CN115256507B - Fixed-length cutting device of PVC (polyvinyl chloride) pipe production equipment - Google Patents

Fixed-length cutting device of PVC (polyvinyl chloride) pipe production equipment Download PDF

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Publication number
CN115256507B
CN115256507B CN202211210427.5A CN202211210427A CN115256507B CN 115256507 B CN115256507 B CN 115256507B CN 202211210427 A CN202211210427 A CN 202211210427A CN 115256507 B CN115256507 B CN 115256507B
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CN
China
Prior art keywords
cutting
annular
cutting box
wall
hole
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Application number
CN202211210427.5A
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Chinese (zh)
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CN115256507A (en
Inventor
缪培峰
张建荣
许向东
胡大永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Peida Plastic Co ltd
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Jiangsu Peida Plastic Co ltd
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Priority to CN202211210427.5A priority Critical patent/CN115256507B/en
Publication of CN115256507A publication Critical patent/CN115256507A/en
Application granted granted Critical
Publication of CN115256507B publication Critical patent/CN115256507B/en
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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
    • 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
    • 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
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • 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
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
    • 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
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0641—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form using chutes, hoppers, magazines
    • 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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1854—Means for removing cut-out material or waste by non mechanical means by air under pressure
    • 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
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/28—Means for performing other operations combined with cutting for counting the number of cuts or measuring cut lenghts
    • 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
    • B26D7/01—Means for holding or positioning work
    • B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Abstract

The invention relates to the field of pipe processing, in particular to a fixed-length cutting device of PVC pipe production equipment, which is characterized by comprising a workbench, a cutting box, a cutting mechanism, a clamping mechanism, a feeding mechanism and a tail end fixing mechanism; the cutting box is arranged on the workbench, a first through hole is formed in the cutting box, and the clamping mechanism and the cutting mechanism are arranged in the cutting box; the clamping mechanism comprises a fixing ring which is coaxial with the first through hole, the fixing ring is provided with a plurality of round holes, and each round hole is internally provided with an elastic component; each elastic component comprises an elastic column which can move back and forth towards the center of the fixing ring, and a roller meter counter is arranged on the elastic column; the feeding mechanism is arranged on the workbench and used for conveying the pipes; terminal fixed establishment sets up and is used for fixing the tubular product end on the workstation, through terminal fixed establishment, fixture and feed mechanism's cooperation to carry out the multistage to the tubular product and fix, carry out fixed length cutting to the tubular product through the gyro wheel meter rice ware.

Description

Fixed-length cutting device of PVC (polyvinyl chloride) pipe production equipment
Technical Field
The invention relates to the field of PVC pipe processing, in particular to a fixed-length cutting device of PVC pipe production equipment.
Background
Along with the gradual replacement of traditional iron pipes by PVC pipes, the market occupation and the engineering use amount of the PVC pipes gradually rise, so that the PVC pipes are more convenient to transport and use in the later period, the PVC pipes are cut into small sections with the same amount, and the cut lengths are different due to different use scenes;
traditional cutting equipment cutting fixed length's pvc tubular product during, the tubular product that needs the staff to cut through before compares, cuts afterwards, and tubular product can not be fixed completely in cutting process, lead to at the in-process of cutting, tubular product produces vibrations, thereby the position that makes the cutting produces the change, lead to the decline of tubular product cutting quality, when spinning blade cutting tubular product, because the spinning blade extrudees the tubular product at same position, the temperature of production can make tubular product produce deformation.
