CN110142815B - Corrugated pipe manufacturing method - Google Patents
Corrugated pipe manufacturing method Download PDFInfo
- Publication number
- CN110142815B CN110142815B CN201910464634.5A CN201910464634A CN110142815B CN 110142815 B CN110142815 B CN 110142815B CN 201910464634 A CN201910464634 A CN 201910464634A CN 110142815 B CN110142815 B CN 110142815B
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- Prior art keywords
- corrugated pipe
- connecting plate
- cutter
- rod
- connecting rod
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/157—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
- B26D1/18—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
- B26D7/2621—Means for mounting the cutting member for circular cutters
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- 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
- B29D23/00—Producing tubular articles
- B29D23/18—Pleated or corrugated hoses
Abstract
The invention discloses a method for manufacturing a corrugated pipe, which comprises the following steps: a. feeding: putting the raw materials into a vacuum feeding machine, and fully mixing the raw materials in the feeding machine; b. plasticizing: putting the mixture into an extruding machine for heating and plasticizing to enable the raw materials to be in a molten state, and extruding the molten raw materials according to a required shape through the mutual matching of the extruding machine and an extruding mould; c. molding: putting the extruded raw materials into a corrugated pipe forming machine to obtain a corrugated pipe prototype; d. and (3) cooling: introducing the corrugated pipe into a spray water tank, and performing spray treatment on the surface of the corrugated pipe to enable the surface of the corrugated pipe to be in a room temperature state; e. cutting: the corrugated pipe is led into a cutting machine, and the corrugated pipe is cut into required length according to the requirement; f. and (6) inspection and warehousing: and detecting various indexes of the corrugated pipe, removing defective products in the corrugated pipe, and packaging and warehousing the finished corrugated pipe.
Description
Technical Field
The invention belongs to the technical field of corrugated pipe manufacturing, and particularly relates to a corrugated pipe manufacturing method.
Background
The corrugated pipe is a tubular elastic sensitive element which is formed by connecting foldable corrugated sheets along the folding and stretching direction. The corrugated pipe has wide application in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force. The corrugated pipe has thin pipe wall and high sensitivity, and the measurement range is from tens of Pa to tens of MPa. Its open end is fixed, its sealed end is in free state, and its elasticity is increased by using auxiliary helical spring or reed. When working, the pipe is extended along the length direction under the action of internal pressure, so that the movable end generates displacement in a certain relation with the pressure. The movable end drives the pointer to directly indicate the pressure. Bellows are often combined with displacement sensors to form pressure sensors that output an electrical quantity, sometimes also acting as isolation elements. The response speed of the bellows is slower than that of the bourdon tube because of the large volume change required for the expansion of the bellows. The bellows is adapted to measure low pressure.
Need use the cutting machine in the bellows production, the cutting machine utilizes rotatory cutter to cut the bellows, heat up under frictional force behind the cutter cutting bellows, because the cutter is in the rotating-state, the piece that the cutting bellows produced is raised under the cutter drives, the piece of part can drop on the cutter surface, the cutter surface has the uniform temperature, the messenger drops and melts the adhesion at the piece part on cutter surface, make the cutter surface be stained with the life that more piece influences the cutter, influence the roughness of bellows tangent plane simultaneously.
Disclosure of Invention
The invention provides a method for manufacturing a corrugated pipe, aiming at overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a method of manufacturing corrugated tubing, comprising:
a. feeding: putting the raw materials into a vacuum feeding machine, and fully mixing the raw materials in the feeding machine;
b. plasticizing: putting the mixture into an extruding machine for heating and plasticizing to enable the raw materials to be in a molten state, and extruding the molten raw materials according to a required shape through the mutual matching of the extruding machine and an extruding mould;
c. molding: putting the extruded raw materials into a corrugated pipe forming machine to obtain a corrugated pipe prototype;
d. and (3) cooling: introducing the corrugated pipe into a spray water tank, and performing spray treatment on the surface of the corrugated pipe to enable the surface of the corrugated pipe to be in a room temperature state;
e. cutting: the corrugated pipe is led into a cutting machine, and the corrugated pipe is cut into required length according to the requirement;
f. and (6) inspection and warehousing: detecting various indexes of the corrugated pipe, removing defective products in the corrugated pipe, and packaging and warehousing the finished corrugated pipe;
the cutting machine in the step e comprises a mounting plate, a first connecting plate and a second connecting plate which are arranged at the bottom of the mounting plate, a cutter arranged between the first connecting plate and the second connecting plate, and a first mounting seat and a second mounting seat which are arranged below the cutter, wherein a conveying assembly is arranged on the first mounting seat, a clamping assembly is arranged on the second mounting seat, a hydraulic rod is arranged at the top of the mounting plate, and a first driving motor for driving the cutter to rotate is arranged on the side wall of the second connecting plate; a third connecting plate is arranged on the side wall of the first connecting plate, a first liquid storage cavity is arranged in the third connecting plate, a first material receiving box is arranged on the third connecting plate, a first scraper is arranged at the top of the material receiving box, and the first scraper is in contact with the side wall of the cutter; a fourth connecting plate is arranged on the side wall of the second connecting plate, a second material receiving box is arranged on the fourth connecting plate, a second scraper is arranged at the top of the second material receiving box, and the second scraper is in contact with the side wall of the cutter; the corrugated pipe is placed on the material conveying assembly after being cooled, the material conveying assembly conveys the corrugated pipe to move to the position below the cutter, the clamping assembly clamps the other end of the corrugated pipe, the corrugated pipe is fixed below the cutter, the cutter is driven by the first driving motor to rotate, the hydraulic rod drives the mounting plate to move downwards, the cutter moves downwards to contact with the surface of the corrugated pipe, and the corrugated pipe is cut; the cutter rotates and contacts with the scraper on the material receiving box, the scraper scrapes the fragments attached to the surface of the cutter, the fragments fall into the material receiving box, and the surface of the cutter is cleaned.
