WO2017018960A2 - Machine à souder en bout comprenant un couteau pour un tube plastique - Google Patents

Machine à souder en bout comprenant un couteau pour un tube plastique Download PDF

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Publication number
WO2017018960A2
WO2017018960A2 PCT/TR2016/050243 TR2016050243W WO2017018960A2 WO 2017018960 A2 WO2017018960 A2 WO 2017018960A2 TR 2016050243 W TR2016050243 W TR 2016050243W WO 2017018960 A2 WO2017018960 A2 WO 2017018960A2
Authority
WO
WIPO (PCT)
Prior art keywords
cutter
shaft
bearing
welding machine
butt welding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/TR2016/050243
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English (en)
Other versions
WO2017018960A3 (fr
Inventor
Ahmet Koyun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2017018960A2 publication Critical patent/WO2017018960A2/fr
Publication of WO2017018960A3 publication Critical patent/WO2017018960A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B29C65/2092—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" and involving the use of a facer
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02241—Cutting, e.g. by using waterjets, or sawing
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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

Definitions

  • This invention is related to a butt welding machine comprising a cutter for cutting plastic pipes before they are joined via the butt welding process.
  • the butt welding process of the plastic pipes gains importance and the butt welding machines for plastic pipes are developed in order to perform said welding process.
  • these machines trim the unevennesses on the butt surfaces of the plastic pipes via their cutters.
  • the cutter is removed from the machine and a heating plate is positioned between these two pipes and the pipes are approached until they contact to the heating plate.
  • the heating process is continued until the thermoplastic material on the butt surfaces of the pipes becomes semi-fluid in the butt welding process for plastic pipes. Then, the heating plates are removed from the machine and the pipes are pressed to each other under a certain pressure during a certain time period according to the international standards such that their butts contact with each other. Beading occurs at the butts of the pipes with the effect of this pressure and therefore two pipes are welded to each other. Before the butt welding process for plastic pipes, the cutter is removed from the welding machine after the adjusting process of the unevennesses on the butt surfaces of the pipes.
  • the cutter which needs to be positioned on the machine and removed continuously for the butt welding is very heavy and hard to carry.
  • pressing of the cutter to the pipe during cutting is changeable in the existing systems.
  • the moment on the cutter is not constant and it changes between a maximum and a minimum moment.
  • the thickness of shavings removed from the material by the cutter increases when the maximum moment is applied and this causes that the cutter squeezes between two pipes especially in the big machines. Because of the squeezing, it can be necessary that the machine is opened back and two pipes are removed from the cutter and pressed again. Because it removes much less shavings at the minimum torque, the cutting time is getting longer. In case that the cutter squeezes between two pipes and the maximum moment occurs, a stress formation occurs at the chassis of the machine and this stress formation decrease the life of the machine.
  • the aim of this invention is to realize a butt welding machine comprising a cutter for plastic pipes whose usage is made easier.
  • a moving claw positioned such that it holds a plastic pipe which is processed
  • a fixed claw positioned such that it holds a second plastic pipe which is processed
  • two holders positioned such that it fixes the butts of said pipes processed which are at the cutter side
  • a shaft transmitting the motion energy to the driving disc from the power unit for driving the cutter.
  • the butt welding machine comprises two shafts wherein one of it is a single lower shaft and the other is a single upper shaft, which provide bearing to at least one movable claw, the fixed claw, holders, cutter for each from one end of each, and at the same time wherein the cutter and at least one movable claw is driven from.
  • the upper shaft comprises an upper driving shaft which provides driving and and an upper bearing shaft which provides bearing.
