CN112060535A - Automatic mould system of changing of butterfly-shaped drop cable - Google Patents
Automatic mould system of changing of butterfly-shaped drop cable Download PDFInfo
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- CN112060535A CN112060535A CN202010890540.7A CN202010890540A CN112060535A CN 112060535 A CN112060535 A CN 112060535A CN 202010890540 A CN202010890540 A CN 202010890540A CN 112060535 A CN112060535 A CN 112060535A
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- sleeve
- gear
- rotating
- mould
- rotating sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/256—Exchangeable extruder parts
- B29C48/2562—Mounting or handling of the die
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0075—Light guides, optical cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an automatic die replacement system for a butterfly-shaped lead-in optical cable, which comprises a motor, a thrust device, a gear, a rotating shaft, a connecting rod, an electromagnetic clutch, a quick-change mechanism and a replacement mechanism, wherein an output shaft of the thrust device is fixedly connected with the motor, a rotating shaft of the motor is fixedly connected with the gear, one side of the gear, which is far away from the motor, is rotatably connected with one end of the rotating shaft, the electromagnetic clutch is connected with the rotating shaft and the gear, the electromagnetic clutch is used for braking the rotating shaft, the other end of the rotating shaft is fixedly connected with the middle part of the connecting rod, the output shaft of the thrust device is parallel to the rotating shaft of the motor, the connecting rod is parallel to the gear and is vertical to the rotating shaft of the motor, the two quick-: the mold is not easily replaced.
Description
Technical Field
The invention relates to the field of extrusion molding dies, in particular to an automatic die replacement system for a butterfly-shaped drop cable.
Background
An extrusion mold, namely an extrusion mold, belongs to a forming mold, and only the other discharge mode is realized by the action of extrusion. The method is widely applied to aluminum special-shaped structures and is also used in plastic parts. The front end of the extruder is used for manufacturing pipes or profiled bars. In short, a mold is a tool for molding an article, which is composed of various parts, and different molds are composed of different parts, and it is accomplished by the processing of the outer shape of the article mainly by the change of the physical state of the molded material.
The mold in the prior art is easy to wear and needs to be replaced with molds of different models, so the replacement is frequent, the time cost for replacing the mold is increased in production, the temperature of the mold is higher in the normal production process, generally between 160 and 170 ℃, the mold needs to be taken out after the temperature is reduced during replacement, the time spent for taking out the mold is about 20-30 minutes, the product yield is influenced, and the hand of an operator is easily scalded due to the higher temperature in the mold taking process, so the prior art has the following problems: the mould is inconvenient to replace.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the object of the present invention is to: the utility model provides an automatic mould system of changing of butterfly-shaped drop cable has solved the technical problem that exists among the prior art, if: the mold is not easily replaced.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatic mould system of changing of butterfly-shaped introducing optical cable, includes extrusion molding mould body, extrusion molding mould body includes connecting portion and the tip that all is the cylinder, the tip diameter is greater than the connecting portion diameter, extrusion molding mould body's connecting portion are used for inserting in the mould seat, the mould seat sets up on the extrusion molding machine body, still includes motor, thrust device, gear, rotation axis, connecting rod, electromagnetic clutch, quick change mechanism and repacking mechanism, thrust device output shaft fixed connection the motor, motor axis of rotation fixed connection the gear, one side that the gear kept away from the motor is rotationally connected the one end of rotation axis, electromagnetic clutch connects the rotation axis with the gear, electromagnetic clutch is used for braking the rotation axis, the other end fixed connection of rotation axis the connecting rod middle part, the output shaft of the thrust device is parallel to the rotating shaft of the motor, and the connecting rod is vertical to the rotating shaft of the motor;
the quick-change mechanism comprises a gear ring, a rotating sleeve and a magnet, one end of the connecting rod is rotatably connected with the rotating sleeve, the gear ring is sleeved on one end, close to the gear, of the rotating sleeve, the gear ring is meshed with the gear, the rotating sleeve is of a hollow structure, the magnet is of a circular structure and is arranged inside the rotating sleeve, the size of the hollow part of the rotating sleeve is matched with the size of the end part of the extrusion molding die body, the hollow part of the rotating sleeve is used for slidably placing the end part of the extrusion molding die body, a protrusion is arranged on the inner side of the rotating sleeve, a groove matched with the protrusion is formed in the side surface of the end part of the extrusion molding die body, the number of the quick-change mechanisms is two, and the two quick-change mechanisms;
