JP6995266B2 - Machine tool nut extrusion mechanism - Google Patents

Machine tool nut extrusion mechanism Download PDF

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JP6995266B2
JP6995266B2 JP2020158079A JP2020158079A JP6995266B2 JP 6995266 B2 JP6995266 B2 JP 6995266B2 JP 2020158079 A JP2020158079 A JP 2020158079A JP 2020158079 A JP2020158079 A JP 2020158079A JP 6995266 B2 JP6995266 B2 JP 6995266B2
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push block
wall
air supply
nut
supply pipe
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JP2021137951A (en
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高▲いつ▼
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温▲れい▼市志創网絡科技有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001—Article feeders for assembling machines
    • B23P19/003—Escapement mechanisms used therewith
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06—Screw or nut setting or loosening machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/10—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines
    • B23Q7/106—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines with means to deliver a certain quantity

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Workpieces (AREA)
  • Actuator (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Description

本発明は機械技術分野に属し、具体的には工作機械用ナット押出機構に関する。 The present invention belongs to the field of machine technology, and specifically relates to a nut extrusion mechanism for machine tools.

従来のねじ立て盤は一般的に送り装置、クランプ装置、及びねじ立て装置から構成される。例えば、ＣＮ２０１４２０５５３０５６．５には、ナットねじ立て盤の送り装置に関するものが開示されている。前記ナットねじ立て盤の送り装置は、ベースを含み、前記ベースには振動盤と、振動盤と連結されたガイドレールとが設けられ、前記ベースには中空の押し箱が設けられ、前記押し箱は前記ベースに鉛直に設けられた供給部と、前記ベースに水平に設置された押し部とを含み、前記供給部は方形の供給穴を含み、前記供給穴は前記ガイドレールと連結され且つ前記供給穴の穴径はナットの厚さと合わせられ、前記押し部の内部には押し棒が設けられ、前記押し棒の外端は前記押し部から伸びだし且つシリンダーと連結され、前記シリンダーの作用により前記押し棒の内面は前記ナットと当接でき、前記押し棒と前記押し部との間には規制機構が設けられ、前記規制機構は、前記押し棒が前記ナットを押し動かすときに、位置規制を行い、前記押し箱の内壁は内側へ傾斜して第一円錐形案内面を形成し、前記第一円錐形案内面は止め部と前記供給部との間に位置し、前記押し棒の外壁には前記第一円錐形案内面と組み合わせる第二円錐形案内面が設けられ、前記第一円錐形案内面は前記第二円錐形案内面と密着している。 Conventional threading machines generally consist of a feeder, a clamping device, and a threading device. For example, CN20142055305.6. Discloses a feeding device for a nut screw head. The feeding device of the nut screw stand includes a base, the base is provided with a vibrating disc and a guide rail connected to the vibrating disc, and the base is provided with a hollow push box. Includes a supply section vertically provided on the base and a push section horizontally installed on the base, the supply section includes a rectangular supply hole, the supply hole being connected to the guide rail and said. The hole diameter of the supply hole is matched with the thickness of the nut, a push rod is provided inside the push portion, and the outer end of the push rod extends from the push portion and is connected to the cylinder by the action of the cylinder. The inner surface of the push rod can come into contact with the nut, and a regulation mechanism is provided between the push rod and the push portion, and the regulation mechanism regulates the position when the push rod pushes the nut. The inner wall of the push box is inclined inward to form a first conical guide surface, and the first conical guide surface is located between the stop portion and the supply portion, and the outer wall of the push rod is formed. Is provided with a second conical guide surface to be combined with the first conical guide surface, and the first conical guide surface is in close contact with the second conical guide surface.

しかし、前記ナットねじ立て盤の送り装置は、シリンダーがナットを押し出すときに、ナットが移動中に揺れて位置ずれすることが発生しやすく、押出位置の安定性と精度に響く。 However, in the feeding device of the nut screw stand, when the cylinder pushes out the nut, the nut tends to shake during movement and shift its position, which affects the stability and accuracy of the extrusion position.