The surface of the cutter is in contact with the scraper in the rotating process, the scraps on the surface of the cutter are scraped under the action of the scraper, and the surface of the cutter is cleaned, so that the surface of the cutter is in a flat state, and the influence of the scraps adhered on the surface of the cutter on the section of the corrugated pipe is avoided; the scraps scraped from the surface of the cutter are collected through the material receiving box, so that the scraped scraps are prevented from directly falling on the corrugated pipe, and the later corrugated pipe cleaning operation is reduced; after the cutter is driven by the first driving motor to rotate and contact with the scraper, the temperature of the cutter is increased due to the friction between the scraper and the cutter, the cutter is cooled by the cooling liquid, the influence on the cutting of the corrugated pipe caused by overhigh temperature of the cutter is avoided, and the section cutting effect of the corrugated pipe is ensured; the scraper is arranged at a fixed position, and is in contact with the scraper through the rotation of the cutter, so that the scraper can be in contact with the whole surface of the cutter, and the cleaning effect of the scraper on the surface of the cutter is ensured.
And c, oxidizing the raw materials in the step a at 200 ℃, wherein the oxidation induction time is more than or equal to 20 min.
Heating in each area of the extruder head in the step b is carried out 3 hours in advance, and heating is carried out according to a step-up heating mode, wherein the first step temperature is 100-120 ℃, the second step temperature is 150-160 ℃, and the third step temperature is 180 ℃.
In the step heating process, when the temperature is increased to the first step, the temperature is kept for 2 hours, when the temperature is increased to the second step, the temperature is kept for 1 hour, when the temperature is increased to the third step, the temperature of each zone is set as the process temperature, and the extruder is started after the temperature is kept for half an hour.
The extrusion pressure in the step b is 30Mpa, and the rotating speed of the screw is 75-85% of the maximum rotating speed; if the pressure is too high, the production efficiency is reduced, and the energy consumption is increased; if the pressure is too low, the product is not easily molded.
A fifth connecting plate is arranged on the side wall of the second connecting plate, the fifth connecting plate is of an annular structure and is arranged on the outer side of the fifth connecting plate, a fixed rod is arranged on the third connecting plate, a first connecting rod is arranged on the fixed rod, a fixed hole matched with the fixed rod is arranged on the cutter, a first through hole matched with the fixed hole is arranged on the side wall of the fifth connecting plate, a first movable groove is arranged on the side wall of the first connecting rod, a limiting rod is hinged in the first movable groove, a limiting spring matched with the limiting rod is arranged on the inner wall of the first movable groove, and a baffle matched with the limiting rod is arranged at one end of the first movable groove; when the beveling cutter is installed, the cutter is arranged on one side of the fifth connecting plate, the fixing hole is aligned with the first through hole, the third connecting plate is pushed towards the direction of the fifth connecting plate, the fixing rod on the third connecting plate is inserted into the first through hole through the fixing hole, one end of the first connecting rod penetrates out of the first through hole, the limiting spring pushes the limiting rod to turn over towards the outer side of the first movable groove, the limiting rod is made to be in contact with the surface of the fifth connecting plate, the limiting rod is limited by the baffle to continue rotating, the limiting rod is fixed, the third connecting plate and the fifth connecting plate are made to be fixedly matched, and the installation of the cutter is completed; the limiting rod is hinged with the inner wall of the first movable groove, so that the limiting rod is contacted with the inner wall of the first through hole when the first connecting rod extends into the first through hole, the limiting rod is pressed in the first movable groove, and the blocking of the limiting rod on the connection of a third connecting plate and a fifth connecting plate of the fixed rod is avoided; the baffle has a blocking effect on the limiting rod, the maximum rotating angle of the limiting rod is limited, and the bottom end of the limiting rod cannot rotate continuously after being contacted with the side wall of the fifth connecting plate, so that the fixing rod is fixed under the action of the limiting rod, and the cutter is fixed between the third connecting plate and the fifth connecting plate; the limiting rod is pushed under the action of the limiting spring, the limiting rod is directly popped out from the first movable groove after extending out of the first through hole, the limiting rod and the fifth connecting plate are matched, and the third connecting plate and the fifth connecting plate are fixed.
