CN111872772A - Processing method of PVC (polyvinyl chloride) pipe - Google Patents
Processing method of PVC (polyvinyl chloride) pipe Download PDFInfo
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- CN111872772A CN111872772A CN202010730036.0A CN202010730036A CN111872772A CN 111872772 A CN111872772 A CN 111872772A CN 202010730036 A CN202010730036 A CN 202010730036A CN 111872772 A CN111872772 A CN 111872772A
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- Prior art keywords
- fixedly connected
- arc
- pvc pipe
- fixed
- sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/007—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for end faces of tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/20—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of plastics
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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
- B29D23/001—Pipes; Pipe joints
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a processing method of a PVC pipe in the technical field of PVC pipe processing, which comprises a fixed support base, a clamping mechanism and a grinding mechanism, wherein the grinding mechanism is fixedly connected to the fixed support base, and the clamping mechanism is arranged on the right side in the grinding mechanism; the PVC pipe clamping device clamps and fixes the PVC pipe through the supporting mechanism and the clamping mechanism, so that the polished end of the PVC pipe is positioned on the same plane, the polished end of the PVC pipe is more flat and uniform, the phenomenon that the polished end cannot be polished can not occur, the end part and the edge of the end part of the PVC pipe are polished by the grinding mechanism, burrs at the end part and the edge of the end part of the PVC pipe are effectively removed, and the processing quality of the PVC pipe is indirectly improved.
Description
Technical Field
The invention relates to the field of PVC pipe processing, in particular to a processing method of a PVC pipe.
Background
Polyvinyl chloride (PVC), which is a polymer obtained by polymerizing vinyl chloride monomers in the presence of initiators such as peroxides and azo compounds, or in the presence of light and heat according to a free radical polymerization mechanism, and is mainly used for producing PVC pipes.
PVC pipe need be to its cutting in production and processing process, the edge of pipe fitting tip and tip after the cutting all can produce the burr, need utilize grinding device to polish to the mouth of pipe of PVC pipe, but the grinding device of present PVC pipe only polishes the positive terminal surface of pipe fitting, the burr clearance to the tip edge of PVC pipe fitting is not thorough, and at the in-process of polishing, the department of polishing of PVC pipe is far away from with the position of fixed PVC pipe, the pipe fitting tip produces the tenesmus easily, cause the terminal surface of polishing untidy, cause and polish thoroughly, influence the processingquality of PVC tubular product.
Based on the above, the invention designs a processing method of a PVC pipe, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a processing method of a PVC pipe, and aims to solve the problems that the conventional polishing device of the PVC pipe only polishes the front end face of the pipe, burrs at the edge of the end part of the PVC pipe are not thoroughly cleaned, the polishing position of the PVC pipe is far away from the position for fixing the PVC pipe in the polishing process, the end part of the pipe easily drops, the polished end face is not neat, the polishing is not thorough, and the processing quality of the PVC pipe is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a processing method of a PVC pipe comprises the following specific steps:
s1, introducing a molten and plasticized material into a forward rotary mold core, extruding the material through the forward rotary mold core in a forward direction to form an inner layer tube body of the pipe, and performing primary shaping on the inner layer tube body through a rotary shaping sleeve;
s2, pulling the preliminarily shaped inner-layer pipe body to a reverse rotation mold core, guiding the melted and plasticized material to the reverse rotation mold core, coating a layer of melted material on the periphery of the inner-layer pipe body through the reverse rotation mold core to form an outer-layer pipe body of the pipe, and preliminarily shaping the outer-layer pipe body through a rotary shaping sleeve to obtain the PVC pipe;
s3, pulling out the PVC pipe, printing a corresponding manufacturer mark, cutting the PVC pipe into required length;
s4, polishing the cut end part of the PVC pipe, bundling and packaging the polished PVC pipe, and finishing the processing of the PVC pipe;
the polishing device in the step S4 comprises a fixed support base, a clamping mechanism and a grinding mechanism, wherein the grinding mechanism is fixedly connected to the fixed support base, and the clamping mechanism is arranged on the right side in the grinding mechanism;
the clamping mechanism comprises a fixed base, the lower part of the fixed base is fixedly connected to the top of a fixed supporting base, the left end of the fixed base is fixedly connected with a fixed ring, the left and right sides of the inner surface of the fixed base are fixedly connected with arc-shaped blocks, an adjusting ring is slidably connected between the fixed base and the arc-shaped blocks, the right end face of the adjusting ring is connected with four first connecting rods in an equidistance manner, the four first connecting rods are rotatably connected with first rotating rods, clamping jaws are rotatably connected with the four first connecting rods, each clamping jaw clamping face is an arc-shaped face matched with the outer surface of a PVC pipe fitting to be processed, each first rotating rod is slidably connected with a first rectangular chute, each first rectangular chute is fixedly connected with a fixed block, the left ends of the four fixed blocks are fixedly connected to the right end face of the fixed ring, the top of the two arc, the four clamping jaws penetrate through the fixed guide ring to be connected with the fixed guide ring in a sliding mode, one side of the outer surface of the adjusting ring is fixedly connected with an arc-shaped rack, the top surface of the fixed support base is fixedly connected with two support stand columns, a first rotating shaft is rotatably connected between the two support stand columns, the middle of the first rotating shaft is fixedly connected with a gear, the gear is meshed with the arc-shaped rack, and the left end of the first rotating shaft is fixedly connected with a power mechanism for driving the first rotating shaft to rotate;