中国実用新案公開第２０４２９５０７９号明細書China Utility Model Publication No. 204295079

作業の安定性を上げることのできる工作機械用ナット押出機構を提供することを目的とする。 It is an object of the present invention to provide a nut extrusion mechanism for a machine tool that can improve the stability of work.

本発明に関わる工作機械用ナット押出機構は、ベースと、前記ベースに設けられた貯蔵部品と、前記ベースに設けられた液圧シリンダーと、を含み、前記貯蔵部品の内部には、投入通路と排出通路とが前記貯蔵部品を貫通するように設けられ、前記投入通路と前記排出通路は棒状であり、前記投入通路は鉛直に設けられ、前記排出通路は水平に設けられ、前記投入通路の下端は前記排出通路と連通しており、前記排出通路の内部には押しブロックがスライドできるように設けられ、前記押しブロックは前記液圧シリンダーと前記投入通路との間に位置し、且つ前記液圧シリンダーのピストンロッドは前記押しブロックの左端と連結され、前記押しブロックは中空であり、前記押しブロックは、左端が開口しており、右端が閉鎖しており、前記押しブロックの内部には前記押しブロックの内部空間を左空間と右空間に仕切る仕切り板が設けられ、前記仕切り板と前記押しブロックは一体であり、前記仕切り板には前記仕切り板を貫通した空気導入穴が水平方向に沿って設けられ、前記左空間と前記右空間は前記空気導入穴によって連通され、前記左空間の内部には吸気ポンプが固定され、前記吸気ポンプは給気管を含み、前記給気管は前記空気導入穴に挿入され、前記給気管の外壁が前記空気導入穴の穴壁と密封され、前記押しブロックの右面には位置決め溝が形成され、前記位置決め溝は形状とサイズがいずれもナットに合わせられ、前記位置決め溝の底壁には前記右空間と連通した吸気穴が設けられ、前記押しブロックの側壁には前記右空間と連通した給気穴が設けられ、前記給気穴は前記押しブロックの側壁を貫通しており、前記押しブロックには電磁弁が固定され、前記電磁弁は、前記給気穴と外部との連通状態を制御することができる。 The nut extrusion mechanism for a machine tool according to the present invention includes a base, a storage component provided on the base, and a hydraulic cylinder provided on the base, and the inside of the storage component includes an input passage. The discharge passage is provided so as to penetrate the storage component, the input passage and the discharge passage are rod-shaped, the input passage is provided vertically, the discharge passage is provided horizontally, and the lower end of the input passage is provided. Is communicated with the discharge passage, and a push block is provided inside the discharge passage so that the push block can slide, and the push block is located between the hydraulic cylinder and the input passage, and the hydraulic pressure is provided. The piston rod of the cylinder is connected to the left end of the push block, the push block is hollow, the push block has the left end open and the right end closed, and the push block is inside the push block. A partition plate for partitioning the internal space of the block into a left space and a right space is provided, the partition plate and the push block are integrated, and the partition plate has an air introduction hole penetrating the partition plate along the horizontal direction. The left space and the right space are communicated with each other by the air introduction hole, an intake pump is fixed inside the left space, the intake pump includes an air supply pipe, and the air supply pipe is provided in the air introduction hole. Inserted, the outer wall of the air supply pipe is sealed with the hole wall of the air introduction hole, a positioning groove is formed on the right side of the push block, and the positioning groove is matched in shape and size to the nut, and the positioning is performed. The bottom wall of the groove is provided with an intake hole communicating with the right space, the side wall of the push block is provided with an air supply hole communicating with the right space, and the air supply hole penetrates the side wall of the push block. An electromagnetic valve is fixed to the push block, and the electromagnetic valve can control the communication state between the air supply hole and the outside.

