CN108437394B - Rubber layer eccentricity online automatic adjusting device and eccentricity adjusting method - Google Patents

Rubber layer eccentricity online automatic adjusting device and eccentricity adjusting method Download PDF

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Publication number
CN108437394B
CN108437394B CN201810146607.9A CN201810146607A CN108437394B CN 108437394 B CN108437394 B CN 108437394B CN 201810146607 A CN201810146607 A CN 201810146607A CN 108437394 B CN108437394 B CN 108437394B
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China
Prior art keywords
adjusting
eccentricity
rubber
rubber layer
convex ring
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CN201810146607.9A
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Chinese (zh)
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CN108437394A (en
Inventor
吕金山
张方华
胡曙光
胡明生
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Ningbo Shijun Auto Parts Technology Co ltd
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Ningbo Shijun Auto Parts Technology Co ltd
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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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • 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
    • 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
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92152—Thickness
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The invention aims to provide an online automatic rubber layer eccentricity adjusting device and an eccentricity adjusting method. An on-line automatic rubber layer eccentricity adjusting device comprises: the device comprises a machine head, an online thickness detector arranged on the front side of the machine head, an eccentric adjusting device and a controller; the aircraft nose includes: the side wall of the machine body is provided with a rubber inlet hole, an inner pipe which is arranged in the machine body in a penetrating way and is provided with a middle hole, a mouth mold which is sleeved outside the front end of the inner pipe and is provided with an outer convex ring at the rear end, an adjusting convex ring which is arranged at the front end of the machine body and has the inner diameter larger than the outer diameter of the outer convex ring, a pressing ring which blocks the front end of the outer convex ring and is detachably connected with the front end of the adjusting convex ring, and a; the adjusting convex ring side wall is provided with screw holes which have the same number as the adjusting screws and are circumferentially distributed along the axial direction of the adjusting convex ring; the screw rod of the adjusting screw presses the outer side wall of the outer convex ring and is in one-to-one corresponding threaded connection with the screw holes. The rubber layer eccentricity online automatic adjusting device finds the eccentricity when the rubber layer is eccentric, and has high eccentricity adjusting efficiency and adjusting precision.