A second through hole matched with the first through hole is formed in the fifth connecting plate, a mounting groove is formed in the inner wall of the second through hole, a second connecting rod and a third connecting rod are arranged in the mounting groove, one end of the second connecting rod is hinged to the inner wall of the mounting groove, the third connecting rod is hinged to one end of the second connecting rod, a first sliding block is arranged on the third connecting rod, a first sliding groove matched with the first sliding block is formed in the inner wall of the mounting groove, a convex block is arranged at the top of the first sliding block, and a guide groove matched with the convex block is formed in the bottom of the third connecting rod; a support plate is arranged on one side of the second connecting rod and one side of the third connecting rod, a return spring is arranged on the support plate, a first push plate is arranged on the other side of the second connecting rod and the third connecting rod, a push block is arranged on the first push plate, and a rotating wheel for driving the first push plate to rotate is arranged on the fifth connecting plate; when the beveling cutter is replaced, the rotating wheel is rotated to enable the rotating wheel to drive the first push plate to rotate, the first push plate drives the push block to rotate, the push block pushes the third connecting rod to move along the first sliding groove, the third connecting rod rotates around a hinged point with the second connecting rod, the third connecting rod moves along the guide groove, the third connecting rod pushes the limiting rod to move towards the inside of the first movable groove, after the limiting rod enters the first movable groove, the fixed rod is drawn out of the first through hole to enable the third connecting plate and the fifth connecting plate to be separated, and the cutter is detached to replace the cutter; the second connecting rod and the third connecting rod are pushed by the reset spring to move back, and the second connecting rod, the third connecting rod and the first push plate are reset under the pushing of the reset spring; the first push plate pushes the second connecting rod and the third connecting rod to rotate under the control of the rotating wheel on the first push plate, so that the third connecting rod can extrude the limiting rod from different directions, the limiting rod is pushed into the first movable groove, the limiting rod is separated from the fifth connecting plate, and the fixing rod can be conveniently pulled out of the first through hole; first spout and first slider play limiting displacement to the third connecting rod, make the ejector pad make third connecting rod and gag lever post lateral wall contact when promoting the pin joint of second connecting rod and third connecting rod, push the gag lever post into first activity inslot to pull out the dead lever from first through-hole.
The invention has the following advantages: the cutter makes cutter surface and scraper contact at the rotation in-process, strikes off the piece on cutter surface under the scraper effect, clears up the cutter surface, makes the cutter surface be in the leveling state, avoids the piece adhesion to cause the influence at the cutter surface to the bellows tangent plane.
Drawings
Fig. 1 is a schematic structural view of a cutting machine according to embodiment 1 of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a first schematic cross-sectional view of a cutting machine according to embodiment 1 of the present invention.
Fig. 4 is an enlarged view of fig. 3 at B.
Fig. 5 is a schematic cross-sectional view of a cutting machine in embodiment 1 of the present invention.
Fig. 6 is an enlarged view of fig. 5 at C.
Fig. 7 is an enlarged view of fig. 5 at D.
Fig. 8 is an enlarged view of fig. 5 at E.
Detailed Description
Example 1:
a method of manufacturing corrugated tubing, comprising: a. feeding: putting the raw materials into a vacuum feeding machine, and fully mixing the raw materials in the feeding machine; b. plasticizing: putting the mixture into an extruding machine for heating and plasticizing to enable the raw materials to be in a molten state, and extruding the molten raw materials according to a required shape through the mutual matching of the extruding machine and an extruding mould; c. molding: putting the extruded raw materials into a corrugated pipe forming machine to obtain a corrugated pipe prototype; d. and (3) cooling: introducing the corrugated pipe into a spray water tank, and performing spray treatment on the surface of the corrugated pipe to enable the surface of the corrugated pipe to be in a room temperature state; e. cutting: the corrugated pipe is led into a cutting machine, and the corrugated pipe is cut into required length according to the requirement; f. and (6) inspection and warehousing: detecting various indexes of the corrugated pipe, removing defective products in the corrugated pipe, and packaging and warehousing the finished corrugated pipe; the raw material in the step a is subjected to oxidation treatment at 200 ℃, and the oxidation induction time is 20 min; heating all areas of the extruder head of the extruder in the step b is carried out 3 hours in advance, and heating is carried out in a step heating mode, wherein the first step temperature is 100 ℃, the second step temperature is 150 ℃, and the third step temperature is 180 ℃; in the step-type heating process, when the temperature is increased to a first step, the temperature is kept for 2 hours, when the temperature is increased to a second step, the temperature is kept for 1 hour, when the temperature is increased to a third step, the temperature of each zone is set as the process temperature, and the extruder is started after the temperature is kept for half an hour; and c, the extrusion pressure in the step b is 30Mpa, and the rotating speed of the screw is 75% of the maximum rotating speed.
As shown in fig. 1 to 8, the cutting machine in step e includes a mounting plate 1, a first connecting plate 12 and a second connecting plate 13 which are arranged at the bottom of the mounting plate 1, a cutter 14 which is arranged between the first connecting plate 12 and the second connecting plate 13, and a first mounting seat 2 and a second mounting seat 3 which are arranged below the cutter 14, wherein a conveying assembly is arranged on the first mounting seat 2, a clamping assembly is arranged on the second mounting seat 3, a hydraulic rod 11 is arranged at the top of the mounting plate 1, a first driving motor 132 for driving the cutter 14 to rotate is arranged on the side wall of the second connecting plate 13, an equipment box 131 is arranged on the side wall of the second connecting plate, and the first driving motor is arranged in the equipment box; a third connecting plate 19 is arranged on the side wall of the first connecting plate 12, a first liquid storage cavity 191 is arranged in the third connecting plate 19, a first material receiving box 15 is arranged on the first connecting plate 12, a first scraper is arranged at the top of the first material receiving box 15, and the first scraper is in contact with the side wall of the cutter 14; a fourth connecting plate 18 is arranged on the side wall of the second connecting plate 13, a second material receiving box is arranged on the second connecting plate 13, a second scraper is arranged at the top of the second material receiving box, and the second scraper is in contact with the side wall of the cutter 14; the corrugated pipe is placed on the material conveying assembly after being cooled, the material conveying assembly conveys the corrugated pipe to move to the position below the cutter 14, the clamping assembly clamps the other end of the corrugated pipe, the corrugated pipe is fixed below the cutter 14, the cutter 14 is driven to rotate by the first driving motor 132, the hydraulic rod 11 drives the mounting plate 1 to move downwards, the cutter 14 moves downwards to contact with the surface of the corrugated pipe, and the cutting operation of the corrugated pipe is completed; the cutter 14 rotates to contact with a scraper on the material receiving box, the scraper scrapes the fragments attached to the surface of the cutter 14, the fragments fall into the material receiving box, and the surface of the cutter 14 is cleaned.
