shaped pipe sleeve, the uniformity of cooling is ensured, the generation of warping or deformation of a molding piece is avoided, and the molding quality is ensured after the injection molding is finished.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a cross-sectional view of a top mold and a support in accordance with an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of a cavity according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating the cooperation between a bottom mold and a top mold according to an embodiment of the present invention.
The drawing shows that the bottom die 1, the top die 2, the discharge port 201, the pouring gate 202, the mounting block 203, the blocking block 204, the third spring 205, the support 3, the mounting groove 301, the cavity 302, the through hole 303, the annular groove 304, the limiting ring 305, the second spring 306, the injection molding assembly 4, the injection molding pipe 401, the blanking port 402, the T-shaped pipe sleeve 403, the sliding plate 404, the first spring 405, the U-shaped connecting frame 406, the connecting rod 407, the gear 408 and the rack 409.
Detailed Description
The invention provides an injection molding device for processing automobile spare and accessory parts, as shown in figures 1-4, the injection molding device comprises a bottom die 1 and a top die 2 matched with the bottom die 1 to form a cavity, wherein a support 3 is arranged on the top die 2, a mounting groove 301 matched with the top die 2 is arranged on the support 3 so that the top die 2 is arranged in the mounting groove 301, a cavity 302 is arranged in the support 3, an injection molding assembly 4 is arranged in the cavity 302, the injection molding assembly 4 comprises an injection molding pipe 401, a first end of the injection molding pipe 401 is fixedly connected with a discharging pipe of an injection molding machine, a second end of the injection molding pipe 401 is sealed, a plurality of blanking holes 402 are arranged on the injection molding pipe 401 in parallel along the extending direction of the injection molding pipe 401, a plurality of T-shaped pipe sleeves 403 in one-to-one correspondence with the blanking holes 402 are slidably arranged on the injection molding pipe 401, the bottom end of the T-shaped pipe sleeve 403 is sleeved on the injection molding pipe 401, the bottom end of the vertical section of the T-shaped pipe sleeve 403 is attached to the bottom wall 302, the T-shaped pipe sleeve 403 can enable the T-shaped pipe sleeve 403 to be opened or the blanking hole 402 to be fixedly connected with the discharging pipe of the injection molding machine, the first end of the injection molding pipe 401 is provided with the plurality of the blanking holes 201, and a plurality of blanking holes 201 are correspondingly communicated with the discharging holes 201 one by one to one, and a plurality of blanking holes 201 are enabled to be enabled to flow from the discharging holes 201. When the vertical section of the T-shaped pipe sleeve 403 is communicated with the blanking port 402 and the through hole 303, injection molding materials can flow out from the discharging port 201, and when the vertical section of the T-shaped pipe sleeve 403 is misplaced with the blanking port 402 and the through hole 303, the injection molding materials are sealed in the injection molding pipe 401.
In this scheme, before moulding plastics, tee bend pipe cover 403 seals blanking mouth 402 setting to make injection molding pipe 401 become the confined state, in the injection molding process, the injection molding machine is with the injection molding material follow discharging pipe injection into injection molding pipe 401, after the injection molding material is filled in the injection molding pipe 401, slides tee bend pipe 403 so that the vertical section of tee bend pipe 403 corresponds with blanking mouth 402 and through-hole 303, and the injection molding material can flow into in the discharge gate 201 this moment.
In the scheme, through the arrangement of the plurality of discharge ports 201, the plurality of T-shaped pipe sleeves 403 slide simultaneously to communicate the corresponding discharge ports 402 and the corresponding discharge ports 201, injection molding materials flow out of the plurality of discharge ports 201 simultaneously, the uniformity of injection molding material flowing out is guaranteed, the molding quality is improved, the injection molding pressure is dispersed through the design of the plurality of discharge ports 201, the flowing-out speed of the injection molding materials from the discharge ports 201 is reduced, and the formation of injection to cause turbulence on the inner wall of a mold is avoided, so that the molding quality is guaranteed.