the grinding mechanism comprises a second motor, the second motor is fixedly connected to the top of a fixed supporting base, an output shaft of the second motor is fixedly connected with a second rotating shaft, the second rotating shaft penetrates through a fixed ring and is fixedly connected with a first gear, the first gear is meshed with a first central turntable, a grinding disc is fixedly connected to the outer ring surface of the first central turntable, the right end surface of the first central turntable is vertically and rotatably connected with an inner grinding roller, the right end of the inner grinding roller is rotatably connected with a second central turntable, the right end of the second rotating shaft is fixedly connected with a second gear, the second gear is meshed with the second central turntable, the inner sides of the four first rectangular sliding grooves are slidably connected with a following rotating ring, the grinding disc and the following rotating ring are respectively provided with vertically symmetrical sliding grooves, outer grinding rollers slide on the inner walls of the two sliding grooves, and the inner bottom surfaces of the two sliding grooves are respectively provided with a telescopic elastic supporting mechanism, the right end of the outer grinding roller is rotatably connected with the following rotating ring, the left end of the adjusting ring is vertically and uniformly rotatably connected with a second connecting rod, the second connecting rod is rotatably connected with a second rectangular chute through a first rotating rod, the second rectangular chute is fixedly connected onto a fixed block, the middle parts of the upper first rotating rod and the lower first rotating rod are fixedly connected with semi-arc circular rings, the two semi-arc circular rings are just in a closed state when a clamping jaw is clamped, the bottom surface inside the fixed base is fixedly connected with two supporting cylinders, the supporting cylinders are slidably connected with the grinding disc and the following rotating ring, grooves matched with the semi-arc circular rings on the lower side in a sliding mode are formed in the supporting cylinders, a pipe supporting mechanism is fixedly connected onto the fixed supporting base, and the pipe supporting mechanism is located on the;
when the PVC pipe polishing device works, only the front end face of the pipe is polished by the conventional PVC pipe polishing device, burrs at the edge of the end part of the PVC pipe are not thoroughly cleaned, the polished part of the PVC pipe is far away from the position for fixing the PVC pipe in the polishing process, the end part of the pipe is easy to drop, the polished end face is not neat, the polishing is not thorough, and the processing quality of the PVC pipe is influenced, the PVC pipe is installed into the polishing position by the support mechanism, so that the PVC pipe is in a horizontal state, the first rotating shaft is driven to rotate by the power mechanism, the gear is meshed with the arc-shaped rack, the adjusting ring is rotated by the arc-shaped rack which is fixedly connected to the adjusting ring, the adjusting ring rotates to drive the four first connecting rods and the two second connecting rods to rotate, the lower ends of the first connecting rods and the second connecting rods are rotatably connected with the first rotating rod, thereby the first rotating rod slides in the first rectangular chute and moves to the center of the adjusting ring together, the four clamping jaws move to the center simultaneously to clamp the outer wall of the PVC pipe, the PVC pipe cannot move when being polished, when the clamping jaws just clamp the PVC pipe, the power mechanism is closed, the upper and lower first rotating rods move to the center together to drive the semi-arc rings to move together, when the clamping jaws just clamp the PVC pipe, the first rotating rod stops moving to the center, the upper and lower semi-arc rings just close to form a ring, the upper and lower semi-arc rings extrude the upper and lower outer grinding rollers to move together to the center, the outer grinding rollers slide to the center in the chutes, the outer grinding rollers are positioned at the edge position of the grinding end, the second motor is started to drive the second rotating shaft to rotate, the first rotating shaft drives the first gear and the second gear to rotate, the first gear and the second gear are respectively meshed with the first central rotating disk and the second central rotating disk, thereby enabling the first central turntable and the second central turntable to rotate, an inner grinding roller is rotatably connected between the first central turntable and the second central turntable so as to drive the inner grinding roller to rotate and grind the inner edge of the end part of the PVC pipe, the first central turntable is externally and fixedly connected with a grinding disc which drives the grinding disc to rotate and grind the end part of the PVC pipe, the grinding disc rotates to drive an upper outer grinding roller and a lower outer grinding roller to rotate, the outer grinding roller is constantly and closely attached to the semi-arc circular rings so as to roll in the upper semi-arc circular rings and the lower semi-arc circular rings and grind the outer edge of the end part of the PVC pipe, after the grinding is finished, the power mechanism rotates reversely, the clamping jaw is opened to enable the outer grinding roller to return to the initial position under the action of a first spring, the ground PVC pipe is taken out, the grinding is finished, thereby the burrs at the end part edge of the PVC pipe, when making the PVC pipe of polishing, the PVC pipe can not take place the tenesmus, and the tip is polished more smoothly to through setting up outer grinding roller and interior grinding roller, all scrape to the inside and outside border department of pipe fitting tip and polish, the position of polishing is more comprehensive, makes the pipe fitting tip obtain fully clearing up because of the burr that the cutting produced, makes more thoroughly polishing to the pipe fitting tip, has indirectly improved the processingquality to PVC tubular product.