作動原理：ナットが投入通路から順に入って積み重なり、電磁弁は閉じており、液圧シリンダーは押しブロックを右へ押し動かすことでナットの一部を位置決め溝に入れ、吸気ポンプは作動して給気管によって右空間内部の気体を吸い取って右空間の内部を負圧にし、これでナットは吸着されて緊密に押しブロックにつれて移動することで、ナットが安定に押し出され、ナットが指定位置に押し動かされたら、吸気ポンプは作動を停止し、電磁弁は開いて右空間を外部と連通させることによって負圧をなくし、これで押しブロックはナットから離れ、液圧シリンダーは押しブロックを復位させる。 Principle of operation: Nuts are stacked in order from the input passage, the electromagnetic valve is closed, the hydraulic cylinder pushes the push block to the right to put a part of the nut into the positioning groove, and the intake pump operates and supplies. The gas inside the right space is sucked up by the trachea to make the inside of the right space negative pressure, which causes the nut to be sucked and move tightly along the push block, so that the nut is stably pushed out and the nut is pushed to the specified position. When this is done, the intake pump will stop operating and the electromagnetic valve will open to communicate the right space with the outside to eliminate the negative pressure, which will separate the push block from the nut and the hydraulic cylinder will reposition the push block.

前記給気管の外壁には環状溝が形成され、前記環状溝は前記給気管と同軸に設けられ、前記環状溝の内部にはシールリングが設けられ、前記シールリングの外壁は前記空気導入穴の穴壁と当接しているため、前記給気管と前記仕切り板との間の密封効果を有効に上げる。 An annular groove is formed on the outer wall of the air supply pipe, the annular groove is provided coaxially with the air supply pipe, a seal ring is provided inside the annular groove, and the outer wall of the seal ring is the air introduction hole. Since it is in contact with the hole wall, the sealing effect between the air supply pipe and the partition plate is effectively increased.

前記押しブロックにおける右端の外側壁には円環状の案内部が一体成型され、前記案内部は前記押しブロックと同軸に設けられ、前記投入通路の横断面は円形であり、前記案内部の外壁は前記投入通路の内壁と当接しており、前記電磁弁は前記案内部の左側に位置するため、前記押しブロックの摺動安定性が効果的に上がる。 An annular guide portion is integrally molded on the outer wall at the right end of the push block, the guide portion is provided coaxially with the push block, the cross section of the input passage is circular, and the outer wall of the guide portion is Since the solenoid valve is in contact with the inner wall of the input passage and is located on the left side of the guide portion, the sliding stability of the push block is effectively improved.

前記案内部の外壁には環状の潤滑油貯蔵溝が形成され、前記潤滑油貯蔵溝は前記案内部と同軸に設けられ、前記潤滑油貯蔵溝の内部には潤滑油が充填される。 An annular lubricating oil storage groove is formed on the outer wall of the guide portion, the lubricating oil storage groove is provided coaxially with the guide portion, and the inside of the lubricating oil storage groove is filled with lubricating oil.

前記押しブロックの左端には支持ブロックが設けられ、前記支持ブロックは、前記押しブロックの円周方向にそって等間隔に配列された複数本のコンロッドによって前記押しブロックと固定して連結され、前記支持ブロックと前記コンロッドは一体であり、前記液圧シリンダーのピストンロッドは前記支持ブロックと固定して連結される。 A support block is provided at the left end of the push block, and the support block is fixedly connected to the push block by a plurality of connecting rods arranged at equal intervals along the circumferential direction of the push block. The support block and the connecting rod are integrated, and the piston rod of the hydraulic cylinder is fixedly connected to the support block.

従来技術に比べ、本発明は使用時に、吸気ポンプが作動し、給気管によって右空間内の気体を吸い取って、右空間内に負圧を形成することで、ナットを吸着し、ナットを緊密に押しブロックにつれて移動させてナットを安定に押し出し、ナットを押し出す安定性と精度を効果的に上げることができる。 Compared to the prior art, in the present invention, when in use, the intake pump operates, the gas in the right space is sucked by the air supply pipe, and a negative pressure is formed in the right space, thereby adsorbing the nut and tightening the nut. It can be moved along with the push block to stably push out the nut, effectively improving the stability and accuracy of pushing out the nut.

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。
本発明に関わる工作機械用ナット押出機構の構成略図 図１におけるＡの構成拡大略図 Each direction described in the present application is a direction when the device is viewed in the same direction as in FIG.
Schematic diagram of the nut extrusion mechanism for machine tools according to the present invention Schematic diagram of the configuration of A in FIG.