In one embodiment of the present invention, a sliding plate 404 is slidingly installed in the injection molding tube 401 near the second end of the injection molding tube 401, a first spring 405 is fixedly connected between the sliding plate 404 and the inner wall of the second end of the injection molding tube 401, a U-shaped connecting frame 406 capable of extending out of the injection molding tube 401 is fixedly connected to one side of the sliding plate 404, and a plurality of T-shaped tube sleeves 403 are integrally connected through a connecting rod 407, wherein a first arm of the U-shaped connecting frame 406 is slidingly connected with the injection molding tube 401, a second arm of the U-shaped connecting frame 406 is fixedly connected with the connecting rod 407, and the sliding of the sliding plate 404 can drive the plurality of T-shaped tube sleeves 403 to slide synchronously through the U-shaped connecting frame 406 so as to open or close the blanking port 402.
In this scheme, before the injection molding material fills up injection molding pipe 401, T-shaped pipe sleeve 403 seals blanking mouth 402 setting, after the injection molding material fills up injection molding pipe 401, continue to inject the injection molding material and can promote slide 404 slip to make first spring 405 compress, and drive U-shaped link 406 and connecting rod 407 synchronous slip, thereby make a plurality of T-shaped pipe sleeves 403 synchronous slip in order to open blanking mouth 402.
The scheme does not need to independently apply power to the sliding of the T-shaped pipe sleeve 403, and the injection of the injection molding material only pushes the T-shaped pipe sleeve 403 to slide to open the blanking port 402 in the injection molding process.
In one embodiment of the present invention, the bottom wall of the support 3 is provided with a plurality of annular grooves 304 respectively surrounding the through holes 303, a limiting ring 305 is slidably mounted in the annular grooves 304, a second spring 306 is fixedly connected between the limiting ring 305 and the bottom wall of the annular groove 304, the limiting ring 305 is matched with the vertical section of the T-shaped tube sleeve 403, and the peripheral wall of the limiting ring 305 is provided with an inclined edge.
In this scheme, when the vertical section of the tee pipe sleeve 403 is dislocated from the through hole 303 to close the blanking port 402, the stop collar 304 extends out of the annular groove 304 under the action of the second spring 306, when the tee pipe sleeve 403 slides to open the blanking port 402, the vertical section of the tee pipe sleeve 403 presses the inclined edge of the stop collar 305, so that the stop collar 305 slides into the annular groove 304, when the tee pipe sleeve 403 moves to the inner side of the stop collar 305 to be matched with the through hole 303, the stop collar 305 moves upwards under the action of the elastic force of the second spring 306 to surround the vertical section of the tee pipe sleeve 403, thereby ensuring the stability and the tightness of the tee pipe sleeve 403 in the casting process and avoiding the injection molding material from flowing into the cavity 302.
In one embodiment of the present invention, a plurality of gates 202 are disposed in the top mold 2 and are in one-to-one communication with the discharge ports 201, a mounting block 203 capable of blocking the discharge ports 201 is disposed in the discharge ports 201, a blocking block 204 capable of blocking the gates 202 is slidably disposed in the discharge ports 201, and a third spring 205 is fixedly connected between the blocking block 204 and the mounting block 203.
In this scheme, before the injection molding material flows into discharge gate 201, shutoff piece 204 seals runner 202 setting, after the injection molding material flows into discharge gate 201, through the compression of injection molding pressure extrusion shutoff piece 204 messenger third spring 205, shutoff piece 204 receives the extrusion slip to open runner 202 to make the injection molding material can flow out to in the die cavity from runner 202.
This scheme plays the cushioning effect to the injection molding material in the discharge gate 201 through setting up shutoff piece 204 to slow down injection speed, can reduce the strength of injection molding material striking mould wall, thereby reduce the torrent.