As a further scheme of the invention, three support rods are uniformly distributed on the right end face of the second central rotary table, a sliding ring is fixedly connected to the right end of each support rod, a support disc is slidably connected to the surface of each sliding ring, an arc-shaped chute is formed in the lower portion of the support disc, an arc-shaped scraper is slidably matched with the arc-shaped chute, second sliding rods are fixedly connected to two ends of the arc-shaped scraper, rectangular connecting blocks are slidably connected to the upper ends of the two second sliding rods, a second spring is sleeved on each second sliding rod, the lower end of each second spring is fixedly connected with the arc-shaped scraper, the upper end of each second spring is fixedly connected with the rectangular connecting blocks, the two rectangular connecting blocks are fixedly connected to the support disc, annular blocking pieces are fixedly connected to the top ends of the two second sliding rods, and chutes matched with the annular blocking pieces are formed, the left edge and the right edge of the lower part of the arc-shaped scraper are both provided with a guide inclined plane; when the PVC pipe end grinding machine works, the grinded waste scraps can enter the pipe, when the other end is ground, the waste scraps can slide to the grinding position of the other end, the grinding environment of the inner grinding roller on the inner wall of the other end of the PVC pipe is influenced, the grinding quality is not high, the three support rods are arranged at the right end of the second central turntable, the right end of each support rod is fixedly connected with a sliding ring, when the second central turntable rotates, the sliding ring rotates in the support disc, the support disc is in a stable and motionless state due to the action of the lower part of the support disc and the PVC pipe, when the end of the PVC pipe is ground, the grinded waste scraps are blocked by the support disc, the waste scraps fall in the pipe in front of the support disc, after the grinding is finished, the PVC pipe is taken out from the grinding position, the arc-shaped scraper plate is tightly attached to the PVC pipe under the action of the second spring, the waste scraps in the PVC pipe are scraped out, and the internal scraps of, when the piece that avoids polishing the production trades the terminal surface and polishes, the sweeps landing to the tip of being about to polish, and the in-process piece of polishing removes along with interior grinding roller, causes the harm to PVC pipe other end tip inner wall under the extrusion of grinding roller, avoids influencing the quality of polishing of PVC pipe.
As a further scheme of the invention, the elastic support mechanism comprises a first spring, the lower end of the first spring is fixedly connected to the bottom surface inside the chute, a first slide bar is connected in a sliding manner in an inner ring cavity of the first spring, an arc-shaped tray is fixedly connected to the upper end of the first slide bar, the lower end of the first slide bar penetrates through the grinding disc to be connected with the grinding disc in a sliding manner, and the arc-shaped tray is connected with the outer grinding roller in a sliding manner; the during operation, the back is beaten to the outer border of PVC pipe tip, if the PVC pipe tip can't be kept away from to outer grinding roller when cancelling the centre gripping, when taking out from the PVC pipe, under the effect of gravity, the outer grinding roller that is located the top can continue to press on the surface at PVC pipe, in-process taking out from, cause wearing and tearing to the surface of PVC pipe, through setting up first spring, first slide bar and arc tray, can be when cancelling the centre gripping, push the outer grinding roller of arc tray effect under the reset action of first spring, make outer grinding roller keep away from the PVC pipe tip, avoid taking out from the in-process, cause the problem of wearing and tearing to the surface of PVC pipe. .
As a further scheme of the invention, the pipe fitting supporting mechanism comprises a telescopic cylinder, the lower end of the telescopic cylinder is fixedly connected to the top of the fixed supporting base, the upper end of the telescopic cylinder is fixedly connected with an arc-shaped supporting block, and the two supporting mechanisms are arranged on the left and right, so that the supporting disc is positioned between the two supporting mechanisms; the during operation, because the PVC pipe is when carrying out the grinding, its length is longer, need support its afterbody, prevent it at the in-process of polishing, because the afterbody is heavier to make the tip of polishing take place the slope, make the tip of polishing appear polishing inhomogeneous phenomenon, through setting up two sets of pipe fitting supporting mechanism on the right side of polishing, when PVC pipe installation gets into the position of polishing, the adjustment telescopic cylinder stretches out, telescopic cylinder top fixed connection arc supporting shoe, it upward movement together to drive the arc supporting shoe, make it support the PVC pipe, thereby realize that the PVC pipe fitting is in same horizontal plane when polishing, prevent to appear the skew and lead to the PVC pipe fitting uneven phenomenon of polishing.
As a further scheme of the invention, the power mechanism comprises a first motor, the first motor is fixedly connected to the top of the fixed support base, an output shaft of the first motor is fixedly connected with a third gear, the third gear is rotatably connected with a transmission chain, the upper end of the transmission chain is rotatably connected with a fourth gear, and the fourth gear is fixedly connected to the left end of the first rotating shaft; during operation, as the first rotating shaft needs the power mechanism to drive the first rotating shaft to rotate, the third gear is driven to rotate through the first motor, the third gear is meshed with the transmission chain to drive the fourth gear to rotate, and the fourth gear is fixedly connected to the left end of the first rotating shaft to drive the first rotating shaft to rotate, so that the rotation of the first rotating shaft is realized, and the effect of providing rotation force for the first rotating shaft is realized.
As a further scheme of the invention, the inner sides of the two arc-shaped supporting blocks are fixedly connected with connecting blocks, the connecting blocks are fixedly connected with chip receiving baskets, and the chip receiving baskets are positioned under the arc-shaped scraping plates; the during operation, when the sweeps that gets into in the PVC pipe is scraped out by the arc scraper blade, need collect the processing to it, connect the bits basket through fixedly connected with between two arc supporting shoes, connect the bits basket to place under the arc scraper blade, when the pipe fitting of accomplishing of polishing withdraws from, the arc scraper blade scrapes the income bits basket with the sweeps to the realization is convenient for clear up fast to the collection of sweeps.
Compared with the prior art, the invention has the beneficial effects that:
1. the PVC pipe clamping device clamps and fixes the PVC pipe through the supporting mechanism and the clamping mechanism, so that the polished end of the PVC pipe is positioned on the same plane, the polished end of the PVC pipe is more flat and uniform, the phenomenon that the polished end cannot be polished can not occur, the end part and the edge of the end part of the PVC pipe are polished by the grinding mechanism, burrs at the end part and the edge of the end part of the PVC pipe are effectively removed, and the processing quality of the PVC pipe is indirectly improved.