図１に示すように、本発明に関わる工作機械用ナット押出機構は、ベース１と、前記ベース１に設けられた貯蔵部品２と、前記ベース１に設けられた液圧シリンダー３と、を含み、前記貯蔵部品２の内部には、投入通路２ａと排出通路２ｂとが前記貯蔵部品２を貫通するように設けられ、前記投入通路２ａと前記排出通路２ｂは棒状であり、前記投入通路２ａは鉛直に設けられ、前記排出通路２ｂは水平に設けられ、前記投入通路２ａの下端は前記排出通路２ｂと連通しており、前記排出通路２ｂの内部には押しブロック４がスライドできるように設けられ、前記押しブロック４は前記液圧シリンダー３と前記投入通路２ａとの間に位置し、且つ前記液圧シリンダー３のピストンロッドは前記押しブロック４の左端と連結される。 As shown in FIG. 1, the work machine nut extrusion mechanism according to the present invention includes a base 1, a storage component 2 provided on the base 1, and a hydraulic cylinder 3 provided on the base 1. Inside the storage component 2, an input passage 2a and a discharge passage 2b are provided so as to penetrate the storage component 2. The input passage 2a and the discharge passage 2b are rod-shaped, and the input passage 2a is It is provided vertically, the discharge passage 2b is provided horizontally, the lower end of the input passage 2a communicates with the discharge passage 2b, and the push block 4 is provided inside the discharge passage 2b so that the push block 4 can slide. The push block 4 is located between the hydraulic cylinder 3 and the charging passage 2a, and the piston rod of the hydraulic cylinder 3 is connected to the left end of the push block 4.

具体的に、図１と図２に示すように、前記押しブロック４は中空であり、前記押しブロック４は、左端が開口しており、右端が閉鎖しており、前記押しブロック４の内部には前記押しブロック４の内部空間を左空間４ａと右空間４ｂに仕切る仕切り板４ｃが設けられ、前記仕切り板４ｃと前記押しブロック４は一体であり、前記仕切り板４ｃには前記仕切り板４ｃを貫通した空気導入穴が水平方向に沿って設けられ、前記左空間４ａと前記右空間４ｂは前記空気導入穴によって連通され、前記左空間４ａの内部には吸気ポンプ５が固定され、前記吸気ポンプ５は給気管５ａを含み、前記給気管５ａは前記空気導入穴に挿入され、前記給気管５ａの外壁が前記空気導入穴の穴壁と密封され、前記給気管５ａの外壁には環状溝が形成され、前記環状溝は前記給気管５ａと同軸に設けられ、前記環状溝の内部にはシールリング６が設けられ、前記シールリング６の外壁は前記空気導入穴の穴壁と当接しているため、前記給気管５ａと前記仕切り板４ｃとの間の密封効果を有効に上げる。 Specifically, as shown in FIGS. 1 and 2, the push block 4 is hollow, the push block 4 has an open left end and a closed right end, and is inside the push block 4. Is provided with a partition plate 4c for partitioning the internal space of the push block 4 into a left space 4a and a right space 4b, the partition plate 4c and the push block 4 are integrated, and the partition plate 4c is provided with the partition plate 4c. An air introduction hole that penetrates is provided along the horizontal direction, the left space 4a and the right space 4b are communicated by the air introduction hole, and an intake pump 5 is fixed inside the left space 4a. Reference numeral 5 includes an air supply pipe 5a, the air supply pipe 5a is inserted into the air introduction hole, the outer wall of the air supply pipe 5a is sealed with the hole wall of the air introduction hole, and the outer wall of the air supply pipe 5a has an annular groove. The annular groove is formed, the annular groove is provided coaxially with the air supply pipe 5a, a seal ring 6 is provided inside the annular groove, and the outer wall of the seal ring 6 is in contact with the hole wall of the air introduction hole. Therefore, the sealing effect between the air supply pipe 5a and the partition plate 4c is effectively increased.