  • the lower shaft comprises a lower driving shaft which provides driving and a lower bearing shaft which provides bearing.
  • the cutter and/or the movable claw are driven from the upper driving shaft and lower driving shaft.
  • the butt welding machine comprises at least one shaft comprising a drive transmission element such as thread, belt, chain or trigger for using driving element.
  • the cutter comprises the knife disc having at least one trimmer on its one face or two faces (seeing opposite directions) for adjusting the butts of two plastic pipes at the cutting area at the same time.
  • This disc comprising knives on itself comprises the geared part which provides driving of the cutter at the same time.
  • the cutter is driven via the disc comprising knife on one face of the cutter, a separate disc comprising knife on the other face and a gear drive.
  • the gear is at one of the two discs or exists as a separate gear at the middle.
  • the cutter comprises a driving disc which is driven from at least one desired point which is from the bottom, side or top.
  • the cutter has a driving disc which is driven via friction without the gear drive.
  • the driving disc comprises a gear which makes bearing and drive transmission easier and such that it transmits the cutting moment transmission.
  • the cutter comprises gear combinations with different sizes and amounts for providing that the machine works with different speeds.
  • the cutter also comprises at least one ball or a different kind (plain) bearing disc in order that the driving disc rotates around its own axis easily.
  • the cutter comprises one knife disc having at least one knife or two thin structured multiknife discs which have at least one knife for each on itself.
  • the cutter comprises a lower bearing fixing element for fixing the lower bearing to the shaft where it is attached during the cutting process.
  • the butt welding machine comprises the main power unit comprising a motor or hydraulic or pneumatic structure.
  • the butt welding machine comprises a cutter beared by using plain bearing or roller bearing of which covers at least semi circle of the cutter beginning from the point where it is driven.
  • bearing application at another point of the cutter is performed with two or one shaft where the cutter is attached.
  • Figure 1- It is the schematic view of the disclosed butt welding machine with the cutter.
  • Figure 2- It is the view of an embodiment of the disclosed butt welding machine with the cutter.
  • FIG. 3- It is the perspective view of the cutter which the cutter driving shaft is attached to in the invention.
  • FIG. 4 It is the front view of the cutter in the invention.
  • FIG 5- It is the view of the A- A section of the cutter in the Figure 4.
  • FIG. 6 It is the side view of the cutter which the cutter driving shaft is attached to in the invention.
  • Figure 8- It is the front view of the cutter in the embodiment with two knives in the invention.
  • Figure 9- It is the front view of the cutter in the embodiment with three knives in the invention.
  • Figure 10- It is the perspective view of the one geared version of the cutter in an embodiment of the invention.
  • FIG 11- It is the view of the cutter shown in the Figure 10 which is mounted to the butt welding machine.
  • Figure 12- It is the perspective view of the two geared version of the cutter in another embodiment of the invention.
  • FIG 13- It is the front view of the cutter in the Figure 12.
  • Figure 14- It is the view of the A- A section of the cutter in the Figure 13.
  • the numbers in the figures of the pieces of the cutter of the disclosed butt welding machine for plastic pipes and of the butt welding machine where said cutter is used are shown:
  • the disclosed butt welding machine (2) of the invention comprises a chassis (20) which is at the lower side of the machine (2) and provides support to the machine (2), a main power unit (21) which provides driving of the machine (2) and a movable claw (24), an upper shaft (235) which performs bearing and/or driving, a heater (26), a fixed claw (27), a lower shaft (301) which performs bearing and/or driving and two holders (32 and 33).
  • the disclosed butt welding machine (2) of the invention comprises a cutter (1).
  • the cutter (1) comprises an upper fixed bearing (10), a bearing disc (11), a knife disc (12), at least one trimmer (13), a lower fixed bearing (14), a lower bearing fixing element (15), a driving disc (16) and balls (17).
  • the trimmer (13) is a knife in the preferred embodiment of the invention.