2. According to the invention, when the end part of the PVC pipe is ground, the ground waste is blocked by the supporting disc, so that the waste falls into the pipe in front of the supporting disc, after grinding is completed, the PVC pipe is taken out from the grinding position, the arc-shaped scraper is tightly attached to the PVC pipe under the action of the second spring, so that the waste in the PVC pipe is scraped out, the waste in the PVC pipe is completely cleaned, the situation that the waste slides to the end part to be ground when the end face of the PVC pipe is ground by the chips generated by grinding is avoided, the chips move along with the inner grinding roller in the grinding process, the inner wall of the end part at the other end part of the PVC pipe is damaged under the extrusion of the grinding roller, and the grinding quality of the PVC pipe is prevented from being influenced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2A according to the present invention;
FIG. 4 is a cross-sectional view of a support rod and support disk configuration of the present invention;
FIG. 5 is a schematic view of the clamping mechanism and grinding mechanism of the present invention (with the fixed support base, support rod and support disk hidden);
FIG. 6 is an enlarged view of the structure B in FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the engagement of a second gear and a second center turntable of the present invention;
fig. 8 is a schematic view of the structure of the chute and the outer grinding roller of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the grinding device comprises a fixed supporting base 1, a fixed base 2, an arc-shaped block 3, an adjusting ring 4, a first connecting rod 5, a first rotating rod 6, a clamping jaw 7, a first rectangular sliding groove 8, a fixed block 9, a rectangular fixed block 10, a fixed guide ring 11, an arc-shaped rack 12, a supporting upright column 13, a first rotating shaft 14, a gear 15, a second motor 16, a second rotating shaft 17, a first gear 18, a first central rotating disc 19, a grinding disc 20, an inner grinding roller 21, a second central rotating disc 22, a second gear 23, a sliding groove 24, an outer grinding roller 25, a follower ring 26, a second connecting rod 27, a second rectangular sliding groove 28, a semi-arc-shaped ring 29, a supporting cylinder 30, a supporting rod 31, a sliding ring 32, a supporting disc 33, an arc-shaped sliding groove 34, an arc-shaped scraping plate 35, a second sliding rod 36, a rectangular connecting block 37, an annular blocking piece 38, a first spring 39, a first sliding rod 40, an, The device comprises a first motor 44, a third gear 45, a transmission chain 46, a fourth gear 47, a connecting block 48, a scrap receiving basket 49, a fixed ring 50 and a second spring 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a processing method of a PVC pipe comprises the following specific steps:
s1, introducing a molten and plasticized material into a forward rotary mold core, extruding the material through the forward rotary mold core in a forward direction to form an inner layer tube body of the pipe, and performing primary shaping on the inner layer tube body through a rotary shaping sleeve;
s2, pulling the preliminarily shaped inner-layer pipe body to a reverse rotation mold core, guiding the melted and plasticized material to the reverse rotation mold core, coating a layer of melted material on the periphery of the inner-layer pipe body through the reverse rotation mold core to form an outer-layer pipe body of the pipe, and preliminarily shaping the outer-layer pipe body through a rotary shaping sleeve to obtain the PVC pipe;
s3, pulling out the PVC pipe, printing a corresponding manufacturer mark, cutting the PVC pipe into required length;
s4, polishing the cut end part of the PVC pipe, bundling and packaging the polished PVC pipe, and finishing the processing of the PVC pipe;
the polishing device in the step S4 comprises a fixed support base 1, a clamping mechanism and a grinding mechanism, wherein the grinding mechanism is fixedly connected to the fixed support base 1, and the clamping mechanism is arranged on the right side in the grinding mechanism;
the clamping mechanism comprises a fixed base 2, the lower part of the fixed base 2 is fixedly connected with the top of a fixed supporting base 1, the left end of the fixed base 2 is fixedly connected with a fixed ring 50, the left and right sides of the inner surface of the fixed base 2 are fixedly connected with arc-shaped blocks 3, an adjusting ring 4 is slidably connected between the fixed base 2 and the arc-shaped blocks 3, the right end surface of the adjusting ring 4 is connected with four first connecting rods 5 in an equidistance manner, the four first connecting rods 5 are rotatably connected with first rotating rods 6 and are rotatably connected with clamping jaws 7, the clamping surface of each clamping jaw 7 is an arc-shaped surface matched with the outer surface of a PVC pipe fitting to be processed, each first rotating rod 6 is slidably connected with a first rectangular chute 8, each first rectangular chute 8 is fixedly connected with a fixed block 9, the left ends of the four fixed blocks 9 are fixedly connected with the right end surface of the fixed ring 50, the four clamping jaws 7 penetrate through the fixed guide ring 11 to be connected with the fixed guide ring in a sliding manner, one side of the outer surface of the adjusting ring 4 is fixedly connected with an arc-shaped rack 12, the top surface of the fixed support base 1 is fixedly connected with two support upright posts 13, the middle of the two support upright posts 13 is rotatably connected with a first rotating shaft 14, the middle of the first rotating shaft 14 is fixedly connected with a gear 15, the gear 15 is meshed with the arc-shaped rack 12, and the left end of the first rotating shaft 14 is fixedly connected with a power mechanism for driving;