The surface of the cutter is in contact with the scraper in the rotating process, the scraps on the surface of the cutter are scraped under the action of the scraper, and the surface of the cutter is cleaned, so that the surface of the cutter is in a flat state, and the influence of the scraps adhered on the surface of the cutter on the section of the corrugated pipe is avoided; the scraps scraped from the surface of the cutter are collected through the material receiving box, so that the scraped scraps are prevented from directly falling on the corrugated pipe, and the later corrugated pipe cleaning operation is reduced; after the cutter is driven by the first driving motor to rotate and contact with the scraper, the temperature of the cutter is increased due to the friction between the scraper and the cutter, the cutter is cooled by the cooling liquid, the influence on the cutting of the corrugated pipe caused by overhigh temperature of the cutter is avoided, and the section cutting effect of the corrugated pipe is ensured; the scraper is arranged at a fixed position, and is in contact with the scraper through the rotation of the cutter, so that the scraper can be in contact with the whole surface of the cutter, and the cleaning effect of the scraper on the surface of the cutter is ensured.
The bottom of the mounting plate is provided with a second chute 150, the top of the first connecting plate is provided with a second sliding block matched with the second chute, the top of the second chute is provided with a through groove, the top of the second sliding block is provided with a first connecting block 121, and the first connecting block is arranged at the top of the mounting plate in a penetrating way; the top of the mounting plate is provided with a mounting block 161, the mounting block is provided with a guide rod 16, the guide rod penetrates through the first connecting block, the first connecting block can move along the guide rod, the first connecting block moves on the guide rod to drive the first connecting plate to move, and the moving principle of the first connecting block on the guide rod is the same as the working principle of the rodless cylinder; when the cutter is installed, the first connecting block moves along the guide rod, so that the first connecting block drives the first connecting plate to move in the direction away from the second connecting plate, the distance between the first connecting plate and the second connecting plate is increased, the cutter is conveniently installed between the first connecting plate and the second connecting plate, and the cutter is more easily installed.
A fifth connecting plate 17 is arranged on the side wall of the second connecting plate 13, the fourth connecting plate 18 is of an annular structure and is arranged on the outer side of the fifth connecting plate 17, a fixing rod 110 is arranged on the third connecting plate 19, a first connecting rod 130 is arranged on the fixing rod 110, a fixing hole matched with the fixing rod 110 is arranged on the cutter 14, the number of the fixing rods is four, the number of the corresponding fixing holes is also four, the four fixing rods share the torque force generated by the rotation of the cutter, the single fixing rod is protected, meanwhile, the cutter is limited under the action of the four fixing rods, the fixing rods drive the cutter to rotate together when rotating, and the stability of the rotation of the cutter is ensured; a first through hole matched with the fixing hole is formed in the side wall of the fifth connecting plate 17, a first movable groove 1302 is formed in the side wall of the first connecting rod 130, a limiting rod 1304 is hinged in the first movable groove 1302, four first movable grooves are formed in one first connecting rod, and the four first movable grooves are circumferentially distributed on the first connecting rod; a limiting spring 1303 matched with the limiting rod 1304 is arranged on the inner wall of the first movable groove 1302, and a baffle matched with the limiting rod 1304 is arranged at one end of the first movable groove 1302; when the beveling cutter 14 is installed, the cutter 14 is placed on one side of the fifth connecting plate 17, the fixing hole is aligned with the first through hole, the third connecting plate 19 is pushed towards the direction of the fifth connecting plate 17, the fixing rod 110 on the third connecting plate 19 is inserted into the first through hole through the fixing hole, one end of the first connecting rod 130 penetrates out of the first through hole, the limiting spring 1303 pushes the limiting rod 1304 to turn over towards the outer side of the first movable groove 1302, the limiting rod 1304 is contacted with the surface of the fifth connecting plate 17, the limiting rod 1304 is limited by the baffle to continue rotating, the limiting rod 1304 is fixed, the third connecting plate 19 and the fifth connecting plate 17 are fixedly matched, and the installation of the cutter 14 is completed; the limiting rod is hinged with the inner wall of the first movable groove, so that the limiting rod is contacted with the inner wall of the first through hole when the first connecting rod extends into the first through hole, the limiting rod is pressed in the first movable groove, and the blocking of the limiting rod on the connection of a third connecting plate and a fifth connecting plate of the fixed rod is avoided; the baffle has a blocking effect on the limiting rod, the maximum rotating angle of the limiting rod is limited, and the bottom end of the limiting rod cannot rotate continuously after being contacted with the side wall of the fifth connecting plate, so that the fixing rod is fixed under the action of the limiting rod, and the cutter is fixed between the third connecting plate and the fifth connecting plate; the limiting rod is pushed under the action of the limiting spring, the limiting rod is directly popped out from the first movable groove after extending out of the first through hole, the limiting rod and the fifth connecting plate are matched, and the third connecting plate and the fifth connecting plate are fixed.