Description

Rubber layer eccentricity online automatic adjusting device and eccentricity adjusting method
Technical Field
The invention relates to the field of automatic assembly equipment, in particular to an online automatic rubber layer eccentricity adjusting device and an eccentricity adjusting method.
Background
The rubber pipe with the periphery coated with the rubber layer is coated with rubber through a rubber extruder; when the coated rubber layer is eccentric, a screw of a machine head of a rubber extruder of the machine head needs to be manually pulled to adjust an extrusion port, so that the purpose of adjusting the eccentricity of the rubber layer is achieved, the eccentricity of the adjusted rubber layer is confirmed, a rubber tube of the coated rubber layer needs to be cut by a cutter for visual inspection, and the defects of untimely discovery of the eccentricity of the rubber layer, low eccentricity adjustment efficiency and low adjustment precision exist; therefore, the rubber layer eccentricity online automatic adjusting device for rubber tube coating is designed to find rubber layer eccentricity timely and have high eccentricity adjusting efficiency and adjusting precision, and the problem to be solved urgently is solved.
Disclosure of Invention
The invention aims to overcome the defects that when the rubber layer coated outside the rubber pipe is eccentric, the screw of the head of a rubber extruder of a machine head needs to be manually turned to adjust an extrusion opening to achieve the purpose of adjusting the eccentricity of the rubber layer, the eccentricity of the rubber layer after adjustment is confirmed, the rubber pipe coated on the rubber layer needs to be cut by a cutter to be visually detected, the eccentricity of the rubber layer is not found timely, the eccentricity adjustment efficiency and the adjustment precision are low, and the rubber layer coated rubber layer eccentricity online automatic adjusting device with timely rubber layer eccentricity finding, high eccentricity adjustment efficiency and high adjustment precision is provided
The specific technical scheme of the invention is as follows:
an on-line automatic rubber layer eccentricity adjusting device comprises: the device comprises a machine head, an online thickness detector arranged on the front side of the machine head, an eccentric adjusting device and a controller; the aircraft nose includes: the side wall of the machine body is provided with a rubber inlet hole, an inner pipe which is arranged in the machine body in a penetrating way and is provided with a middle hole, a mouth mold which is sleeved outside the front end of the inner pipe and is provided with an outer convex ring at the rear end, an adjusting convex ring which is arranged at the front end of the machine body and has the inner diameter larger than the outer diameter of the outer convex ring, a pressing ring which blocks the front end of the outer convex ring and is detachably connected with the front end of the adjusting convex ring, and a; a rubber outlet channel is formed between the front end of the inner tube and the mouth mold; rubber flow channels with two ends correspondingly communicated with the rear ends of the rubber inlet hole and the rubber outlet channel one by one are arranged between the inner pipe and the machine body; the adjusting convex ring side wall is provided with screw holes which have the same number as the adjusting screws and are circumferentially distributed along the axial direction of the adjusting convex ring; the screw rod of the adjusting screw presses the outer side wall of the outer convex ring and is in one-to-one corresponding threaded connection with the screw holes. When the rubber layer eccentricity online automatic adjusting device is used, molten rubber extruded from a rubber outlet channel is coated outside the rubber pipe to form a rubber layer, and the rubber layer moves forwards along with the rubber pipe through a rubber pipe through hole of an X-ray online thickness detector, and the online thickness detector detects the thickness of the rubber layer; when the online thickness detector detects that the rubber layer is eccentric, the signal is transmitted to the controller, and the controller controls the eccentric adjusting device to automatically and timely adjust the eccentricity of the rubber layer according to the eccentric direction and the eccentric value of the rubber layer, so that the eccentricity of the rubber layer is smaller than a set value. The rubber layer eccentricity online automatic adjusting device finds the eccentricity when the rubber layer is eccentric, and has high eccentricity adjusting efficiency and adjusting precision.
Preferably, the eccentric adjustment device includes: the mounting frame is formed by connecting frame plates with the same number as the adjusting screws and is sleeved outside the front end of the machine body, the servo motors with the same number as the frame plates and connected with the frame plates in a one-to-one correspondence manner, and the connecting shafts with the same number as the servo motors and one ends connected with output shafts of the servo motors in a one-to-one correspondence manner; the other end of the connecting shaft is correspondingly connected with the head of the adjusting screw one by one; the servo motor is electrically connected with the controller. The eccentric adjusting device is simple and practical in structure, the controller drives the adjusting screw to rotate through the servo motor and the connecting shaft, and therefore the eccentricity of the rubber layer is adjusted on line to be smaller than a set value through adjusting the positions of the convex ring and the adjusting convex ring according to requirements, and adjustment accuracy is guaranteed.