In one embodiment of the present invention, the mounting block 203 is screwed to the outlet 201, so as to facilitate the cleaning of the outlet 201 after the mounting and dismounting.
In one embodiment of the invention, a support 3 is mounted on the bottom die 1, the support 3 also being provided with an injection molding assembly 4.
In one embodiment of the present invention, the first arm of the U-shaped connecting frame 406 is fixedly provided with a gear 408, a rack 409 engaged with each of the plurality of gears 408 is slidably mounted in the cavity 302 in a limited manner, and sliding the rack 409 can rotate the gear 408 to make the U-shaped connecting frame 406 drive the T-shaped sleeve 403 to rotate, so as to make the vertical section of the T-shaped sleeve 403 dislocate with the through hole 303. Further, one end of the rack 409 is connected with a driving rod (not shown in the figure), the driving rod is far away from the end of the rack 409 and extends out of the cavity 302 to the outside of the support 3, a driving cylinder (not shown in the figure) for outputting linear motion is fixedly connected, the driving rod is in sealing sliding connection with the support 3, the driving cylinder is started to drive the rack 409 to slide through the driving rod, wherein when the output end of the driving cylinder is at the first limit, the vertical section of the T-shaped tube sleeve 403 can correspond to the through hole 303, and when the output end of the driving cylinder is at the second limit, the vertical section of the T-shaped tube sleeve 403 is misplaced with the through hole 303.
In one embodiment of the present invention, the plurality of limiting rings 305 are integrally connected by a connecting plate, and when the tee pipe sleeve 403 needs to be returned to close the blanking port 402, the plurality of limiting rings 305 can be returned into the annular groove 304 by pressing the connecting plate, so as to facilitate the sliding return of the tee pipe sleeve 403.
An implementation method of an injection molding device for processing automobile parts comprises the following steps:
S1, driving a top die 2 and a bottom die 1 to be folded and matched to form a cavity, and starting a heating mechanism to heat a cavity 302 in a support 3 arranged on the top die 2 to a preset temperature;
S2, the sliding rack 409 drives the gear 408 to rotate so that the plurality of U-shaped connecting frames 406 drive the T-shaped tube sleeve 403 to rotate to a first limit, and at the moment, the vertical section of the T-shaped tube sleeve 403 can correspond to the through hole 303;
S3, starting an injection molding machine, enabling injection molding materials to flow into an injection molding pipe 401, driving a plurality of T-shaped pipe sleeves 403 to synchronously move by an injection molding material pushing sliding plate 404 to open a blanking port 402, enabling the injection molding materials to flow into the blanking port 402, pushing a plugging block 204 to open a gate 202, and enabling the injection molding materials to flow into a cavity from the gate 202, wherein when a vertical section of the T-shaped pipe sleeve 403 moves to correspond to a through hole 303, a limiting ring 305 moves to a side close to the vertical section of the T-shaped pipe sleeve 403 by the elastic force of a second spring 306 so as to surround the vertical section of the T-shaped pipe sleeve 403;
S4, after injection molding is finished, the injection molding material remained in the injection molding pipe 401 is pumped out through a pump body, in the pumping process, the plugging block 204 can be used for sealing the gate 202 due to suction force, so that the injection molding material in a cavity is prevented from flowing back, the plurality of limiting rings 305 are pressed back into the annular groove 304, the sliding rack 409 drives the gear 408 to rotate, so that the plurality of U-shaped connecting frames 406 drive the T-shaped pipe sleeve 403 to rotate to a second limit, and at the moment, the vertical section of the T-shaped pipe sleeve 403 is misplaced with the through hole;
S5, closing the heating mechanism, after air cooling the cavity 302 for a preset time, injecting cooling water into the injection pipe 401 through the water injection mechanism, discharging the cooling water into the cavity 302 from the vertical section of the T-shaped pipe sleeve 403, and opening a water outlet on the support 3 communicated with the cavity 302 so as to recycle the cooling water;
And S6, after cooling, separating the support 3 from the top die 2, discharging water in the cavity 302, and performing demoulding operation.