  • the lower bearing fixing element (15) is preferably a pin and it is called as the lower fixed bearing pin (15) in the description.
  • the upper shaft (235) and the lower shaft (301) provide bearing to the fixed claw (27), holders (32, 33), heater (26), cutter (1) and movable claw (24) from their one ends for each.
  • the upper shaft (235) and the lower shaft (301) are used for driving these elements (27, 32, 26, 1, 33) at the same time.
  • two shafts are used totally for bearing and driving.
  • the cutter (1) can be driven from the lower shaft (301) or upper shaft (235) or from both of them (301 and 235). It is provided that the driving machine is adapted to the environmental conditions of where it exist more easily with this structure. This situation also provides ease of use.
  • the upper shaft (235) comprises an upper driving shaft (23) and an upper bearing shaft (25).
  • the lower shaft (301) comprises a lower driving shaft (31) and a lower bearing shaft (30).
  • the upper driving and upper bearing shaft (23, 25) are positioned as two separate shafts independent from each other.
  • the lower driving shaft and lower bearing shaft (31, 30) are also positioned as two separate shafts independent from each other.
  • the cutter (1) can be driven from any of shafts (23, 25, 28, 29, 30, 31) that it comprises (on itself) in any of embodiment of the invention.
  • driving of the cutter (1) can be made separately via a lower driving shaft (31) taken from the main driving system of the welding machine (2) and differently it can be made via the upper driving shaft (23) or upper bearing shaft (25) or side bearing shaft (28) or lower bearing shaft (30) or a cutter driving shaft (29) positioned additionally, (when driving is from the bearing shafts, the name of shaft does not remain as bearing shaft)
  • this cutter (1) design that the cutter (1) is driven by the upper bearing shaft (25) from inside of the cutter (1) bearing covering the upper bearing shaft (25) in case of the usage of this shaft (25) like a rotating driving shaft.
  • the driving disc (16) is in a structure allowing that it is moved via a shaft and it comprises at least one protrusion such as threads.
  • the disclosed butt welding machine (2) of the invention comprises the driving disc (16) with one thread, two threads or three threads providing being driven from only the lower shaft (301), only upper shaft (235) or two shafts (301, 235) together.
  • the shaft upper bearing (10) comprised by the cutter (1) comprises at least one gear. Working of the machine (2) with different speeds is provided via gear combinations with different size and amounts.
  • the holders (32, 33) are positioned as one first and one second holder (32, 33) such that there are one holder for each two sides of the cutter (1) for fixing the ends of pipes which are at the cutter (1) side.
  • the first and second holders (32, 33) are movable claws.
  • the fixed claw (27), first holder (32), heater (26), cutter (1), second holder (33), movable claw (24) are positioned from left to right respectively. All of these elements (27, 32, 26, 2, 33, 24) are in the circular form (such as disc) and their connections to the related shafts (23, 25, 28, 29, 30, 31) are made for being driven.
  • a first plastic pipe is passed through the fixed claw (27) and the first holder (32) and it is approached to the heater (26) and/or the cutter (1).
  • a second pipe is passed through the movable claw (24) and second holder (33) at the opposite direction and it is approached to the heater (26) and/or the cutter (1).
  • the fixed claw (27), heater (26), cutter (1), movable claw (24) and holders (32, 33) are attached to the upper bearing shaft (25) from one end and to the lower bearing shaft (30) from the other end.
  • the cutter (1) is also connected with the cutter driving shaft (29).
  • This driving shaft (29) can be at another perspective of the machine (2).
  • this shaft (29) is the shaft that provides the welding machine's (2) moving forward-backward (namely; its motion) at the same time.
  • this shaft (29) is a pinion geared shaft driving the threads on the beared disc (11) of cutter (1).
  • the main power unit (21) provides the transmission of motion to the related units by driving the upper driving shaft (23) and lower driving shaft (31).
  • the main power unit (21) is an electric motor.
  • the movable claw (24) holds one of the plastic pipes.
  • the movable claw (24) performs axial movement on the upper bearing shaft (25), side bearing shaft (28) and lower bearing shaft (30) via the upper driving shaft (23) and lower driving shaft (31).