Preferably, the online thickness detector is an X-ray online thickness detector provided with a rubber tube through hole; the X-ray online thickness detector is electrically connected with the controller. The universal part is low in cost and high in detection precision.
Preferably, the inner tube comprises: the main pipe and the outlet pipe with the rear end detachably connected with the main pipe; the mesopores include: the main hole is positioned in the main pipe, and the frustum-shaped hole is positioned in the outlet pipe and the large end of the frustum-shaped hole is communicated with the front end of the main hole; the diameter of the small end of the frustum-shaped hole is matched with the outer diameter of the rubber tube. The rubber tube sealing device can meet the requirements of rubber tube coating rubber layers with various diameters by exchanging the outlet tube and the die.
Preferably, the rubber layer eccentricity online automatic adjusting device further comprises: the vacuum tube is arranged in the main hole and connected with the main tube; the rear end of the vacuumizing pipe extends out of the rear end of the main pipe. The rubber tube is coated by the rubber layer and the combination is firm by vacuumizing through the vacuumizing tube.
The rubber layer eccentricity online automatic adjusting device is provided with a limiting structure of the rubber layer eccentricity online automatic adjusting device, and the rubber layer eccentricity online automatic adjusting device comprises a rubber layer, a rubber outlet pipeline, an X-ray online thickness detector and a rubber layer control device, wherein molten rubber extruded from the rubber outlet pipeline is coated outside the rubber layer to form the rubber layer and moves forwards along with the rubber layer through a rubber pipe through hole of the X-ray online thickness detector, and the X-ray online thickness detector detects the thickness of the rubber layer; and secondly, when the X-ray online thickness detector detects that the rubber layer is eccentric, a signal is transmitted to the controller, the controller controls the servo motor to start according to the eccentric direction and the eccentric value of the rubber layer, an output shaft of the servo motor drives the adjusting screw to rotate through the connecting shaft, and the eccentricity of the rubber layer is automatically adjusted in time, so that the eccentricity of the rubber layer is smaller than a set value. The eccentricity adjusting method of the rubber layer eccentricity online automatic adjusting device can meet the requirements of timely finding and high eccentricity adjusting efficiency and adjusting precision of the rubber layer eccentricity online automatic adjusting device when the rubber layer is eccentric.
Compared with the prior art, the invention has the beneficial effects that: the rubber layer eccentricity online automatic adjusting device finds the eccentricity when the rubber layer is eccentric, and has high eccentricity adjusting efficiency and adjusting precision. The eccentric adjusting device is simple and practical in structure, the controller drives the adjusting screw to rotate through the servo motor and the connecting shaft, and therefore the eccentricity of the rubber layer is adjusted on line to be smaller than a set value through adjusting the positions of the convex ring and the adjusting convex ring according to requirements, and adjustment accuracy is guaranteed. The online thickness detector is an X-ray online thickness detector provided with a rubber tube through hole, and is low in universal part cost and high in detection precision. The rubber tube sealing device can meet the requirements of rubber tube coating rubber layers with various diameters by exchanging the outlet tube and the die. The rubber tube is coated by the rubber layer and the combination is firm by vacuumizing through the vacuumizing tube. The eccentricity adjusting method of the rubber layer eccentricity online automatic adjusting device can meet the requirements of timely finding and high eccentricity adjusting efficiency and adjusting precision of the rubber layer eccentricity online automatic adjusting device when the rubber layer is eccentric.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
In the figure: the device comprises a controller 1, a rubber inlet hole 2, a machine body 3, a middle hole 4, an inner tube 5, an outer convex ring 6, a mouth mold 7, an adjusting convex ring 8, a pressing ring 9, a rubber outlet channel 10, a rubber flow channel 11, a screw hole 12, a frame plate 13, a mounting frame 14, a servo motor 15, a connecting shaft 16, an inner hexagonal screw 17, a hexagonal rod 18, a rubber tube through hole 19, an X-ray online thickness detector 20, a main tube 21, an outlet tube 22, a main hole 23, a frustum-shaped hole 24, a vacuumizing tube 25, a rubber tube 26 and a rubber layer 27.