前記押しブロック４と前記液圧シリンダー３との連結方式：前記押しブロック４の左端には支持ブロック７が設けられ、前記支持ブロック７は、前記押しブロック４の円周方向にそって等間隔に配列された複数本のコンロッド７ａによって前記押しブロック４と固定して連結され、前記支持ブロック７と前記コンロッド７ａは一体であり、前記液圧シリンダー３のピストンロッドは前記支持ブロック７と固定して連結される。前記コンロッド７ａは溶接で前記押しブロック４と固定して連結されることが好ましい。 Connection method between the push block 4 and the hydraulic cylinder 3: A support block 7 is provided at the left end of the push block 4, and the support blocks 7 are evenly spaced along the circumferential direction of the push block 4. The push block 4 is fixedly connected to the push block 4 by a plurality of arranged connecting rods 7a, the support block 7 and the connecting rod 7a are integrated, and the piston rod of the hydraulic cylinder 3 is fixed to the support block 7. Be concatenated. It is preferable that the connecting rod 7a is fixedly connected to the push block 4 by welding.

図１に示すように、前記押しブロック４の右面には位置決め溝４ｄが形成され、前記位置決め溝４ｄは形状とサイズがいずれもナット９に合わせられ、前記位置決め溝４ｄの底壁には前記右空間４ｂと連通した吸気穴４ｅが設けられ、前記押しブロック４の側壁には前記右空間４ｂと連通した給気穴４ｆが設けられ、前記給気穴４ｆは前記押しブロック４の側壁を貫通しており、前記押しブロック４には電磁弁８が固定され、前記電磁弁８は、前記給気穴４ｆと外部との連通状態を制御することができる。 As shown in FIG. 1, a positioning groove 4d is formed on the right surface of the push block 4, the shape and size of the positioning groove 4d are both matched to the nut 9, and the right side is formed on the bottom wall of the positioning groove 4d. An intake hole 4e communicating with the space 4b is provided, an air supply hole 4f communicating with the right space 4b is provided on the side wall of the push block 4, and the air supply hole 4f penetrates the side wall of the push block 4. A solenoid valve 8 is fixed to the push block 4, and the solenoid valve 8 can control the communication state between the air supply hole 4f and the outside.

前記押しブロック４における右端の外側壁には円環状の案内部４ｇが一体成型され、前記案内部４ｇは前記押しブロック４と同軸に設けられ、前記投入通路２ａの横断面は円形であり、前記案内部４ｇの外壁は前記投入通路２ａの内壁と当接しており、前記電磁弁８は前記案内部４ｇの左側に位置するため、前記押しブロックの摺動安定性が効果的に上がり、さらに、前記案内部４ｇの外壁には環状の潤滑油貯蔵溝４ｇ１が形成され、前記潤滑油貯蔵溝４ｇ１は前記案内部４ｇと同軸に設けられ、前記潤滑油貯蔵溝４ｇ１の内部には潤滑油が充填され、前記潤滑油によって前記案内部４ｇと前記投入通路２ａとの接触部位を潤滑する。 An annular guide portion 4g is integrally molded on the outer wall at the right end of the push block 4, the guide portion 4g is provided coaxially with the push block 4, and the cross section of the input passage 2a is circular. Since the outer wall of the guide portion 4g is in contact with the inner wall of the input passage 2a and the electromagnetic valve 8 is located on the left side of the guide portion 4g, the sliding stability of the push block is effectively improved, and further, the sliding stability of the push block is effectively improved. An annular lubricating oil storage groove 4g1 is formed on the outer wall of the guide portion 4g, the lubricating oil storage groove 4g1 is provided coaxially with the guide portion 4g, and the inside of the lubricating oil storage groove 4g1 is filled with lubricating oil. Then, the contact portion between the guide portion 4g and the input passage 2a is lubricated with the lubricating oil.