Disclosure of Invention
To the problem that prior art exists, a fixed length cutting device of PVC tubular product production facility is provided, through elastic component 42, conflict subassembly and rolling assembly 51's cooperation, thereby can carry out the centre gripping to the tubular product of different specifications fixed, and it is fixed to carry out the three-section through the end and the intermediate position to tubular product, thereby when cutting blade cuts tubular product, can reduce the vibration of tubular product, thereby improve the integrality of cutting tubular product, and cutting blade encircles the cutting around tubular product, reduce the deformation of tubular product, not only can carry out the centre gripping to tubular product through a plurality of gyro wheel meter rice ware 422, and can also restrict the length of tubular product, a plurality of gyro wheel meter rice ware 422 obtain the average value, the tubular product length of cutting is more accurate.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
a fixed-length cutting device of PVC pipe production equipment comprises a workbench, a cutting box, a cutting mechanism, a clamping mechanism 4, a feeding mechanism 5 and a tail end fixing mechanism;
the cutting box is arranged on the workbench, a first through hole penetrating through the cutting box is formed in the center of one side of the cutting box, the clamping mechanism 4 is arranged in the cutting box, and the cutting mechanism is arranged in the cutting box and located on one side of the clamping mechanism 4;
the cutting mechanism comprises a cutting blade which can rotate around the first perforation axis and rotate, and the cutting blade can move back and forth along the direction vertical to the first perforation axis;
the clamping mechanism 4 comprises a fixing ring 41 coaxially arranged with the first through hole, the inner wall of the fixing ring 41 is provided with a plurality of round holes 411 along the circumferential direction, and each round hole 411 is internally provided with an elastic component 42 for fixing the pipe;
each elastic assembly 42 comprises an elastic column 421 capable of moving back and forth towards the center of the fixing ring 41, and one end of each elastic column 421, which is close to the center of the fixing ring 41, is provided with a roller meter 422;
the feeding mechanism 5 is arranged on the workbench and located on one side, far away from the cutting mechanism, of the cutting box, the feeding mechanism 5 comprises two rolling assemblies 51 used for pushing the pipe to move, the two rolling assemblies 51 are parallel to each other, each rolling assembly 51 comprises two pushing rollers 511 capable of approaching to and departing from each other and rotating, and the pushing rollers 511 are used for pushing the pipe to move along the direction of the first perforation axis;
the tail end fixing mechanism is arranged on the workbench and is positioned on one side, far away from the clamping mechanism 4, of the cutting box, the tail end fixing mechanism comprises a fixing block capable of moving back and forth along the axial direction of the first perforation, a circular groove coaxial with the first perforation is formed in one side, facing the cutting box, of the fixing block, and a contact disc is arranged in the circular groove in a sliding mode;
one side of the fixed block, which is close to the cutting box, is also provided with a collision component for fixing the tail end of the pipe;
conflict subassembly all is provided with the arc grip block that is used for carrying out the centre gripping to tubular product including two supporting rods that can be close to each other and keep away from along with conflict dish removes on every supporting rod.
Preferably, the clamping mechanism 4 further comprises a first annular slide rail 43, a first servo motor 44 and a first gear 45;
two supporting legs 412 are arranged on two sides of the fixing ring 41, the supporting legs 412 are arranged in the cutting box in an inverted L shape, and the supporting legs 412 are used for supporting the fixing ring 41, so that the fixing ring 41 and the first through hole of the cutting box are coaxially arranged;
the first annular slide rail 43 is slidably arranged on the outer wall of the fixing ring 41;
the elastic assembly 42 further comprises a first steel cord 423 and a first spring 424;
the plurality of first springs 424 are provided, the first springs 424 are arranged in the corresponding round holes 411, and two ends of each first spring 424 respectively abut against the inner wall of the bottom of the corresponding round hole 411 and the elastic column 421;
the first steel cables 423 are provided in plurality, and one end of the first steel cable 423 is disposed at the center of one end of the corresponding elastic column 421 away from the center of the fixing ring 41;
an annular groove 431 for avoiding the first steel rope 423 is formed in the inner wall of the first annular slide rail 43 along the circumferential direction, a plurality of annular protrusions 432 for connecting the first steel rope 423 are formed in the inner wall of the annular groove 431 away from the center of the fixing ring 41, and one end, away from the elastic column 421, of the first steel rope 423 penetrates through the fixing ring 41 to be connected with the corresponding annular protrusion 432;
the first servo motor 44 is arranged on the inner wall of the bottom of the cutting box, and an output shaft of the first servo motor 44 is connected with the center of the first gear 45;
the outer wall of the first annular slide rail 43 is provided with a plurality of gear teeth 433 along the circumferential direction, and the first gear 45 is engaged with the gear teeth 433 of the first annular slide rail 43.
