JP2021088167A - Injection molding of pp plastic spring - Google Patents

Injection molding of pp plastic spring Download PDF

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JP2021088167A
JP2021088167A JP2020074987A JP2020074987A JP2021088167A JP 2021088167 A JP2021088167 A JP 2021088167A JP 2020074987 A JP2020074987 A JP 2020074987A JP 2020074987 A JP2020074987 A JP 2020074987A JP 2021088167 A JP2021088167 A JP 2021088167A
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die
groove
space
plastic
plastic injection
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鄭杰▲かい▼
Jiekai Zheng
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • 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
    • B29C45/1742Mounting of moulds; Mould supports
    • 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
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives 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
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • B29C45/7312Construction of heating or cooling fluid flow channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10Polymers of propylene
    • B29K2023/12PP, i.e. polypropylene
    • 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
    • B29L2031/774Springs

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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

To provide a technology for improving efficiency of injection molding of a PP plastic spring.SOLUTION: There is provided a technology for injection molding of a PP plastic spring, comprising: including a base 10; fixedly installing a plastic injection molding frame 12 on an upper end surface of the base through supporting columns which are symmetrically arranged; arranging a molding cavity 13 in the plastic injection molding frame; constituting an injection molding cavity of the spring by an outer mold 18 to be separable and symmetric, and four inner molds 31 arranged in circular shapes; quickly molding the spring by a cooling device 85 when the plastic is poured into a mold; disengaging the outer mold and the inner molds from the spring, respectively, when the mold is released; increasing a mold-releasing speed of the spring itself because centrifugal force is generated when an operation block 21 drives and rotates the spring; and improving the efficiency of injection molding work of the spring without damaging the spring.SELECTED DRAWING: Figure 1

Description

本願発明はプラスチック成形技術分野に関わり、具体的にはPPプラスチックばねの射出成形である。 The present invention relates to the field of plastic molding technology, and specifically is injection molding of a PP plastic spring.

PPプラスチックばねの成形とは、型により螺旋型空間を作り出し、射出成形機のボルト圧力により溶融したプラスチックを型に流し込み、冷却成形の後、型抜きを行い、既存のプラスチックばねの射出成形装置はプラスチックを型に流し込むことと型抜きを行う過程に、ばねが型の外周を囲むため、ばねは型抜きする過程に型に引っかかる問題をもたらし、機器を増設してばねに型抜きを補助すると、ばねを損壊する恐れがあり、ばねの使用に影響し、また、ばねの型抜き作業の時間が長いと、プラスチックばねの射出成形は効率が低い問題がある。本願発明は上記の問題を解決できる装置を開示する。 In the molding of PP plastic springs, a spiral mold space is created by a mold, molten plastic is poured into the mold by the bolt pressure of an injection molding machine, and after cooling molding, die cutting is performed. Since the spring surrounds the outer circumference of the mold during the process of pouring plastic into the mold and performing the die-cutting, the spring causes a problem of being caught in the mold during the die-cutting process. There is a problem that injection molding of plastic springs is inefficient if the springs may be damaged, affect the use of the springs, and the time required for die cutting of the springs is long. The present invention discloses a device capable of solving the above problems.

中国特許出願公開第107614234号明細書Chinese Patent Application Publication No. 107614234

既存のPPプラスチックばねの射出成形は型抜きの構成が複雑で、作業効率を下げる上に、型抜きをする時、ばねを損壊する恐れもある。 The injection molding of existing PP plastic springs has a complicated die-cutting structure, which lowers work efficiency and may damage the spring when die-cutting.

上記の問題を解決するため、本願発明はPPプラスチックばねの射出成形を設計する。PPプラスチックばねの射出成形は、ベースを含み、前記ベースの上端面にはプラスチック射出フレームが左右対称になる支持柱により固定的に取り付けられ、前記プラスチック射出フレームの中には成形空間が設置され、前記成形空間の中には移動装置が設置され、前記移動装置は左右対称になる外型を含み、二つの前記外型の内端壁により螺旋形の外プラスチック射出溝が形成され、前記成形空間の上端壁には回転装置が設置され、前記回転装置は回転可能な操作ブロックを含み、前記操作ブロックの中には四つの型抜き装置が環状に配列され、前記型抜き装置は上下対称になる型抜きスライダを含み、前記型抜きスライダは水平に移動でき、また前記型抜きスライダの中にはプラスチック射出孔が設置され、前記型抜きスライダにおいて配置中心から離れた一端には内型が固定的に設置され、四つの前記内型により円形かつ平滑の正円弧を構成でき、また前記内型の外周には内プラスチック射出溝が囲むように形成され、前記内プラスチック射出溝と前記外プラスチック射出溝によりプラスチック射出を行ってばねを作り出せる成形溝が構成され、前記プラスチック射出孔により溶融したプラスチックが前記内プラスチック射出溝と前記外プラスチック射出溝との間に流し込まれ、前記内プラスチック射出溝において配置中心に近接する側には冷却装置が設置され、前記冷却装置はプラスチック射出を行った後のばねを速く冷却して成形させることができ、前記型抜き装置の間には伝動装置が設置され、前記伝動装置が前記型抜きスライダの移動に動力を提供でき、前記伝動装置の下側には動力装置が設置され、前記動力装置は前記伝動装置の作動に動力を提供でき、また左右の前記型抜きスライダに左右二つの前記内型を互いに近づくように移動させてから、前後二つの前記内型を互いに近づくように移動させることができ、成形後のばねが次々と前記内型から離脱し、離脱する過程に、前記回転装置は作動して前記内型を回転させることができるため、ばねが素早く型から離脱できる。 In order to solve the above problems, the present invention designs injection molding of PP plastic springs. The injection molding of a PP plastic spring includes a base, and the plastic injection frame is fixedly attached to the upper end surface of the base by a support column in which the plastic injection frame is symmetrical, and a molding space is provided in the plastic injection frame. A moving device is installed in the molding space, and the moving device includes a symmetrical outer mold, and a spiral outer plastic injection groove is formed by two inner end walls of the outer mold, and the molding space is formed. A rotating device is installed on the upper end wall of the rotating device, the rotating device includes a rotatable operation block, four die cutting devices are arranged in an annular shape in the operation block, and the die cutting device is vertically symmetrical. Including a die-cutting slider, the die-cutting slider can be moved horizontally, and a plastic injection hole is installed in the die-cutting slider, and an inner die is fixed at one end of the die-cutting slider away from the placement center. A circular and smooth regular arc can be formed by the four inner molds, and an inner plastic injection groove is formed on the outer periphery of the inner mold so as to surround the inner plastic injection groove and the outer plastic injection groove. A molded groove capable of injecting plastic to create a spring is formed, and the plastic melted by the plastic injection hole is poured between the inner plastic injection groove and the outer plastic injection groove, and is arranged at the inner plastic injection groove. A cooling device is installed on the side close to the molding device, and the cooling device can quickly cool and mold the spring after the plastic injection, and a transmission device is installed between the die cutting devices. The transmission device can provide power for the movement of the die-cutting slider, a power device is installed under the transmission device, the power device can provide power for the operation of the transmission device, and the left and right die-cutting devices can be used. The two inner molds on the left and right can be moved closer to each other on the slider, and then the two inner molds on the front and rear can be moved closer to each other. In the process of doing so, the rotating device can operate to rotate the inner mold, so that the spring can be quickly released from the mold.

前記移動装置は左右対称になり、かつ前記形成空間と連通した回転親ねじを含み、前記回転親ねじの中には移動溝が回転可能に形成され、前記移動溝には移動ブロックがねじ山により連結され、前記外型が前記移動ブロックの下端に固定的に設置され、前記回転親ねじの間には移動モータが取り付けられ、前記回転親ねじにおいて前記移動モータに近接する一端が前記移動モータに伝動可能に連結され、前記移動モータが作動して前記外型を対向して移動するように駆動できる。 The moving device is symmetrical and includes a rotary master screw communicating with the forming space, a moving groove is rotatably formed in the rotary master screw, and a moving block is formed by a screw thread in the moving groove. Connected, the outer die is fixedly installed at the lower end of the moving block, a moving motor is attached between the rotary master screws, and one end of the rotary master screw close to the mobile motor is attached to the mobile motor. It is movably connected, and the moving motor can be operated to drive the outer mold to move in opposition to each other.

前記回転装置は回転空間を含み、前記回転空間の中には回転盤が回転軸により回転可能に設置され、前記回転軸の下端には回転モータが伝動可能に連結され、前記回転モータが前記回転空間の下端壁に固定的に設置され、前記操作ブロックが前記回転盤の下端面に固定的に設置され、前記回転盤の中には環状に配置された四つのスライドガイド溝が形成され、前記スライドガイド溝の中にはスライドガイドブロックがスライド可能に設置され、前記スライドガイドブロックの下端と前記内型とが固定的に連結され、前記回転モータは作動して前記内型を回転連動させることができる。 The rotating device includes a rotating space, in which a rotating disk is rotatably installed by a rotating shaft, a rotating motor is movably connected to the lower end of the rotating shaft, and the rotating motor rotates. The operation block is fixedly installed on the lower end wall of the space, the operation block is fixedly installed on the lower end surface of the turntable, and four slide guide grooves arranged in an annular shape are formed in the turntable. A slide guide block is slidably installed in the slide guide groove, the lower end of the slide guide block and the inner mold are fixedly connected, and the rotary motor operates to rotate and interlock the inner mold. Can be done.

前記型抜き装置は上下対称になり、かつ外に開口した型抜きスライド溝を含み、二つの前記型抜きスライド溝の間には同期溝が前記型抜きスライド溝と連通するように形成され、前記型抜きスライダが前記型抜きスライド溝の中にスライド可能に設置され、また上下の前記型抜きスライダが連結棒により固定的に連結され、前記連結棒が前記同期溝の中にスライド可能に設置され、下側の前記型抜きスライダの中にはねじ軸がねじ山により連結され、上側の前記プラスチック射出孔が上側の前記型抜きスライダの中に設置され、また前記プラスチック射出孔において前記外型に近接する一端と前記内プラスチック射出溝とが連通し、上側の四つの前記型抜きスライド溝の間には四つの十字形に交差して互いに連通した連通溝がそれぞれ四つの前記型抜きスライド溝と連通するように形成され、前記連通溝の中には四つのプラスチック射出パイプがスライド可能に設置され、前記プラスチック射出パイプにおいて前記型抜きスライド溝に近接する一端と前記型抜きスライダとが固定的に連結され、また前記プラスチック射出パイプにより前記連通溝と前記プラスチック射出孔とが連通し、前記連通溝の上側には原料輸送パイプが設置され、前記原料輸送パイプの上端と外部空間の原料システムとが連通し、前記原料輸送パイプの中には電磁弁が固定的に設置され、前記原料輸送パイプにより溶融したプラスチックを前記外プラスチック射出溝と前記内プラスチック射出溝の形成溝に流し込むことができ、ここでばねを作り出す。 The die-cutting device includes a die-cutting slide groove that is vertically symmetrical and is open to the outside, and a synchronous groove is formed between the two die-cutting slide grooves so as to communicate with the die-cutting slide groove. The die-cutting slider is slidably installed in the die-cutting slide groove, the upper and lower die-cutting sliders are fixedly connected by a connecting rod, and the connecting rod is slidably installed in the synchronous groove. A screw shaft is connected by a thread in the lower die-cutting slider, the upper plastic injection hole is installed in the upper die-cutting slider, and the outer die is formed in the plastic injection hole. The adjacent one end and the inner plastic injection groove communicate with each other, and between the four die-cut slide grooves on the upper side, four cross-shaped communicating grooves intersect with each other. It is formed so as to communicate with each other, and four plastic injection pipes are slidably installed in the communication groove, and one end of the plastic injection pipe close to the die-cut slide groove and the die-cut slider are fixedly fixed. The communication groove and the plastic injection hole are communicated with each other by the plastic injection pipe, and a raw material transportation pipe is installed above the communication groove, and the upper end of the raw material transportation pipe and the raw material system in the external space are connected. An electromagnetic valve is fixedly installed in the raw material transport pipe, and the plastic melted by the raw material transport pipe can be poured into the outer plastic injection groove and the inner plastic injection groove forming groove. Create a spring with.

前記冷却装置は前記内型に位置する円弧状の冷却空間を含み、四つの前記冷却空間により完全な環状構成を構成し、左側の前記冷却空間の内端壁の上側位置と右側の前記冷却空間の内端壁の下側位置にはそれぞれ冷却水管が取り付けられ、上下両側の前記冷却水管がそれぞれ外部空間の供水システムと連通し、上側の前記冷却水管の中には冷却ポンプが取り付けられ、前記冷却空間に冷却水を流し込むことにより形成したばねを冷却して成形させることができる。 The cooling device includes an arc-shaped cooling space located in the inner mold, and the four cooling spaces form a complete annular configuration, and the upper position of the inner end wall of the cooling space on the left side and the cooling space on the right side. Cooling water pipes are attached to the lower positions of the inner end walls of the above, the cooling water pipes on both the upper and lower sides communicate with the water supply system in the external space, and a cooling pump is installed in the upper cooling water pipes. The spring formed by pouring cooling water into the cooling space can be cooled and formed.