In the scheme, the temperature in the cavity 302 is kept at a preset temperature by starting the temperature rising mechanism before injection molding, the viscosity of injection molding materials is reduced by a temperature rising mode, the injection molding materials flow into the injection molding pipe 401 to keep good fluidity at a lower injection speed, friction between the injection molding materials and the inner wall of the cavity can be reduced at the preset temperature, the hot runner can reduce cooling before the injection molding materials enter the cavity, so that turbulence is reduced, in the injection molding process, the injection molding pressure is dispersed by the design of a plurality of discharge holes 201, the outflow speed of the injection molding materials from each discharge hole 201 is reduced, the injection molding materials in the discharge holes 201 are buffered by arranging the sealing blocks 204, so that the force of the injection molding materials impacting the mold wall is reduced, turbulence is reduced, the injection molding materials can uniformly flow into the cavity at the same time by the design of the T-shaped pipe sleeve 403, the uniformity of cooling is ensured, the buckling or deformation of the molding materials is avoided, and the molding quality is ensured after the injection molding is finished.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (6)

1.一种汽车零配件加工用注塑装置，包括底模以及与底模配合形成型腔的顶模，其特征在于：所述顶模上安装有支座，所述支座上设有与顶模配合的安装槽，所述支座内设有空腔，所述空腔内设置有注塑组件，所述注塑组件包括注塑管，所述注塑管第一端与注塑机的出料管固定连接，所述注塑管第二端封闭设置，所述注塑管上沿注塑管延伸方向并排设置有多个落料口，所述注塑管上滑动安装有多个与落料口一一对应的T形管套，所述T形管套的水平段套设在注塑管上，所述T形管套竖直段的底端与空腔底壁贴合，滑动所述T形管套能够打开或封闭落料口，所述支座底壁设有多个与落料口一一对应的通孔，所述顶模上设有多个与通孔一一对应的出料口，所述出料口与型腔连通，滑动所述T形管套打开落料口能够使注塑料依次沿落料口、T形管套、通孔、出料口流至型腔内；其中，T形管套的竖直段连通落料口和通孔时，注塑料能够从出料口流出，T形管套的竖直段与落料口和通孔错位时，注塑料封闭在注塑管内；所述注塑管内靠近注塑管第二端侧滑动安装有滑板，所述滑板与注塑管第二端内壁之间固定连接有第一弹簧，所述滑板一侧固定连接有U形连接架，多个T形管套通过连接杆连接为一体，所述U形连接架第一臂延伸出注塑管且与注塑管滑动连接，所述U形连接架第二臂与连接杆固定连接，滑动所述滑板能够通过U形连接架带动多个T形管套同步滑动以打开或封闭落料口。1. An injection molding device for processing automobile parts, comprising a bottom mold and a top mold that cooperates with the bottom mold to form a mold cavity, characterized in that: a support is installed on the top mold, the support is provided with a mounting groove that cooperates with the top mold, a cavity is provided in the support, an injection molding component is provided in the cavity, the injection molding component includes an injection molding tube, a first end of the injection molding tube is fixedly connected to a discharge pipe of an injection molding machine, and the second end of the injection molding tube is closed, a plurality of blanking openings are arranged side by side on the injection molding tube along the extension direction of the injection molding tube, a plurality of T-shaped pipe sleeves corresponding to the blanking openings are slidably installed on the injection molding tube, the horizontal section of the T-shaped pipe sleeve is sleeved on the injection molding tube, the bottom end of the vertical section of the T-shaped pipe sleeve is in contact with the bottom wall of the cavity, and the sliding of the T-shaped pipe sleeve can open or close the blanking opening, the bottom wall of the support is provided with a plurality of through holes corresponding to the blanking openings, and the top mold is provided with a plurality of through holes corresponding to the through holes The discharging port is connected with the cavity, and sliding the T-shaped tube sleeve to open