Preferably, two first sliding grooves 413 are arranged on the inner wall of each circular hole 411 of the fixing ring 41, and the two first sliding grooves 413 are arranged in a mirror image mode relative to the axis of the circular hole 411;
two sliding blocks 4211 corresponding to the first sliding groove 413 are arranged on the outer wall of one end, close to the circular hole 411, of the elastic column 421, and the sliding blocks 4211 are arranged in the first sliding groove 413 in a sliding mode;
the inner wall of the fixing ring 41 is further provided with a limiting ring 46, the limiting ring 46 is provided with a plurality of second through holes 461 for the elastic columns 421 to pass through along the circumferential direction, and the elastic columns 421 can be slidably arranged in the corresponding second through holes 461.
Preferably, the cutting mechanism further comprises a semicircular bracket, a second annular slide rail, an annular sliding block 4211, a servo electric cylinder 35, a first motor base 36, a second servo motor 37, a third servo motor 38 and a second gear 39;
the semicircular bracket is arranged on the inner wall of the bottom of the cutting box and positioned on one side far away from the fixed ring 41, the second annular slide rail is arranged on the semicircular bracket, and the second annular slide rail and the first perforation of the cutting box are coaxially arranged;
the annular sliding block 4211 is slidably arranged in the second annular sliding rail;
the servo electric cylinder 35 is arranged on the inner wall of the ring-shaped sliding block 4211, and the execution part of the servo electric cylinder 35 faces to the center of the ring-shaped sliding block 4211;
a first motor base 36 is arranged at one end of the servo electric cylinder 35 facing the center of the ring-shaped sliding block 4211, a second servo motor 37 is arranged in the first motor base 36, an output shaft of the second servo motor 37 penetrates through the first motor base 36 to be connected with the center of a cutting blade, and the rotation horizontal plane of the cutting blade is perpendicular to the axis of the first through hole;
the third servomotor 38 is disposed at one side of the semicircular bracket, and the output shaft of the third servomotor 38 is disposed at the center of the second gear 39;
the outer wall of the annular sliding block 4211 is provided with a plurality of tooth grooves 341 along the circumferential direction, the outer wall of the second annular sliding rail close to the third servo motor 38 is provided with an annular avoiding opening for avoiding the second gear 39, and the second gear 39 passes through the annular avoiding opening to be meshed with the tooth grooves 341 of the annular sliding block 4211.
Preferably, the cutting blade is provided with two annular sanding sheets, and the annular sanding sheets are arranged on two sides of the cutting blade.
Preferably, a collecting mechanism for collecting cutting scraps is further arranged in the cutting box;
the collecting mechanism comprises a connecting frame, an axial flow fan and a collecting box;
the connecting frame is arranged on the inner wall of the bottom of the cutting box and positioned between the fixing ring 41 and the semicircular bracket, and the height of the connecting frame is lower than that of the first perforation;
the axial flow fans are arranged at equal intervals along the length direction of the connecting frame, and the wind direction of the axial flow fans is close to the direction of the semicircular bracket;
the collecting box is arranged on the inner wall of the bottom of the cutting box and is positioned on one side, away from the fixing ring 41, of the semicircular bracket, and the opening of the collecting box faces to the direction away from the workbench;
one end of the collecting box close to the annular sliding block 4211 is provided with a semicircular notch matched with the annular sliding block 4211, one side of the collecting box far away from the annular sliding block 4211 is provided with a fan-shaped baffle for blocking scraps, and the arc shape of the fan-shaped baffle faces to the direction close to the annular sliding block 4211;
one side of the cutting box along the direction of the first perforation axis is provided with a mounting groove for pulling the collecting box out.