前記伝動装置は伝動空間を含み、前記伝動空間の中には主動傘歯車が伝動軸により回転可能に設置され、前記主動傘歯車の上側には左右対称になる従動傘歯車が噛み合い、左右両側に位置する前記ねじ軸においてそれぞれ前記伝動空間に近接する一端がそれぞれ左右対称になる前記従動傘歯車と固定的に連結され、前記伝動空間の前端壁には歯車回転軸が回転可能に設置され、前記歯車回転軸と前記伝動軸にはいずれも伝動プーリが固定的に設置され、前記伝動プーリが回転ベルトにより伝動可能に連結され、前記伝動空間の後側には噛合空間が設置され、前記噛合空間の中には第二傘歯車が回転可能に設置され、前後の前記ねじ軸が固定的に連結され、かつ前記噛合空間を貫通し、前記噛合空間の中に位置する後側の前記ねじ軸には第一傘歯車が固定的に設置され、前記第一傘歯車の下側と前記第二傘歯車とが噛み合い、前記第二傘歯車の左側には連結軸が回転可能に設置され、前記連結軸と前記第二傘歯車の下端面にはいずれもタイミングプーリが固定的に設置され、前記タイミングプーリがタイミングベルトにより伝動可能に連結され、前記主動傘歯車は回転して左右の前記ねじ軸を回転連動させることができ、前記第二傘歯車が回転する時、前後の前記ねじ軸が駆動されて回転でき、そして前記内型が水平に移動できる。 The transmission device includes a transmission space, in which a main drive umbrella gear is rotatably installed by a transmission shaft, and symmetrical driven umbrella gears mesh on the upper side of the main drive umbrella gear, and are engaged on both left and right sides. One end of the screw shaft located near the transmission space is fixedly connected to the driven umbrella gear that is symmetrical to each other, and the gear rotation shaft is rotatably installed on the front end wall of the transmission space. A transmission pulley is fixedly installed on both the gear rotation shaft and the transmission shaft, the transmission pulley is movably connected by a rotating belt, and a meshing space is installed on the rear side of the transmission space. A second umbrella gear is rotatably installed inside, the front and rear screw shafts are fixedly connected, and the screw shafts on the rear side located in the meshing space penetrate the meshing space. The first umbrella gear is fixedly installed, the lower side of the first umbrella gear and the second umbrella gear mesh with each other, and the connecting shaft is rotatably installed on the left side of the second umbrella gear. Timing pulleys are fixedly installed on both the shaft and the lower end surface of the second umbrella gear, the timing pulleys are movably connected by a timing belt, and the main driving umbrella gear rotates to connect the left and right screw shafts. The rotation can be interlocked, and when the second captive gear rotates, the front and rear screw shafts can be driven and rotated, and the inner mold can move horizontally.

有益なように、前後両側の前記型抜きスライド溝の長さと幅が同じであり、左右両側の前記型抜きスライド溝の長さと幅も同じであり、また前後両側の前記型抜きスライド溝の長さと幅は左右両側の前記型抜きスライド溝の長さと幅より小さく、こうして前後両側の前記成形空間が対向に移動する距離は左右両側の前記成形空間が対向に移動する距離より小さく、前記内型の収縮移動の柔軟性を高める。 Beneficially, the length and width of the die-cut slide grooves on both front and rear sides are the same, the length and width of the die-cut slide grooves on both left and right sides are also the same, and the length of the die-cut slide grooves on both front and rear sides. The width is smaller than the length and width of the die-cut slide grooves on both the left and right sides, and thus the distance that the molding spaces on both the front and rear sides move oppositely is smaller than the distance that the molding spaces on both the left and right sides move oppositely. Increases the flexibility of contraction movement.

前記動力装置は旋転空間を含み、前記旋転空間の中には旋転盤がモータ軸により回転可能に設置され、前記モータ軸の下端には型抜きモータが伝動可能に連結され、前記旋転盤の中には二つの当接溝が形成され、前記旋転空間の外周には二つのスライド溝が前記旋転空間と連通するように形成され、前記スライド溝の中にはラックがスライド可能に設置され、前記ラックにおいて前記旋転空間に近接する一端が前記当接溝の中に伸びており、前記ラックの他端と前記スライド溝との間には伸縮ばねが固定的に設置され、前記ラックの片側には伝動溝が形成され、前記伝動溝の中には前記ラックと噛み合う噛合歯車が回転可能に設置され、前記ラックと前記噛合歯車が噛み合った端面は歯状の構成を有し、前記歯車回転軸の下端と前側の前記噛合歯車の中心とが固定的に連結され、前記連結軸の下端と後側の前記噛合歯車の中心とが固定的に連結され、前記旋転盤が回転する時、前側の前記ラックを移動連動させてから後側の前記ラックを回転連動させ、そして前側の前記噛合歯車が回転してから後側の前記噛合歯車が回転する。 The power device includes a rotating space, in which a rotating disk is rotatably installed by a motor shaft, and a die-cutting motor is movably connected to the lower end of the motor shaft, and the inside of the rotating disk. Two contact grooves are formed in the wheel, two slide grooves are formed on the outer periphery of the rotation space so as to communicate with the rotation space, and a rack is slidably installed in the slide grooves. In the rack, one end close to the rotating space extends into the contact groove, and a telescopic spring is fixedly installed between the other end of the rack and the slide groove, and on one side of the rack. A transmission groove is formed, and a meshing gear that meshes with the rack is rotatably installed in the transmission groove. The end face of the mesh meshing gear with the rack has a tooth-like structure, and the gear rotation shaft has a tooth-like structure. When the lower end and the center of the meshing gear on the front side are fixedly connected, the lower end of the connecting shaft and the center of the meshing gear on the rear side are fixedly connected, and the turning disk rotates, the front side said. The rack is moved and interlocked, then the rear rack is rotationally interlocked, and the front meshing gear is rotated, and then the rear meshing gear is rotated.

有益なように、後側の前記当接溝の開口は前側の前記当接溝の開口より大きく、前後の前記ラックの長さと形状は同じであり、後側の前記噛合歯車の直径は前側の前記噛合歯車のより大きく、こうして前記ラックが前記スライド溝の中で移動する時、後側の前記噛合歯車の回転角度又は回転数は前側の前記噛合歯車の回転角度又は回転数より小さく、さらに、前記旋転盤が回転する時、まず前側の前記ラックが移動し、前側の前記ラックが移動を止めた後、後側の前記ラックが移動し、前記噛合歯車の直径は異なるため、前後の前記内型の移動距離は左右両側の前記内型の移動距離より小さく、部品間の協働は柔軟になる。 Beneficially, the opening of the abutment groove on the rear side is larger than the opening of the abutment groove on the front side, the length and shape of the racks on the front and rear sides are the same, and the diameter of the meshing gear on the rear side is on the front side. Larger of the meshing gear, thus when the rack moves in the slide groove, the rotation angle or rotation speed of the meshing gear on the rear side is smaller than the rotation angle or rotation speed of the meshing gear on the front side, and further. When the turning machine rotates, the rack on the front side first moves, the rack on the front side stops moving, and then the rack on the rear side moves, and the diameters of the meshing gears are different. The moving distance of the mold is smaller than the moving distance of the inner mold on both the left and right sides, and the cooperation between the parts becomes flexible.

本願発明は分離可能なかつ左右対称になる外型と、四つの環状に配列された内型によりばねの射出成形空間を構成し、プラスチックを型に流し込む時、冷却装置によりばねを速く成形させ、型抜きの時、外型と内型がそれぞればねから離脱し、また操作ブロックがばねを駆動して回転させるときに、遠心力を生み出すため、ばね自身の型抜きを速め、ばねを損壊しなく、ばねの射出成形作業の効率を高める。 In the present invention, a separable and symmetrical outer mold and four ring-shaped inner molds form a spring injection molding space, and when plastic is poured into the mold, the spring is quickly molded by a cooling device, and the mold is formed. At the time of punching, the outer die and the inner die are separated from the spring, and when the operation block drives and rotates the spring, centrifugal force is generated, so the die cutting of the spring itself is accelerated and the spring is not damaged. Increase the efficiency of spring injection molding work.

下記に図1〜5をあわせて本発明について詳しく説明し、便利に説明するために、下記の方向を以下のように規定する:図1は本発明装置の正面図であり、本願に記載の各方向が、図1と同じ向きに装置を見た際の方向である。 In order to explain the present invention in detail with reference to FIGS. 1 to 5 below and to explain the present invention in a convenient manner, the following directions are defined as follows: FIG. 1 is a front view of the apparatus of the present invention and is described in the present application. Each direction is the direction when the device is viewed in the same direction as in FIG.

図1は本願発明の全体構成概略図FIG. 1 is a schematic diagram of the overall configuration of the present invention. 図2は図1の「A」部の拡大構成概略図FIG. 2 is an enlarged schematic diagram of the “A” part of FIG. 図3は図1の「B」部の拡大構成概略図FIG. 3 is an enlarged schematic diagram of the “B” portion of FIG. 図4は図3の「C―C」方向の構成概略図FIG. 4 is a schematic configuration diagram in the “CC” direction of FIG. 図5は図3の「D―D」方向の構成概略図FIG. 5 is a schematic configuration diagram in the “DD” direction of FIG.

本願発明はPPプラスチックばねの射出成形であり、主にプラスチックばねの成形作業に用いられ、下記に本願発明の附図に合わせて更なる説明を行う。 The present invention is injection molding of a PP plastic spring, and is mainly used for molding a plastic spring, and further description will be given below in accordance with the accompanying drawings of the present invention.

本願発明に記載のPPプラスチックばねの射出成形は、ベース10を含み、前記ベース10の上端面にはプラスチック射出フレーム12が左右対称になる支持柱11により固定的に取り付けられ、前記プラスチック射出フレーム12の中には成形空間13が設置され、前記成形空間13の中には移動装置86が設置され、前記移動装置86は左右対称になる外型18を含み、二つの前記外型18の内端壁により螺旋形の外プラスチック射出溝19が形成され、前記成形空間13の上端壁には回転装置90が設置され、前記回転装置90は回転可能な操作ブロック21を含み、前記操作ブロック21の中には四つの型抜き装置89が環状に配列され、前記型抜き装置89は上下対称になる型抜きスライダ29を含み、前記型抜きスライダ29は水平に移動でき、また前記型抜きスライダ29の中にはプラスチック射出孔39が設置され、前記型抜きスライダ29において配置中心から離れた一端には内型31が固定的に設置され、四つの前記内型31により円形かつ平滑の正円弧を構成でき、また前記内型31の外周には内プラスチック射出溝32が囲むように形成され、前記内プラスチック射出溝32と前記外プラスチック射出溝19によりプラスチック射出を行ってばねを作り出せる成形溝が構成され、前記プラスチック射出孔39により溶融したプラスチックが前記内プラスチック射出溝32と前記外プラスチック射出溝19との間に流し込まれ、前記内プラスチック射出溝32において配置中心に近接する側には冷却装置85が設置され、前記冷却装置85はプラスチック射出を行った後のばねを速く冷却して成形させることができ、前記型抜き装置89の間には伝動装置88が設置され、前記伝動装置88が前記型抜きスライダ29の移動に動力を提供でき、前記伝動装置88の下側には動力装置87が設置され、前記動力装置87は前記伝動装置88の作動に動力を提供でき、また左右の前記型抜きスライダ29に左右二つの前記内型31を互いに近づくように移動させてから、前後二つの前記内型31を互いに近づくように移動させることができ、成形後のばねが次々と前記内型31から離脱し、離脱する過程に、前記回転装置90は作動して前記内型31を回転させることができるため、ばねが素早く型から離脱できる。 The injection molding of a PP plastic spring according to the present invention includes a base 10, and the plastic injection frame 12 is fixedly attached to the upper end surface of the base 10 by a support column 11 in which the plastic injection frame 12 is bilaterally symmetrical. A molding space 13 is installed in the molding space 13, and a moving device 86 is installed in the molding space 13. The moving device 86 includes an outer mold 18 that is symmetrical, and is an inner end of two outer molds 18. A spiral outer plastic injection groove 19 is formed by the wall, a rotating device 90 is installed on the upper end wall of the molding space 13, and the rotating device 90 includes a rotatable operation block 21 and is inside the operation block 21. Four die-cutting devices 89 are arranged in an annular shape, the die-cutting device 89 includes a die-cutting slider 29 that is vertically symmetrical, the die-cutting slider 29 can be moved horizontally, and the inside of the die-cutting slider 29. A plastic injection hole 39 is installed in the die-cutting slider 29, and an inner die 31 is fixedly installed at one end of the die-cutting slider 29 away from the center of arrangement, and the four inner molds 31 can form a circular and smooth regular arc. Further, an inner plastic injection groove 32 is formed on the outer periphery of the inner mold 31 so as to surround the inner plastic injection groove 32, and the inner plastic injection groove 32 and the outer plastic injection groove 19 form a molding groove capable of producing a spring by injecting plastic. The plastic melted by the plastic injection hole 39 is poured between the inner plastic injection groove 32 and the outer plastic injection groove 19, and a cooling device 85 is installed on the inner plastic injection groove 32 near the placement center. The cooling device 85 can quickly cool and mold the spring after the plastic injection, a transmission device 88 is installed between the die cutting devices 89, and the transmission device 88 is used for the die cutting. Power can be provided for the movement of the slider 29, a power device 87 is installed under the transmission device 88, the power device 87 can provide power for the operation of the transmission device 88, and the left and right die-cut sliders. The two inner molds 31 on the left and right can be moved closer to each other on 29, and then the two inner molds 31 on the front and rear can be moved closer to each other, and the springs after molding are separated from the inner mold 31 one after another. Then, in the process of releasing, the rotating device 90 can operate to rotate the inner mold 31, so that the spring can be quickly released from the mold.

前記移動装置86は左右対称になり、かつ前記形成空間13と連通した回転親ねじ14を含み、前記回転親ねじ14の中には移動溝16が回転可能に形成され、前記移動溝16には移動ブロック15がねじ山により連結され、前記外型18が前記移動ブロック15の下端に固定的に設置され、前記回転親ねじ14の間には移動モータ17が取り付けられ、前記回転親ねじ14において前記移動モータ17に近接する一端が前記移動モータ17に伝動可能に連結され、前記移動モータ17が作動して前記外型18を対向して移動するように駆動できる。 The moving device 86 is symmetrical and includes a rotary master screw 14 that communicates with the forming space 13. A moving groove 16 is rotatably formed in the rotary master screw 14, and the moving groove 16 is formed. The moving block 15 is connected by a screw thread, the outer mold 18 is fixedly installed at the lower end of the moving block 15, and a moving motor 17 is attached between the rotary master screws 14, and the rotary master screw 14 is used. One end close to the mobile motor 17 is communicably connected to the mobile motor 17, and the mobile motor 17 can be operated to drive the outer mold 18 to move opposite to each other.