the blanking port can make the injection plastic flow into the cavity along the blanking port, the T-shaped tube sleeve, the through hole and the discharging port in sequence; wherein, when the vertical section of the T-shaped tube sleeve is connected with the blanking port and the through hole, the injection plastic can flow out from the discharging port, and when the vertical section of the T-shaped tube sleeve is misaligned with the blanking port and the through hole, the injection plastic is sealed in the injection tube; a slide plate is slidably installed in the injection tube near the second end side of the injection tube, and a first spring is fixedly connected between the slide plate and the inner wall of the second end of the injection tube, and a U-shaped connecting frame is fixedly connected to one side of the slide plate, and multiple T-shaped tube sleeves are connected as a whole through a connecting rod, and the first arm of the U-shaped connecting frame extends out of the injection tube and is slidably connected with the injection tube, and the second arm of the U-shaped connecting frame is fixedly connected to the connecting rod, and sliding the slide plate can drive multiple T-shaped tube sleeves to slide synchronously through the U-shaped connecting frame to open or close the blanking port. 2.根据权利要求1所述的汽车零配件加工用注塑装置，其特征在于：所述支座底壁设有多个分别环绕通孔设置的环形凹槽，所述环形凹槽内滑动安装有限位环，所述限位环与环形凹槽底壁之间固定连接有第二弹簧，所述限位环能够包围T形管套的竖直段，所述限位环的外周壁设有倾斜边，在T形管套滑动以打开落料口过程中，T形管套的竖直段能够挤压限位环的倾斜边以使限位环滑至环形凹槽内；其中，多个限位环通过连接板连接为一体，在需要使T形管套回位以封闭落料口时，通过按压连接板能够使多个限位环回位至环形凹槽内。2. The injection molding device for processing automobile parts according to claim 1 is characterized in that: the bottom wall of the support is provided with a plurality of annular grooves respectively arranged around the through holes, a limit ring is slidably installed in the annular groove, a second spring is fixedly connected between the limit ring and the bottom wall of the annular groove, the limit ring can surround the vertical section of the T-shaped pipe sleeve, the outer peripheral wall of the limit ring is provided with an inclined edge, when the T-shaped pipe sleeve slides to open the blanking port, the vertical section of the T-shaped pipe sleeve can squeeze the inclined edge of the limit ring to make the limit ring slide into the annular groove; wherein, the plurality of limit rings are connected as a whole by a connecting plate, and when the T-shaped pipe sleeve needs to be returned to close the blanking port, the plurality of limit rings can be returned to the annular groove by pressing the connecting plate. 3.根据权利要求2所述的汽车零配件加工用注塑装置，其特征在于：所述顶模内设有多个与出料口一一连通的浇口，所述出料口内安装有能够封堵出料口的安装块，所述出料口内滑动安装有能够封堵浇口的封堵块，所述封堵块与安装块之间固定连接有第三弹簧。3. The injection molding device for processing automobile parts according to claim 2 is characterized in that: a plurality of gates connected one by one with the discharge ports are provided in the top mold, a mounting block capable of blocking the discharge ports is installed in the discharge ports, a blocking block capable of blocking the gates is slidably installed in the discharge ports, and a third spring is fixedly connected between the blocking block and the mounting block. 4.根据权利要求3所述的汽车零配件加工用注塑装置，其特征在于：所述安装块与出料口螺纹连接。4. The injection molding device for automobile parts processing according to claim 3, characterized in that the mounting block is threadedly connected to the discharge port. 5.根据权利要求4所述的汽车零配件加工用注塑装置，其特征在于：所述U形连接架第一臂上延伸出注塑管处固定安装有齿轮，所述空腔内限位滑动安装有与多个齿轮均啮合的齿条，滑动所述齿条能够使齿轮转动以使U形连接架带动T形管套转动，以使T形管套的竖直段与通孔错位。