CN113844003B - Zero-degree belted layer extrusion machine head of hydraulic tire - Google Patents
Zero-degree belted layer extrusion machine head of hydraulic tire Download PDFInfo
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- CN113844003B CN113844003B CN202110739053.5A CN202110739053A CN113844003B CN 113844003 B CN113844003 B CN 113844003B CN 202110739053 A CN202110739053 A CN 202110739053A CN 113844003 B CN113844003 B CN 113844003B
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- locking frame
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- lower die
- oil cylinder
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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
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/20—Opening, closing or clamping
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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
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a hydraulic tire zero-degree belted layer extruder head which comprises an upper die, a lower die, a front locking frame, a rear locking frame, a pressing locking oil cylinder and a translation pulling oil cylinder, wherein the lower die is provided with a lower die; the upper die is in sliding connection with the fixed lower die through a translation pull-out oil cylinder; the head of the translational pulling cylinder head is connected with the lower die; the front locking frame and the rear locking frame are fixed on the lower die; the pressing locking cylinder is arranged above the front locking frame and the rear locking frame. The front locking frame, the rear locking frame and the locking oil cylinder are arranged, and the maximum output pressure of the rodless cavity is used for pressing, locking and closing the die; the upper die can be translated out by the translation pulling-out oil cylinder during die opening, so that the opening mode of the upper die for opening is changed, the automation degree of locking of the machine head is improved, the glue leakage condition is improved, and the die assembly precision is ensured; and the closing position of the upper die is detected by adopting a proximity switch, and the locking of the oil cylinder is controlled by a program.
Description
Technical Field
The invention relates to the technical field of rubber radial tire manufacturing, in particular to a zero-degree belt layer extruder head of a hydraulic tire.
Background
The zero-degree belt layer is a tire belt layer with the steel wire connecting line in the tire forming 0-5 degrees with the circumferential direction of the tire, and the width of the tire belt layer is 60mm at maximum and 150mm at maximum in general, and the tire belt layer is mainly applied to the shoulder positions of flat radial semisteel and all-steel tires, and is adopted by more and more tire factories and put into production on a large scale along with the requirements of the economical efficiency and the comfort of the current tires to form a production line. At present, the zero-degree belted layer is produced by adopting a steel wire die arrangement and a 90-degree direction extruder to extrude the adhesive, and the steel wire and the adhesive are formed in a compounding way in a machine head under the high pressure of 20-24 Mpa. At present, the zero-degree belted layer machine head adopts a mode of manually locking an upper die and a lower die by screws, and when the zero-degree belted layer machine head is locked, the screws are manually locked by a stress application rod, and the main problems of the structure are as follows: (1) Under the condition of frequent specification replacement, the locking effect of the screw is rapidly deteriorated after repeated locking and loosening due to the frequent large torque effect of the screw thread, so that the machine head cannot be completely locked, and the bonding surfaces of the upper die and the lower die are extremely easy to leak glue and have no effective measure for repairing due to high pressure in the machine head; (2) As the machine head pressure is extremely high, the effective pressure area of the machine head is increased along with the extrusion production of the zero-degree belt ply by using the extruder with larger specification, so that the required locking pressure is greatly increased, the specification of the locking screw is increased, the manual locking difficulty is increased, and time and labor are wasted when the specification is replaced. (3) When the conventional machine head is opened, an upper die is usually opened due to a mechanism, and when the machine head is closed, the machine head is usually required to be adjusted repeatedly and cannot be tightly screwed due to the existence of a rotating shaft, so that the repeated precision is difficult to ensure; (4) The manual opening and closing die adopts a stress application rod to act on the machine head, belongs to the action of external force, repeatedly impacts the connection of the machine head and the extruder, and is very unfavorable to the whole equipment.
Therefore, how to provide a reasonable in design's hydraulic tyre zero degree belted layer extruder head, change the aircraft nose mode of opening, improve aircraft nose locking degree of automation and improve the condition of leaking the glue, reduce manual work intensity, guarantee the technical problem that the compound die precision is needed to solve of a person of skill in the art.