the replacing mechanism comprises a placing sleeve, the placing sleeve is connected with the extruding machine body, a threaded sleeve is arranged on the side face of a connecting part of the extruding mould body, the connecting part is arranged in the threaded sleeve and is fixedly connected with the threaded sleeve, external threads are sleeved on the threaded sleeve, threaded holes matched with the threaded sleeve are formed in the placing sleeve and the mould seat, the threaded holes of the placing sleeve and the threaded holes of the mould seat are arranged on a rotating path of a hollow part of the rotating sleeve, and the gear is located between the placing sleeve and the mould seat;
the placing sleeve and the die base are arranged on the same side of the end face of the gear, the threaded hole of the placing sleeve is flush with the end face of the threaded hole of the die base, the thrust device is used for enabling the extrusion molding die bodies placed in the two quick-change mechanisms to be respectively abutted against the end faces of the placing sleeve and the die base when the thrust device is in the minimum stroke, the thrust device is used for enabling the extrusion molding die bodies placed in the rotating sleeve to be in clearance with the end face of the threaded hole when the thrust device is in the maximum stroke, and the axial length of the extrusion molding die bodies is larger than that of the rotating sleeve.
Further, the connecting rod includes pole portion and two ring portions, two ring portions set up in the both ends of pole portion, ring portion is hollow structure, two all rotationally be connected with in the ring portion the rotating sleeve, the rotating sleeve is close to the one end of gear extends ring portion, the ring gear cover is located the rotating sleeve extends ring portion one end side is last.
Further, positioning mechanism still includes the location bolt, the equal fixedly connected with in both ends of connecting rod the location bolt, it is equipped with the lug to place the cover side, the lug with the mould seat all be equipped with the draw-in groove of bolt adaptation, the draw-in groove is close to one side of location bolt is equipped with the chamfer.
Further, the reloading mechanism further comprises a fixing plate, a sliding plate and a supporting column, wherein the fixing plate is fixedly connected with one end of the supporting column, the other end of the supporting column is fixedly connected with the plastic extruding machine body, the sliding plate is connected with the fixing plate in a sliding mode, the sliding plate is provided with a plurality of placing sleeves, the placing sleeves are distributed in a linear array mode in the sliding direction of the sliding plate, and only one threaded hole for placing the sleeves is located in the rotating path of the hollow part of the rotating sleeve.
The die holder is characterized by further comprising a zero setting mechanism, the zero setting mechanism comprises a supporting block and a shifting piece, one end of the supporting block is fixedly connected with the fixing plate, the other end of the supporting block is hinged to the shifting piece, the size of the shifting piece is matched with that of the protruding block, and the shifting piece is used for preventing the sliding plate from sliding and enabling a threaded hole of the placing sleeve to be aligned with a hollow part, far away from one end of the die holder, of the connecting rod.
Further, the axial length of the connecting portion of the extrusion die body is smaller than the length of the end portion.
Further, the extruding machine comprises a fixing frame and a sliding seat, one side of the extruding machine body is fixedly connected with the fixing frame, the sliding seat can be connected with the fixing frame in a sliding mode, the sliding seat is fixedly connected with the motor, and the fixing frame is fixedly connected with the thrust device.
Further, the thrust device is an electric cylinder.
Compared with the prior art, the invention has the following beneficial effects:
1. through adopting gear and rotating sleeve meshing to connect indirectly through electromagnetic clutch between the two, whether electromagnetic clutch break-make can control and rotate the cover and rotate around the gear, and whether no matter whether electromagnetic clutch break-make, it all is in the rotation state to rotate the cover, so can be when its cover is located on the mould body, with its back-out or screw in, and promote its cooperation that breaks away from completely and between screw thread cover and the above-mentioned screw hole by thrust unit, reached the beneficial effect of changing the dress mould fast and changing the dress automatically.
2. In the process of reaching the minimum stroke through the thrust device, two positioning bolts are respectively inserted into two clamping grooves to realize the positioning precision when the rotating sleeve is aligned with the threaded hole, and because one side of the clamping groove close to the positioning bolts is provided with a chamfer, when slight deviation occurs in precision, the collision of the positioning bolts and the chamfer can also timely cause the axle center of the rotating sleeve and the axle center of the threaded hole to be realigned, thereby achieving the beneficial effect of ensuring the positioning precision.