5. The injection molding device for processing automobile parts according to claim 4 is characterized in that: a gear is fixedly installed at the place where the injection molding tube extends from the first arm of the U-shaped connecting frame, and a rack meshing with multiple gears is slidably installed in the cavity, and sliding the rack can rotate the gear so that the U-shaped connecting frame drives the T-shaped pipe sleeve to rotate, so that the vertical section of the T-shaped pipe sleeve is misaligned with the through hole. 6.根据权利要求5所述的汽车零配件加工用注塑装置的实施方法，其特征在于，包括以下步骤：6. The implementation method of the injection molding device for automobile parts processing according to claim 5 is characterized in that it comprises the following steps: S1：驱动顶模与底模合拢配合以形成型腔，启动升温机构对安装在顶模上的支座内的空腔加热至预设温度；S1: driving the top mold and the bottom mold to close together to form a cavity, and starting the heating mechanism to heat the cavity in the support installed on the top mold to a preset temperature; S2：滑动齿条带动齿轮转动以使多个U形连接架带动T形管套转动至第一极限位，以使T形管套的竖直段能够与通孔对应；S2: The sliding rack drives the gear to rotate so that the multiple U-shaped connecting frames drive the T-shaped pipe sleeve to rotate to the first limit position, so that the vertical section of the T-shaped pipe sleeve can correspond to the through hole; S3：启动注塑机，使注塑料流入注塑管中，通过注塑料推动滑板以带动多个T形管套同步移动以打开落料口，使注塑料流入落料口内推动封堵块以打开浇口，以使注塑料能够从浇口流入型腔内，其中，T形管套的竖直段移动至与通孔对应时，限位环受到第二弹簧的弹力往靠近T形管套竖直段侧移动以包围T形管套竖直段；S3: Start the injection molding machine to allow the injection plastic to flow into the injection molding tube, and the injection plastic pushes the slide plate to drive multiple T-shaped tube sleeves to move synchronously to open the blanking port, so that the injection plastic flows into the blanking port and pushes the blocking block to open the gate, so that the injection plastic can flow from the gate into the mold cavity, wherein, when the vertical section of the T-shaped tube sleeve moves to correspond to the through hole, the limit ring is moved to the side close to the vertical section of the T-shaped tube sleeve by the elastic force of the second spring to surround the vertical section of the T-shaped tube sleeve; S4：注塑完成后，通过泵体将注塑管内残留的注塑料抽出，再将多个限位环按压回至环形凹槽内，再滑动齿条带动齿轮转动以使多个U形连接架带动T形管套转动至第二极限位，以使T形管套的竖直段与通孔错位；S4: After the injection molding is completed, the injection plastic remaining in the injection molding tube is extracted through the pump body, and then the plurality of limit rings are pressed back into the annular groove, and then the sliding rack drives the gear to rotate so that the plurality of U-shaped connecting frames drive the T-shaped pipe sleeve to rotate to the second limit position, so that the vertical section of the T-shaped pipe sleeve is misaligned with the through hole; S5：关闭升温机构，使空腔空冷预设时间后，通过注水机构往注塑管内注入冷却水，使冷却水能够从T形管套的竖直段排出至空腔内，并打开支座上与空腔连通的排水口，以使冷却水循环利用；S5: After the temperature raising mechanism is closed and the cavity is air-cooled for a preset time, cooling water is injected into the injection tube through the water injection mechanism so that the cooling water can be discharged from the vertical section of the T-shaped sleeve into the cavity, and the drain port on the support connected to the cavity is opened to circulate the cooling water; S6：冷却完毕后，将支座与顶模脱离，排出空腔内的水，并进行脱模操作。S6: After cooling, the support is separated from the top mold, the water in the cavity is discharged, and the demoulding operation is performed.
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