the grinding mechanism comprises a second motor 16, the second motor 16 is fixedly connected to the top of the fixed supporting base 1, an output shaft of the second motor 16 is fixedly connected with a second rotating shaft 17, the second rotating shaft 17 penetrates through a fixed ring 50 and is fixedly connected with a first gear 18, the first gear 18 is meshed with a first central turntable 19, the outer annular surface of the first central turntable 19 is fixedly connected with a grinding disc 20, the right end surface of the first central turntable 19 is vertically and rotatably connected with an inner grinding roller 21, the right end of the inner grinding roller 21 is rotatably connected with a second central turntable 22, the right end of the second rotating shaft 17 is fixedly connected with a second gear 23, the second gear 23 is meshed with the second central turntable 22, the inner sides of the four first rectangular sliding grooves 8 are slidably connected with a following rotating ring 26, the grinding disc 20 and the following rotating ring 26 are respectively provided with sliding grooves 24 which are vertically symmetrical, the outer grinding rollers 25 are respectively slid on the inner walls of the two sliding grooves 24, the right end of the outer grinding roller 25 is rotatably connected with a following rotating ring 26, the left end of an adjusting ring 4 is vertically and uniformly rotatably connected with a second connecting rod 27, the second connecting rod 27 is rotatably connected with a second rectangular sliding groove 28 through a first rotating rod 6, the second rectangular sliding groove 28 is fixedly connected onto a fixed block 9, the middle parts of the upper and lower first rotating rods 6 are fixedly connected with semi-arc rings 29, the two semi-arc rings 29 are just in a closed state when a clamping jaw 7 is clamped, two supporting cylinders 30 are fixedly connected to the bottom surface inside the fixed base 2, the supporting cylinders 30 are slidably connected with the grinding disc 20 and the following rotating ring 26, grooves which are in sliding fit with the semi-arc rings 29 on the lower side are formed in the supporting cylinders, and a pipe supporting mechanism is fixedly connected onto the fixed supporting base 1 and is positioned on;
when the PVC pipe polishing device works, only the front end face of a pipe is polished by the conventional PVC pipe polishing device, burrs at the edge of the end part of the PVC pipe are not thoroughly cleaned, the polished position of the PVC pipe is far away from the position of a fixed PVC pipe in the polishing process, the end part of the pipe is easy to drop, the polished end face is irregular, the polishing is incomplete, the processing quality of the PVC pipe is influenced, the PVC pipe is installed into the polishing position by the support mechanism, the PVC pipe is horizontally positioned by the support mechanism, the PVC pipe is in a horizontal state, the first rotating shaft 14 is driven to rotate by the power mechanism, the gear 15 is driven to rotate by the rotation of the first rotating shaft 14, the gear 15 is meshed with the arc-shaped rack 12, the arc-shaped rack 12 is fixedly connected to the adjusting ring 4, the adjusting ring 4 rotates to drive the four first connecting rods 5 and the two second connecting rods 27 to rotate, the lower ends of the first connecting rods 5 and the second connecting rods 27 are rotatably connected with the first, so that the first rotating rod 6 slides in the first rectangular sliding groove 8 and moves towards the center of the adjusting ring 4 together, the four clamping jaws 7 move towards the center simultaneously, the outer wall of the PVC pipe is clamped, the PVC pipe cannot move during polishing, when the clamping jaws 7 just clamp the PVC pipe, the power mechanism is closed, the upper and lower first rotating rods 6 move towards the center, the semi-arc rings 29 are driven to move together, when the clamping jaws 7 just clamp the PVC pipe, the first rotating rod 6 stops moving towards the center, the upper and lower semi-arc rings 29 just close to form a ring, the upper and lower semi-arc rings 29 extrude the upper and lower outer grinding rollers 25 to move together towards the center, the outer grinding rollers 25 slide towards the center in the sliding grooves 24, the outer grinding rollers 25 are positioned at the edge position of the grinding end, the second motor 16 is started, the second motor 16 drives the second rotating shaft 17 to rotate, the first rotating shaft 14 drives the first gear 18 and the second gear 23 to rotate, the first gear 18 and the second gear 23 are respectively engaged with the first central turntable 19 and the second central turntable 25, so that the first central turntable 19 and the second central turntable 25 rotate, the inner grinding roller 21 is rotatably connected between the first central turntable 19 and the second central turntable 25, so that the inner grinding roller 21 is driven to rotate, the inner edge of the end part of the PVC pipe is ground, the grinding disc 20 is fixedly connected outside the first central turntable 19, the grinding disc 20 is driven to rotate, the end part of the PVC pipe is ground, the grinding disc 20 rotates to drive the upper outer grinding roller 25 and the lower outer grinding roller 25 to rotate, the outer grinding roller 25 is tightly attached to the semi-arc rings 29 at any time, so that the outer grinding roller 25 rolls in the upper semi-arc rings 29 and the lower semi-arc rings 29, the outer edge of the end part of the PVC pipe is ground, after grinding is completed, the power mechanism is reversely rotated, the clamping jaw 7 is opened, the outer grinding roller 25 returns to the, accomplish and polish, thereby the realization is cleared up the burr at the tip edge of PVC pipe, and it is nearer apart from the position of polishing to PVC pipe fixation clamp position when polishing, make when polishing the PVC pipe, the PVC pipe can not take place the tenesmus, the tip is polished more smoothly, and through setting up outer grinding roller 25 and interior grinding roller 21, all scrape to the inside and outside border department of pipe fitting tip and polish, the position of polishing is more comprehensive, make the burr that the pipe fitting tip produced because of the cutting obtain sufficient clearance, make polishing more thorough to the pipe fitting tip, indirectly improved the processingquality to PVC tubular product.