3. Place the cover through being equipped with a plurality of on the slide, reach the biggest stroke with thrust unit, then slide, place the cover with the target and be in the plectrum below, then block the plectrum in its draw-in groove, the target is placed the cover and has just alignd the rotation cover that is in the top this moment, has reached the beneficial effect that the extrusion molding mould body of being convenient for the adjustment to place cover initial position and select different models.
Drawings
FIG. 1 is an overall view of an automatic mold changing system for a butterfly drop cable according to the present invention;
FIG. 2 is a schematic side sectional view;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is a schematic view of a rotating sleeve;
FIG. 5 is a schematic view of an extrusion die body;
FIG. 6 is a schematic view of a zeroing mechanism;
FIG. 7 is a schematic side view of a thrust unit with a minimum travel.
List of reference numerals
1 extruding machine body 1, 2 mould seat 2, 3 thrust unit, 4 motors, 5 slides, 6 mounts, 7 gears, 8 connecting rods, 9 electromagnetic clutch, 10 ring portion, 11 ring gears, 12 thread bush, 13 bolts, 14 place the cover, 15 lugs, 16 fixed plates, 17 slide, 18 supporting shoes, 19 plectrums, 20 rotation axes, 21 extrusion molding mould body, 22 magnet, 23 rotate the cover.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to fig. 1 to 7, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, integrally connected, or detachably connected; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.
The utility model provides an automatic mould system of changing of butterfly-shaped introducing optical cable, includes extrusion molding mould body 21, extrusion molding mould body 21 includes connecting portion and the tip that all are the cylinder, the tip diameter is greater than the connecting portion diameter, extrusion molding mould body 21's connecting portion are used for inserting in mould seat 2, mould seat 2 sets up on extrusion molding machine body 1, still includes motor 4, thrust unit 3, gear 7, rotation axis 20, connecting rod 8, electromagnetic clutch 9, quick change mechanism and change outfit and construct, thrust unit 3 output shaft fixed connection motor 4, motor 4 axis of rotation fixed connection gear 7, the one side that motor 4 was kept away from to gear 7 is rotationally connected the one end of rotation axis 20, electromagnetic clutch 9 connects rotation axis 20 with gear 7, electromagnetic clutch 9 is used for braking rotation axis 20, the other end of the rotating shaft 20 is fixedly connected with the middle part of the connecting rod 8, the output shaft of the thrust device 3 is parallel to the rotating shaft of the motor 4, and the connecting rod 8 is vertical to the rotating shaft of the motor 4;
the quick-change mechanism comprises a gear ring 11, a rotating sleeve 23 and a magnet 22, one end of the connecting rod 8 is rotatably connected with the rotating sleeve 23, the gear ring 11 is sleeved on the end, close to the gear 7, of the rotating sleeve 23, the gear ring 11 is meshed with the gear 7, the rotating sleeve 23 is of a hollow structure, the magnet 22 is of a circular ring structure and is arranged inside the rotating sleeve 23, the size of the hollow part of the rotating sleeve 23 is matched with that of the end part of the extrusion molding die body 21, the hollow part of the rotating sleeve 23 is used for slidably placing the end part of the extrusion molding die body 21, a protrusion is arranged on the inner side of the rotating sleeve 23, a groove matched with the protrusion is formed in the side surface of the end part of the extrusion molding die body 21, two quick-change mechanisms are arranged at two ends of the connecting rod 8 respectively;
the replacing mechanism comprises a placing sleeve 14, the placing sleeve 14 is connected with the extruding machine body 1, a threaded sleeve 12 is arranged on the side surface of a connecting part of the extruding mould body 21, the connecting part is arranged in the threaded sleeve 12 and is fixedly connected with the threaded sleeve 12, the threaded sleeve 12 is provided with external threads, the placing sleeve 14 and the mould base 2 are both provided with threaded holes matched with the threaded sleeve 12, the threaded holes of the placing sleeve 14 and the threaded holes of the mould base 2 are both arranged on a rotating path of a hollow part of the rotating sleeve 23, and the gear 7 is positioned between the placing sleeve 14 and the mould base 2;
As shown in fig. 1 and 2, the rotation shaft of the motor 4 and the output shaft of the thrust device 3 are parallel to each other, the rotation shaft of the motor 4 is fixedly connected with the gear 7 and is concentric, the rotation shaft 20 is rotatably connected with the gear 7, and the rotation shaft 20 and the connecting rod 8 rotate along with the rotation shaft of the motor 4 when the electromagnetic clutch 9 frictionally brakes the rotation shaft 20, and when the electromagnetic clutch 9 does not frictionally brake the rotation shaft 20, although the rotation shaft 20 is not restrained by the electromagnetic clutch 9, the rotation shaft 20 still rotates with the rotation shaft of the motor 4 in a small range due to the influence of a small frictional force between the electromagnetic clutch 9 and the gear 7.