Preferably, the feeding mechanism 5 further comprises a mounting table, a guide block, a conveyor belt, a feeding bin, a material baffle plate and a limiting bolt;
the mounting table is arranged on the workbench and is positioned on one side of the cutting box far away from the cutting mechanism;
the guide block is arranged on the mounting table, the length direction of the guide block is in the same direction with the axis of the first perforation, a guide groove for placing a pipe is formed in the guide block along the length direction, the guide groove is in a semicircular shape, and the guide groove and the first perforation are coaxially arranged;
the two rolling assemblies 51 are arranged between the guide block and the cutting box in parallel;
the conveying belt is obliquely arranged on the workbench and positioned on one side of the guide block along the length direction, the output end of the conveying belt is positioned above the guide groove and the pushing roller 511, and a plurality of intercepting plates are arranged on the conveying belt;
the feeding bin is arranged on the workbench and close to the output end of the conveying belt, the opening of the feeding bin faces the direction of the conveying belt, the inner wall of the bottom of the feeding bin is obliquely arranged, the inclined plane faces the direction of the conveying belt, and the input end of the conveying belt is close to the opening direction of the feeding bin;
one end of the inner wall of the bottom of the feeding bin, which is close to the conveyor belt, is provided with a fan-shaped annular groove for avoiding the interception plate;
the inner walls of two sides of the feeding bin, which are close to the opening, are provided with slots, the slots are arranged in the vertical direction and extend downwards, two ends of the material baffle are inserted into the corresponding slots, the outer walls of two sides of the feeding bin are provided with third through holes connected with the corresponding slots, the number of the third through holes is multiple, and the third through holes are arranged at equal intervals along the length direction of the slots;
the two limit bolts are arranged in the third through holes with the same height on the two sides of the feeding bin in a mirror mode.
Preferably, each rolling assembly 51 further comprises a bar-shaped slide rail 512, a bidirectional screw 513, a support plate, a second motor base, a fourth servo motor and a fifth servo motor;
the strip-shaped sliding rail 512 is arranged on the mounting table and is positioned between the guide block and the cutting box, and the length direction of the strip-shaped sliding rail 512 is vertical to the axial direction of the first through hole;
the two support plates are arranged on the strip-shaped slide rail 512 in a sliding manner, and each support plate is provided with a first threaded hole for connecting the two-way screw rod 513;
the bidirectional screw 513 is rotatably arranged in the strip-shaped slide rail 512, two ends of the bidirectional screw 513 are respectively in threaded connection with the first threaded holes of the corresponding support plates, the fourth servo motor is arranged on the mounting table, and an output shaft of the fourth servo motor penetrates through the strip-shaped slide rail 512 to be connected with the bidirectional screw 513 and is used for driving the bidirectional screw 513 to rotate;
the two second motor bases are arranged at the tops of the corresponding supporting plates;
the number of the fifth servo motors is two, the two fifth servo motors are arranged in the corresponding second motor bases in a vertical state, the two pushing rollers 511 are arranged at the tops of the corresponding second motor bases in a vertical state, and the output shafts of the fifth servo motors penetrate through the second motor bases and are connected with the corresponding pushing rollers 511.