A first movable cavity 1104 is arranged on the limiting rod, the first connecting rod penetrates through the first movable cavity, a first limiting plate is arranged at one end of the first connecting rod, a first connecting spring 1301 is arranged on the first limiting plate, a second movable cavity is arranged on the third connecting plate, the limiting rod penetrates through the second movable cavity, a second pushing plate 1101 is arranged at one end of the limiting rod, a second connecting spring 1103 is arranged on the second pushing plate, and one end of the second connecting spring is fixedly connected with the inner wall of the second movable cavity; a second connecting block 1102 is arranged on the second push plate, a third push plate 120 is arranged on the second connecting block, and the third push plate is fixedly connected to the first connecting plate; after the cutter is arranged between the third connecting plate and the fifth connecting plate, the first connecting block moves along the guide rod to drive the first connecting plate to move towards the second connecting plate, the first connecting plate pushes the third connecting plate to move, so that the fixed rod is inserted into the first through hole, the bottom end of the limiting rod is positioned in the first through hole, the first connecting block continues to move, the third push plate is driven to move towards the second connecting plate, the third push plate pushes the limiting rod to continue to move towards the first through hole, the fixed rod is pushed into the top of the first through hole, the limiting rod extends out of the first through hole, after the limiting rod is not contacted with the inner wall of the first through hole, the limiting rod is pushed out from the first movable groove under the action of the limiting spring, the second connecting spring pushes the third push plate to move back under the action of the elastic force, the connecting rod is driven to move towards the first connecting plate, so that the bottom end of the limiting rod is contacted with the side wall of the fifth mounting plate, the first connecting block drives the first connecting plate to continue to move, the first connecting block is fixed after the first limiting plate moves to one end of the first movable cavity, the first connecting rod cannot move, the matching effect of the limiting rod and the fifth connecting plate is improved, and the fixing effect of the cutter is improved.
The fifth connecting plate 17 is provided with second through holes matched with the first through holes, the inner walls of the second through holes are provided with mounting grooves 171, the number of the first through holes is equal to that of the fixing rods, the number of the corresponding mounting grooves is equal to that of the fixing rods, second connecting rods 172 and third connecting rods 173 are arranged in the mounting grooves 171, and four groups of second connecting rods and four groups of third connecting rods are arranged in one mounting groove and respectively correspond to the four limiting rods on the first connecting rods; one end of the second connecting rod 172 is hinged to the inner wall of the mounting groove 171, the third connecting rod 173 is hinged to one end of the second connecting rod 172, a first sliding block is arranged on the third connecting rod 173, a first sliding groove matched with the first sliding block is arranged on the inner wall of the mounting groove 171, a convex block is arranged at the top of the first sliding block, and a guide groove matched with the convex block is arranged at the bottom of the third connecting rod; a support plate 174 is arranged on one side of the second connecting rod 172 and one side of the third connecting rod 173, a return spring 175 is arranged on the support plate 174, a first push plate 176 is arranged on the other side of the second connecting rod 172 and the other side of the third connecting rod 173, a push block 1761 is arranged on the first push plate 176, and a rotating wheel 140 for driving the first push plate 176 to rotate is arranged on the fifth connecting plate 17; when the beveling cutter 14 is replaced, the rotating wheel 140 is rotated, so that the rotating wheel 140 drives the first push plate 176 to rotate, the first push plate 176 drives the push block 1761 to rotate, the push block 1761 drives the third connecting rod 173 to move along the first sliding groove, the third connecting rod 173 rotates around a hinge point with the second connecting rod 172, the third connecting rod 173 moves along the guide groove, the third connecting rod 173 drives the limiting rod 1304 to move towards the inside of the first movable groove 1302, and after the limiting rod 1304 enters the first movable groove 1302, the fixed rod 110 is drawn out from the first through hole, so that the third connecting plate 19 is separated from the fifth connecting plate 17, the cutter 14 is detached, and the cutter 14 is replaced; the return spring 175 pushes the second connecting rod 172 and the third connecting rod 173 to move back, and the second connecting rod 172, the third connecting rod 173 and the first push plate 176 are reset under the pushing of the return spring 175; the first push plate pushes the second connecting rod and the third connecting rod to rotate under the control of the rotating wheel on the first push plate, so that the third connecting rod can extrude the limiting rod from different directions, the limiting rod is pushed into the first movable groove, the limiting rod is separated from the fifth connecting plate, and the fixing rod can be conveniently pulled out of the first through hole; first spout and first slider play limiting displacement to the third connecting rod, make the ejector pad make third connecting rod and gag lever post lateral wall contact when promoting the pin joint of second connecting rod and third connecting rod, push the gag lever post into first activity inslot to pull out the dead lever from first through-hole.
And a third connecting block is arranged on the first push plate, a driving wheel 1762 is arranged on the third connecting block, the driving wheel is in transmission fit with the rotating wheel, a fourth push plate is arranged on the rotating wheel, and the rotating wheel is easier to rotate under the arrangement of the fourth push plate.
The third push pedal rotatable coupling is on first connecting plate, and fifth connecting plate rotatable coupling is on the second connecting plate, and first driving motor output shaft links to each other with fifth connecting plate lateral wall, and first driving motor can direct drive fifth connecting plate rotate to drive the cutter and rotate.
The first material receiving box is fixedly connected to the first connecting plate through screws, the second material receiving box is fixedly connected to the second material receiving plate through screws, after the first material receiving box and the second material receiving box are filled with chips, the first material receiving box and the second material receiving box are detached from the first connecting plate and the second connecting plate, the chips in the first material receiving box and the second material receiving box are cleaned, and the chips in the material receiving boxes are convenient to process.