Disclosure of Invention
The invention aims to solve at least one of the technical problems in the related art to a certain extent, and provides a hydraulic tire zero-degree belted layer extruder head which is downwards locked by the maximum output pressure of a rodless cavity through the arrangement of a front locking frame, a rear locking frame and a locking oil cylinder; the upper die can be horizontally moved out by arranging the horizontally moving and pulling-out oil cylinder, so that the existing opening mode of the upper die for opening is changed, the locking automation degree of the machine head is improved, the glue leakage condition is improved, and the die assembly precision is ensured; the closing position of the upper die is detected by adopting the proximity switch, the locking of the oil cylinder on the locking frame is controlled by a program, the automation degree is greatly improved, and the manual working intensity is reduced.
In view of the above, the invention provides a hydraulic tire zero-degree belted layer extruder head, which comprises an upper die, a lower die, a front locking frame, a rear locking frame, a pressing locking cylinder, a translation pulling cylinder and a controller; the upper die is in sliding connection with the fixed lower die through a translation pull-out oil cylinder arranged at the front part of the upper die; the head of the translational pulling cylinder head is connected with the lower die; the front locking frame and the rear locking frame are fixed on the lower die and sleeved outside the lower die and the upper die, and the front locking frame is positioned between the rear locking frame and the translational drawing oil cylinder; the plurality of pressing locking oil cylinders are respectively arranged above the front locking frame and the rear locking frame; after the upper die and the lower die are clamped, the lower pressing locking cylinder presses down and locks the upper die and the lower die to form a clamping die through the maximum output pressure of the rodless cavity; the controller is connected with the pressing locking oil cylinder and controls the locking of the pressing locking oil cylinder.
In the invention, the head of a cylinder rod of a translation pulling-out cylinder is fixedly connected with a lower die, and the translation pulling-out cylinder is arranged at the tail of an upper die and is used for sealing the end face and opening and closing the upper die.
In the invention, a front locking frame and a rear locking frame are arranged on a lower die which is fixed on a machine head, a pressing locking oil cylinder is arranged at the upper parts of the front locking frame and the rear locking frame, and the pressing locking oil cylinder is pressed and locked by the maximum output pressure of a rodless cavity of the pressing locking oil cylinder; the front part of the movable upper die is provided with a translation pull-out oil cylinder, the head of the cylinder head is connected with the lower die, and the upper die is movably moved out through the action of the translation pull-out oil cylinder, so that the sizing material can be conveniently cleaned and the die can be conveniently replaced. According to the invention, the locking of the pressing locking cylinder on the locking frame is controlled by a controller program, so that the automation degree is greatly improved, the manual working strength can be reduced, and the glue leakage is improved by pressing and locking under the maximum output pressure of the rodless cavity of the pressing locking cylinder.
Further, the machine head also comprises a limiting mechanism for positioning the maximum pull-out position of the upper die.
Further, the limiting mechanism comprises a limiting seat and a limiting groove matched with the limiting seat; the limiting seat is arranged above the upper die; the limiting groove is arranged on the front locking frame.
According to the invention, the translation pulling-out oil cylinder drives the upper die to slide in the extrusion direction of the steel wire rubberizing sizing material until the limiting seat fixed on the upper die is contacted with the limiting groove on the front locking frame, so that the upper die is pulled out of the maximum position.
Further, through grooves are formed in the rear locking frame and are matched with the limiting seat, and the limiting seat can pass through the through grooves.
According to the invention, the translation pulling-out oil cylinder drives the upper die to slide in the opposite direction of the extrusion of the steel wire rubberizing sizing material until the limit seat fixed on the upper die passes through the through groove arranged on the rear locking frame, and after the accurate die assembly of the upper die and the lower die is confirmed, the locking of the lower pressing locking oil cylinder on the locking frame is controlled by a controller program.
Furthermore, positioning fit devices are respectively arranged on the front locking frame, the rear locking frame and the lower die to realize the positioning of the front locking frame, the rear locking frame and the lower die; the positioning fit device comprises a convex positioning groove and a groove, wherein the convex positioning groove and the groove are respectively arranged on the front locking frame and the rear locking frame; the convex positioning groove is matched with the groove.
Further, sliding rods are arranged on two sides of the upper die; the sliding rods are symmetrically arranged on two sides of the front locking frame and the rear locking frame, so that stable operation of the upper die is ensured.