Preferably, the tail end fixing mechanism further comprises a slide way, a threaded rod, a connecting plate, a supporting seat, a bearing and a sixth servo motor;
the two slideways are arranged on the workbench in parallel and are positioned on one side of the cutting box away from the feeding mechanism 5, and the length directions of the slideways are in the same direction of the first perforation axis;
the connecting plate is arranged in a horizontal state, two ends of the bottom of the connecting plate are arranged on the corresponding slide ways in a sliding manner, a semicircular bulge is arranged at the center of the bottom of the connecting plate, and a second threaded hole is formed in the semicircular bulge;
the fixed block is arranged on the top of the connecting plate in a vertical state;
the supporting seat is arranged on the workbench and positioned on one side, close to the cutting box, between the two slideways, and a circular recess for the bearing direction is formed in the center of one side, far away from the cutting box, of the supporting seat;
the bearing is arranged in the circular recess;
the sixth servo motor is arranged on the workbench, an output shaft of the sixth servo motor is connected with one end of the threaded rod, the threaded rod is connected with the connecting plate through the second threaded hole in a threaded mode, and one end, far away from the sixth servo motor, of the threaded rod can be rotatably arranged in the bearing.
Preferably, the interference component further comprises a return spring, a tension spring and a second steel rope;
the inner wall of the circular groove is provided with two second sliding chutes which are arranged in a mirror image mode relative to the axis of the circular groove and are arranged in a vertical state;
sliding strips corresponding to the two second sliding grooves are arranged on the contact disc, the contact disc can be slidably arranged in the circular groove, and the sliding strips can be slidably arranged in the corresponding second sliding grooves;
a plurality of reset springs are arranged at one end of the contact disc close to the inner part of the bottom of the circular groove, and two ends of each reset spring are respectively arranged at one end of the contact disc far away from the cutting box and the inner wall of the bottom of the circular groove;
the clamping rods are c-shaped, one end, far away from the arc-shaped clamping plate, of each clamping rod is hinged to one side, close to the cutting box, of the fixing block, the two clamping rods are arranged in a mirror image mode relative to the axis of the circular groove, the ends, far away from the arc-shaped clamping plate, of the two clamping rods are provided with first connecting rings for connecting tension springs, and one side, close to the cutting box, of the fixing block is provided with second connecting rings corresponding to the first connecting rings;
two tension springs are provided, and two ends of each tension spring are respectively connected with the corresponding first connecting ring and the corresponding second connecting ring;
the inner wall of the circular groove is also provided with two rectangular notches which are arranged in a mirror image mode relative to the axis of the circular groove and are arranged in a horizontal state, and the outer wall of the abutting disc is provided with two rectangular bulges corresponding to the rectangular notches;
the number of the second steel ropes is two, one end of each second steel rope is connected with the corresponding rectangular protrusion, and the other end of each second steel rope is connected with one side, close to the circular groove, of the corresponding clamping rod.
Compared with the prior art, the beneficial effect of this application is:
1. this application passes through elastic component 42, conflict subassembly and rolling subassembly 51's cooperation, thereby can carry out the centre gripping to the tubular product of different specifications fixed, and it is fixed to carry out the three-section through the end to tubular product and intermediate position, thereby when cutting blade cuts tubular product, can reduce the vibration of tubular product, thereby improve the integrality of cutting tubular product, not only can carry out the centre gripping to tubular product through a plurality of gyro wheel meter rice ware 422, and can also restrict the length of tubular product, a plurality of gyro wheel meter rice ware 422 obtain the average value, the tubular product length of cutting is more accurate.
2. This application is through cutting tubular product in the cutting incasement, avoid clastic splashing, still be provided with the collection mechanism that handles the piece in the cutting incasement moreover, axial fan not only can blow into the collecting box with the piece that the cutting produced, the collecting box can be followed the cutting incasement and pulled out, the staff of being convenient for carries out secondary treatment to the piece, can also produce the circulation to the air of whole cutting case, thereby reduce the temperature in the whole cutting case, thereby reduce the deformation of tubular product.
3. This application is passed through annular slider 4211 and is rotated along second annular slide rail to make cutting blade rotate along first perforation axis, thereby encircle the cutting to the outer wall of tubular product, avoid same position, the deformation that long-time contact produced, and can adjust the distance of cutting blade and annular dull polish piece through servo electric jar 35, thereby the tubular product cutting of adaptation different specifications and the cutting position to tubular product dull polish, reduce the hand to the staff and cause the damage.