Because two ends of the connecting rod 8 are rotatably connected with the two rotating sleeves 23, the rotating axis of the rotating sleeve 23 is the same as the geometric axis thereof, namely, the rotating sleeve 23 performs autorotation motion, and the gear ring 11 on the rotating sleeve 23 is meshed with the gear 7, no matter whether the electromagnetic clutch 9 brakes the rotating shaft 20 or not, as long as the motor 4 rotates, the two rotating sleeves 23 always perform autorotation motion state under the driving of the gear 7, and the autorotation direction of the rotating sleeve 23, namely, clockwise autorotation or anticlockwise autorotation can be controlled according to different steering directions of the motor 4.
As shown in fig. 4 and 5, a magnet 22 is provided inside the rotary sleeve 23, for catching and attracting the end of the extrusion die body 21, as shown in fig. 3, the inner cross-sectional size of the rotating sleeve 23 is adapted to the end cross-sectional size of the extrusion die body 21, since the axial length of the extrusion die body 21 is greater than the axial length of the rotating sleeve 23, that is, when the extrusion die body 21 is placed inside the rotating sleeve 23, the end portion thereof is inside, the connecting portion is outside, and the connecting part extends out of the end surface of the rotating sleeve 23, and the groove on the side surface of the end part of the extrusion molding die body 21 is inserted into the bulge of the rotating sleeve 23, the bulge is parallel to the axial direction of the extrusion molding die body 21, that is, when the rotating sleeve 23 is rotated, the extrusion die body 21 is rotated together with the rotating sleeve 23, and the diameter of the inner circle of the magnet 22 is larger than that of the drop cable, so that the drop cable can pass through the extrusion die body 21 and out through the inner side of the magnet 22.
Because the threaded hole of the placing sleeve 14 and the threaded hole of the die holder 2 are both arranged on the rotation path of the hollow portion of the rotating sleeve 23, in the initial state, the threaded hole of the placing sleeve 14 and the threaded hole of the die holder 2 are respectively concentric with the hollow portions of the two rotating sleeves 23, the two threaded holes are flush with the end surface of one side close to the gear 7, and because the axial length of the extrusion die body 21 is greater than the axial length of the rotating sleeve 23, and when the thrust device 3 is in the maximum stroke, the extrusion die body 21 in the rotating sleeve 23 has a gap with the plane where the end surfaces of the two threaded holes are located, that is, the end surface of the extrusion die body 21 on the side far away from the gear 7 has a gap with the end surfaces of the two threaded holes, as shown in fig. 7, when the thrust device 3 is in the minimum stroke, the connecting portions of the two extrusion die bodies 21 in the two rotating sleeves 23 are respectively abutted, and the threaded sleeve 12 is fitted with the threaded hole.
Since the two rotating sleeves 23 are disposed at both ends of the connecting rod 8, the positions of the two rotating sleeves are interchanged when the motor 4 rotates 180 degrees.