The sliding rod is arranged in the invention, so that the upper die is stably pulled out by the translation pulling-out oil cylinder, and the sizing material is convenient to clean and the die is convenient to replace; and the pull-out of the upper die is further limited, so that the die assembly precision is controlled.
Further, the front locking frame and the rear locking frame are in a closed frame shape and are fixedly connected to the outer side of the lower die through screws.
In the invention, the front locking frame and the rear locking frame are closed frames, the locking force is in an internal force form, the structure is better than that of a manual form, and the manual operation is only limited to cleaning sizing materials and replacing extrusion tools, so that the working strength is greatly reduced.
Further, the number of the pressing locking cylinders is four, and the pressing locking cylinders are symmetrically arranged in the middle of the upper parts of the front locking frame and the rear locking frame respectively.
Further, the machine head also comprises a flange; the flange is fixedly arranged on the lower die and positioned outside the rear locking frame.
The flange is arranged to limit the fixed rear locking frame.
Further, a proximity switch is further arranged on the upper die and used for detecting the position of the upper die.
In the invention, the closing position of the upper die is detected by adopting the proximity switch, so that the accuracy is ensured for forming the die assembly of the upper die and the lower die, and the glue leakage condition is improved.
Through the technical scheme, the invention provides the hydraulic tire zero-degree belt extrusion machine head, which has the following technical effects: the front locking frame, the rear locking frame and the locking oil cylinder are arranged, and the maximum output pressure of the rodless cavity is used for pressing and locking; the upper die can be horizontally moved out by arranging the horizontally moving and pulling-out oil cylinder, so that the existing opening mode of the upper die for opening is changed, the locking automation degree of the machine head is improved, the glue leakage condition is improved, and the die assembly precision is ensured; the closing position of the upper die is detected by adopting the proximity switch, the locking of the oil cylinder on the locking frame is controlled by a program, the automation degree is greatly improved, and the manual working intensity is reduced.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a prior art zero degree belt production extruder head.
Fig. 2 is a schematic diagram of manual up-and-down locking and die closing of a machine head by using screws in the prior art.
Fig. 3 is a schematic diagram of a machine head structure in a mold opening mode according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a machine head structure in a mold clamping mode according to an embodiment of the present invention.
Fig. 5 is a front view of a handpiece in an open mode according to an embodiment of the present invention.
Fig. 6 is a front view of a machine head in a mold clamping mode according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a limiting mechanism according to an embodiment of the present invention.
Fig. 8 is a front view of a positioning engaging device according to an embodiment of the present invention.
Fig. 9 is a schematic diagram of a method for operating a handpiece according to an embodiment of the present invention.
Wherein 1 is an upper die, 2 is a lower die, 3 is a downward-pressing locking cylinder, 4 is a translation pulling cylinder, 5-1 is a front locking frame, 5-2 is a rear locking frame, 5-3-screws, 6 is a positioning fit device, 6-1 is a convex positioning groove, 6-2 is a groove, 7 is a sliding rod, 8 is a positioning mechanism, 8-1 is a positioning seat, 8-2 is a positioning groove, 9 is a flange, 10 is a proximity switch, and 11 is a through groove.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
As shown in figure 1, the existing extruder for producing the zero-degree belt layer is used for extruding the rubberizing machine head, a steel wire die is adopted for arranging, a 90-degree direction extruder is added for extruding the rubberizing, and the machine head is compositely molded under the high pressure of 20-24 Mpa. The existing zero-degree belted layer machine head adopts a mode of manually locking an upper die and a lower die up and down by screws, and a nut is locked by a force-applying rod manually during locking, as shown in fig. 2.