4. This application is through being provided with feed mechanism 5, through adjusting spacing bolt and striker plate to the export that makes the feed bin only supplies single tubular product to come in and go out, and be provided with on the conveyer belt and block the board and can avoid the tubular product landing, be provided with the guide block, be provided with the guide way on the guide block, thereby guarantee that tubular product can be pushed to the cutting incasement by promotion roller 511 and cut.
5. Can make the fixed block be close to the cutting box through terminal fixed establishment to make the pipeline end can extrude the conflict dish, the conflict dish passes through second steel cable pulling supporting rod, and the arc grip block on the supporting rod can carry out self-adaptation's centre gripping fixed to tubular product, thereby reduces the harm of rigidity centre gripping to tubular product, guarantees the stability of tubular product.
Drawings
FIG. 1 is a perspective view of a fixed-length cutting device of a PVC pipe production facility;
FIG. 2 is a perspective view of the hidden cutting box of FIG. 1;
FIG. 3 is a perspective view of a clamping mechanism in the fixed-length cutting device of the PVC pipe production equipment;
FIG. 4 is a side view of a clamping mechanism in a fixed-length cutting device of a PVC pipe production facility;
FIG. 5 isbase:Sub>A plan sectional view taken along A-A of FIG. 4;
FIG. 6 is a perspective view of a first annular slide rail in the fixed-length cutting device of the PVC pipe production equipment;
FIG. 7 is a perspective view of an annular slider in a fixed-length cutting device of a PVC pipe production facility;
FIG. 8 is a perspective view of the elastic assembly in the fixed length cutting device of the PVC pipe production equipment;
FIG. 9 is a perspective view of a cutting mechanism in the fixed-length cutting device of the PVC pipe production equipment;
FIG. 10 is a side view of a cutting mechanism in the fixed length cutting apparatus of the PVC pipe production facility;
FIG. 11 is a plan sectional view taken along the line B-B of FIG. 10;
FIG. 12 is a perspective view of a collecting mechanism in the fixed-length cutting device of the PVC pipe production equipment;
FIG. 13 is a perspective view of a feeding mechanism in the fixed-length cutting device of the PVC pipe production equipment;
FIG. 14 is a perspective view of a rolling assembly in the fixed length cutting device of the PVC pipe production equipment;
FIG. 15 is a perspective view of a distal end fixing mechanism in the fixed-length cutting device of the PVC pipe production equipment;
fig. 16 is a perspective view of a fixed block and an abutting component in a fixed-length cutting device of a PVC pipe production facility;
FIG. 17 is an enlarged view of a portion of FIG. 16 at C;
fig. 18 is a perspective view of the hidden fixed block of fig. 16;
the reference numbers in the figures are:
1-a workbench;
2-cutting the box; 21-a first perforation; 22-mounting grooves;
3-a cutting mechanism; 31-a cutting blade; 311-ring-shaped sanding sheet; 32-semicircular brackets; 33-a second annular slide rail; 331-annular avoidance ports; 34-ring slider 4211; 341-gullet 341; 35-servo electric cylinder 35; 36-a first motor mount 36; 37-second servomotor 37; 38-third servomotor 38; 39-second gear 39;
4-a clamping mechanism 4; 41-a fixed ring 41; 411-round hole 411; 412-support legs 412; 413-a first runner 413; 42-a resilient component 42; 421-elastic column 421; 4211-slider 4211; 422-roller meter gauge 422; 423-first steel cord 423; 424-first spring 424; 43-first endless glide track 43; 431-annular groove 431; 432-annular projection 432; 433-gear teeth 433; 44-a first servomotor 44; 45-a first gear 45; 46-a stop collar 46; 461-second perforation 461;
5-a feeding mechanism 5; 51-rolling assembly 51; 511-push roller 511; 512-bar slide 512; 513-bidirectional lead screw 513; 514-support plate; 5141-first threaded hole; 515-a second motor mount; 516-a fourth servo motor; 517-a fifth servo motor; 52-a mounting table; 53-a guide block; 531-guide groove; 54-a conveyor belt; 541-a interception plate; 55-a feeding bin; 551-sector ring groove; 552-slot; 553-third perforations; 56-a striker plate; 57-a limit bolt;
6-terminal fixing means; 61-a fixed block; 611-circular grooves; 612-a second runner; 613-second connecting ring; 614-rectangular cut; 62-a touch pad; 621-a slide bar; 622-rectangular protrusions; 63-a collision component; 631-a clamping bar; 6311-first connecting ring; 632-arc clamping plates; 633-a return spring; 634-a tension spring; 635-a second steel cord; 64-a slide way; 65-threaded rod; 66-connecting plate; 661-semicircular convex; 662-a second threaded hole; 67-a support base; 671-circular depression; 68-a bearing; 69-a sixth servo motor;
7-a collecting mechanism; 71-a connecting frame; 72-axial flow fan; 73-a collection tank; 731-semicircular notch; 732-sector baffle.