In the specific working process, as shown in fig. 7, the placing sleeve 14 and the die holder 2 are both provided with the extrusion die body 21 in advance, the extrusion die body 21 in the die holder 2 is used for production, the extrusion die body 21 in the placing sleeve 14 is used for changing, the two extrusion die bodies are respectively concentric with the two rotating sleeves 23, when changing, the thrust device 3 pushes the motor 4 to reach the minimum stroke, the two rotating sleeves 23 are further sleeved on the two extrusion die bodies 21, the protrusions of the rotating sleeves 23 are inserted into the side grooves of the extrusion die bodies 21, at the moment, the motor 4 rotates, the electromagnetic clutch 9 does not brake the rotating shaft 20, the rotating direction is the direction in which the extrusion die bodies 21 rotate out of the threaded holes, so under the rotation of the motor 4, the gear 7 drives the rotating sleeves 23 to rotate, the extrusion die bodies 21 can be rotated out by the rotating sleeves 23, in the process, as the two rotating sleeves 23 are sleeved on the two extrusion die bodies 21, the rotation of the rotating shaft 20 and the connecting rod 8 is limited equivalently, the rotating shaft 20 does not rotate together with the gear 7, the influence of the rotation of the rotating shaft 20 still rotating with the rotating shaft of the motor 4 in a smaller range in the process is eliminated, the two rotating sleeves 23 are respectively rotated out of the placing sleeve 14 and the extrusion die body 21 in the die holder 2 and rotate to a certain degree, the end part of the extrusion die body 21 is abutted against the magnet 22, the magnet 22 blocks and adsorbs the magnet 22, after the threaded sleeve 12 on the connecting part of the extrusion die body 21 is separated from the threaded hole, the thrust device 3 pushes the motor 4 to reach the maximum stroke, namely, the extrusion die body 21 in the rotating sleeve 23 has a gap with the plane where the end surfaces of the two threaded holes are located, at the moment, the electromagnetic clutch 9 brakes the rotating shaft 20, the motor 4 rotates the motor 4 for 180 degrees, and the rotating shaft 20 and the connecting rod 8, the positions of the two rotating sleeves are exchanged, then the thrust device 3 pushes the motor 4 again to reach the minimum stroke, the extrusion molding die bodies 21 in the two rotating sleeves 23 are respectively abutted against the end faces of the two threaded holes and are concentric, at this time, the electromagnetic clutch 9 releases the rotary shaft 20 again, the motor 4 is then rotated in a direction in which the extrusion die body 21 is screwed into the above-mentioned screw hole, contrary to the movement of screwing out the extrusion mold body 21, the two plastic mold bodies 21 are respectively screwed into the placing sleeve 14 and the mold base 2, the replacement is completed, the function of exchanging the extrusion die body 21 in the placing sleeve 14 and the die holder 2 with each other to replace the die, or detaching the extrusion die body 21 in the die holder 2, or installing the extrusion die body 21 in the placing sleeve 14 into the die holder 2 is realized, and the magnet 22 can prevent the extrusion die body 21 from falling off in the exchanging process.
Above-mentioned in-process, if extrusion molding die body 21's connecting portion length is longer, can close thrust unit 3 this moment, then extrusion molding die body 21 rotates final stage, promotes magnet 22, makes to rotate cover 23 and drives motor 4 and slide, and then makes extrusion molding die body 21 break away from above-mentioned screw hole, places extrusion molding die body 21 in the cover 14 and adorns by the manual work in advance.
In the above process, since the different extrusion die bodies 21 have different internal structures but the axial lengths thereof are the same, and the lengths of the connecting portion and the end portion thereof are fixed values, and the threaded hole of the placing sleeve 14 is a threaded blind hole structure, when the gear ring 11 on the connecting portion of the extrusion die body 21 is screwed into the placing sleeve 14, the threaded blind hole structure plays a role of limiting, but even if the limiting function is available, there will be a small deviation in the final position where the extrusion die body 21 is screwed into the placing sleeve 14 each time, correspondingly, the cross section of the groove is larger than that of the protrusion compared with that of the protrusion on the rotating sleeve 23 on the extrusion die body 21, so that the small deviation is within the difference range between the protrusion and the groove, that is, even if the small deviation exists, when the end portion of the extrusion die body 21 is inserted into the rotating sleeve 23 each time, the projections and the grooves are fitted to each other, and since the difference between the projections and the grooves does not affect the circumferential rotation of the extrusion mold body 21, it is free from damage and elegant, and the electromagnetic clutch 9 maintains a state of locking the rotary shaft 20 when the motor 4 is pushed again by the thrust device 3 to make the accuracy more accurate.