前記回転装置90は回転空間35を含み、前記回転空間35の中には回転盤38が回転軸37により回転可能に設置され、前記回転軸37の下端には回転モータ36が伝動可能に連結され、前記回転モータ36が前記回転空間35の下端壁に固定的に設置され、前記操作ブロック21が前記回転盤38の下端面に固定的に設置され、前記回転盤38の中には環状に配置された四つのスライドガイド溝80が形成され、前記スライドガイド溝80の中にはスライドガイドブロック40がスライド可能に設置され、前記スライドガイドブロック40の下端と前記内型31とが固定的に連結され、前記回転モータ36は作動して前記内型31を回転連動させることができる。 The rotating device 90 includes a rotating space 35, a rotating disk 38 is rotatably installed in the rotating space 35 by a rotating shaft 37, and a rotating motor 36 is rotatably connected to the lower end of the rotating shaft 37. The rotary motor 36 is fixedly installed on the lower end wall of the rotary space 35, the operation block 21 is fixedly installed on the lower end surface of the rotary disk 38, and is arranged in an annular shape in the rotary disk 38. The four slide guide grooves 80 are formed, and the slide guide block 40 is slidably installed in the slide guide groove 80, and the lower end of the slide guide block 40 and the inner mold 31 are fixedly connected to each other. Then, the rotary motor 36 can be operated to rotate the inner mold 31 in conjunction with the rotation.

前記型抜き装置89は上下対称になり、かつ外に開口した型抜きスライド溝25を含み、二つの前記型抜きスライド溝25の間には同期溝22が前記型抜きスライド溝25と連通するように形成され、前記型抜きスライダ29が前記型抜きスライド溝25の中にスライド可能に設置され、また上下の前記型抜きスライダ29が連結棒23により固定的に連結され、前記連結棒23が前記同期溝22の中にスライド可能に設置され、下側の前記型抜きスライダ29の中にはねじ軸27がねじ山により連結され、上側の前記プラスチック射出孔39が上側の前記型抜きスライダ29の中に設置され、また前記プラスチック射出孔39において前記外型18に近接する一端と前記内プラスチック射出溝32とが連通し、上側の四つの前記型抜きスライド溝25の間には四つの十字形に交差して互いに連通した連通溝24がそれぞれ四つの前記型抜きスライド溝25と連通するように形成され、前記連通溝24の中には四つのプラスチック射出パイプ26がスライド可能に設置され、前記プラスチック射出パイプ26において前記型抜きスライド溝25に近接する一端と前記型抜きスライダ29とが固定的に連結され、また前記プラスチック射出パイプ26により前記連通溝24と前記プラスチック射出孔39とが連通し、前記連通溝24の上側には原料輸送パイプ69が設置され、前記原料輸送パイプ69の上端と外部空間の原料システムとが連通し、前記原料輸送パイプ69の中には電磁弁68が固定的に設置され、前記原料輸送パイプ69により溶融したプラスチックを前記外プラスチック射出溝19と前記内プラスチック射出溝32の形成溝に流し込むことができ、ここでばねを作り出す。 The die-cutting device 89 includes a die-cutting slide groove 25 that is vertically symmetrical and is open to the outside so that a synchronous groove 22 communicates with the die-cutting slide groove 25 between the two die-cutting slide grooves 25. The die-cutting slider 29 is slidably installed in the die-cutting slide groove 25, and the upper and lower die-cutting sliders 29 are fixedly connected by a connecting rod 23, and the connecting rod 23 is fixedly connected to the connecting rod 23. Slidingly installed in the synchronous groove 22, a screw shaft 27 is connected by a thread in the lower die-cutting slider 29, and the upper plastic injection hole 39 is the upper die-cutting slider 29. One end of the plastic injection hole 39 close to the outer mold 18 and the inner plastic injection groove 32 communicate with each other, and four cross shapes are formed between the four upper die-cut slide grooves 25. The communication grooves 24 intersecting with each other and communicating with each other are formed so as to communicate with the four die-cut slide grooves 25, and four plastic injection pipes 26 are slidably installed in the communication grooves 24. In the plastic injection pipe 26, one end close to the die-cut slide groove 25 and the die-cut slider 29 are fixedly connected, and the communication groove 24 and the plastic injection hole 39 are communicated by the plastic injection pipe 26. A raw material transport pipe 69 is installed above the communication groove 24, the upper end of the raw material transport pipe 69 communicates with the raw material system in the external space, and an electromagnetic valve 68 is fixed in the raw material transport pipe 69. The plastic melted by the raw material transport pipe 69 can be poured into the forming grooves of the outer plastic injection groove 19 and the inner plastic injection groove 32, and a spring is created here.

前記冷却装置85は前記内型31に位置する円弧状の冷却空間33を含み、四つの前記冷却空間33により完全な環状構成を構成し、左側の前記冷却空間33の内端壁の上側位置と右側の前記冷却空間33の内端壁の下側位置にはそれぞれ冷却水管34が取り付けられ、上下両側の前記冷却水管34がそれぞれ外部空間の供水システムと連通し、上側の前記冷却水管34の中には冷却ポンプ65が取り付けられ、前記冷却空間33に冷却水を流し込むことにより形成したばねを冷却して成形させることができる。 The cooling device 85 includes an arc-shaped cooling space 33 located in the inner mold 31, and the four cooling spaces 33 form a complete annular structure, and the cooling device 85 is located on the upper side of the inner end wall of the cooling space 33 on the left side. Cooling water pipes 34 are attached to the lower positions of the inner end walls of the cooling space 33 on the right side, and the cooling water pipes 34 on both the upper and lower sides communicate with the water supply system in the external space, respectively, and inside the cooling water pipe 34 on the upper side. A cooling pump 65 is attached to the vehicle, and a spring formed by pouring cooling water into the cooling space 33 can be cooled and formed.

前記伝動装置88は伝動空間28を含み、前記伝動空間28の中には主動傘歯車52が伝動軸53により回転可能に設置され、前記主動傘歯車52の上側には左右対称になる従動傘歯車56が噛み合い、左右両側に位置する前記ねじ軸27においてそれぞれ前記伝動空間28に近接する一端がそれぞれ左右対称になる前記従動傘歯車56と固定的に連結され、前記伝動空間28の前端壁には歯車回転軸51が回転可能に設置され、前記歯車回転軸51と前記伝動軸53にはいずれも伝動プーリ54が固定的に設置され、前記伝動プーリ54が回転ベルト55により伝動可能に連結され、前記伝動空間28の後側には噛合空間57が設置され、前記噛合空間57の中には第二傘歯車58が回転可能に設置され、前後の前記ねじ軸27が固定的に連結され、かつ前記噛合空間57を貫通し、前記噛合空間57の中に位置する後側の前記ねじ軸27には第一傘歯車61が固定的に設置され、前記第一傘歯車61の下側と前記第二傘歯車58とが噛み合い、前記第二傘歯車58の左側には連結軸81が回転可能に設置され、前記連結軸81と前記第二傘歯車58の下端面にはいずれもタイミングプーリ59が固定的に設置され、前記タイミングプーリ59がタイミングベルト60により伝動可能に連結され、前記主動傘歯車52は回転して左右の前記ねじ軸27を回転連動させることができ、前記第二傘歯車58が回転する時、前後の前記ねじ軸27が駆動されて回転でき、そして前記内型31が水平に移動できる。 The transmission device 88 includes a transmission space 28, and a main drive umbrella gear 52 is rotatably installed in the transmission space 28 by a transmission shaft 53, and a driven umbrella gear that is symmetrical on the upper side of the main drive umbrella gear 52. 56 meshes with each other, and the screw shafts 27 located on both the left and right sides are fixedly connected to the driven umbrella gear 56 whose ends adjacent to the transmission space 28 are symmetrical to each other, and are fixedly connected to the front end wall of the transmission space 28. The gear rotation shaft 51 is rotatably installed, the transmission pulley 54 is fixedly installed on both the gear rotation shaft 51 and the transmission shaft 53, and the transmission pulley 54 is rotatably connected by the rotation belt 55. A meshing space 57 is installed on the rear side of the transmission space 28, a second umbrella gear 58 is rotatably installed in the meshing space 57, and the front and rear screw shafts 27 are fixedly connected to each other. A first umbrella gear 61 is fixedly installed on the screw shaft 27 on the rear side located in the meshing space 57 and penetrates the meshing space 57, and the lower side of the first umbrella gear 61 and the first umbrella gear 61 are fixedly installed. The two umbrella gears 58 mesh with each other, and a connecting shaft 81 is rotatably installed on the left side of the second umbrella gear 58, and a timing pulley 59 is provided on both the connecting shaft 81 and the lower end surface of the second umbrella gear 58. The timing pulley 59 is fixedly installed, the timing pulley 59 is movably connected by the timing belt 60, the main driving umbrella gear 52 can rotate, and the left and right screw shafts 27 can be rotationally interlocked, and the second umbrella gear 58. When the is rotated, the front and rear screw shafts 27 are driven to rotate, and the inner mold 31 can move horizontally.

有益なように、前後両側の前記型抜きスライド溝25の長さと幅が同じであり、左右両側の前記型抜きスライド溝25の長さと幅も同じであり、また前後両側の前記型抜きスライド溝25の長さと幅は左右両側の前記型抜きスライド溝25の長さと幅より小さく、こうして前後両側の前記成形空間13が対向に移動する距離は左右両側の前記成形空間13が対向に移動する距離より小さく、前記内型31の収縮移動の柔軟性を高める。 Beneficially, the length and width of the die-cut slide grooves 25 on both front and rear sides are the same, the length and width of the die-cut slide grooves 25 on both left and right sides are also the same, and the die-cut slide grooves 25 on both front and rear sides are also the same. The length and width of the 25 are smaller than the length and width of the die-cut slide grooves 25 on both the left and right sides, and thus the distance at which the molding spaces 13 on the front and rear sides move oppositely is the distance at which the molding spaces 13 on the left and right sides move oppositely. It is smaller and increases the flexibility of contraction movement of the inner mold 31.

前記動力装置87は旋転空間41を含み、前記旋転空間41の中には旋転盤44がモータ軸43により回転可能に設置され、前記モータ軸43の下端には型抜きモータ42が伝動可能に連結され、前記旋転盤44の中には二つの当接溝45が形成され、前記旋転空間41の外周には二つのスライド溝47が前記旋転空間41と連通するように形成され、前記スライド溝47の中にはラック46がスライド可能に設置され、前記ラック46において前記旋転空間41に近接する一端が前記当接溝45の中に伸びており、前記ラック46の他端と前記スライド溝47との間には伸縮ばね48が固定的に設置され、前記ラック46の片側には伝動溝49が形成され、前記伝動溝49の中には前記ラック46と噛み合う噛合歯車50が回転可能に設置され、前記ラック46と前記噛合歯車50が噛み合った端面は歯状の構成を有し、前記歯車回転軸51の下端と前側の前記噛合歯車50の中心とが固定的に連結され、前記連結軸81の下端と後側の前記噛合歯車50の中心とが固定的に連結され、前記旋転盤44が回転する時、前側の前記ラック46を移動連動させてから後側の前記ラック46を回転連動させ、そして前側の前記噛合歯車50が回転してから後側の前記噛合歯車50が回転する。 The power device 87 includes a rotating space 41, a rotating disk 44 is rotatably installed in the rotating space 41 by a motor shaft 43, and a die-cutting motor 42 is movably connected to the lower end of the motor shaft 43. Two contact grooves 45 are formed in the turning disk 44, and two slide grooves 47 are formed on the outer periphery of the turning space 41 so as to communicate with the turning space 41. A rack 46 is slidably installed in the rack 46, and one end of the rack 46 close to the rotation space 41 extends into the contact groove 45, and the other end of the rack 46 and the slide groove 47. A telescopic spring 48 is fixedly installed between the racks 46, a transmission groove 49 is formed on one side of the rack 46, and a meshing gear 50 that meshes with the rack 46 is rotatably installed in the transmission groove 49. The end face in which the rack 46 and the meshing gear 50 mesh with each other has a tooth-like structure, and the lower end of the gear rotating shaft 51 and the center of the meshing gear 50 on the front side are fixedly connected to each other so that the connecting shaft 81 is connected. When the lower end of the gear and the center of the meshing gear 50 on the rear side are fixedly connected and the turning disk 44 rotates, the rack 46 on the front side is moved and interlocked, and then the rack 46 on the rear side is rotationally interlocked. Then, after the meshing gear 50 on the front side rotates, the meshing gear 50 on the rear side rotates.

有益なように、後側の前記当接溝45の開口は前側の前記当接溝45の開口より大きく、前後の前記ラック46の長さと形状は同じであり、後側の前記噛合歯車50の直径は前側の前記噛合歯車50のより大きく、こうして前記ラック46が前記スライド溝47の中で移動する時、後側の前記噛合歯車50の回転角度又は回転数は前側の前記噛合歯車50の回転角度又は回転数より小さく、さらに、前記旋転盤44が回転する時、まず前側の前記ラック46が移動し、前側の前記ラック46が移動を止めた後、後側の前記ラック46が移動し、前記噛合歯車50の直径は異なるため、前後の前記内型31の移動距離は左右両側の前記内型31の移動距離より小さく、部品間の協働は柔軟になる。 Beneficially, the opening of the contact groove 45 on the rear side is larger than the opening of the contact groove 45 on the front side, the length and shape of the front and rear racks 46 are the same, and the meshing gear 50 on the rear side has the same length and shape. The diameter is larger than that of the front meshing gear 50, and thus when the rack 46 moves in the slide groove 47, the rotation angle or number of rotations of the rear meshing gear 50 is the rotation of the front meshing gear 50. It is smaller than the angle or the number of rotations, and when the turning disk 44 rotates, the rack 46 on the front side first moves, the rack 46 on the front side stops moving, and then the rack 46 on the rear side moves. Since the diameters of the meshing gears 50 are different, the moving distance of the inner mold 31 in the front and rear is smaller than the moving distance of the inner mold 31 on both the left and right sides, and the cooperation between the parts becomes flexible.