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in figure 1: an on-line automatic rubber layer eccentricity adjusting device comprises: the device comprises a machine head, an online thickness detector arranged on the front side of the machine head, an eccentric adjusting device and a controller 1; the aircraft nose includes: the device comprises a machine body 3 with a rubber inlet hole 2 on the side wall, an inner pipe 5 which is arranged in the machine body 3 in a penetrating way and is provided with a middle hole 4, a mouth mold 7 which is sleeved outside the front end of the inner pipe 5 and is provided with an outer convex ring 6 at the rear end, an adjusting convex ring 8 which is arranged at the front end of the machine body 3 and has the inner diameter larger than the outer diameter of the outer convex ring 6, a pressing ring 9 which blocks the front end of the outer convex ring 6 and is connected with the front end of the adjusting convex ring 8 through screws, and; a rubber outlet channel 10 is formed between the front end of the inner tube 5 and the mouth mold 7; rubber runners 11 with two ends correspondingly communicated with the rear ends of the rubber inlet holes 2 and the rubber outlet channels 10 one by one are arranged between the inner pipe 5 and the machine body 3; the side wall of the adjusting convex ring 8 is provided with screw holes 12 which have the same number as the adjusting screws and are uniformly distributed along the axial circumference of the adjusting convex ring 8; the screw rod of the adjusting screw presses the outer side wall of the outer convex ring 6 and is in one-to-one corresponding threaded connection with the screw holes 12. The adjusting convex ring 8 is connected with the machine body 3 integrally.
The eccentric adjusting device comprises: the mounting frame 14 is formed by connecting frame plates 13 with the same number as the adjusting screws through screws and is sleeved outside the front end of the machine body 3, the servo motors 15 are the same in number as the frame plates 13 and are in one-to-one corresponding screw connection with the frame plates 13, and the connecting shafts 16 are the same in number as the servo motors 15 and are in one-to-one corresponding key connection with output shafts of the servo motors 15; the other end of the connecting shaft 16 is correspondingly connected with the head of the adjusting screw one by one; the servo motor 15 is electrically connected with the controller 1; in this embodiment, the adjusting screw is a socket head cap screw 17, a hexagonal rod 18 in transition fit with a socket head cap hole of the socket head cap screw 17 is arranged at the other end of the connecting shaft 16, and the hexagonal rod 18 is inserted into the socket head cap hole of the socket head cap screw 17 and clamped; the mounting frame 14 has a square shape.
The online thickness detector is an X-ray online thickness detector 20 provided with a rubber tube through hole 19; the X-ray online thickness detector 20 is electrically connected to the controller 1.
The inner tube 5 comprises: a main pipe 21, an outlet pipe 22 having a rear end screwed to the main pipe 21; the mesopores 4 include: a main hole 23 in the main pipe 21, a frustum-shaped hole 24 in the outlet pipe 22 and having a large end communicating with the front end of the main hole 23; the diameter of the small end of the frustum-shaped hole 24 is in clearance fit with the outer diameter of the rubber tube.
The rubber layer eccentricity online automatic adjusting device further comprises: an evacuation tube 25 disposed in the main hole 23 and connected to the main tube 21 in an interference fit manner; the rear end of the evacuation tube 25 extends beyond the rear end of the main tube 21.
An eccentricity adjustment method of a rubber layer eccentricity online automatic adjustment device is provided, the rubber layer eccentricity online automatic adjustment device is provided with a limiting structure of the rubber layer eccentricity online automatic adjustment device, firstly, molten rubber extruded from a rubber outlet channel 10 is coated outside a rubber pipe 26 to form a rubber layer 27, the molten rubber moves forwards along with the rubber pipe through a rubber pipe through hole 19 of an X-ray online thickness detector 20, and the X-ray online thickness detector 20 detects the thickness of the rubber layer; and step two, when the X-ray online thickness detector 20 detects that the rubber layer is eccentric, a signal is transmitted to the controller 1, the controller 1 controls the servo motor 15 to start according to the eccentric direction and the eccentric value of the rubber layer, an output shaft of the servo motor 15 drives the adjusting screw to rotate through the connecting shaft 16, and the eccentric degree of the rubber layer is automatically adjusted in time, so that the eccentric degree of the rubber layer is smaller than a set value.
The invention has the beneficial effects that: the rubber layer eccentricity online automatic adjusting device finds the eccentricity when the rubber layer is eccentric, and has high eccentricity adjusting efficiency and adjusting precision. The eccentric adjusting device is simple and practical in structure, the controller drives the adjusting screw to rotate through the servo motor and the connecting shaft, and therefore the eccentricity of the rubber layer is adjusted on line to be smaller than a set value through adjusting the positions of the convex ring and the adjusting convex ring according to requirements, and adjustment accuracy is guaranteed. The online thickness detector is an X-ray online thickness detector provided with a rubber tube through hole, and is low in universal part cost and high in detection precision. The rubber tube sealing device can meet the requirements of rubber tube coating rubber layers with various diameters by exchanging the outlet tube and the die. The rubber tube is coated by the rubber layer and the combination is firm by vacuumizing through the vacuumizing tube. The eccentricity adjusting method of the rubber layer eccentricity online automatic adjusting device can meet the requirements of timely finding and high eccentricity adjusting efficiency and adjusting precision of the rubber layer eccentricity online automatic adjusting device when the rubber layer is eccentric.
It will be obvious to those skilled in the art that the present invention may be varied in many ways, and that such variations are not to be regarded as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claim.