In conclusion, compared with the technical scheme of manually replacing the die in the prior art, the die is easy to scald and low in efficiency, the gear 7 is meshed with the rotating sleeve 23, the gear 7 and the rotating sleeve 23 are indirectly connected through the electromagnetic clutch 9, the electromagnetic clutch 9 can be switched on and off to control whether the rotating sleeve 23 rotates around the gear 7, and the rotating sleeve 23 is in a self-rotating state regardless of the switching on and off of the electromagnetic clutch 9, so that the rotating sleeve can be screwed out or screwed in when the rotating sleeve is sleeved on the die body 21, and the thrust device 3 pushes the rotating sleeve to be completely separated from the die body and the threaded sleeve 12 to be matched with the threaded hole, and the beneficial effects of rapidly replacing the die and automatically replacing the die are achieved.
In addition, it should be noted that, in order to realize the precision control when the motor 4 rotates, motors with good precision performance such as a stepping motor and a servo motor should be preferably selected, and in a manner of being adaptive to the motor 4 and the thrust device 3, the whole device is further provided with a logic circuit control part connected with the logic circuit control part for controlling the rotation of the motor 4, the on-off of the electromagnetic clutch 9 and the pushing of the thrust device 3, and correspondingly, the plastic extruding machine body 1 is provided with a button connected with the logic circuit control part, and the actions can be controlled through the button, which belong to the prior art.
Further, the connecting rod 8 includes a rod portion and two circular portions 10, the two circular portions 10 are disposed at two ends of the rod portion, the circular portions 10 are hollow structures, the two circular portions 10 are all rotatably connected with the rotating sleeve 23, the rotating sleeve 23 is close to one end of the gear 7 and extends out of the circular portions 10, and the gear ring 11 is sleeved on the rotating sleeve 23 and extends out of one end side face of the circular portions 10.
The hollow structure of the circular ring part 10 is a cylindrical structure, which is matched with the rotating sleeve 23.
Further, positioning mechanism still includes location bolt 13, the equal fixedly connected with in both ends of connecting rod 8 location bolt 13, it is equipped with lug 15 to place the 14 sides of cover, lug 15 with mould seat 2 all be equipped with the draw-in groove of bolt 13 adaptation, the draw-in groove is close to one side of location bolt 13 is equipped with the chamfer.
The ring parts 10 at the two ends of the connecting rod 8 are fixedly connected with positioning bolts 13, the direction of the positioning bolts 13 is parallel to the pushing direction of the thrust device 3, as shown in fig. 6, the openings of the clamping grooves of the convex blocks 15 face upwards, and the clamping grooves are in a through groove form, when the thrust device 3 reaches the minimum stroke, the two positioning bolts 13 are respectively inserted into the two clamping grooves, so as to realize the positioning precision when the rotating sleeve 23 is aligned with the threaded hole, and because the clamping grooves are provided with chamfers at the sides close to the positioning bolts 13, when slight deviation occurs in precision, the collision between the positioning bolts 13 and the chamfers can also timely realign the axes of the rotating sleeve 23 and the threaded hole, and the beneficial effect of ensuring the positioning precision is achieved.
Further, the replacing and installing mechanism further comprises a fixing plate 16, a sliding plate 17 and a supporting column, wherein the fixing plate 16 is fixedly connected with one end of the supporting column, the other end of the supporting column is fixedly connected with the extruding machine body 1, the sliding plate 17 is slidably connected with the fixing plate 16, a plurality of placing sleeves 14 are arranged on the sliding plate 17, the placing sleeves 14 are distributed along the sliding direction of the sliding plate 17 in a linear array mode, and only one threaded hole of each placing sleeve 14 is located on the rotating path of the hollow part of the rotating sleeve 23.
Further, the zero setting mechanism comprises a supporting block 18 and a shifting piece 19, one end of the supporting block 18 is fixedly connected with the fixing plate 16, the other end of the supporting block 18 is hinged to the shifting piece 19, the size of the shifting piece 19 is matched with that of the protruding block 15, and the shifting piece 19 is used for preventing the sliding plate 17 from sliding and enabling a threaded hole of the placing sleeve 14 to be aligned with a hollow part of the rotating sleeve 23, far away from one end of the die base 2, on the connecting rod 8.