A groove is formed in the first mounting seat, a second driving motor 21 is arranged in the groove, the conveying assembly comprises a rotary table 22 arranged on an output shaft of the second driving motor, a first connecting rod 23 arranged on the rotary table, a connecting pipe 24 arranged on the first connecting rod and a second connecting rod 25 penetrating through the connecting pipe, a cavity is formed in the first connecting rod and communicated with the connecting pipe, the cavity is connected with an air pump, and a second limiting plate is arranged at one end of the second connecting rod; the bottom of the rotary table is provided with a connecting ring 221, the first mounting seat is provided with a second movable groove matched with the connecting ring, and under the mutual matching of the connecting ring and the second movable groove, the rotary table is supported, the burden of an output shaft of a second driving motor is reduced, and the service life of the second driving motor is prolonged; bellows cooling back, carry the bellows to delivery Assembly one side, make inside the head rod penetrate the bellows, the air pump lets in the air toward leading to the intracavity, make the atmospheric pressure in the cavity increase, promote the second connecting rod under atmospheric pressure effect and stretch out from the connecting tube, make the second connecting rod contact with the bellows inner wall, play the fixed action to the bellows, second driving motor drive carousel rotates, make the carousel rotate 180 backs, rotate the bellows to the cutter below, the bellows other end mutually supports with the centre gripping subassembly, fix the bellows in the cutter below, so that do the cutting to the bellows through the cutter and handle, promote the roughness of bellows tangent plane.
The second mounting seat is provided with a third sliding groove 31 and a fourth sliding groove 32, a third sliding block is arranged in the third sliding groove, a fourth sliding block is arranged in the fourth sliding groove, the clamping jaw assembly comprises a mounting frame 34 arranged on the fourth sliding block, a fixed jaw 35 arranged at the top of the mounting frame and a fourth connecting rod 351 arranged at one end of the fixed jaw, and the fixed jaw is rotatably connected to the top of the mounting frame; the third sliding block is provided with an air cylinder 33, piston rods of the air cylinders are hinged to the fourth connecting rod, and two groups of fixing claws are respectively arranged at two ends of the mounting frame; when the corrugated pipe is not machined, the piston rod is driven by the air cylinder to move upwards, the piston rod pushes the fourth connecting rod to rotate to the horizontal position, and the two fixing claws are in an open state, so that the corrugated pipe can be conveniently rotated to the positions of the fixing claws when the rotary table rotates; when the corrugated pipe rotates to the position of the fixed claw, the cylinder drives the piston rod to move downwards, so that the fixed claw rotates around the connecting point, the top end of the fixed claw turns upwards, the tops of the fixed claws approach each other, the fixed claws are in contact with the side wall of the corrugated pipe, and the corrugated pipe is fixed; under the mutual cooperation of the filling assembly and the conveying assembly, the corrugated pipes on the two sides of the cutter are fixed, the corrugated pipes are prevented from shaking when the cutter is in contact with the corrugated pipes, and the flatness of the cut surfaces of the corrugated pipes is improved.
After the corrugated pipe is cooled, the corrugated pipe is conveyed to one side of the conveying assembly and is sleeved in the first connecting rod, air is introduced into the cavity by the air pump, air pressure in the cavity is increased, the second connecting rod is pushed to extend out of the connecting pipe under the action of the air pressure to fix the corrugated pipe, then the second driving motor drives the rotary table to rotate, the corrugated pipe is rotated above the fixed claw, and the air cylinder drives the fixed claw to turn upwards so that the fixed claw fixes the corrugated pipe; the first driving motor drives the cutter to rotate, the hydraulic rod drives the cutter to move downwards, the cutter moves downwards to cut the corrugated pipe, and the cut corrugated pipe is taken out through the manipulator after being cut so as to be collected conveniently; when the cutter is replaced, the first connecting block moves towards the second connecting plate along the guide rod to push the fourth push plate to enable the rotating wheel to rotate, the rotating wheel rotates to drive the driving wheel to rotate, the push block pushes the second connecting rod and the third connecting rod to rotate around the hinged point, the third connecting rod pushes the limiting rod to move towards the movable groove to enable the limiting rod to enter the movable groove, and the first connecting block moves towards the first connecting plate along the guide rod to enable the third connecting plate and the fifth connecting plate to be separated, so that the cutter is taken out; the fixing hole of the new cutter is aligned with the first through hole, the first connecting block moves towards the direction of the second connecting plate along the guide rod, the fixing rod is inserted into the first through hole, the limiting rod is contacted with the side wall of the fifth connecting plate until the limiting rod penetrates out of the first through hole, the fixing rod is fixed, the third connecting plate and the fifth connecting plate are mutually fixed, the cutter is fixed between the third connecting plate and the fifth connecting plate, and the cutter is replaced.
Example 2:
a method of manufacturing corrugated tubing, comprising: a. feeding: putting the raw materials into a vacuum feeding machine, and fully mixing the raw materials in the feeding machine; b. plasticizing: putting the mixture into an extruding machine for heating and plasticizing to enable the raw materials to be in a molten state, and extruding the molten raw materials according to a required shape through the mutual matching of the extruding machine and an extruding mould; c. molding: putting the extruded raw materials into a corrugated pipe forming machine to obtain a corrugated pipe prototype; d. and (3) cooling: introducing the corrugated pipe into a spray water tank, and performing spray treatment on the surface of the corrugated pipe to enable the surface of the corrugated pipe to be in a room temperature state; e. cutting: the corrugated pipe is led into a cutting machine, and the corrugated pipe is cut into required length according to the requirement; f. and (6) inspection and warehousing: detecting various indexes of the corrugated pipe, removing defective products in the corrugated pipe, and packaging and warehousing the finished corrugated pipe; the raw material in the step a is subjected to oxidation treatment at 200 ℃, and the oxidation induction time is 20 min; heating all areas of the extruder head of the extruder in the step b is carried out 3 hours in advance, and heating is carried out in a step heating mode, wherein the first step temperature is 120 ℃, the second step temperature is 160 ℃, and the third step temperature is 180 ℃; in the step-type heating process, when the temperature is increased to a first step, the temperature is kept for 2 hours, when the temperature is increased to a second step, the temperature is kept for 1 hour, when the temperature is increased to a third step, the temperature of each zone is set as the process temperature, and the extruder is started after the temperature is kept for half an hour; the extrusion pressure in the step b is 30Mpa, and the rotating speed of the screw is 85 percent of the maximum rotating speed; the cutter structure is the same as that in the embodiment 1.