As shown in fig. 3-6, the embodiment provides a hydraulic tire zero-degree belted layer extruder head, which comprises an upper die 1, a lower die 2, a front locking frame 5-1, a rear locking frame 5-2, a pressing locking cylinder 3, a translation pulling cylinder 4 and a controller; wherein, the upper die 1 is in sliding connection with the fixed lower die 2 through a translation pull-out oil cylinder 4 arranged at the front part of the upper die; the head of the translational pulling-out cylinder 4 is connected with the lower die 2; the front locking frame 5-1 and the rear locking frame 5-2 are respectively fixed on the lower die 2 and sleeved outside the lower die 2 and the upper die 1; the front locking frame 5-1 is positioned between the rear locking frame 5-2 and the translational drawing cylinder 4; the plurality of pressing locking cylinders 3 are respectively arranged above the front locking frame 5-1 and the rear locking frame 5-2; after the upper die 1 and the lower die 2 are matched, the lower pressing locking cylinder 3 presses down and locks the upper die 1 and the lower die 2 through the maximum output pressure of the rodless cavity; the controller is respectively connected with the pressing locking oil cylinders 3 to control the locking of the pressing locking oil cylinders 3.
In this embodiment, the head of the cylinder head of the translational drawing cylinder 4 is connected with the lower die 2, and the translational drawing cylinder 4 is disposed at the tail of the upper die 1 and is used for sealing the end surface and opening and closing the upper die 1.
In this embodiment, a front locking frame 5-1 and a rear locking frame 5-2 are disposed on a stationary lower die 2 of the machine head, in this embodiment, the lower die 2 is detachably connected or fixedly connected with the front locking frame 5-1 and the rear locking frame 5-2, which can be specifically understood as being fastened and connected by screws 5-3, at least two pressing locking cylinders 3, preferably four pressing locking cylinders 3, are designed at the upper parts of the front locking frame 5-1 and the rear locking frame 5-2, and pressing locking is performed by the maximum output pressure of a rodless cavity of the pressing locking cylinders 3. The front part of the movable upper die 1 is provided with a translation pull-out oil cylinder 4, the head of the cylinder rod is fixedly connected with the lower die 2, and the upper die 1 is movably moved out through the action of the translation pull-out oil cylinder 4, so that the sizing material can be conveniently cleaned and the die can be conveniently replaced. In the embodiment, the locking cylinder 3 is controlled to be locked by the controller program, so that the automation degree is greatly improved, the manual working intensity can be reduced, and the glue leakage is improved by pressing and locking the maximum output pressure of the rodless cavity of the locking cylinder 3.
To further optimize this embodiment, the handpiece further includes a limiting mechanism 8, as shown in fig. 7, for positioning the maximum pulled-out position of the upper die 1.
For further optimizing the embodiment, the limit mechanism 8 comprises a limit seat 8-1 and a limit groove 8-2 matched with the limit seat 8-1; the limit seat 8-1 is arranged above the upper die 1; the limit groove 8-2 is arranged on the front locking frame 5-1. In this embodiment, the limit seat 8-1 is fixed on the upper die 1 by the screw 5-3, and is matched with the limit groove 8-2 which is arranged on the front locking frame 5-1 and is matched with the limit seat 8-1, so as to position the maximum pull-out position of the upper die 1.
The translation pulling-out oil cylinder 4 drives the upper die 1 to slide in the extrusion direction of the steel wire rubberizing sizing material until the limiting seat 8-1 fixed on the upper die 1 contacts with the limiting groove 8-2 on the front locking frame 5-1, and the upper die 1 is pulled out of the maximum position.
In order to further optimize the present embodiment, the rear locking frame 5-2 is provided with a through slot 11 as shown in fig. 8, and the through slot 11 is adapted to the limit seat 8-1, so that the limit seat 8-1 passes through the through slot 11.
In the embodiment, the translation and pull-out oil cylinder 4 drives the upper die 1 to slide in the opposite direction of the extrusion of the steel wire rubberizing sizing material until the limit seat 8-1 fixed on the upper die 1 passes through the through groove 11 arranged on the rear locking frame 5-2, so that the upper die 1 and the lower die 2 are accurately matched.
In order to further optimize the embodiment, positioning fit devices 6 are respectively arranged on the front locking frame 5-1, the rear locking frame 5-2 and the lower die 2 as shown in fig. 8, so that the front locking frame 5-1, the rear locking frame 5-2 and the lower die 2 are positioned; the positioning fit device 6 comprises a convex positioning groove 6-1 arranged on the front locking frame 5-1 and the rear locking frame 5-2 and a groove 6-2 arranged on the lower die 2; the convex positioning groove 6-1 is matched with the groove 6-2.