以下、附図1〜5を参照し、本願発明の使用手順を詳しく説明する。 Hereinafter, the procedure for using the present invention will be described in detail with reference to FIGS. 1 to 5.

初期に、左右の外型18が接ぎ合わされ、四つの内型31が接ぎ合わされ、外型18の内端壁が内型31の外周と当接し、外プラスチック射出溝19と内プラスチック射出溝32とが隙間なく接ぎ合わされている。 Initially, the left and right outer molds 18 are joined together, the four inner molds 31 are joined together, the inner end wall of the outer mold 18 abuts on the outer circumference of the inner mold 31, and the outer plastic injection groove 19 and the inner plastic injection groove 32 Are joined together without any gaps.

プラスチック射出の時、電磁弁68を開け、溶融したプラスチックは原料輸送パイプ69、連通溝24、プラスチック射出パイプ26及びプラスチック射出孔39を経由して内プラスチック射出溝32と外プラスチック射出溝19との間に流し込まれ、完成した後、電磁弁68を止め、この過程において、冷却ポンプ65が始動し、外部空間の冷却水を下側の冷却水管34を介して冷却空間33に吸い上げ、冷却水は下から上へと上側の冷却水管を入ったり出たりして循環使用され、冷却空間33は内プラスチック射出溝32と外プラスチック射出溝19の中のプラスチック原料を快速に冷却して成形させ、ばねを作り出し、
型抜きの時、移動モータ17を始動し、移動モータ17が回転親ねじ14を回転連動させ、移動ブロック15が外型18を互いに離れた方向に移動連動させ、外プラスチック射出溝19と成形後のばねとを離脱させ、型抜きモータ42を始動し、型抜きモータ42が旋転盤44を回転連動させ、前側のラック46が前側のスライド溝47に移動し、こうして前側の噛合歯車50が回転し、回転ベルト55により主動傘歯車52が回転し、従動傘歯車56がねじ軸27を回転連動させ、左右両側の型抜きスライダ29が同期に配置中心に移動して左右両側の内型31を互いに近づくように移動連動させ、左右両側の内プラスチック射出溝32が成形後のばねから離脱し、その後、旋転盤44の回転により、前側のラック46がスライド溝47の中に収められて移動を停止し、この時、後側のラック46が押されて後ろに移動し、前後の伸縮ばね48が圧縮されて力を蓄えた状態にあり、そして後側の噛合歯車50が回転し、タイミングベルト60により第二傘歯車58が回転し、前後のねじ軸27が回転し、前後両側の型抜きスライダ29が互いに近づくように移動し、前後両側の内型31が互いに近づくように移動し、前後両側の内プラスチック射出溝32から成形したばねが離脱し、内型31が移動する過程に、回転モータ36が起動して回転盤38を回転させ、操作ブロック21が内型31を回転連動させ、ばねが遠心力を生み出して内型31から離脱することを速められ、回転モータ36が止まった時、内型31が回転を停止し、ばねは脱落して降下し、
その後、移動モータ17が逆転して作動し、回転親ねじ14が逆転し、移動ブロック15が外型18を互いに近づくように移動連動させ、型抜きモータ42が逆転して作動して旋転盤44を逆転させ、伸縮ばね48が弾性復元力で噛合歯車50を旋転空間41の中に移動させ、そして噛合歯車50が逆転し、四つのねじ軸27が逆転し、型抜きスライダ29が配置中心から離れた方向に移動し、四つの内側31が接ぎ合わされて復帰し、次のばねのプラスチック射出成形作業の用意をする。
At the time of plastic injection, the electromagnetic valve 68 is opened, and the molten plastic is connected to the inner plastic injection groove 32 and the outer plastic injection groove 19 via the raw material transport pipe 69, the communication groove 24, the plastic injection pipe 26 and the plastic injection hole 39. After being poured in between and completed, the electromagnetic valve 68 is stopped, and in this process, the cooling pump 65 is started, and the cooling water in the external space is sucked into the cooling space 33 through the lower cooling water pipe 34, and the cooling water is sucked into the cooling space 33. It is circulated by entering and exiting the upper cooling water pipe from the bottom to the top, and the cooling space 33 is formed by rapidly cooling the plastic raw material in the inner plastic injection groove 32 and the outer plastic injection groove 19 to form a spring. Create,
At the time of die cutting, the moving motor 17 is started, the moving motor 17 is rotationally interlocked with the rotary master screw 14, the moving block 15 is interlocked with the movement of the outer die 18 in a direction away from each other, and after molding with the outer plastic injection groove 19. The die-cutting motor 42 is started, the die-cutting motor 42 rotates and interlocks the turning disk 44, the front rack 46 moves to the front slide groove 47, and thus the front meshing gear 50 rotates. Then, the main gear 52 is rotated by the rotating belt 55, the driven gear 56 is rotationally interlocked with the screw shaft 27, and the die-cutting sliders 29 on both the left and right sides are synchronously moved to the center of arrangement to move the inner molds 31 on both the left and right sides. The inner plastic injection grooves 32 on both the left and right sides are separated from the spring after molding by moving and interlocking so as to approach each other, and then, by the rotation of the turning disk 44, the rack 46 on the front side is housed in the slide groove 47 and moves. Stopped, at this time, the rear rack 46 is pushed and moved to the rear, the front and rear telescopic springs 48 are in a state of being compressed and storing force, and the rear meshing gear 50 rotates, and the timing belt The second bevel gear 58 is rotated by 60, the front and rear screw shafts 27 are rotated, the die cutting sliders 29 on both front and rear sides are moved so as to approach each other, and the inner molds 31 on both front and rear sides are moved so as to be close to each other. In the process in which the springs formed from the inner plastic injection grooves 32 on both sides are separated and the inner mold 31 moves, the rotary motor 36 is activated to rotate the rotary disk 38, and the operation block 21 rotates and interlocks the inner mold 31. When the spring generates centrifugal force to accelerate the release from the inner mold 31 and the rotary motor 36 stops, the inner mold 31 stops rotating, and the spring falls off and descends.
After that, the moving motor 17 operates in the reverse direction, the rotary master screw 14 reverses, the moving block 15 moves and interlocks the outer molds 18 so as to approach each other, and the die cutting motor 42 operates in the reverse direction to operate the turning disk 44. The telescopic spring 48 moves the meshing gear 50 into the rotating space 41 by the elastic restoring force, and the meshing gear 50 is reversed, the four screw shafts 27 are reversed, and the die cutting slider 29 is moved from the center of arrangement. Moving away, the four inner 31s are joined together and returned to prepare for the next spring plastic injection molding operation.

上記の方式によって、当業者は本願発明の範囲内で作動モードに基づいて様々な変わりを行うことができる。 By the above method, those skilled in the art can make various changes based on the operation mode within the scope of the present invention.

本願発明はプラスチック成形技術分野に関わり、具体的にはPPプラスチックばねの射出成形である。 The present invention relates to the field of plastic molding technology, and specifically is injection molding of a PP plastic spring.

PPプラスチックばねの成形とは、型により螺旋型空間を作り出し、射出成形機のボルト圧力により溶融したプラスチックを型に流し込み、冷却成形の後、型抜きを行い、既存のプラスチックばねの射出成形装置はプラスチックを型に流し込むことと型抜きを行う過程に、ばねが型の外周を囲むため、ばねは型抜きする過程に型に引っかかる問題をもたらし、機器を増設してばねに型抜きを補助すると、ばねを損壊する恐れがあり、ばねの使用に影響し、また、ばねの型抜き作業の時間が長いと、プラスチックばねの射出成形は効率が低い問題がある。本願発明は上記の問題を解決できる装置を開示する。 In the molding of PP plastic springs, a spiral mold space is created by a mold, molten plastic is poured into the mold by the bolt pressure of an injection molding machine, and after cooling molding, die cutting is performed. Since the spring surrounds the outer circumference of the mold during the process of pouring plastic into the mold and performing the die-cutting, the spring causes a problem of being caught in the mold during the die-cutting process. There is a problem that injection molding of plastic springs is inefficient if the springs may be damaged, affect the use of the springs, and the time required for die cutting of the springs is long. The present invention discloses a device capable of solving the above problems.

中国特許出願公開第107614234号明細書Chinese Patent Application Publication No. 107614234

既存のPPプラスチックばねの射出成形は型抜きの構成が複雑で、作業効率を下げる上に、型抜きをする時、ばねを損壊する恐れもある。 The injection molding of existing PP plastic springs has a complicated die-cutting structure, which lowers work efficiency and may damage the spring when die-cutting.

上記の問題を解決するため、本願発明はPPプラスチックばねの射出成形を設計する。PPプラスチックばねの射出成形は、ベースを含み、前記ベースの上端面にはプラスチック射出フレームが左右対称になる支持柱により固定的に取り付けられ、前記プラスチック射出フレームの中には成形空間が設置され、前記成形空間の中には移動装置が設置され、前記移動装置は左右対称になる外型を含み、二つの前記外型の内端壁により螺旋形の外プラスチック射出溝が形成され、前記成形空間の上端壁には回転装置が設置され、前記回転装置は回転可能な操作ブロックを含み、前記操作ブロックの中には、前記操作ブロックの中心を配置中心として四つの型抜き装置が環状に配列され、前記型抜き装置は上下対称になる型抜きスライダを含み、前記型抜きスライダは水平に移動でき、また前記型抜きスライダの中にはプラスチック射出孔が設置され、前記型抜きスライダにおいて前記配置中心から離れた一端には内型が固定的に設置され、四つの前記内型により完全な円形を構成でき、また前記内型の外周には内プラスチック射出溝が囲むように形成され、前記内プラスチック射出溝と前記外プラスチック射出溝によりプラスチック射出を行ってばねを作り出せる成形溝が構成され、前記プラスチック射出孔により溶融したプラスチックが前記内プラスチック射出溝と前記外プラスチック射出溝との間に流し込まれ、前記内プラスチック射出溝において前記配置中心に近接する側には冷却装置が設置され、前記冷却装置はプラスチック射出を行った後のばねを速く冷却して成形させることができ、前記型抜き装置の間には伝動装置が設置され、前記伝動装置が前記型抜きスライダの移動に動力を提供でき、前記伝動装置の下側には動力装置が設置され、前記動力装置は前記伝動装置の作動に動力を提供でき、また左右の前記型抜きスライダに左右二つの前記内型を互いに近づくように移動させてから、前後二つの前記内型を互いに近づくように移動させることができ、成形後のばねが次々と前記内型から離脱し、離脱する過程に、前記回転装置は作動して前記内型を回転させることができるため、ばねが素早く型から離脱できる。 In order to solve the above problems, the present invention designs injection molding of PP plastic springs. The injection molding of a PP plastic spring includes a base, and the plastic injection frame is fixedly attached to the upper end surface of the base by a support column in which the plastic injection frame is symmetrical, and a molding space is provided in the plastic injection frame. A moving device is installed in the molding space, and the moving device includes a symmetrical outer mold, and a spiral outer plastic injection groove is formed by two inner end walls of the outer mold, and the molding space is formed. A rotating device is installed on the upper end wall of the rotating device, and the rotating device includes a rotatable operation block. In the operation block, four die-cutting devices are arranged in an annular shape with the center of the operation block as the placement center. , is the die-cut device comprises a mold release slider to be vertically symmetrical, the die-cut slider can be moved horizontally, also plastic injection hole is installed in the die-cut slider, the arrangement center in the die-cut slider An inner mold is fixedly installed at one end away from the inner mold, and a perfect circle can be formed by the four inner molds, and an inner plastic injection groove is formed on the outer periphery of the inner mold so as to surround the inner plastic. The injection groove and the outer plastic injection groove form a molded groove capable of producing a spring by injecting plastic, and the plastic melted by the plastic injection hole is poured between the inner plastic injection groove and the outer plastic injection groove. on the side adjacent to the located center within said plastic injection groove cooler is installed, the cooling device can be molded by cooling quickly the springs after the plastic injection, during the die-cut device A transmission device is installed in the center, the transmission device can provide power for the movement of the die-cut slider, a power device is installed under the transmission device, and the power device powers the operation of the transmission device. It can also be provided, and the two inner molds on the left and right can be moved closer to each other on the left and right die cutting sliders, and then the two inner molds on the front and rear can be moved closer to each other, and the springs after molding can be moved one after another. In the process of disengaging from the inner mold and disengaging, the rotating device can operate to rotate the inner mold, so that the spring can be quickly disengaged from the mold.

前記移動装置は左右対称になり、かつ前記形成空間と連通した回転親ねじを含み、前記回転親ねじの中には移動溝が回転可能に形成され、前記移動溝には移動ブロックがねじ山により連結され、前記外型が前記移動ブロックの下端に固定的に設置され、前記回転親ねじの間には移動モータが取り付けられ、前記回転親ねじにおいて前記移動モータに近接する一端が前記移動モータに伝動可能に連結され、前記移動モータが作動して前記外型を対向して移動するように駆動できる。 The moving device is symmetrical and includes a rotary master screw communicating with the forming space, a moving groove is rotatably formed in the rotary master screw, and a moving block is formed by a screw thread in the moving groove. Connected, the outer die is fixedly installed at the lower end of the moving block, a moving motor is attached between the rotary master screws, and one end of the rotary master screw close to the mobile motor is attached to the mobile motor. It is movably connected, and the moving motor can be operated to drive the outer mold to move in opposition to each other.