  • the pipes are approached to each other via said axial motion.
  • the fixed claw (27) holding the second pipe is fixed by the upper bearing shaft (25), side bearing shaft (28) and lower bearing shaft (30).
  • the cutter (1) is fixed by the upper bearing shaft (25), side bearing shaft (28) and lower bearing shaft (30) like the movable claw (24) and fixed claw (24).
  • the cutter (1) does not comprise any power unit on itself in the disclosed butt welding machine (2) of the invention.
  • the cutter (1) is driven by the driving shaft (29) which is worked by the main power unit (21) that the butt welding machine (2) comprises in the invention.
  • This cutter driving shaft (29) can be driven also by a different motor drive not by the main driving shaft of the butt welding machine (2).
  • the cutter (1) is driven from outside via the driving disc (16) at the cutter (1).
  • the cutter bearing disc (11) comprises balls (17).
  • the balls (17) provides that the driving disc (16) is rotated around its axis easily.
  • the driving disc (16) rotates the knife disc (12) by rotating via balls (17) during driving of the cutter (1).
  • At least one knife (13) is positioned on the knife disc (12).
  • the driving disc (16) is positioned at an edge of the bearing disc (11) such that it makes driving of the cutter (1) easier and it can be positioned at any region at the inner or outer wall of the bearing disc (11) according to the embodiments of the invention.
  • the cutter (1) which forms via one or double plates and bearing of this plate by plain or ball (17) bearing is beared in the bearing disc (11) by using roller or plain bearing such that it covers at least its semi circle from the point where it is driven. Therefore, the bearing disc (11) can be in a form that makes its rotation easier by bearing in the semi circle or knife disc (12).
  • the disc (16) consisting of the self geared part which is normally on the one or two discs can be used in a driving disc structure that can be driven via friction.
  • the upper fixed bearing (10) which is at the top side of the cutter (1) is beared to the upper bearing shaft (25) of the butt welding machine (2).
  • the upper fixed bearing (10) provides rotating of the cutter (1) around the upper fixed bearing shaft (25).
  • the upper fixed bearing (10) is preferably in a hollow cylindrical form. In another use, upper fixed bearing (10) may be removed from the bearing shaft (25) and is used in a half-round and mobile form in an application of which the upper fixed bearing (10) does not surround the fixed bearing shaft totally.
  • the cutter bearing disc (11) performs bearing to the cutter knife disc (12).
  • the knives (13) on the cutter knife disc (12) performs the cutting process of the butts of plastic pipes.
  • the cutter knife disc (12) comprises one disc or two thin structured discs. In case that there are two disc, the discs are positioned back to back such that their knife part remains at the outside and they can be rotated towards different or same directions according to the embodiments of the invention.
  • the axial length of the cutter (1) (its thickness and mass) decreases and because the total weight of the butt welding machine (2) decreases, less power is required to move the pipes and total time which is spent for work to be done decreases. Therefore, the butt welding machine (2) increases the working potential of the cutter (1) in a unit of time.
  • the cutter (1) consisting of a single disc beared comprises trimmer (13) on both of two surfaces of the cutter (1). Therefore, the butts of the pipes positioned at both of two sides of the cutter (1) can also be trimmed via knife or knives on two sides of a single disc at the same time.
  • the cutter (1) of the butt welding machine (2) comprises two or three knives (13).
  • the knife amount is not a distinctive property.
  • the lower fixed bearing (14) of the cutter (1) is attached to the lower bearing shaft (30) of the welding machine (2).
  • the lower fixed bearing (14) is in a form such that it can be attached to the shaft and detached and it is preferably in a hollow semi circular form.
  • the lower fixed bearing (14) is fixed to the lower bearing shaft (30) via the lower fixed bearing pin (15) that the cutter (1) comprises and therefore, its unintentional detaching from the shaft is prevented.
  • the lower fixed bearing (14) is detached from the lower bearing shaft (30) by removing (pulling) the pin (15) and rotated towards the upper fixed bearing (10).