The sliding plate 17 is fixedly connected with a plurality of placing sleeves 14 which can store a plurality of different mould models, then the sliding plate 17 is slid, so that the different placing sleeves 14 are sequentially concentric with the hollow part of the rotating sleeve 23 at one end of the connecting rod 8 far away from the mould seat 2, namely, the whole device can be switched to a plurality of mould models, when the sliding plate 17 is slid to switch the mould models, the shifting piece 19 is rotated to the clamping groove of the lug 15, the shifting piece 19 limits the sliding of the sliding plate 17 to enable the sliding plate 17 to be relatively fixed, and at the moment, one placing sleeve 14 is concentric with the hollow part of the rotating sleeve 23 at one end of the connecting rod 8 far away from the mould seat 2, when in specific operation, the thrust device 3 reaches the maximum stroke, then the sliding plate 17 is slid, the target placing sleeve 14 is positioned below the shifting piece 19, then the shifting piece 19 is clamped in the clamping groove, namely, at the moment, the target placing sleeve, the beneficial effects of conveniently adjusting the initial position of the placing sleeve 14 and selecting the extrusion die bodies 21 with different models are achieved.
Further, the axial length of the connecting part of the extrusion die body 21 is smaller than that of the end part, so that the connecting part of the extrusion die body 21 and the thread bush 12 sleeved on the connecting part can be in contact with and matched with the thread hole.
Further, the extruding machine further comprises a fixing frame 6 and a sliding seat 5, one side of the extruding machine body 1 is fixedly connected with the fixing frame 6, the sliding seat 5 can be connected with the fixing frame 6 in a sliding mode, the sliding seat 5 is fixedly connected with the motor 4, and the fixing frame 6 is fixedly connected with the thrust device 3.
The sliding connection mode between the sliding seat 5 and the fixed frame 6, the sliding connection mode between the sliding plate 17 and the fixed plate 16, and the two modes can be a sliding rail sliding mode, a sliding groove matching mode, and the like.
Further, the thrust device 3 is an electric cylinder.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments in the above-described embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition. In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (8)
1. The utility model provides an automatic mould system of changing of butterfly-shaped introducing optical cable, includes extrusion molding mould body (21), extrusion molding mould body (21) is including all being cylindrical connecting portion and tip, the tip diameter is greater than the connecting portion diameter, the connecting portion of extrusion molding mould body (21) are used for inserting in mould seat (2), mould seat (2) set up on extrusion molding machine body (1), its characterized in that still includes motor (4), thrust unit (3), gear (7), rotation axis (20), connecting rod (8), electromagnetic clutch (9), quick change mechanism and change mechanism, thrust unit (3) output shaft fixed connection motor (4), motor (4) axis of rotation fixed connection gear (7), one side that motor (4) were kept away from to gear (7) rotationally connects the one end of rotation axis (20), the electromagnetic clutch (9) is connected with the rotating shaft (20) and the gear (7), the electromagnetic clutch (9) is used for braking the rotating shaft (20), the other end of the rotating shaft (20) is fixedly connected with the middle part of the connecting rod (8), the output shaft of the thrust device (3) is parallel to the rotating shaft of the motor (4), and the connecting rod (8) is perpendicular to the rotating shaft of the motor (4);
the quick change mechanism comprises a gear ring (11), a rotating sleeve (23) and a magnet (22), one end of a connecting rod (8) is rotatably connected with the rotating sleeve (23), the gear ring (11) is sleeved on the rotating sleeve (23) close to one end of the gear (7), the gear ring (11) is meshed with the gear (7), the rotating sleeve (23) is of a hollow structure, the magnet (22) is of a ring structure and is arranged inside the rotating sleeve (23), the size of the hollow part of the rotating sleeve (23) is matched with the size of the end part of the extrusion molding die body (21), the hollow part of the rotating sleeve (23) is used for being slidably arranged at the end part of the extrusion molding die body (21), the inner side of the rotating sleeve (23) is provided with a protrusion, the side surface of the end part of the extrusion molding die body (21) is provided with a groove matched with the protrusion, the two quick-change mechanisms are respectively arranged at two ends of the connecting rod (8);
the replacing mechanism comprises a placing sleeve (14), the placing sleeve (14) is connected with the extruding machine body (1), a threaded sleeve (12) is arranged on the side face of a connecting part of the extruding mould body (21), the connecting part is arranged in the threaded sleeve (12) and fixedly connected with the threaded sleeve (12), an external thread is arranged on the threaded sleeve (12), threaded holes matched with the threaded sleeve (12) are formed in the placing sleeve (14) and the mould base (2), the threaded holes of the placing sleeve (14) and the threaded holes of the mould base (2) are arranged on a rotating path of a hollow part of the rotating sleeve (23), and the gear (7) is located between the placing sleeve (14) and the mould base (2);
place cover (14) with mould seat (2) set up in same one side of gear (7) terminal surface, place the screw hole of cover (14) with the terminal surface of the screw hole of mould seat (2) flushes, thrust device (3) are used for making when it is in minimum stroke place in two in the quick change mechanism extrusion molding mould body (21) respectively with place cover (14) with the terminal surface butt of mould seat (2), thrust device (3) are used for when it is in maximum stroke make place in rotate cover (23) extrusion molding mould body (21) with there is the clearance between the terminal surface of screw hole, the axial length of extrusion molding mould body (21) is greater than the axial length who rotates cover (23).