前記回転装置は回転空間を含み、前記回転空間の中には回転盤が回転軸により回転可能に設置され、前記回転軸の下端には回転モータが伝動可能に連結され、前記回転モータが前記回転空間の下端壁に固定的に設置され、前記操作ブロックが前記回転盤の下端面に固定的に設置され、前記回転盤の中には環状に配置された四つのスライドガイド溝が形成され、前記スライドガイド溝の中にはスライドガイドブロックがスライド可能に設置され、前記スライドガイドブロックの下端と前記内型とが固定的に連結され、前記回転モータは作動して前記内型を回転連動させることができる。 The rotating device includes a rotating space, in which a rotating disk is rotatably installed by a rotating shaft, a rotating motor is movably connected to the lower end of the rotating shaft, and the rotating motor rotates. The operation block is fixedly installed on the lower end wall of the space, the operation block is fixedly installed on the lower end surface of the turntable, and four slide guide grooves arranged in an annular shape are formed in the turntable. A slide guide block is slidably installed in the slide guide groove, the lower end of the slide guide block and the inner mold are fixedly connected, and the rotary motor operates to rotate and interlock the inner mold. Can be done.

前記型抜き装置は上下対称になり、かつ外に開口した型抜きスライド溝を含み、二つの前記型抜きスライド溝の間には同期溝が前記型抜きスライド溝と連通するように形成され、前記型抜きスライダが前記型抜きスライド溝の中にスライド可能に設置され、また上下の前記型抜きスライダが連結棒により固定的に連結され、前記連結棒が前記同期溝の中にスライド可能に設置され、下側の前記型抜きスライダの中にはねじ軸がねじ山により連結され、上側の前記プラスチック射出孔が上側の前記型抜きスライダの中に設置され、また前記プラスチック射出孔において前記外型に近接する一端と前記内プラスチック射出溝とが連通し、上側の四つの前記型抜きスライド溝の間には四つの十字形に交差して互いに連通した連通溝がそれぞれ四つの前記型抜きスライド溝と連通するように形成され、前記連通溝の中には四つのプラスチック射出パイプがスライド可能に設置され、前記プラスチック射出パイプにおいて前記型抜きスライド溝に近接する一端と前記型抜きスライダとが固定的に連結され、また前記プラスチック射出パイプにより前記連通溝と前記プラスチック射出孔とが連通し、前記連通溝の上側には原料輸送パイプが設置され、前記原料輸送パイプの上端と外部空間の原料システムとが連通し、前記原料輸送パイプの中には電磁弁が固定的に設置され、前記原料輸送パイプにより溶融したプラスチックを前記外プラスチック射出溝と前記内プラスチック射出溝の形成溝に流し込むことができ、ここでばねを作り出す。 The die-cutting device includes a die-cutting slide groove that is vertically symmetrical and is open to the outside, and a synchronous groove is formed between the two die-cutting slide grooves so as to communicate with the die-cutting slide groove. The die-cutting slider is slidably installed in the die-cutting slide groove, the upper and lower die-cutting sliders are fixedly connected by a connecting rod, and the connecting rod is slidably installed in the synchronous groove. A screw shaft is connected by a thread in the lower die-cutting slider, the upper plastic injection hole is installed in the upper die-cutting slider, and the outer die is formed in the plastic injection hole. The adjacent one end and the inner plastic injection groove communicate with each other, and between the four die-cut slide grooves on the upper side, four cross-shaped communicating grooves intersect with each other. It is formed so as to communicate with each other, and four plastic injection pipes are slidably installed in the communication groove, and one end of the plastic injection pipe close to the die-cut slide groove and the die-cut slider are fixedly fixed. The communication groove and the plastic injection hole are communicated with each other by the plastic injection pipe, and a raw material transportation pipe is installed above the communication groove, and the upper end of the raw material transportation pipe and the raw material system in the external space are connected. An electromagnetic valve is fixedly installed in the raw material transport pipe, and the plastic melted by the raw material transport pipe can be poured into the outer plastic injection groove and the inner plastic injection groove forming groove. Create a spring with.

前記冷却装置は前記内型に位置する円弧状の冷却空間を含み、四つの前記冷却空間により完全な環状構成を構成し、左側の前記冷却空間の内端壁の上側位置と右側の前記冷却空間の内端壁の下側位置にはそれぞれ冷却水管が取り付けられ、上下両側の前記冷却水管がそれぞれ外部空間の供水システムと連通し、上側の前記冷却水管の中には冷却ポンプが取り付けられ、前記冷却空間に冷却水を流し込むことにより形成したばねを冷却して成形させることができる。 The cooling device includes an arc-shaped cooling space located in the inner mold, and the four cooling spaces form a complete annular configuration, and the upper position of the inner end wall of the cooling space on the left side and the cooling space on the right side. Cooling water pipes are attached to the lower positions of the inner end walls of the above, the cooling water pipes on both the upper and lower sides communicate with the water supply system in the external space, and a cooling pump is installed in the upper cooling water pipes. The spring formed by pouring cooling water into the cooling space can be cooled and formed.

前記伝動装置は伝動空間を含み、前記伝動空間の中には主動傘歯車が伝動軸により回転可能に設置され、前記主動傘歯車の上側には左右対称になる従動傘歯車が噛み合い、左右両側に位置する前記ねじ軸においてそれぞれ前記伝動空間に近接する一端がそれぞれ左右対称になる前記従動傘歯車と固定的に連結され、前記伝動空間の前端壁には歯車回転軸が回転可能に設置され、前記歯車回転軸と前記伝動軸にはいずれも伝動プーリが固定的に設置され、前記伝動プーリが回転ベルトにより伝動可能に連結され、前記伝動空間の後側には噛合空間が設置され、前記噛合空間の中には第二傘歯車が回転可能に設置され、前後の前記ねじ軸が固定的に連結され、かつ前記噛合空間を貫通し、前記噛合空間の中に位置する後側の前記ねじ軸には第一傘歯車が固定的に設置され、前記第一傘歯車の下側と前記第二傘歯車とが噛み合い、前記第二傘歯車の左側には連結軸が回転可能に設置され、前記連結軸と前記第二傘歯車の下端面にはいずれもタイミングプーリが固定的に設置され、前記タイミングプーリがタイミングベルトにより伝動可能に連結され、前記主動傘歯車は回転して左右の前記ねじ軸を回転連動させることができ、前記第二傘歯車が回転する時、前後の前記ねじ軸が駆動されて回転でき、そして前記内型が水平に移動できる。 The transmission device includes a transmission space, in which a main drive umbrella gear is rotatably installed by a transmission shaft, and symmetrical driven umbrella gears mesh on the upper side of the main drive umbrella gear, and are engaged on both left and right sides. One end of the screw shaft located close to the transmission space is fixedly connected to the driven umbrella gear that is symmetrical to each other, and the gear rotation shaft is rotatably installed on the front end wall of the transmission space. A transmission pulley is fixedly installed on both the gear rotation shaft and the transmission shaft, the transmission pulley is movably connected by a rotating belt, and a meshing space is installed on the rear side of the transmission space. A second umbrella gear is rotatably installed inside, the front and rear screw shafts are fixedly connected, and the screw shafts on the rear side located in the meshing space penetrate the meshing space. The first umbrella gear is fixedly installed, the lower side of the first umbrella gear and the second umbrella gear mesh with each other, and the connecting shaft is rotatably installed on the left side of the second umbrella gear. Timing pulleys are fixedly installed on both the shaft and the lower end surface of the second umbrella gear, the timing pulleys are movably connected by a timing belt, and the main driving umbrella gear rotates to connect the left and right screw shafts. The rotation can be interlocked, and when the second captive gear rotates, the front and rear screw shafts can be driven and rotated, and the inner mold can move horizontally.

有益なように、前後両側の前記型抜きスライド溝の長さと幅が同じであり、左右両側の前記型抜きスライド溝の長さと幅も同じであり、また前後両側の前記型抜きスライド溝の長さと幅は左右両側の前記型抜きスライド溝の長さと幅より小さく、こうして前後両側の前記成形空間が対向に移動する距離は左右両側の前記成形空間が対向に移動する距離より小さく、前記内型の収縮移動の柔軟性を高める。 Beneficially, the length and width of the die-cut slide grooves on both front and rear sides are the same, the length and width of the die-cut slide grooves on both left and right sides are also the same, and the length of the die-cut slide grooves on both front and rear sides. The width is smaller than the length and width of the die-cut slide grooves on both the left and right sides, and thus the distance that the molding spaces on both the front and rear sides move oppositely is smaller than the distance that the molding spaces on both the left and right sides move oppositely. Increases the flexibility of contraction movement.

前記動力装置は旋転空間を含み、前記旋転空間の中には旋転盤がモータ軸により回転可能に設置され、前記モータ軸の下端には型抜きモータが伝動可能に連結され、前記旋転盤の中には二つの当接溝が形成され、前記旋転空間の外周には二つのスライド溝が前記旋転空間と連通するように形成され、前記スライド溝の中にはラックがスライド可能に設置され、前記ラックにおいて前記旋転空間に近接する一端が前記当接溝の中に伸びており、前記ラックの他端と前記スライド溝との間には伸縮ばねが固定的に設置され、前記ラックの片側には伝動溝が形成され、前記伝動溝の中には前記ラックと噛み合う噛合歯車が回転可能に設置され、前記ラックと前記噛合歯車が噛み合った端面は歯状の構成を有し、前記歯車回転軸の下端と前側の前記噛合歯車の中心とが固定的に連結され、前記連結軸の下端と後側の前記噛合歯車の中心とが固定的に連結され、前記旋転盤が回転する時、前側の前記ラックを移動連動させてから後側の前記ラックを回転連動させ、そして前側の前記噛合歯車が回転してから後側の前記噛合歯車が回転する。 The power device includes a rotating space, in which a rotating disk is rotatably installed by a motor shaft, and a die-cutting motor is movably connected to the lower end of the motor shaft, and the inside of the rotating disk. Two contact grooves are formed in the wheel, two slide grooves are formed on the outer periphery of the rotation space so as to communicate with the rotation space, and a rack is slidably installed in the slide grooves. In the rack, one end close to the rotating space extends into the contact groove, and a telescopic spring is fixedly installed between the other end of the rack and the slide groove, and on one side of the rack. A transmission groove is formed, and a meshing gear that meshes with the rack is rotatably installed in the transmission groove. The end face of the mesh meshing gear with the rack has a tooth-like structure, and the gear rotation shaft has a tooth-like structure. When the lower end and the center of the meshing gear on the front side are fixedly connected, the lower end of the connecting shaft and the center of the meshing gear on the rear side are fixedly connected, and the turning disk rotates, the front side said. The rack is moved and interlocked, then the rear rack is rotationally interlocked, and the front meshing gear is rotated, and then the rear meshing gear is rotated.

有益なように、後側の前記当接溝の開口は前側の前記当接溝の開口より大きく、前後の前記ラックの長さと形状は同じであり、後側の前記噛合歯車の直径は前側の前記噛合歯車のより大きく、こうして前記ラックが前記スライド溝の中で移動する時、後側の前記噛合歯車の回転角度又は回転数は前側の前記噛合歯車の回転角度又は回転数より小さく、さらに、前記旋転盤が回転する時、まず前側の前記ラックが移動し、前側の前記ラックが移動を止めた後、後側の前記ラックが移動し、前記噛合歯車の直径は異なるため、前後の前記内型の移動距離は左右両側の前記内型の移動距離より小さく、部品間の協働は柔軟になる。 Beneficially, the opening of the abutment groove on the rear side is larger than the opening of the abutment groove on the front side, the length and shape of the racks on the front and rear sides are the same, and the diameter of the meshing gear on the rear side is on the front side. Larger of the meshing gear, thus when the rack moves in the slide groove, the rotation angle or rotation speed of the meshing gear on the rear side is smaller than the rotation angle or rotation speed of the meshing gear on the front side, and further. When the turning machine rotates, the rack on the front side first moves, the rack on the front side stops moving, and then the rack on the rear side moves, and the diameters of the meshing gears are different. The moving distance of the mold is smaller than the moving distance of the inner mold on both the left and right sides, and the cooperation between the parts becomes flexible.

本願発明は分離可能なかつ左右対称になる外型と、四つの環状に配列された内型によりばねの射出成形空間を構成し、プラスチックを型に流し込む時、冷却装置によりばねを速く成形させ、型抜きの時、外型と内型がそれぞればねから離脱し、また操作ブロックがばねを駆動して回転させるときに、遠心力を生み出すため、ばね自身の型抜きを速め、ばねを損壊しなく、ばねの射出成形作業の効率を高める。 In the present invention, a separable and symmetrical outer mold and four ring-shaped inner molds form a spring injection molding space, and when plastic is poured into the mold, the spring is quickly molded by a cooling device, and the mold is formed. At the time of punching, the outer die and the inner die are separated from the spring, and when the operation block drives and rotates the spring, centrifugal force is generated, so the die cutting of the spring itself is accelerated and the spring is not damaged. Increase the efficiency of spring injection molding work.

下記に図1〜5をあわせて本発明について詳しく説明し、便利に説明するために、下記の方向を以下のように規定する:図1は本発明装置の正面図であり、本願に記載の各方向が、図1と同じ向きに装置を見た際の方向である。 In order to explain the present invention in detail with reference to FIGS. 1 to 5 below and to explain the present invention in a convenient manner, the following directions are defined as follows: FIG. 1 is a front view of the apparatus of the present invention and is described in the present application. Each direction is the direction when the device is viewed in the same direction as in FIG.

図1は本願発明の全体構成概略図FIG. 1 is a schematic diagram of the overall configuration of the present invention. 図2は図1の「A」部の拡大構成概略図FIG. 2 is an enlarged schematic diagram of the “A” part of FIG. 図3は図1の「B」部の拡大構成概略図FIG. 3 is an enlarged schematic diagram of the “B” portion of FIG. 図4は図3の「C―C」方向の構成概略図FIG. 4 is a schematic configuration diagram in the “CC” direction of FIG. 図5は図3の「D―D」方向の構成概略図FIG. 5 is a schematic configuration diagram in the “DD” direction of FIG.

本願発明はPPプラスチックばねの射出成形であり、主にプラスチックばねの成形作業に用いられ、下記に本願発明の附図に合わせて更なる説明を行う。 The present invention is injection molding of a PP plastic spring, and is mainly used for molding a plastic spring, and further description will be given below in accordance with the accompanying drawings of the present invention.