Detailed Description
For a better understanding of the features and technical solutions of the present invention, as well as the specific objects and functions attained by the present invention, reference is made to the accompanying drawings and detailed description of the invention.
Referring to fig. 1 to 18, a fixed-length cutting device of a PVC pipe production apparatus includes a workbench 1, a cutting box 2, a cutting mechanism 3, a clamping mechanism 4, a feeding mechanism 5 and a terminal fixing mechanism 6;
the cutting box 2 is arranged on the workbench 1, a first through hole 21 penetrating through the cutting box 2 is formed in the center of one side of the cutting box 2, the clamping mechanism 4 is arranged in the cutting box 2, and the cutting mechanism 3 is arranged in the cutting box 2 and is positioned on one side of the clamping mechanism 4;
the cutting mechanism 3 comprises a cutting blade 31 which can rotate around the axis of the first through hole 21 and rotate, and the cutting blade 31 can move back and forth along the direction vertical to the axis of the first through hole 21;
the clamping mechanism 4 comprises a fixing ring 41 which is coaxial with the first through hole 21, the inner wall of the fixing ring 41 is provided with a plurality of round holes 411 along the circumferential direction, and each round hole 411 is internally provided with an elastic component 42 for fixing the pipe;
each elastic assembly 42 comprises an elastic column 421 capable of moving back and forth towards the center of the fixing ring 41, and one end of each elastic column 421, which is close to the center of the fixing ring 41, is provided with a roller meter 422;
the feeding mechanism 5 is arranged on the workbench 1 and located on one side, far away from the cutting mechanism 3, of the cutting box 2, the feeding mechanism 5 comprises two rolling assemblies 51 used for pushing the pipe to move, the two rolling assemblies 51 are parallel to each other, each rolling assembly 51 comprises two pushing rollers 511 capable of approaching and departing from each other and rotating, and the pushing rollers 511 are used for pushing the pipe to move along the axial direction of the first through hole 21;
the tail end fixing mechanism 6 is arranged on the workbench 1 and is positioned on one side, far away from the clamping mechanism 4, of the cutting box 2, the tail end fixing mechanism 6 comprises a fixing block 61 capable of moving back and forth along the axial direction of the first through hole 21, a circular groove 611 coaxial with the first through hole 21 is arranged on one side, facing the cutting box 2, of the fixing block 61, and a contact disc 62 is arranged in the circular groove 611 in a sliding mode;
one side of the fixed block 61 close to the cutting box 2 is also provided with a collision component 63 for fixing the tail end of the pipe;
conflict subassembly 63 is including two clamping bars 631 that can move near each other and keep away from along with the conflict dish 62, all is provided with the arc grip block 632 that is used for carrying out the centre gripping to tubular product on every clamping bar 631.