As a further scheme of the invention, three support rods 31 are uniformly distributed on the right end face of the second central turntable 22, a sliding ring 32 is fixedly connected to the right end of the support rod 31, a support disc 33 is slidably connected to the surface of the sliding ring 32, an arc chute 34 is formed in the lower portion of the support disc 33, an arc scraper 35 is slidably fitted in the arc chute 34, second slide rods 36 are fixedly connected to both ends of the arc scraper 35, rectangular connecting blocks 37 are slidably connected to both upper ends of the two second slide rods 36, a second spring 51 is sleeved on the second slide rods 36, the lower end of the second spring 51 is fixedly connected to the arc scraper 35, the upper end of the second spring is fixedly connected to the rectangular connecting blocks 37, both the two rectangular connecting blocks 37 are fixedly connected to the support disc 33, annular blocking pieces 38 are fixedly connected to the top ends of the two second slide rods 36, and sliding grooves matched with the annular blocking pieces 38 are, the left edge and the right edge of the lower part of the arc-shaped scraper 35 are both provided with a guide inclined plane; when the PVC pipe grinding machine works, the grinded waste scraps can enter the pipe when the end part of the PVC pipe is ground, when the other end of the PVC pipe is ground, the waste scraps can slide to the grinding position of the other end, the grinding environment of the inner grinding roller 21 on the inner wall of the other end of the PVC pipe is influenced, and the grinding quality is not high, the three support rods 31 are arranged at the right end of the second central turntable 25, the slide rings 32 are fixedly connected at the right ends of the support rods 31, when the second central turntable 25 rotates, the slide rings 32 rotate in the support disks 33, the support disks 33 are in a stable and motionless state due to the action of the lower parts of the support disks 33 and the PVC pipe, when the end part of a PVC pipe is ground, the grinded waste scraps are blocked by the support disks 33, the waste scraps fall into the pipe in front of the support disks 33, after the grinding is finished, the PVC pipe is taken out from the grinding position, the arc-shaped scraper 35 is tightly attached to the, thereby realize the inside sweeps of PVC pipe complete clearance, when avoiding polishing the piece that produces and replacing the terminal surface and polish, the sweeps landing to the tip of being about to polish, the in-process piece of polishing removes along with the interior grinding roller, causes the harm to PVC pipe other end tip inner wall under the extrusion of grinding roller, avoids influencing the quality of polishing of PVC pipe.
As a further scheme of the invention, the elastic supporting mechanism comprises a first spring 39, the lower end of the first spring 39 is fixedly connected to the bottom surface in the chute 24, a first slide bar 40 is connected in the inner annular cavity of the first spring 39 in a sliding manner, the upper end of the first slide bar 40 is fixedly connected with an arc-shaped tray 41, the lower end of the first slide bar penetrates into the grinding disc 20 to be connected with the grinding disc in a sliding manner, and the arc-shaped tray 41 is connected with the outer grinding roller 25 in a sliding manner; the during operation, the back is beaten to the outer border of PVC pipe end, if the PVC pipe end can't be kept away from to outer grinding roller 25 in the cancellation centre gripping, when taking out from the PVC pipe, under the effect of gravity, the outer grinding roller 25 that is located the top can continue to press on the surface at the PVC pipe, in-process taking out from, cause wearing and tearing to the surface of PVC pipe, through setting up first spring 39, first slide bar 40 and arc tray 41, can be in the cancellation centre gripping, the outer grinding roller 25 of arc tray 41 effect is promoted under the reset action of first spring 39, make outer grinding roller 25 keep away from the PVC pipe end, avoid taking out the in-process that leaves, cause the problem of wearing and tearing to the surface of PVC pipe.
As a further scheme of the invention, the pipe fitting supporting mechanism comprises a telescopic cylinder 42, the lower end of the telescopic cylinder 42 is fixedly connected to the top of the fixed supporting base 1, the upper end of the telescopic cylinder is fixedly connected with an arc-shaped supporting block 43, and the two supporting mechanisms are arranged on the left and right, so that the supporting disc 33 is positioned between the two supporting mechanisms; the during operation, because the PVC pipe is when carrying out the grinding, its length is longer, need support its afterbody, prevent it at the in-process of polishing, because the afterbody is heavier to make the tip of polishing take place the slope, make the tip of polishing appear polishing inhomogeneous phenomenon, through setting up two sets of pipe fitting supporting mechanism on the right side of polishing, when PVC pipe installation gets into the position of polishing, adjustment telescopic cylinder 42 stretches out, telescopic cylinder 42 top fixed connection arc supporting shoe 43, drive arc supporting shoe 43 upward movement together, make it support the PVC pipe, thereby realize that the PVC pipe fitting is in same horizontal plane when polishing, prevent that the incline from appearing and lead to the uneven phenomenon of PVC pipe fitting polishing.
As a further scheme of the present invention, the power mechanism includes a first motor 44, the first motor 44 is fixedly connected to the top of the fixed supporting base 1, and an output shaft of the first motor 44 is fixedly connected with a third gear 45, the third gear 45 is rotatably connected with a transmission chain 46, an upper end of the transmission chain 46 is rotatably connected with a fourth gear 47, and the fourth gear 47 is fixedly connected to the left end of the first rotating shaft 14; during operation, because first pivot 14 needs power unit to drive its rotation, drives third gear 45 through first motor 44 and rotates, and third gear 45 meshes driving chain 46, makes it drive fourth gear 47 and rotates, and fourth gear 47 fixed connection is in first pivot 14 left end to drive first pivot 14 and rotate, realize the rotation of first pivot 14, played and provide the effect of rotation power for first pivot 14.