本願発明に記載のPPプラスチックばねの射出成形は、ベース10を含み、前記ベース10の上端面にはプラスチック射出フレーム12が左右対称になる支持柱11により固定的に取り付けられ、前記プラスチック射出フレーム12の中には成形空間13が設置され、前記成形空間13の中には移動装置86が設置され、前記移動装置86は左右対称になる外型18を含み、二つの前記外型18の内端壁により螺旋形の外プラスチック射出溝19が形成され、前記成形空間13の上端壁には回転装置90が設置され、前記回転装置90は回転可能な操作ブロック21を含み、前記操作ブロック21の中には、前記操作ブロック21の中心を配置中心として四つの型抜き装置89が環状に配列され、前記型抜き装置89は上下対称になる型抜きスライダ29を含み、前記型抜きスライダ29は水平に移動でき、また前記型抜きスライダ29の中にはプラスチック射出孔39が設置され、前記型抜きスライダ29において前記配置中心から離れた一端には内型31が固定的に設置され、四つの前記内型31により完全な円形を構成でき、また前記内型31の外周には内プラスチック射出溝32が囲むように形成され、前記内プラスチック射出溝32と前記外プラスチック射出溝19によりプラスチック射出を行ってばねを作り出せる成形溝が構成され、前記プラスチック射出孔39により溶融したプラスチックが前記内プラスチック射出溝32と前記外プラスチック射出溝19との間に流し込まれ、前記内プラスチック射出溝32において前記配置中心に近接する側には冷却装置85が設置され、前記冷却装置85はプラスチック射出を行った後のばねを速く冷却して成形させることができ、前記型抜き装置89の間には伝動装置88が設置され、前記伝動装置88が前記型抜きスライダ29の移動に動力を提供でき、前記伝動装置88の下側には動力装置87が設置され、前記動力装置87は前記伝動装置88の作動に動力を提供でき、また左右の前記型抜きスライダ29に左右二つの前記内型31を互いに近づくように移動させてから、前後二つの前記内型31を互いに近づくように移動させることができ、成形後のばねが次々と前記内型31から離脱し、離脱する過程に、前記回転装置90は作動して前記内型31を回転させることができるため、ばねが素早く型から離脱できる。 The injection molding of a PP plastic spring according to the present invention includes a base 10, and the plastic injection frame 12 is fixedly attached to the upper end surface of the base 10 by a support column 11 in which the plastic injection frame 12 is bilaterally symmetrical. A molding space 13 is installed in the molding space 13, and a moving device 86 is installed in the molding space 13. The moving device 86 includes an outer mold 18 that is symmetrical, and is an inner end of two outer molds 18. A spiral outer plastic injection groove 19 is formed by the wall, a rotating device 90 is installed on the upper end wall of the molding space 13, and the rotating device 90 includes a rotatable operation block 21 and is inside the operation block 21. In, four die-cutting devices 89 are arranged in an annular shape with the center of the operation block 21 as the arrangement center, the die-cutting device 89 includes a die-cutting slider 29 that is vertically symmetrical, and the die-cutting slider 29 is horizontally arranged. movement can also plastic injection hole 39 is installed in the inside of the die-cut slider 29, the die-cut inner mold 31 at one end remote from the placement center in the slider 29 is fixedly installed, in four of the A perfect circular shape can be formed by the mold 31, and an inner plastic injection groove 32 is formed around the outer periphery of the inner mold 31, and plastic injection is performed by the inner plastic injection groove 32 and the outer plastic injection groove 19. forming grooves able to produce spring is configured, the plastic melted by plastic injection hole 39 is poured between the outer plastic injection groove 19 and the inner plastic injection groove 32, the placement center within said plastic injection groove 32 A cooling device 85 is installed on the adjacent side, and the cooling device 85 can quickly cool and mold a spring after plastic injection, and a transmission device 88 is installed between the die cutting devices 89. The transmission device 88 can provide power for the movement of the die-cut slider 29, a power device 87 is installed under the transmission device 88, and the power device 87 powers the operation of the transmission device 88. It can be provided, and the two inner dies 31 on the left and right can be moved closer to each other on the left and right die cutting sliders 29, and then the two inner dies 31 on the front and rear can be moved closer to each other. In the process of the springs being released from the inner mold 31 one after another and being released, the rotating device 90 can operate to rotate the inner mold 31, so that the spring can be quickly released from the mold.

前記移動装置86は左右対称になり、かつ前記形成空間13と連通した回転親ねじ14を含み、前記回転親ねじ14の中には移動溝16が回転可能に形成され、前記移動溝16には移動ブロック15がねじ山により連結され、前記外型18が前記移動ブロック15の下端に固定的に設置され、前記回転親ねじ14の間には移動モータ17が取り付けられ、前記回転親ねじ14において前記移動モータ17に近接する一端が前記移動モータ17に伝動可能に連結され、前記移動モータ17が作動して前記外型18を対向して移動するように駆動できる。 The moving device 86 is symmetrical and includes a rotary master screw 14 that communicates with the forming space 13. A moving groove 16 is rotatably formed in the rotary master screw 14, and the moving groove 16 is formed. The moving block 15 is connected by a screw thread, the outer mold 18 is fixedly installed at the lower end of the moving block 15, and a moving motor 17 is attached between the rotary master screws 14, and the rotary master screw 14 is used. One end close to the mobile motor 17 is communicably connected to the mobile motor 17, and the mobile motor 17 can be operated to drive the outer mold 18 to move opposite to each other.

前記回転装置90は回転空間35を含み、前記回転空間35の中には回転盤38が回転軸37により回転可能に設置され、前記回転軸37の下端には回転モータ36が伝動可能に連結され、前記回転モータ36が前記回転空間35の下端壁に固定的に設置され、前記操作ブロック21が前記回転盤38の下端面に固定的に設置され、前記回転盤38の中には環状に配置された四つのスライドガイド溝80が形成され、前記スライドガイド溝80の中にはスライドガイドブロック40がスライド可能に設置され、前記スライドガイドブロック40の下端と前記内型31とが固定的に連結され、前記回転モータ36は作動して前記内型31を回転連動させることができる。 The rotating device 90 includes a rotating space 35, a rotating disk 38 is rotatably installed in the rotating space 35 by a rotating shaft 37, and a rotating motor 36 is rotatably connected to the lower end of the rotating shaft 37. The rotary motor 36 is fixedly installed on the lower end wall of the rotary space 35, the operation block 21 is fixedly installed on the lower end surface of the rotary disk 38, and is arranged in an annular shape in the rotary disk 38. The four slide guide grooves 80 are formed, and the slide guide block 40 is slidably installed in the slide guide groove 80, and the lower end of the slide guide block 40 and the inner mold 31 are fixedly connected to each other. Then, the rotary motor 36 can be operated to rotate the inner mold 31 in conjunction with the rotation.

前記型抜き装置89は上下対称になり、かつ外に開口した型抜きスライド溝25を含み、二つの前記型抜きスライド溝25の間には同期溝22が前記型抜きスライド溝25と連通するように形成され、前記型抜きスライダ29が前記型抜きスライド溝25の中にスライド可能に設置され、また上下の前記型抜きスライダ29が連結棒23により固定的に連結され、前記連結棒23が前記同期溝22の中にスライド可能に設置され、下側の前記型抜きスライダ29の中にはねじ軸27がねじ山により連結され、上側の前記プラスチック射出孔39が上側の前記型抜きスライダ29の中に設置され、また前記プラスチック射出孔39において前記外型18に近接する一端と前記内プラスチック射出溝32とが連通し、上側の四つの前記型抜きスライド溝25の間には四つの十字形に交差して互いに連通した連通溝24がそれぞれ四つの前記型抜きスライド溝25と連通するように形成され、前記連通溝24の中には四つのプラスチック射出パイプ26がスライド可能に設置され、前記プラスチック射出パイプ26において前記型抜きスライド溝25に近接する一端と前記型抜きスライダ29とが固定的に連結され、また前記プラスチック射出パイプ26により前記連通溝24と前記プラスチック射出孔39とが連通し、前記連通溝24の上側には原料輸送パイプ69が設置され、前記原料輸送パイプ69の上端と外部空間の原料システムとが連通し、前記原料輸送パイプ69の中には電磁弁68が固定的に設置され、前記原料輸送パイプ69により溶融したプラスチックを前記外プラスチック射出溝19と前記内プラスチック射出溝32の形成溝に流し込むことができ、ここでばねを作り出す。 The die-cutting device 89 includes a die-cutting slide groove 25 that is vertically symmetrical and is open to the outside so that a synchronous groove 22 communicates with the die-cutting slide groove 25 between the two die-cutting slide grooves 25. The die-cutting slider 29 is slidably installed in the die-cutting slide groove 25, and the upper and lower die-cutting sliders 29 are fixedly connected by a connecting rod 23, and the connecting rod 23 is fixedly connected to the connecting rod 23. Slidingly installed in the synchronous groove 22, a screw shaft 27 is connected by a thread in the lower die-cutting slider 29, and the upper plastic injection hole 39 is the upper die-cutting slider 29. One end of the plastic injection hole 39 close to the outer mold 18 and the inner plastic injection groove 32 communicate with each other, and four cross shapes are formed between the four upper die-cut slide grooves 25. The communication grooves 24 intersecting with each other and communicating with each other are formed so as to communicate with the four die-cut slide grooves 25, and four plastic injection pipes 26 are slidably installed in the communication grooves 24. In the plastic injection pipe 26, one end close to the die-cut slide groove 25 and the die-cut slider 29 are fixedly connected, and the communication groove 24 and the plastic injection hole 39 are communicated by the plastic injection pipe 26. A raw material transport pipe 69 is installed above the communication groove 24, the upper end of the raw material transport pipe 69 communicates with the raw material system in the external space, and an electromagnetic valve 68 is fixed in the raw material transport pipe 69. The plastic melted by the raw material transport pipe 69 can be poured into the forming grooves of the outer plastic injection groove 19 and the inner plastic injection groove 32, and a spring is created here.

前記冷却装置85は前記内型31に位置する円弧状の冷却空間33を含み、四つの前記冷却空間33により完全な環状構成を構成し、左側の前記冷却空間33の内端壁の上側位置と右側の前記冷却空間33の内端壁の下側位置にはそれぞれ冷却水管34が取り付けられ、上下両側の前記冷却水管34がそれぞれ外部空間の供水システムと連通し、上側の前記冷却水管34の中には冷却ポンプ65が取り付けられ、前記冷却空間33に冷却水を流し込むことにより形成したばねを冷却して成形させることができる。 The cooling device 85 includes an arc-shaped cooling space 33 located in the inner mold 31, and the four cooling spaces 33 form a complete annular structure, and the cooling device 85 is located on the upper side of the inner end wall of the cooling space 33 on the left side. Cooling water pipes 34 are attached to the lower positions of the inner end walls of the cooling space 33 on the right side, and the cooling water pipes 34 on both the upper and lower sides communicate with the water supply system in the external space, respectively, and inside the cooling water pipe 34 on the upper side. A cooling pump 65 is attached to the vehicle, and a spring formed by pouring cooling water into the cooling space 33 can be cooled and formed.

前記伝動装置88は伝動空間28を含み、前記伝動空間28の中には主動傘歯車52が伝動軸53により回転可能に設置され、前記主動傘歯車52の上側には左右対称になる従動傘歯車56が噛み合い、左右両側に位置する前記ねじ軸27においてそれぞれ前記伝動空間28に近接する一端がそれぞれ左右対称になる前記従動傘歯車56と固定的に連結され、前記伝動空間28の前端壁には歯車回転軸51が回転可能に設置され、前記歯車回転軸51と前記伝動軸53にはいずれも伝動プーリ54が固定的に設置され、前記伝動プーリ54が回転ベルト55により伝動可能に連結され、前記伝動空間28の後側には噛合空間57が設置され、前記噛合空間57の中には第二傘歯車58が回転可能に設置され、前後の前記ねじ軸27が固定的に連結され、かつ前記噛合空間57を貫通し、前記噛合空間57の中に位置する後側の前記ねじ軸27には第一傘歯車61が固定的に設置され、前記第一傘歯車61の下側と前記第二傘歯車58とが噛み合い、前記第二傘歯車58の左側には連結軸81が回転可能に設置され、前記連結軸81と前記第二傘歯車58の下端面にはいずれもタイミングプーリ59が固定的に設置され、前記タイミングプーリ59がタイミングベルト60により伝動可能に連結され、前記主動傘歯車52は回転して左右の前記ねじ軸27を回転連動させることができ、前記第二傘歯車58が回転する時、前後の前記ねじ軸27が駆動されて回転でき、そして前記内型31が水平に移動できる。 The transmission device 88 includes a transmission space 28, and a main drive umbrella gear 52 is rotatably installed in the transmission space 28 by a transmission shaft 53, and a driven umbrella gear that is symmetrical on the upper side of the main drive umbrella gear 52. 56 meshes with each other, and the screw shafts 27 located on both the left and right sides are fixedly connected to the driven umbrella gear 56 whose ends adjacent to the transmission space 28 are symmetrical to each other, and are fixedly connected to the front end wall of the transmission space 28. The gear rotation shaft 51 is rotatably installed, the transmission pulley 54 is fixedly installed on both the gear rotation shaft 51 and the transmission shaft 53, and the transmission pulley 54 is rotatably connected by the rotation belt 55. A meshing space 57 is installed on the rear side of the transmission space 28, a second umbrella gear 58 is rotatably installed in the meshing space 57, and the front and rear screw shafts 27 are fixedly connected to each other. A first umbrella gear 61 is fixedly installed on the screw shaft 27 on the rear side located in the meshing space 57 and penetrates the meshing space 57, and the lower side of the first umbrella gear 61 and the first umbrella gear 61 are fixedly installed. The two umbrella gears 58 mesh with each other, and a connecting shaft 81 is rotatably installed on the left side of the second umbrella gear 58, and a timing pulley 59 is provided on both the connecting shaft 81 and the lower end surface of the second umbrella gear 58. The timing pulley 59 is fixedly installed, the timing pulley 59 is movably connected by the timing belt 60, the main driving umbrella gear 52 can rotate, and the left and right screw shafts 27 can be rotationally interlocked, and the second umbrella gear 58. When the is rotated, the front and rear screw shafts 27 are driven to rotate, and the inner mold 31 can move horizontally.