2. The automatic butterfly-shaped drop cable replacement mold system according to claim 1, wherein the connecting rod (8) comprises a rod portion and two circular ring portions (10), the two circular ring portions (10) are disposed at two ends of the rod portion, the circular ring portions (10) are of a hollow structure, the rotating sleeve (23) is rotatably connected in each of the two circular ring portions (10), one end of the rotating sleeve (23) close to the gear (7) extends out of the circular ring portion (10), and the gear ring (11) is sleeved on one side surface of the rotating sleeve (23) extending out of the circular ring portion (10).
3. The automatic butterfly drop cable replacement mold system according to claim 1, wherein the positioning mechanism further comprises a positioning pin (13), the positioning pin (13) is fixedly connected to both ends of the connecting rod (8), a protruding block (15) is disposed on a side surface of the placement sleeve (14), a clamping groove adapted to the pin (13) is disposed on each of the protruding block (15) and the mold base (2), and a chamfer is disposed on a side of the clamping groove close to the positioning pin (13).
4. The system of claim 3, wherein the reloading mechanism further comprises a fixing plate (16), a sliding plate (17) and a supporting column, the fixing plate (16) is fixedly connected to one end of the supporting column, the other end of the supporting column is fixedly connected to the extruder body (1), the sliding plate (17) is slidably connected to the fixing plate (16), a plurality of the placing sleeves (14) are arranged on the sliding plate (17), the placing sleeves (14) are distributed in a linear array along the sliding direction of the sliding plate (17), and only one threaded hole of the placing sleeve (14) is located on the rotating path of the hollow portion of the rotating sleeve (23).
5. The automatic butterfly drop cable replacement mold system according to claim 4, further comprising a zeroing mechanism, wherein the zeroing mechanism comprises a supporting block (18) and a shifting piece (19), one end of the supporting block (18) is fixedly connected to the fixing plate (16), the other end of the supporting block (18) is hinged to the shifting piece (19), the size of the shifting piece (19) is matched with the size of the protruding block (15), and the shifting piece (19) is used for preventing the sliding plate (17) from sliding and aligning a threaded hole of the placing sleeve (14) with a hollow portion of the rotating sleeve (23) on the connecting rod (8) far from one end of the mold base (2).
6. An automatic butterfly drop cable replacement die system according to claim 1, wherein the axial length of the connecting portion of the extrusion die body (21) is smaller than the length of the end portion.
7. The system for automatically replacing the mold of the butterfly-shaped drop cable according to claim 1, further comprising a fixing frame (6) and a sliding seat (5), wherein one side of the extruding machine body (1) is fixedly connected with the fixing frame (6), the sliding seat (5) is slidably connected with the fixing frame (6), the sliding seat (5) is fixedly connected with the motor (4), and the fixing frame (6) is fixedly connected with the pushing device (3).
8. An automatic butterfly drop cable mould change system according to claim 1, wherein said thrust means (3) is an electric cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010890540.7A CN112060535B (en) | 2020-08-29 | 2020-08-29 | Automatic mould system of changing of butterfly-shaped drop cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010890540.7A CN112060535B (en) | 2020-08-29 | 2020-08-29 | Automatic mould system of changing of butterfly-shaped drop cable |
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| CN112060535B CN112060535B (en) | 2022-04-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115890429A (en) * | 2022-11-25 | 2023-04-04 | 北平机床(浙江)股份有限公司 | Grinding wheel grinding mechanism of grinding machine |
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| CN112060535B (en) | 2022-04-01 |
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