作動原理：ナット９が投入通路２ａから順に入って積み重なり、電磁弁８は閉じており、液圧シリンダー３は押しブロック４を右へ押し動かすことでナット９の一部を位置決め溝４ｄに入れ、吸気ポンプ５は作動して給気管５ａによって右空間４ｂ内部の気体を吸い取って右空間４ｂの内部を負圧にし、これでナット９は吸着されて緊密に押しブロック４につれて移動することで、ナット９が安定に押し出され、ナット９が指定位置に押し動かされたら、吸気ポンプ５は作動を停止し、電磁弁８は開いて右空間４ｂを外部と連通させることによって負圧をなくし、これで押しブロック４はナット９から離れ、液圧シリンダー３は押しブロック４を復位させる。 Operating principle: The nuts 9 are stacked in order from the input passage 2a, the electromagnetic valve 8 is closed, and the hydraulic cylinder 3 pushes the push block 4 to the right to insert a part of the nut 9 into the positioning groove 4d. The intake pump 5 operates and sucks the gas inside the right space 4b by the air supply pipe 5a to make the inside of the right space 4b a negative pressure, so that the nut 9 is attracted and tightly pushed and moves with the block 4 to move the nut. When 9 is pushed out stably and the nut 9 is pushed to the designated position, the intake pump 5 stops operating, the electromagnetic valve 8 opens and the right space 4b communicates with the outside to eliminate the negative pressure. The push block 4 is separated from the nut 9, and the hydraulic cylinder 3 repositions the push block 4.

当業者は、本発明の範囲内で作業方式に応じて様々な変更を行える。 Those skilled in the art can make various changes according to the working method within the scope of the present invention.

１ ベース
２ 貯蔵部品
２ａ 投入通路
２ｂ 排出通路
３ 液圧シリンダー
４ 押しブロック
４ａ 左空間
４ｂ 右空間
４ｃ 仕切り板
４ｄ 位置決め溝
４ｅ 吸気穴
４ｆ 給気穴
４ｇ 案内部
４ｇ１ 潤滑油貯蔵溝
５ 吸気ポンプ
５ａ 給気管
６ シールリング
７ 支持ブロック
７ａ コンロッド
８ 電磁弁
９ ナット 1 Base 2 Storage parts 2a Input passage 2b Discharge passage 3 Hydraulic cylinder 4 Push block 4a Left space 4b Right space 4c Partition plate 4d Positioning groove 4e Intake hole 4f Air supply hole 4g Guide part 4g 1 Lubricating oil storage groove 5 Intake pump 5a Supply Trachea 6 Seal ring 7 Support block 7a Connecting rod 8 Electromagnetic valve 9 Nut

Claims (5)