有益なように、前後両側の前記型抜きスライド溝25の長さと幅が同じであり、左右両側の前記型抜きスライド溝25の長さと幅も同じであり、また前後両側の前記型抜きスライド溝25の長さと幅は左右両側の前記型抜きスライド溝25の長さと幅より小さく、こうして前後両側の前記成形空間13が対向に移動する距離は左右両側の前記成形空間13が対向に移動する距離より小さく、前記内型31の収縮移動の柔軟性を高める。 Beneficially, the length and width of the die-cut slide grooves 25 on both front and rear sides are the same, the length and width of the die-cut slide grooves 25 on both left and right sides are also the same, and the die-cut slide grooves 25 on both front and rear sides are also the same. The length and width of the 25 are smaller than the length and width of the die-cut slide grooves 25 on both the left and right sides, and thus the distance at which the molding spaces 13 on the front and rear sides move oppositely is the distance at which the molding spaces 13 on the left and right sides move oppositely. It is smaller and increases the flexibility of contraction movement of the inner mold 31.

前記動力装置87は旋転空間41を含み、前記旋転空間41の中には旋転盤44がモータ軸43により回転可能に設置され、前記モータ軸43の下端には型抜きモータ42が伝動可能に連結され、前記旋転盤44の中には二つの当接溝45が形成され、前記旋転空間41の外周には二つのスライド溝47が前記旋転空間41と連通するように形成され、前記スライド溝47の中にはラック46がスライド可能に設置され、前記ラック46において前記旋転空間41に近接する一端が前記当接溝45の中に伸びており、前記ラック46の他端と前記スライド溝47との間には伸縮ばね48が固定的に設置され、前記ラック46の片側には伝動溝49が形成され、前記伝動溝49の中には前記ラック46と噛み合う噛合歯車50が回転可能に設置され、前記ラック46と前記噛合歯車50が噛み合った端面は歯状の構成を有し、前記歯車回転軸51の下端と前側の前記噛合歯車50の中心とが固定的に連結され、前記連結軸81の下端と後側の前記噛合歯車50の中心とが固定的に連結され、前記旋転盤44が回転する時、前側の前記ラック46を移動連動させてから後側の前記ラック46を回転連動させ、そして前側の前記噛合歯車50が回転してから後側の前記噛合歯車50が回転する。 The power device 87 includes a rotating space 41, a rotating disk 44 is rotatably installed in the rotating space 41 by a motor shaft 43, and a die-cutting motor 42 is movably connected to the lower end of the motor shaft 43. Two contact grooves 45 are formed in the turning disk 44, and two slide grooves 47 are formed on the outer periphery of the turning space 41 so as to communicate with the turning space 41. A rack 46 is slidably installed in the rack 46, and one end of the rack 46 close to the rotation space 41 extends into the contact groove 45, and the other end of the rack 46 and the slide groove 47. A telescopic spring 48 is fixedly installed between the racks 46, a transmission groove 49 is formed on one side of the rack 46, and a meshing gear 50 that meshes with the rack 46 is rotatably installed in the transmission groove 49. The end face in which the rack 46 and the meshing gear 50 mesh with each other has a tooth-like structure, and the lower end of the gear rotating shaft 51 and the center of the meshing gear 50 on the front side are fixedly connected to each other so that the connecting shaft 81 is connected. When the lower end of the gear and the center of the meshing gear 50 on the rear side are fixedly connected and the turning disk 44 rotates, the rack 46 on the front side is moved and interlocked, and then the rack 46 on the rear side is rotationally interlocked. Then, after the meshing gear 50 on the front side rotates, the meshing gear 50 on the rear side rotates.

有益なように、後側の前記当接溝45の開口は前側の前記当接溝45の開口より大きく、前後の前記ラック46の長さと形状は同じであり、後側の前記噛合歯車50の直径は前側の前記噛合歯車50のより大きく、こうして前記ラック46が前記スライド溝47の中で移動する時、後側の前記噛合歯車50の回転角度又は回転数は前側の前記噛合歯車50の回転角度又は回転数より小さく、さらに、前記旋転盤44が回転する時、まず前側の前記ラック46が移動し、前側の前記ラック46が移動を止めた後、後側の前記ラック46が移動し、前記噛合歯車50の直径は異なるため、前後の前記内型31の移動距離は左右両側の前記内型31の移動距離より小さく、部品間の協働は柔軟になる。 Beneficially, the opening of the contact groove 45 on the rear side is larger than the opening of the contact groove 45 on the front side, the length and shape of the front and rear racks 46 are the same, and the meshing gear 50 on the rear side has the same length and shape. The diameter is larger than that of the front meshing gear 50, and thus when the rack 46 moves in the slide groove 47, the rotation angle or number of rotations of the rear meshing gear 50 is the rotation of the front meshing gear 50. It is smaller than the angle or the number of rotations, and when the turning disk 44 rotates, the rack 46 on the front side first moves, the rack 46 on the front side stops moving, and then the rack 46 on the rear side moves. Since the diameters of the meshing gears 50 are different, the moving distance of the inner mold 31 in the front and rear is smaller than the moving distance of the inner mold 31 on both the left and right sides, and the cooperation between the parts becomes flexible.

以下、附図1〜5を参照し、本願発明の使用手順を詳しく説明する。 Hereinafter, the procedure for using the present invention will be described in detail with reference to FIGS. 1 to 5.

初期に、左右の外型18が接ぎ合わされ、四つの内型31が接ぎ合わされ、外型18の内端壁が内型31の外周と当接し、外プラスチック射出溝19と内プラスチック射出溝32とが隙間なく接ぎ合わされている。 Initially, the left and right outer molds 18 are joined together, the four inner molds 31 are joined together, the inner end wall of the outer mold 18 abuts on the outer circumference of the inner mold 31, and the outer plastic injection groove 19 and the inner plastic injection groove 32 Are joined together without any gaps.

プラスチック射出の時、電磁弁68を開け、溶融したプラスチックは原料輸送パイプ69、連通溝24、プラスチック射出パイプ26及びプラスチック射出孔39を経由して内プラスチック射出溝32と外プラスチック射出溝19との間に流し込まれ、完成した後、電磁弁68を止め、この過程において、冷却ポンプ65が始動し、外部空間の冷却水を下側の冷却水管34を介して冷却空間33に吸い上げ、冷却水は下から上へと上側の冷却水管を入ったり出たりして循環使用され、冷却空間33は内プラスチック射出溝32と外プラスチック射出溝19の中のプラスチック原料を快速に冷却して成形させ、ばねを作り出し、型抜きの時、移動モータ17を始動し、移動モータ17が回転親ねじ14を回転連動させ、移動ブロック15が外型18を互いに離れた方向に移動連動させ、外プラスチック射出溝19と成形後のばねとを離脱させ、型抜きモータ42を始動し、型抜きモータ42が旋転盤44を回転連動させ、前側のラック46が前側のスライド溝47に移動し、こうして前側の噛合歯車50が回転し、回転ベルト55により主動傘歯車52が回転し、従動傘歯車56がねじ軸27を回転連動させ、左右両側の型抜きスライダ29が同期に配置中心に移動して左右両側の内型31を互いに近づくように移動連動させ、左右両側の内プラスチック射出溝32が成形後のばねから離脱し、その後、旋転盤44の回転により、前側のラック46がスライド溝47の中に収められて移動を停止し、この時、後側のラック46が押されて後ろに移動し、前後の伸縮ばね48が圧縮されて力を蓄えた状態にあり、そして後側の噛合歯車50が回転し、タイミングベルト60により第二傘歯車58が回転し、前後のねじ軸27が回転し、前後両側の型抜きスライダ29が互いに近づくように移動し、前後両側の内型31が互いに近づくように移動し、前後両側の内プラスチック射出溝32から成形したばねが離脱し、内型31が移動する過程に、回転モータ36が起動して回転盤38を回転させ、操作ブロック21が内型31を回転連動させ、ばねが遠心力を生み出して内型31から離脱することを速められ、回転モータ36が止まった時、内型31が回転を停止し、ばねは脱落して降下し、その後、移動モータ17が逆転して作動し、回転親ねじ14が逆転し、移動ブロック15が外型18を互いに近づくように移動連動させ、型抜きモータ42が逆転して作動して旋転盤44を逆転させ、伸縮ばね48が弾性復元力で噛合歯車50を旋転空間41の中に移動させ、そして噛合歯車50が逆転し、四つのねじ軸27が逆転し、型抜きスライダ29が配置中心から離れた方向に移動し、四つの内側31が接ぎ合わされて復帰し、次のばねのプラスチック射出成形作業の用意をする。 At the time of plastic injection, the electromagnetic valve 68 is opened, and the molten plastic is transferred to the inner plastic injection groove 32 and the outer plastic injection groove 19 via the raw material transport pipe 69, the communication groove 24, the plastic injection pipe 26 and the plastic injection hole 39. After being poured in between and completed, the electromagnetic valve 68 is stopped, and in this process, the cooling pump 65 is started, and the cooling water in the external space is sucked into the cooling space 33 through the lower cooling water pipe 34, and the cooling water is sucked into the cooling space 33. It is circulated by entering and exiting the upper cooling water pipe from bottom to top, and the cooling space 33 is formed by rapidly cooling the plastic raw material in the inner plastic injection groove 32 and the outer plastic injection groove 19 to form a spring. At the time of die cutting, the moving motor 17 is started, the moving motor 17 rotates and interlocks the rotary master screw 14, the moving block 15 moves and interlocks the outer mold 18 in a direction away from each other, and the outer plastic injection groove 19 And the spring after molding are separated, the die-cutting motor 42 is started, the die-cutting motor 42 rotates and interlocks the turning disk 44, the front rack 46 moves to the front slide groove 47, and thus the front meshing gear. 50 rotates, the main operating umbrella gear 52 rotates by the rotating belt 55, the driven umbrella gear 56 rotates and interlocks the screw shaft 27, and the die-cutting sliders 29 on both the left and right sides move synchronously to the center of arrangement, and inside the left and right sides. The molds 31 are moved and interlocked so as to approach each other, the inner plastic injection grooves 32 on both the left and right sides are separated from the spring after molding, and then the rack 46 on the front side is housed in the slide groove 47 by the rotation of the turning disk 44. At this time, the rear rack 46 is pushed to move backward, the front and rear telescopic springs 48 are compressed to store force, and the rear meshing gear 50 rotates. , The second umbrella gear 58 is rotated by the timing belt 60, the front and rear screw shafts 27 are rotated, the die cutting sliders 29 on both front and rear sides are moved so as to approach each other, and the inner molds 31 on both front and rear sides are moved so as to be close to each other. Then, the spring formed from the inner plastic injection grooves 32 on both the front and rear sides is separated, and in the process of moving the inner mold 31, the rotary motor 36 is activated to rotate the turntable 38, and the operation block 21 rotates the inner mold 31. By interlocking, the spring generates centrifugal force to accelerate the release from the inner mold 31, and when the rotary motor 36 stops, the inner mold 31 stops rotating, the spring falls off and descends, and then the moving motor. 17 operates in reverse, the rotary lead screw 14 reverses, and the moving block 15 moves and interlocks the outer molds 18 so as to approach each other. The die-cutting motor 42 reverses and operates to reverse the rotating disk 44, the telescopic spring 48 moves the meshing gear 50 into the rotating space 41 by elastic restoring force, and the meshing gear 50 reverses, four screws. The shaft 27 is reversed, the die-cutting slider 29 moves away from the placement center, and the four inner 31s are joined and restored to prepare for the next spring plastic injection molding operation.

上記の方式によって、当業者は本願発明の範囲内で作動モードに基づいて様々な変わりを行うことができる。 By the above method, those skilled in the art can make various changes based on the operation mode within the scope of the present invention.