In this embodiment, the convex positioning groove 6-1 is understood to be respectively arranged at the connection part of the lower inner part and the lower die 2 below the front locking frame 5-1 and the rear locking frame 5-2; the groove 6-2 is arranged below the lower die 2 and is connected with the front locking frame 5-1 and the rear locking frame 5-2. Preferably, the number of the grooves 6-2 is two, and the grooves are matched with the convex positioning grooves 6-1 to form clamping and fixing positions of the front locking frame 5-1 and the rear locking frame 5-2 and the lower die 2. In the embodiment, the front locking frame 5-1 and the rear locking frame 5-2 are in a closed frame shape, the locking force is in an internal force form, the structure is better than that of a manual form, and the manual operation is only limited to cleaning sizing materials and replacing extrusion tools, so that the working strength is greatly reduced.
To further optimize the present embodiment, the upper die 1 is further provided with a slide bar 7; the sliding rods 7 are symmetrically arranged on two sides of the front locking frame 5-1 and the rear locking frame 5-2, so that the upper die 1 can run stably.
In this embodiment, the sliding rod 7 passes through the front locking frame 5-1 and the rear locking frame 5-2 respectively, and is fixed on the front locking frame 5-1 and the rear locking frame 5-2, the upper die 1 is arranged between the sliding rods 7 on both sides, and the upper die 1 and the translational pull-out cylinder 4 are both pushed in and pulled out along the sliding rod 7 smoothly. The sliding rod 7 is arranged in the embodiment, so that the upper die 1 is stably pulled out by the translation pulling-out oil cylinder 4, and sizing material is conveniently cleaned and the die is conveniently replaced; and the pulling-out of the upper die 1 is further limited, so that the die assembly precision is controlled.
In order to further optimize the embodiment, the front locking frame 5-1 and the rear locking frame 5-2 are in a closed frame shape and are fixedly connected to the outer side of the lower die 2 through screws 5-3.
In order to further optimize the embodiment, the number of the pressing locking cylinders 3 is four, and the pressing locking cylinders are symmetrically arranged in the middle above the front locking frame 5-1 and the rear locking frame 5-2 respectively.
To further optimize the present embodiment, the handpiece further comprises a flange 9; the flange 9 is fixedly arranged on the lower die 2 and is positioned outside the rear locking frame 5-2. The flange 9 in this embodiment is provided to limit the fixed rear locking frame 5-2.
To further optimize the present embodiment, the upper die 1 is further provided with a proximity switch 10 for detecting the position of the upper die 1. In this embodiment, the proximity switch 10 is used to detect the closing position of the upper die 1, so as to ensure accuracy of die assembly for forming the upper die 1 and the lower die 2, and improve the glue leakage condition.
The principle and the using method of the handpiece are provided in the embodiment as shown in fig. 9: when the machine head is opened, all the downward pressing locking cylinders 3 retract, the locking heads of the downward pressing locking cylinders 3 are 10mm away from the upper surface of the upper die 1, the translational pulling cylinder 4 drives the upper die 1 to slide along the upper sliding rods 7 fixed on the front locking frame 5-1 and the rear locking frame 5-2, and the upper die 1 slides in the extrusion direction of the steel wire rubberizing sizing material until the limiting seat 8-1 fixed on the upper die 1 contacts with the limiting groove 8-2 on the front locking frame 5-1, so that the upper die 1 is pulled out of the maximum position; when the machine head is closed, the translation pull-out oil cylinder 4 drives the upper die 1 to slide along the sliding rod 7 fixed on the front locking frame 5-1 and the rear locking frame 5-2 in the opposite direction of extrusion of the steel wire glue spreading glue stock until the limit seat 8-1 fixed on the upper die 1 passes through the through groove 11 arranged on the rear locking frame 5-2, and the closing position of the upper die 1 is detected by the proximity switch 10, so that after the accurate die assembly of the upper die 1 and the lower die 2 is confirmed, the locking of the lower pressing locking oil cylinder 3 on the locking frame is controlled by a controller program.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The hydraulic tire zero-degree belted layer extruder head is characterized by comprising an upper die, a lower die, a front locking frame, a rear locking frame, a pressing locking cylinder, a translation pulling cylinder, a limiting mechanism and a controller;
the upper die is in sliding connection with the fixed lower die through the translation pull-out oil cylinder arranged at the front part of the upper die; the head of the translational pull-out oil cylinder rod is connected with the lower die; the front locking frame and the rear locking frame are fixed on the lower die and sleeved outside the lower die and the upper die, and the front locking frame is positioned between the rear locking frame and the translation pulling-out oil cylinder; the plurality of pressing locking oil cylinders are respectively arranged above the front locking frame and the rear locking frame; after the upper die and the lower die are clamped, the lower pressing locking oil cylinder downwards presses and locks the upper die and the lower die through the maximum output pressure of the rodless cavity; the controller is connected with the pressing locking oil cylinder and used for controlling the pressing locking oil cylinder to lock; the limiting mechanism is used for positioning the maximum pull-out position of the upper die and comprises a limiting seat and a limiting groove matched with the limiting seat; the limiting seat is arranged above the upper die; the limiting groove is arranged on the front locking frame; the rear locking frame is provided with a through groove which is matched with the limiting seat, so that the limiting seat passes through the through groove.