Example 3:
a method of manufacturing corrugated tubing, comprising: a. feeding: putting the raw materials into a vacuum feeding machine, and fully mixing the raw materials in the feeding machine; b. plasticizing: putting the mixture into an extruding machine for heating and plasticizing to enable the raw materials to be in a molten state, and extruding the molten raw materials according to a required shape through the mutual matching of the extruding machine and an extruding mould; c. molding: putting the extruded raw materials into a corrugated pipe forming machine to obtain a corrugated pipe prototype; d. and (3) cooling: introducing the corrugated pipe into a spray water tank, and performing spray treatment on the surface of the corrugated pipe to enable the surface of the corrugated pipe to be in a room temperature state; e. cutting: the corrugated pipe is led into a cutting machine, and the corrugated pipe is cut into required length according to the requirement; f. and (6) inspection and warehousing: detecting various indexes of the corrugated pipe, removing defective products in the corrugated pipe, and packaging and warehousing the finished corrugated pipe; the raw material in the step a is subjected to oxidation treatment at 200 ℃, and the oxidation induction time is 20 min; heating all areas of the extruder head of the extruder in the step b is carried out 3 hours in advance, and heating is carried out in a step heating mode, wherein the first step temperature is 110 ℃, the second step temperature is 155 ℃, and the third step temperature is 180 ℃; in the step-type heating process, when the temperature is increased to a first step, the temperature is kept for 2 hours, when the temperature is increased to a second step, the temperature is kept for 1 hour, when the temperature is increased to a third step, the temperature of each zone is set as the process temperature, and the extruder is started after the temperature is kept for half an hour; the extrusion pressure in the step b is 30Mpa, and the rotating speed of the screw is 85 percent of the maximum rotating speed; the cutter structure is the same as that in the embodiment 1.
Claims (6)
1. A method for manufacturing corrugated pipe is characterized in that: the method comprises the following steps:
a. feeding: putting the raw materials into a vacuum feeding machine, and fully mixing the raw materials in the feeding machine;
b. plasticizing: putting the mixture into an extruding machine for heating and plasticizing to enable the raw materials to be in a molten state, and extruding the molten raw materials according to a required shape through the mutual matching of the extruding machine and an extruding mould;
c. molding: putting the extruded raw materials into a corrugated pipe forming machine to obtain a corrugated pipe prototype;
d. and (3) cooling: introducing the corrugated pipe into a spray water tank, and performing spray treatment on the surface of the corrugated pipe to enable the surface of the corrugated pipe to be in a room temperature state;
e. cutting: the corrugated pipe is led into a cutting machine, and the corrugated pipe is cut into required length according to the requirement;
f. and (6) inspection and warehousing: detecting various indexes of the corrugated pipe, removing defective products in the corrugated pipe, and packaging and warehousing the finished corrugated pipe;
the cutting machine in the step e comprises a mounting plate (1), a first connecting plate (12) and a second connecting plate (13) which are arranged at the bottom of the mounting plate (1), a cutter (14) which is arranged between the first connecting plate (12) and the second connecting plate (13), and a first mounting seat (2) and a second mounting seat (3) which are arranged below the cutter (14), wherein a conveying assembly is arranged on the first mounting seat (2), a clamping assembly is arranged on the second mounting seat (3), a hydraulic rod (11) is arranged at the top of the mounting plate (1), and a first driving motor (132) for driving the cutter (14) to rotate is arranged on the side wall of the second connecting plate (13); a third connecting plate (19) is arranged on the side wall of the first connecting plate (12), a first liquid storage cavity (191) is arranged in the third connecting plate (19), a first material receiving box (15) is arranged on the third connecting plate (19), a first scraper is arranged at the top of the first material receiving box (15), and the first scraper is in contact with the side wall of the cutter (14); a fourth connecting plate (18) is arranged on the side wall of the second connecting plate (13), a second material receiving box is arranged on the fourth connecting plate (18), a second scraper is arranged at the top of the second material receiving box, and the second scraper is in contact with the side wall of the cutter (14); the corrugated pipe is placed on a material conveying assembly after being cooled, the material conveying assembly conveys the corrugated pipe to move to the position below a cutter (14), a clamping assembly clamps the other end of the corrugated pipe, the corrugated pipe is fixed below the cutter (14), a first driving motor (132) drives the cutter (14) to rotate, a hydraulic rod (11) drives an installation plate (1) to move downwards, the cutter (14) moves downwards to be in contact with the surface of the corrugated pipe, and the corrugated pipe is cut; the cutter (14) rotates to contact with a scraper on the material receiving box, the scraper scrapes the fragments attached to the surface of the cutter (14), the fragments fall into the material receiving box, and the surface of the cutter (14) is cleaned;
a fifth connecting plate (17) is arranged on the side wall of the second connecting plate (13), the fourth connecting plate (18) is of an annular structure and is arranged on the outer side of the fifth connecting plate (17), a fixed rod (110) is arranged on the third connecting plate (19), a first connecting rod (130) is arranged on the fixed rod (110), the cutter (14) is provided with a fixing hole matched with the fixing rod (110), the side wall of the fifth connecting plate (17) is provided with a first through hole matched with the fixing hole, a first movable groove (1302) is arranged on the side wall of the first connecting rod (130), a limiting rod (1304) is hinged in the first movable groove (1302), a limiting spring (1303) matched with the limiting rod (1304) is arranged on the inner wall of the first movable groove (1302), one end of the first movable groove (1302) is provided with a baffle matched with the limiting rod (1304); when cutter (14) is installed, arrange cutter (14) in fifth connecting plate (17) one side, make the fixed orifices align with first through-hole, propelling movement third connecting plate (19) toward fifth connecting plate (17) direction, make dead lever (110) on third connecting plate (19) insert in the first through-hole through the fixed orifices, first through-hole is worn out to first connecting rod (130) one end, spacing spring (1303) promote gag lever post (1304) and overturn toward first activity groove (1302) outside, make gag lever post (1304) and fifth connecting plate (17) surface contact, baffle restriction gag lever post (1304) continue to rotate, it is fixed with gag lever post (1304), make third connecting plate (19) and fifth connecting plate (17) form fixed cooperation, accomplish the installation to cutter (14).