Claims (4)

1. An on-line automatic rubber layer eccentricity adjusting device comprises: a machine head; the device is characterized in that the rubber layer eccentricity online automatic adjusting device further comprises: the online thickness detector is arranged on the front side of the machine head, the eccentric adjusting device and the controller are arranged on the machine head; the aircraft nose includes: the side wall of the machine body is provided with a rubber inlet hole, an inner pipe which is arranged in the machine body in a penetrating way and is provided with a middle hole, a mouth mold which is sleeved outside the front end of the inner pipe and is provided with an outer convex ring at the rear end, an adjusting convex ring which is arranged at the front end of the machine body and has the inner diameter larger than the outer diameter of the outer convex ring, a pressing ring which blocks the front end of the outer convex ring and is detachably connected with the front end of the adjusting convex ring, and a; a rubber outlet channel is formed between the front end of the inner tube and the mouth mold; rubber flow channels with two ends correspondingly communicated with the rear ends of the rubber inlet hole and the rubber outlet channel one by one are arranged between the inner pipe and the machine body; the adjusting convex ring side wall is provided with screw holes which have the same number as the adjusting screws and are circumferentially distributed along the axial direction of the adjusting convex ring; the screw rod of the adjusting screw presses the outer side wall of the outer convex ring and is in one-to-one corresponding threaded connection with the screw holes; the eccentric adjusting device includes: the mounting frame is formed by connecting frame plates with the same number as the adjusting screws and is sleeved outside the front end of the machine body, the servo motors with the same number as the frame plates and connected with the frame plates in a one-to-one correspondence manner, and the connecting shafts with the same number as the servo motors and one ends connected with output shafts of the servo motors in a one-to-one correspondence manner; the other end of the connecting shaft is correspondingly connected with the head of the adjusting screw one by one; the online thickness detector is an X-ray online thickness detector provided with a rubber tube through hole; the servo motor and the X-ray online thickness detector are respectively and electrically connected with the controller.
2. The automatic online eccentric adjustment device for rubber layers as claimed in claim 1, wherein said inner tube comprises: the main pipe and the outlet pipe with the rear end detachably connected with the main pipe; the mesopores include: the main hole is positioned in the main pipe, and the frustum-shaped hole is positioned in the outlet pipe and the large end of the frustum-shaped hole is communicated with the front end of the main hole; the diameter of the small end of the frustum-shaped hole is matched with the outer diameter of the rubber tube.
3. The rubber layer eccentricity on-line automatic adjusting device according to claim 1 or 2, further comprising: the vacuum tube is arranged in the main hole and connected with the main tube; the rear end of the vacuumizing pipe extends out of the rear end of the main pipe.
4. An eccentricity adjusting method of a rubber layer eccentricity online automatic adjusting device, wherein the rubber layer eccentricity online automatic adjusting device is provided with a limiting structure of the rubber layer eccentricity online automatic adjusting device as claimed in any one of claims 1 to 3, and is characterized in that step one, molten rubber extruded from a rubber outlet channel is coated outside a rubber pipe to form the rubber layer, and moves forwards along with the rubber pipe through a rubber pipe through hole of an X-ray online thickness detector, and the X-ray online thickness detector detects the thickness of the rubber layer; and secondly, when the X-ray online thickness detector detects that the rubber layer is eccentric, a signal is transmitted to the controller, the controller controls the servo motor to start according to the eccentric direction and the eccentric value of the rubber layer, an output shaft of the servo motor drives the adjusting screw to rotate through the connecting shaft, and the eccentricity of the rubber layer is automatically adjusted in time, so that the eccentricity of the rubber layer is smaller than a set value.
CN201810146607.9A 2018-02-12 2018-02-12 Rubber layer eccentricity online automatic adjusting device and eccentricity adjusting method Active CN108437394B (en)

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CN108437394B true CN108437394B (en) 2020-11-06

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Publication number Priority date Publication date Assignee Title
CN109333968B (en) * 2018-11-19 2020-06-09 江苏科技大学 Plastic tubing production is with adjustable bore specification die head
CN111204030A (en) * 2019-09-11 2020-05-29 浙江万马股份有限公司 Pipe-extruding type quick eccentric adjustment operation method
CN113362993B (en) * 2021-05-18 2022-07-22 浙江万马股份有限公司 Cloth wire with flame-retardant protective outer layer and flame-retardant protective outer layer manufacturing device
CN113363000B (en) * 2021-05-18 2022-08-02 浙江万马股份有限公司 Fireproof flame-retardant fire-resistant cable, fireproof coating and outer sheath layer manufacturing device

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CN203739190U (en) * 2014-03-10 2014-07-30 苏州金纬机械制造有限公司 Eccentric inner wall adjusting mechanism for double-walled pipe mold
CN104260321A (en) * 2014-09-28 2015-01-07 广东联塑机器制造有限公司 Intelligent mold

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