Claims (9)

ベースを含み、前記ベースの上端面にはプラスチック射出フレームが左右対称になる支持柱により固定的に取り付けられ、
前記プラスチック射出フレームの中には成形空間が設置され、前記成形空間の中には移動装置が設置され、前記移動装置は左右対称になる外型を含み、二つの前記外型の内端壁により螺旋形の外プラスチック射出溝が形成され、前記成形空間の上端壁には回転装置が設置され、前記回転装置は回転可能な操作ブロックを含み、
前記操作ブロックの中には四つの型抜き装置が環状に配列され、前記型抜き装置は上下対称になる型抜きスライダを含み、前記型抜きスライダは水平に移動でき、また前記型抜きスライダの中にはプラスチック射出孔が設置され、前記型抜きスライダにおいて配置中心から離れた一端には内型が固定的に設置され、四つの前記内型により円形かつ平滑の正円弧を構成でき、また前記内型の外周には内プラスチック射出溝が囲むように形成され、前記内プラスチック射出溝と前記外プラスチック射出溝によりプラスチック射出を行ってばねを作り出せる成形溝が構成され、前記プラスチック射出孔により溶融したプラスチックが前記内プラスチック射出溝と前記外プラスチック射出溝との間に流し込まれ、前記内プラスチック射出溝において配置中心に近接する側には冷却装置が設置され、前記冷却装置はプラスチック射出を行った後のばねを速く冷却して成形させることができ、
前記型抜き装置の間には伝動装置が設置され、前記伝動装置が前記型抜きスライダの移動に動力を提供でき、前記伝動装置の下側には動力装置が設置され、前記動力装置は前記伝動装置の作動に動力を提供でき、また左右の前記型抜きスライダに左右二つの前記内型を互いに近づくように移動させてから、前後二つの前記内型を互いに近づくように移動させることができ、成形後のばねが次々と前記内型から離脱し、離脱する過程に、前記回転装置は作動して前記内型を回転させることができるため、ばねが素早く型から離脱できることを特徴とするPPプラスチックばねの射出成形。
A plastic injection frame is fixedly attached to the upper end surface of the base, including the base, by support columns that are symmetrical.
A molding space is installed in the plastic injection frame, a moving device is installed in the molding space, and the moving device includes a symmetrical outer mold, and is provided by two inner end walls of the outer mold. A spiral outer plastic injection groove is formed, a rotating device is installed on the upper end wall of the molding space, and the rotating device includes a rotatable operation block.
In the operation block, four die-cutting devices are arranged in a ring shape, the die-cutting device includes a die-cutting slider that is vertically symmetrical, the die-cutting slider can be moved horizontally, and the die-cutting slider is inside. A plastic injection hole is installed in the die-cutting slider, and an inner mold is fixedly installed at one end away from the placement center in the die-cutting slider, and the four inner molds can form a circular and smooth regular arc. An inner plastic injection groove is formed on the outer periphery of the mold so as to surround the inner plastic injection groove, and a molding groove is formed by the inner plastic injection groove and the outer plastic injection groove so that a spring can be created by injecting plastic. Is poured between the inner plastic injection groove and the outer plastic injection groove, and a cooling device is installed on the side of the inner plastic injection groove close to the placement center, and the cooling device is used after plastic injection. The spring can be cooled quickly and molded,
A transmission device is installed between the die cutting devices, the transmission device can provide power for the movement of the die cutting slider, a power device is installed under the transmission device, and the power device is the transmission. Power can be provided to operate the device, and the two left and right inner molds can be moved closer to each other by the left and right die cutting sliders, and then the two front and rear inner molds can be moved closer to each other. The PP plastic is characterized in that the spring can be quickly released from the mold because the rotating device can be operated to rotate the inner mold in the process in which the spring after molding is released from the inner mold one after another and is released from the inner mold. Injection molding of springs.
前記移動装置は左右対称になり、かつ前記形成空間と連通した回転親ねじを含み、
前記回転親ねじの中には移動溝が回転可能に形成され、前記移動溝には移動ブロックがねじ山により連結され、前記外型が前記移動ブロックの下端に固定的に設置され、前記回転親ねじの間には移動モータが取り付けられ、前記回転親ねじにおいて前記移動モータに近接する一端が前記移動モータに伝動可能に連結されていることを特徴とする請求項1に記載のPPプラスチックばねの射出成形。
The moving device is symmetrical and includes a rotary lead screw that communicates with the forming space.
A moving groove is rotatably formed in the rotating master screw, a moving block is connected to the moving groove by a screw thread, and the outer mold is fixedly installed at the lower end of the moving block. The PP plastic spring according to claim 1, wherein a moving motor is attached between the screws, and one end of the rotary master screw, which is close to the moving motor, is movably connected to the moving motor. injection molding.
前記回転装置は回転空間を含み、
前記回転空間の中には回転盤が回転軸により回転可能に設置され、前記回転軸の下端には回転モータが伝動可能に連結され、前記回転モータが前記回転空間の下端壁に固定的に設置され、前記操作ブロックが前記回転盤の下端面に固定的に設置され、前記回転盤の中には環状に配置された四つのスライドガイド溝が形成され、前記スライドガイド溝の中にはスライドガイドブロックがスライド可能に設置され、前記スライドガイドブロックの下端と前記内型とが固定的に連結されていることを特徴とする請求項1に記載のPPプラスチックばねの射出成形。
The rotating device includes a rotating space.
A rotary disk is rotatably installed in the rotary space by a rotary shaft, a rotary motor is movably connected to the lower end of the rotary shaft, and the rotary motor is fixedly installed on the lower end wall of the rotary space. The operation block is fixedly installed on the lower end surface of the turntable, four slide guide grooves arranged in an annular shape are formed in the turntable, and a slide guide is formed in the slide guide groove. The injection molding of a PP plastic spring according to claim 1, wherein the block is slidably installed, and the lower end of the slide guide block and the inner mold are fixedly connected to each other.
前記型抜き装置は上下対称になり、かつ外に開口した型抜きスライド溝を含み、
二つの前記型抜きスライド溝の間には同期溝が前記型抜きスライド溝と連通するように形成され、前記型抜きスライダが前記型抜きスライド溝の中にスライド可能に設置され、また上下の前記型抜きスライダが連結棒により固定的に連結され、前記連結棒が前記同期溝の中にスライド可能に設置され、下側の前記型抜きスライダの中にはねじ軸がねじ山により連結され、上側の前記プラスチック射出孔が上側の前記型抜きスライダの中に設置され、また前記プラスチック射出孔において前記外型に近接する一端と前記内プラスチック射出溝とが連通し、
上側の四つの前記型抜きスライド溝の間には四つの十字形に交差して互いに連通した連通溝がそれぞれ四つの前記型抜きスライド溝と連通するように形成され、前記連通溝の中には四つのプラスチック射出パイプがスライド可能に設置され、前記プラスチック射出パイプにおいて前記型抜きスライド溝に近接する一端と前記型抜きスライダとが固定的に連結され、また前記プラスチック射出パイプにより前記連通溝と前記プラスチック射出孔とが連通し、前記連通溝の上側には原料輸送パイプが設置され、前記原料輸送パイプの上端と外部空間の原料システムとが連通し、前記原料輸送パイプの中には電磁弁が固定的に設置されていることを特徴とする請求項1に記載のPPプラスチックばねの射出成形。
The die-cutting device is vertically symmetrical and includes a die-cutting slide groove that is open to the outside.
A synchronous groove is formed between the two die-cut slide grooves so as to communicate with the die-cut slide groove, and the die-cut slider is slidably installed in the die-cut slide groove. The die-cutting slider is fixedly connected by a connecting rod, the connecting rod is slidably installed in the synchronous groove, and a screw shaft is connected by a thread in the lower die-cutting slider, and the upper side is connected. The plastic injection hole is installed in the die-cutting slider on the upper side, and one end of the plastic injection hole close to the outer mold and the inner plastic injection groove communicate with each other.
Between the four die-cut slide grooves on the upper side, communication grooves that intersect each other in a cross shape and communicate with each other are formed so as to communicate with the four die-cut slide grooves, respectively. Four plastic injection pipes are slidably installed, and in the plastic injection pipe, one end close to the die-cut slide groove and the die-cut slider are fixedly connected, and the communication groove and the communication groove are fixedly connected by the plastic injection pipe. A raw material transport pipe is installed above the communication groove, the upper end of the raw material transport pipe communicates with the raw material system in the external space, and an electromagnetic valve is installed in the raw material transport pipe. The injection molding of a PP plastic spring according to claim 1, wherein the PP plastic spring is fixedly installed.
前記冷却装置は前記内型に位置する円弧状の冷却空間を含み、
四つの前記冷却空間により完全な環状構成を構成し、左側の前記冷却空間の内端壁の上側位置と右側の前記冷却空間の内端壁の下側位置にはそれぞれ冷却水管が取り付けられ、上下両側の前記冷却水管がそれぞれ外部空間の供水システムと連通し、上側の前記冷却水管の中には冷却ポンプが取り付けられていることを特徴とする請求項1に記載のPPプラスチックばねの射出成形。
The cooling device includes an arc-shaped cooling space located in the inner mold, and includes an arc-shaped cooling space.
The four cooling spaces form a complete annular structure, and cooling water pipes are attached to the upper position of the inner end wall of the cooling space on the left side and the lower position of the inner end wall of the cooling space on the right side, respectively. The injection molding of a PP plastic spring according to claim 1, wherein the cooling water pipes on both sides communicate with a water supply system in an external space, and a cooling pump is installed in the cooling water pipe on the upper side.
前記伝動装置は伝動空間を含み、
前記伝動空間の中には主動傘歯車が伝動軸により回転可能に設置され、前記主動傘歯車の上側には左右対称になる従動傘歯車が噛み合い、左右両側に位置する前記ねじ軸においてそれぞれ前記伝動空間に近接する一端がそれぞれ左右対称になる前記従動傘歯車と固定的に連結され、前記伝動空間の前端壁には歯車回転軸が回転可能に設置され、前記歯車回転軸と前記伝動軸にはいずれも伝動プーリが固定的に設置され、前記伝動プーリが回転ベルトにより伝動可能に連結され、
前記伝動空間の後側には噛合空間が設置され、前記噛合空間の中には第二傘歯車が回転可能に設置され、前後の前記ねじ軸が固定的に連結され、かつ前記噛合空間を貫通し、前記噛合空間の中に位置する後側の前記ねじ軸には第一傘歯車が固定的に設置され、前記第一傘歯車の下側と前記第二傘歯車とが噛み合い、前記第二傘歯車の左側には連結軸が回転可能に設置され、前記連結軸と前記第二傘歯車の下端面にはいずれもタイミングプーリが固定的に設置され、前記タイミングプーリがタイミングベルトにより伝動可能に連結されていることを特徴とする請求項1に記載のPPプラスチックばねの射出成形。
The transmission device includes a transmission space and includes a transmission space.
A drive cap gear is rotatably installed in the transmission space by a transmission shaft, and a driven cap gear that is symmetrical to the left and right meshes on the upper side of the drive cap gear, and the transmission is carried out on the screw shafts located on both the left and right sides, respectively. One end close to the space is fixedly connected to the driven bevel gear, which is symmetrical to each other, and a gear rotation shaft is rotatably installed on the front end wall of the transmission space, and the gear rotation shaft and the transmission shaft are rotatably installed. In each case, the transmission pulley is fixedly installed, and the transmission pulley is connected so as to be transmitted by a rotating belt.
A meshing space is installed on the rear side of the transmission space, a second bevel gear is rotatably installed in the meshing space, the front and rear screw shafts are fixedly connected, and the meshing space is penetrated. A first bevel gear is fixedly installed on the screw shaft on the rear side located in the meshing space, and the lower side of the first bevel gear and the second bevel gear are engaged with each other to be engaged with the second bevel gear. A connecting shaft is rotatably installed on the left side of the bevel gear, timing pulleys are fixedly installed on both the connecting shaft and the lower end surface of the second bevel gear, and the timing pulley can be transmitted by a timing belt. The injection molding of a PP plastic spring according to claim 1, wherein the PP plastic spring is connected.
前後両側の前記型抜きスライド溝の長さと幅が同じであり、左右両側の前記型抜きスライド溝の長さと幅も同じであり、また前後両側の前記型抜きスライド溝の長さと幅は左右両側の前記型抜きスライド溝の長さと幅より小さいことを特徴とする請求項6に記載のPPプラスチックばねの射出成形。 The length and width of the die-cut slide grooves on both front and rear sides are the same, the length and width of the die-cut slide grooves on both left and right sides are also the same, and the length and width of the die-cut slide grooves on both front and rear sides are the same on both left and right sides. The injection molding of a PP plastic spring according to claim 6, wherein the length and width of the die-cut slide groove are smaller than the length and width of the die-cut slide groove. 前記動力装置は旋転空間を含み、
前記旋転空間の中には旋転盤がモータ軸により回転可能に設置され、前記モータ軸の下端には型抜きモータが伝動可能に連結され、前記旋転盤の中には二つの当接溝が形成され、前記旋転空間の外周には二つのスライド溝が前記旋転空間と連通するように形成され、前記スライド溝の中にはラックがスライド可能に設置され、前記ラックにおいて前記旋転空間に近接する一端が前記当接溝の中に伸びており、前記ラックの他端と前記スライド溝との間には伸縮ばねが固定的に設置され、
前記ラックの片側には伝動溝が形成され、前記伝動溝の中には前記ラックと噛み合う噛合歯車が回転可能に設置され、前記ラックと前記噛合歯車が噛み合った端面は歯状の構成を有し、前記歯車回転軸の下端と前側の前記噛合歯車の中心とが固定的に連結され、前記連結軸の下端と後側の前記噛合歯車の中心とが固定的に連結されていることを特徴とする請求項1に記載のPPプラスチックばねの射出成形。
The power unit includes a rotating space and includes a rotating space.
A rotating disk is rotatably installed in the rotating space by a motor shaft, a die-cutting motor is movably connected to the lower end of the motor shaft, and two contact grooves are formed in the rotating disk. Two slide grooves are formed on the outer periphery of the rotation space so as to communicate with the rotation space, and a rack is slidably installed in the slide grooves, and one end of the rack close to the rotation space. Extends into the contact groove, and a telescopic spring is fixedly installed between the other end of the rack and the slide groove.
A transmission groove is formed on one side of the rack, a meshing gear that meshes with the rack is rotatably installed in the transmission groove, and an end face in which the rack and the meshing gear mesh with each other has a tooth-like structure. The lower end of the gear rotation shaft and the center of the meshing gear on the front side are fixedly connected, and the lower end of the connecting shaft and the center of the meshing gear on the rear side are fixedly connected. The injection molding of the PP plastic spring according to claim 1.
後側の前記当接溝の開口は前側の前記当接溝の開口より大きく、前後の前記ラックの長さと形状は同じであり、後側の前記噛合歯車の直径は前側の前記噛合歯車のより大きく、こうして前記ラックが前記スライド溝の中で移動する時、後側の前記噛合歯車の回転角度又は回転数は前側の前記噛合歯車の回転角度又は回転数より小さいことを特徴とする請求項8に記載のPPプラスチックばねの射出成形。 The opening of the contact groove on the rear side is larger than the opening of the contact groove on the front side, the length and shape of the racks on the front and rear sides are the same, and the diameter of the meshing gear on the rear side is larger than that of the meshing gear on the front side. 8 is characterized in that, when the rack thus moves in the slide groove, the rotation angle or rotation speed of the meshing gear on the rear side is smaller than the rotation angle or rotation speed of the meshing gear on the front side. Injection molding of PP plastic springs as described in.
JP2020074987A 2019-12-03 2020-04-20 Injection molding of pp plastic spring Pending JP2021088167A (en)

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