  • This motion provides that the upper fixed bearing (10) rotates around the upper bearing shaft (25) and therefore, the cutter (1) is taken out of the machine (2) by being separated from the shaft axes.
  • the upper fixed bearing (10) is formed such that its one part is in a partial open form like the lower fixed bearing (14) and fixing is provided via a connector such as the pin and it is separated from the shaft completely when necessary. Fixing the lower fixed bearing (14) with the lower fixed bearing pin (15) provides that the cutter (1) of the butt welding machine (2) remains stable by preventing its shift from the axis during the cutting process and the butt surfaces of plastic pipes are formed smoothly.
  • the driving disc (16) performs the cutting process by rotating the cutter knife disc (12) which the disc (16) is connected to due to the knives (13) on it.
  • the cutter (1) of the butt welding machine (2) comprises the driving disc (16) with double threads. Because the cutters (1) with the driving disc (16) with double threads run all driving system via the bearing and drive transmission mechanism between two discs (16), the width formed by the discs (16) is different from the width of the cutter (1). After the cutting process finishes, the cutter (1) is taken out of the machine (2) easily and the heater (26) is added instead of it. The heating process is continued under a certain pressure for a while. When the desired parameters are provided, the heater (26) is taken out of the machine (2).
  • the cutter (1) can be carried easily because it does not comprise any power unit such as motor, hydromotor, reducer manual driving element and it is lighter.
  • the cutter (1) is beared on the machine (2) by being settled onto the shafts used in the welding and therefore, attaching and detaching of the cutter (1) is not necessary and usage of the cutter (1) becomes much easier.
  • the cutter (1) can be driven independently from the butt welding machine (2) via an independent external power unit which can drive only the cutter (1) and via the shaft connected to the power unit and also via the gear on this shaft.
  • the pressing process of the pipes to each other can be performed manually or mechanically via a forward-backward motor and also hydraulically or pneumatically.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne une machine à souder en bout (2) comprenant un palier supérieur (10), un disque à couteaux (12) comprenant au moins une cisaille à rogner (13) pour ajuster les extrémités de tubes plastiques, un disque de palier (11) réalisant le support pour le disque à couteaux (12), un palier inférieur (14) pour attacher un autre arbre et un dispositif de coupe (1) ayant un disque d'entraînement (16) pour déplacer le disque à couteaux (12) en étant entraîné, une griffe mobile (24) positionnée de sorte qu'elle tient un tube plastique à traiter, une griffe fixe (27) positionnée de sorte qu'elle tient un second tube à traiter, deux supports (32, 33) positionnés de sorte qu'ils fixent les extrémités desdits tubes à traiter du côté du dispositif de coupe (1); comprenant une unité d'énergie principale (21) positionnée sans contact direct avec le dispositif de coupe (1) et un arbre (23 et/ou 25 et/ou 28 et/ou 29 et/ou 30 ou 31) transmettant l'énergie de mouvement qu'il reçoit de l'unité d'énergie (21) au disque d'entraînement (16) pour entraîner le dispositif de coupe (1).
PCT/TR2016/050243 2015-07-28 2016-07-28 Machine à souder en bout comprenant un couteau pour un tube plastique Ceased WO2017018960A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201509329 2015-07-28
TR2015/09329 2015-07-28

Publications (2)

Publication Number Publication Date
WO2017018960A2 true WO2017018960A2 (fr) 2017-02-02
WO2017018960A3 WO2017018960A3 (fr) 2017-03-16

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JP7492659B1 (ja) 2023-03-22 2024-05-30 中鉄一局集団市政環保工程有限公司 大口径ｐｅパイプ溶着設備

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CN203045804U (zh) 2012-11-13 2013-07-10 杭州轻良机械有限公司 一种pe管的端面切削装置

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AU4254296A (en) * 1994-11-21 1996-06-17 Ulrike Richter Butt-welding device for pipes made of thermoplastic materials

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Publication number Priority date Publication date Assignee Title
CN203045804U (zh) 2012-11-13 2013-07-10 杭州轻良机械有限公司 一种pe管的端面切削装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7492659B1 (ja) 2023-03-22 2024-05-30 中鉄一局集団市政環保工程有限公司 大口径ｐｅパイプ溶着設備

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