2. The extruder head of claim 1 wherein positioning engagement means are provided on said front locking frame, said rear locking frame and said lower die, respectively, for positioning said front locking frame, said rear locking frame and said lower die, respectively; the positioning fit device comprises convex positioning grooves arranged on the front locking frame and the rear locking frame and grooves arranged on the lower die; the convex positioning groove is matched with the groove.
3. The extruder head of claim 2 wherein slide bars are further provided on both sides of the upper die; the sliding rods are symmetrically arranged on two sides of the front locking frame and the rear locking frame, and smooth running of the upper die is guaranteed.
4. The extruder head according to claim 2, wherein the front locking frame and the rear locking frame are closed frame-shaped and are fastened and connected to the outer side of the lower die by screws.
5. The extruder head of claim 2 wherein the number of said push-down locking cylinders is four and symmetrically disposed in the middle above said front locking frame and said rear locking frame, respectively.
6. The extruder head of claim 2 wherein the head further comprises a flange; the flange is fixedly arranged on the lower die and positioned outside the rear locking frame.
7. Extruder head according to claim 2, characterized in that the upper die is further provided with a proximity switch for the upper die position detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110739053.5A CN113844003B (en) | 2021-06-30 | 2021-06-30 | Zero-degree belted layer extrusion machine head of hydraulic tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110739053.5A CN113844003B (en) | 2021-06-30 | 2021-06-30 | Zero-degree belted layer extrusion machine head of hydraulic tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113844003A CN113844003A (en) | 2021-12-28 |
| CN113844003B true CN113844003B (en) | 2023-08-15 |
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| CN202110739053.5A Active CN113844003B (en) | 2021-06-30 | 2021-06-30 | Zero-degree belted layer extrusion machine head of hydraulic tire |
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| CN216001377U (en) * | 2021-06-30 | 2022-03-11 | 桂林橡胶设计院有限公司 | Extrusion machine head for zero-degree belt of hydraulic tire |
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2021
- 2021-06-30 CN CN202110739053.5A patent/CN113844003B/en active Active
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| EP1103391A1 (en) * | 1999-11-23 | 2001-05-30 | Société de Technologie Michelin | Apparatus for co-extruding elastomeric compounds |
| JP2003136532A (en) * | 2001-11-01 | 2003-05-14 | Yokohama Rubber Co Ltd:The | Mold clamping fixing device in tire vulcanization apparatus |
| CN203854233U (en) * | 2014-05-05 | 2014-10-01 | 南京凯驰机械有限公司 | Extrusion tablet press head locking device |
| CN108202490A (en) * | 2016-12-20 | 2018-06-26 | 固特异轮胎和橡胶公司 | For producing the equipment of lamination type fabric plies band |
| CN208375947U (en) * | 2018-06-28 | 2019-01-15 | 桂林市君威机电科技有限公司 | A kind of novel combination type slide plate rubber filtering cross-head |
| CN216001377U (en) * | 2021-06-30 | 2022-03-11 | 桂林橡胶设计院有限公司 | Extrusion machine head for zero-degree belt of hydraulic tire |
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