ベースと、前記ベースに設けられた貯蔵部品と、前記ベースに設けられた液圧シリンダーと、を含み、
前記貯蔵部品の内部には、投入通路と排出通路とが前記貯蔵部品を貫通するように設けられ、
前記投入通路と前記排出通路は棒状であり、
前記投入通路は鉛直に設けられ、
前記排出通路は水平に設けられ、
前記投入通路の下端は前記排出通路と連通しており、
前記排出通路の内部には押しブロックがスライドできるように設けられ、
前記押しブロックは前記液圧シリンダーと前記投入通路との間に位置し、且つ前記液圧シリンダーのピストンロッドは前記押しブロックの左端と連結され、
前記押しブロックは中空であり、
前記押しブロックは、左端が開口しており、右端が閉鎖しており、
前記押しブロックの内部には前記押しブロックの内部空間を左空間と右空間に仕切る仕切り板が設けられ、
前記仕切り板と前記押しブロックは一体であり、
前記仕切り板には前記仕切り板を貫通した空気導入穴が水平方向に沿って設けられ、
前記左空間と前記右空間は前記空気導入穴によって連通され、
前記左空間の内部には吸気ポンプが固定され、
前記吸気ポンプは給気管を含み、
前記給気管は前記空気導入穴に挿入され、
前記給気管の外壁が前記空気導入穴の穴壁と密封され、
前記押しブロックの右面には位置決め溝が形成され、
前記位置決め溝は形状とサイズがいずれもナットに合わせられ、
前記位置決め溝の底壁には前記右空間と連通した吸気穴が設けられ、
前記押しブロックの側壁には前記右空間と連通した給気穴が設けられ、
前記給気穴は前記押しブロックの側壁を貫通しており、
前記押しブロックには電磁弁が固定され、
前記電磁弁は、前記給気穴と外部との連通状態を制御することができる、
ことを特徴とする工作機械用ナット押出機構。 A base, a storage component provided on the base, and a hydraulic cylinder provided on the base.
Inside the storage component, an input passage and an discharge passage are provided so as to penetrate the storage component.
The input passage and the discharge passage are rod-shaped and have a rod shape.
The input passage is provided vertically,
The discharge passage is provided horizontally and
The lower end of the input passage communicates with the discharge passage.
A push block is provided inside the discharge passage so that it can slide.
The push block is located between the hydraulic cylinder and the input passage, and the piston rod of the hydraulic cylinder is connected to the left end of the push block.
The push block is hollow and
The push block has an open left end and a closed right end.
Inside the push block, a partition plate for partitioning the internal space of the push block into a left space and a right space is provided.
The partition plate and the push block are integrated,
The partition plate is provided with an air introduction hole penetrating the partition plate along the horizontal direction.
The left space and the right space are communicated with each other by the air introduction hole.
An intake pump is fixed inside the left space,
The intake pump includes an air supply pipe and includes an air supply pipe.
The air supply pipe is inserted into the air introduction hole, and the air supply pipe is inserted into the air introduction hole.
The outer wall of the air supply pipe is sealed with the hole wall of the air introduction hole.
A positioning groove is formed on the right side of the push block.
Both the shape and size of the positioning groove are matched to the nut.
An intake hole communicating with the right space is provided on the bottom wall of the positioning groove.
An air supply hole communicating with the right space is provided on the side wall of the push block.
The air supply hole penetrates the side wall of the push block and
A solenoid valve is fixed to the push block,
The solenoid valve can control the communication state between the air supply hole and the outside.
A nut extrusion mechanism for machine tools. 前記給気管の外壁には環状溝が形成され、
前記環状溝は前記給気管と同軸に設けられ、
前記環状溝の内部にはシールリングが設けられ、
前記シールリングの外壁は前記空気導入穴の穴壁と当接する、
ことを特徴とする請求項１に記載の工作機械用ナット押出機構。 An annular groove is formed on the outer wall of the air supply pipe.
The annular groove is provided coaxially with the air supply pipe, and is provided.
A seal ring is provided inside the annular groove.
The outer wall of the seal ring abuts on the hole wall of the air introduction hole.
The nut extrusion mechanism for a machine tool according to claim 1. 前記押しブロックにおける右端の外側壁には円環状の案内部が一体成型され、
前記案内部は前記押しブロックと同軸に設けられ、
前記投入通路の横断面は円形であり、
前記案内部の外壁は前記投入通路の内壁と当接しており、
前記電磁弁は前記案内部の左側に位置する、
ことを特徴とする請求項１又は請求項２に記載の工作機械用ナット押出機構。 An annular guide portion is integrally molded on the outer wall at the right end of the push block.
The guide portion is provided coaxially with the push block and is provided.
The cross section of the input passage is circular and has a circular shape.
The outer wall of the guide portion is in contact with the inner wall of the input passage.
The solenoid valve is located on the left side of the guide portion.
The nut extrusion mechanism for a machine tool according to claim 1 or 2, wherein the nut is extruded. 前記案内部の外壁には環状の潤滑油貯蔵溝が形成され、
前記潤滑油貯蔵溝は前記案内部と同軸に設けられ、
前記潤滑油貯蔵溝の内部には潤滑油が充填される、
ことを特徴とする請求項３に記載の工作機械用ナット押出機構。 An annular lubricating oil storage groove is formed on the outer wall of the guide portion.
The lubricating oil storage groove is provided coaxially with the guide portion, and is provided.
The inside of the lubricating oil storage groove is filled with lubricating oil.
The nut extrusion mechanism for a machine tool according to claim 3. 前記押しブロックの左端には支持ブロックが設けられ、
前記支持ブロックは、前記押しブロックの円周方向にそって等間隔に配列された複数本のコンロッドによって前記押しブロックと固定して連結され、
前記支持ブロックと前記コンロッドは一体であり、
前記液圧シリンダーのピストンロッドは前記支持ブロックと固定して連結される、
ことを特徴とする請求項３に記載の工作機械用ナット押出機構。 A support block is provided at the left end of the push block.
The support block is fixedly connected to the push block by a plurality of connecting rods arranged at equal intervals along the circumferential direction of the push block.
The support block and the connecting rod are integrated,
The piston rod of the hydraulic cylinder is fixedly connected to the support block.
The nut extrusion mechanism for a machine tool according to claim 3.
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