As a further scheme of the invention, the inner sides of the two arc-shaped supporting blocks 43 are fixedly connected with connecting blocks 48, the connecting blocks 48 are fixedly connected with scrap receiving baskets 49, and the scrap receiving baskets 49 are positioned under the arc-shaped scraper 35; the during operation, when being scraped out by arc scraper blade 35 owing to the sweeps that gets into in the PVC pipe, need collect the processing to it, connect bits basket 49 through fixedly connected with between two arc supporting shoes 43, connect bits basket 49 to place under arc scraper blade 35, when the pipe fitting of accomplishing of polishing withdraws from, arc scraper blade 35 scrapes the sweeps income bits basket 49 with the sweeps to the realization is convenient for clear up fast to the collection of sweeps.
The working principle is as follows: the PVC pipe is installed into a polishing position, the support mechanism horizontally positions the PVC pipe to enable the PVC pipe to be in a horizontal state, the power mechanism drives the first rotating shaft 14 to rotate, the first rotating shaft 14 rotates to drive the gear 15 to rotate, the gear 15 is meshed with the arc-shaped rack 12, the arc-shaped rack 12 is fixedly connected to the adjusting ring 4, the adjusting ring 4 rotates to drive the four first connecting rods 5 and the two second connecting rods 27 to rotate, the lower ends of the first connecting rods 5 and the second connecting rods 27 are rotatably connected with the first rotating rod 6, so that the first rotating rod 6 slides in the first rectangular sliding groove 8 and moves towards the center of the adjusting ring 4, the four clamping jaws 7 simultaneously move towards the center to clamp the outer wall of the PVC pipe, the PVC pipe cannot move during polishing, when the clamping jaws 7 just clamp the PVC pipe, the power mechanism is closed, and when the upper and lower two first rotating rods 6 move towards the center, the semi-arc rings 29 are driven to move together, when the clamping jaws 7 just clamp the PVC pipe, the first rotating rod 6 stops moving towards the center, the upper and lower semi-arc rings 29 just close to form a ring, the upper and lower semi-arc rings 29 extrude the upper and lower outer grinding rollers 25 to move towards the center together, the outer grinding rollers 25 slide towards the center in the sliding grooves 24, so that the outer grinding rollers 25 are positioned at the edge position of the grinding end part, the second motor 16 is started, the second motor 16 drives the second rotating shaft 17 to rotate, the first rotating shaft 14 drives the first gear 18 and the second gear 23 to rotate, the first gear 18 and the second gear 23 are respectively meshed with the first central turntable 19 and the second central turntable 25, so that the first central turntable 19 and the second central turntable 25 rotate, the inner grinding roller 21 is rotatably connected between the first central turntable 19 and the second central turntable 25, so as to drive the inner grinding roller 21 to rotate, and grind the inner edge of the end part of the PVC pipe, first 19 outer fixed connection grinding dishes 20 of center carousel, it rotates to drive grinding dish 20, carry out the grinding to the PVC pipe tip, two outer grinding roller 25 rotations about grinding dish 20 rotates the drive, outer grinding roller 25 is hugging closely semi-arc ring 29 constantly, make outer grinding roller 25 roll in two upper and lower semi-arc ring 29, grind PVC pipe tip outward flange, the back is accomplished in the grinding, power unit reversal, open clamping jaw 7, make outer grinding roller 25 get back to initial position under first spring 39 effects, the PVC pipe that will polish takes out, accomplish and polish.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A processing method of PVC pipes is characterized in that: the method comprises the following specific steps:
s1, introducing a molten and plasticized material into a forward rotary mold core, extruding the material through the forward rotary mold core in a forward direction to form an inner layer tube body of the pipe, and performing primary shaping on the inner layer tube body through a rotary shaping sleeve;
s2, pulling the preliminarily shaped inner-layer pipe body to a reverse rotation mold core, guiding the melted and plasticized material to the reverse rotation mold core, coating a layer of melted material on the periphery of the inner-layer pipe body through the reverse rotation mold core to form an outer-layer pipe body of the pipe, and preliminarily shaping the outer-layer pipe body through a rotary shaping sleeve to obtain the PVC pipe;
s3, pulling out the PVC pipe, printing a corresponding manufacturer mark, cutting the PVC pipe into required length;
s4, polishing the cut end part of the PVC pipe, bundling and packaging the polished PVC pipe, and finishing the processing of the PVC pipe;
the polishing device in the step S4 comprises a fixed support base (1), a clamping mechanism and a grinding mechanism, wherein the grinding mechanism is fixedly connected to the fixed support base (1), and the clamping mechanism is arranged on the right side in the grinding mechanism;
the clamping mechanism comprises a fixed base (2), the lower part of the fixed base (2) is fixedly connected to the top of a fixed supporting base (1), the left end of the fixed base (2) is fixedly connected with a fixed ring (50), the left and right sides of the inner surface of the fixed base (2) are fixedly connected with arc blocks (3), an adjusting ring (4) is slidably connected between the fixed base (2) and the arc blocks (3), the right end face of the adjusting ring (4) is rotatably connected with four first connecting rods (5) in an equidistance manner, the four first connecting rods (5) are rotatably connected with first rotating rods (6) and are rotatably connected with clamping jaws (7), the clamping face of each clamping jaw (7) is an arc face matched with the outer surface of a PVC pipe to be processed, each first rotating rod (6) is slidably connected with a first rectangular sliding chute (8), and each first rectangular sliding chute (8) is fixedly connected with a fixed block (9), the left ends of the four fixed blocks (9) are fixedly connected with the right end surface of the fixed circular ring (50), the tops of the two arc-shaped blocks (3) are fixedly provided with the rectangular fixed blocks (10), the top of the rectangular fixed block (10) is fixedly connected with a fixed guide ring (11), the four clamping jaws (7) penetrate through the fixed guide ring (11) to be connected with the fixed guide ring in a sliding way, one side of the outer surface of the adjusting ring (4) is fixedly connected with an arc-shaped rack (12), the top surface of the fixed supporting base (1) is fixedly connected with two supporting upright posts (13), the middle of the two supporting upright posts (13) is rotatably connected with a first rotating shaft (14), a gear (15) is fixedly connected in the middle of the first rotating shaft (14), the gear (15) is meshed with the arc-shaped rack (12), the left end of the first rotating shaft (14) is fixedly connected with a power mechanism for driving the first rotating shaft (14) to rotate;