2. A method of manufacturing a corrugated pipe as set forth in claim 1, wherein: and c, oxidizing the raw materials in the step a at 200 ℃, wherein the oxidation induction time is more than or equal to 20 min.
3. A method of manufacturing a corrugated pipe as set forth in claim 1, wherein: heating in each area of the extruder head in the step b is carried out 3 hours in advance, and heating is carried out according to a step-up heating mode, wherein the first step temperature is 100-120 ℃, the second step temperature is 150-160 ℃, and the third step temperature is 180 ℃.
4. A method of manufacturing a corrugated pipe as set forth in claim 3, wherein: in the step heating process, when the temperature is increased to the first step, the temperature is kept for 2 hours, when the temperature is increased to the second step, the temperature is kept for 1 hour, when the temperature is increased to the third step, the temperature of each zone is set as the process temperature, and the extruder is started after the temperature is kept for half an hour.
5. A method of manufacturing a corrugated pipe as set forth in claim 1, wherein: and c, the extrusion pressure in the step b is 30Mpa, and the rotating speed of the screw is 75-85% of the highest rotating speed.
6. A method of manufacturing a corrugated pipe as set forth in claim 1, wherein: a second through hole matched with the first through hole is formed in the fifth connecting plate (17), an installation groove (171) is formed in the inner wall of the second through hole, a second connecting rod (172) and a third connecting rod (173) are arranged in the installation groove (171), one end of the second connecting rod (172) is hinged to the inner wall of the installation groove (171), the third connecting rod (173) is hinged to one end of the second connecting rod (172), a first sliding block is arranged on the third connecting rod (173), a first sliding groove matched with the first sliding block is formed in the inner wall of the installation groove (171), a convex block is arranged at the top of the first sliding block, and a guide groove matched with the convex block is formed in the bottom of the third connecting rod; a supporting plate (174) is arranged on one side of the second connecting rod (172) and one side of the third connecting rod (173), a return spring (175) is arranged on the supporting plate (174), a first push plate (176) is arranged on the other side of the second connecting rod (172) and the other side of the third connecting rod (173), a push block (1761) is arranged on the first push plate (176), and a rotating wheel (140) for driving the first push plate (176) to rotate is arranged on the fifth connecting plate (17); when the cutter (14) is replaced, the rotating wheel (140) is rotated, the rotating wheel (140) drives the first push plate (176) to rotate, the first push plate (176) drives the push block (1761) to rotate, the push block (1761) pushes the third connecting rod (173) to move along the first sliding groove, the third connecting rod (173) rotates around a hinged point with the second connecting rod (172), the third connecting rod (173) moves along the guide groove, the third connecting rod (173) pushes the limiting rod (1304) to move towards the inside of the first movable groove (1302), and after the limiting rod (1304) enters the first movable groove (1302), the fixing rod (110) is pulled out from the first through hole, the third connecting plate (19) is separated from the fifth connecting plate (17), the cutter (14) is detached, and the cutter (14) is replaced; the return spring (175) pushes the second connecting rod (172) and the third connecting rod (173) to move back, and the second connecting rod (172), the third connecting rod (173) and the first push plate (176) are reset under the pushing of the return spring (175).
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| CN201910464634.5A CN110142815B (en) | 2019-05-30 | 2019-05-30 | Corrugated pipe manufacturing method |
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| CN201910464634.5A CN110142815B (en) | 2019-05-30 | 2019-05-30 | Corrugated pipe manufacturing method |
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| CN110142815B true CN110142815B (en) | 2021-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110576618B (en) * | 2019-09-12 | 2021-06-25 | 浙江一正文化用品有限公司 | Eraser processing method |
| CN111438970B (en) * | 2020-04-07 | 2021-01-22 | 安徽惠聚管道科技有限公司 | Plastic corrugated pipe forming processing method |
| CN114619678B (en) * | 2022-02-28 | 2024-02-20 | 安徽省生宸源材料科技实业发展股份有限公司 | Inspection equipment used for preventing material waste before production of double-wall corrugated pipe |
| CN116653023B (en) * | 2023-07-28 | 2023-09-26 | 甘肃雨禾节水灌溉设备有限公司 | PVC pipe production is with high-efficient cutting equipment |
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| CN2066377U (en) * | 1990-02-05 | 1990-11-28 | 青岛粉末冶金厂 | Roller cutter |
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