the grinding mechanism comprises a second motor (16), the second motor (16) is fixedly connected to the top of the fixed supporting base (1), an output shaft of the second motor (16) is fixedly connected with a second rotating shaft (17), the second rotating shaft (17) penetrates through a fixed circular ring (50) and is fixedly connected with a first gear (18), the first gear (18) is meshed with a first central turntable (19), the outer annular surface of the first central turntable (19) is fixedly connected with a grinding disc (20), the upper end surface and the lower end surface of the right end surface of the first central turntable (19) are respectively and rotatably connected with an inner grinding roller (21), the right end of the inner grinding roller (21) is rotatably connected with a second central turntable (22), the right end of the second rotating shaft (17) is fixedly connected with a second gear (23), the second gear (23) is meshed with the second central turntable (22), and the inner sides of the four first rectangular sliding chutes (8) are slidably connected with rotating rings (26), the grinding disc (20) and the following rotating ring (26) are respectively provided with a sliding groove (24) which is symmetrical up and down, the inner walls of the two sliding grooves (24) are respectively connected with an outer grinding roller (25) in a sliding manner, the inner bottom surfaces of the two sliding grooves (24) are respectively provided with a telescopic elastic supporting mechanism, the right end of the outer grinding roller (25) is rotationally connected with the following rotating ring (26), the left end of the adjusting ring (4) is rotationally connected with a second connecting rod (27) up and down, the second connecting rod (27) is rotationally connected with a second rectangular sliding groove (28) through a first rotating rod (6), the second rectangular sliding groove (28) is fixedly connected on a fixed block (9), the middle parts of the upper and lower first rotating rods (6) are respectively and fixedly connected with a semi-arc ring (29), the two semi-arc rings (29) are just in a closed state when the clamping jaw (7) is clamped, the inner bottom surface of the fixed base (2) is fixedly connected, support cylinder (30) and grinding dish (20) and along with change (26) sliding connection, and its inside half arc ring (29) sliding fit's recess with the downside of offering, fixedly connected with pipe fitting supporting mechanism on fixed bolster base (1), pipe fitting supporting mechanism is located the fixture right side.
2. The processing method of the PVC pipe according to claim 1, wherein the processing method comprises the following steps: the three support rods (31) are uniformly distributed on the right end face of the second center turntable (22), the right end of each support rod (31) is fixedly connected with a sliding ring (32), the surface of each sliding ring (32) is slidably connected with a support disc (33), the lower part of each support disc (33) is provided with an arc-shaped sliding chute (34), each arc-shaped sliding chute (34) is slidably matched with an arc-shaped scraper (35), the two ends of each arc-shaped scraper (35) are fixedly connected with second sliding rods (36), the upper ends of the two second sliding rods (36) are slidably connected with rectangular connecting blocks (37), each second sliding rod (36) is sleeved with a second spring (51), the lower end of each second spring (51) is fixedly connected with each arc-shaped scraper (35), the upper end of each second spring is fixedly connected with each rectangular connecting block (37), and the rectangular connecting blocks (37) are fixedly connected, two equal fixedly connected with annular separation blade (38) in second slide bar (36) top, the front and back end of support disc (33) correspond the position of annular separation blade (38) all seted up with annular separation blade (38) complex spout, edge has all seted up the guide inclined plane about arc scraper blade (35) lower part.
3. The processing method of the PVC pipe according to claim 1, wherein the processing method comprises the following steps: elastic support mechanism includes first spring (39), first spring (39) lower extreme fixed connection is in the inside bottom surface of spout (24), sliding connection has first slide bar (40) in first spring (39) inner ring chamber, first slide bar (40) upper end fixed connection has arc tray (41), and the lower extreme penetrates grinding dish (20) and its sliding connection, arc tray (41) and outer grinding roller (25) sliding connection.
4. The processing method of the PVC pipe according to claim 1, wherein the processing method comprises the following steps: the pipe fitting supporting mechanism comprises a telescopic cylinder (42), the lower end of the telescopic cylinder (42) is fixedly connected to the top of the fixed supporting base (1), an arc-shaped supporting block (43) is fixedly connected to the upper end of the telescopic cylinder, and the two supporting mechanisms are arranged on the left and right sides, so that the supporting disc (33) is located between the two supporting mechanisms.
5. The processing method of the PVC pipe according to claim 1, wherein the processing method comprises the following steps: the power mechanism comprises a first motor (44), the first motor (44) is fixedly connected to the top of the fixed support base (1), an output shaft of the first motor is fixedly connected with a third gear (45), the third gear (45) is rotatably connected with a transmission chain (46), the upper end of the transmission chain (46) is rotatably connected with a fourth gear (47), and the fourth gear (47) is fixedly connected to the left end of the first rotating shaft (14).
6. The processing method of the PVC pipe according to claim 4, wherein the processing method comprises the following steps: the inner sides of the two arc-shaped supporting blocks (43) are fixedly connected with connecting blocks (48), the connecting blocks (48) are fixedly connected with scrap receiving baskets (49), and the scrap receiving baskets (49) are located under the arc-shaped scraper (35).
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