The worker places the pipe on the feeding mechanism 5, the feeding mechanism 5 includes two rolling assemblies 51 for pushing the pipe to move, each rolling assembly 51 includes two pushing rollers 511 capable of approaching and departing from each other and rotating, the two pushing rollers 511 approach each other to clamp and fix the pipe, then the pushing rollers 511 rotate to push the pipe to move toward the first perforation 21 close to the cutting box 2, the pipe enters the cutting box 2, then the elastic columns 421 move toward the direction close to the center of the fixing ring 41 synchronously, so that the roller meters 422 can abut against the outer wall of the pipe, at this time, the pushing rollers 511 continue to push the pipe to move, the roller meters 422 roll along with the movement of the pipe, so as to record the length passing through the roller meters 422, so that the obtained data is more accurate, reduce errors generated by cutting, then when the recorded average data minus the distance between the roller wheels 31 and the roller meters 422 equals to 511, the pushing rollers stop rotating, at this time, the fixing block 61 moves toward the direction close to the pipe, the end of the pipe moves toward the end of the roller meters 631, and the clamping disk 62 moves towards the end of the arc-shaped clamping disk 631, thereby increasing the stability of the clamping disk 62, when the clamping disk 62, the clamping disk 62 moves towards the clamping disk 62, and the clamping disk 632 moves towards the end of the cutting box, and the clamping disk 62, so that the clamping disk 21, the clamping disk 62, the clamping disk is set up to move along with the arc-shaped clamping rod, and the clamping disk 632 of the clamping disk, and the clamping disk, when the clamping disk 21, and cutting blade 31 can follow the first perforation 21 axis direction of perpendicular to and reciprocate, along with cutting blade 31 rotates along first perforation 21 axis direction, thereby encircle the cutting to the outer wall of tubular product, improve cutting quality, cutting case 2 can avoid the piece that the cutting produced to spatter in disorder, after the cutting is accomplished, push roll 511 rotates, the record is continued to gyro wheel meter rice ware 422 square, fixed block 61 moves towards the direction of keeping away from cutting case 2, the tubular product that is accomplished by the cutting shifts out from cutting case 2, repeat above steps afterwards, thereby accomplish the fixed length cutting to tubular product.
Referring to fig. 1 to 8, the clamping mechanism 4 further includes a first annular slide rail 43, a first servo motor 44 and a first gear 45;
two supporting legs 412 are arranged on two sides of the fixing ring 41, the supporting legs 412 are arranged in the cutting box 2 in an inverted-L shape, and the supporting legs 412 are used for supporting the fixing ring 41, so that the fixing ring 41 and the first through hole 21 of the cutting box 2 are coaxially arranged;
the first annular slide rail 43 is slidably arranged on the outer wall of the fixed ring 41;
the elastic assembly 42 further comprises a first steel cord 423 and a first spring 424;
the number of the first springs 424 is multiple, the first springs 424 are arranged in the corresponding round holes 411, and two ends of each first spring 424 respectively abut against the inner wall of the bottom of the corresponding round hole 411 and the elastic column 421;
the first steel cables 423 are provided in plurality, and one end of the first steel cable 423 is disposed at the center of one end of the corresponding elastic column 421 away from the center of the fixing ring 41;
an annular groove 431 for avoiding the first steel rope 423 is formed in the inner wall of the first annular slide rail 43 along the circumferential direction, a plurality of annular protrusions 432 for connecting the first steel rope 423 are formed in the inner wall of the annular groove 431 away from the center of the fixing ring 41, and one end, away from the elastic column 421, of the first steel rope 423 penetrates through the fixing ring 41 to be connected with the corresponding annular protrusion 432;
the first servo motor 44 is arranged on the inner wall of the bottom of the cutting box 2, and an output shaft of the first servo motor 44 is connected with the center of the first gear 45;
the outer wall of the first annular slide rail 43 is provided with a plurality of gear teeth 433 along the circumferential direction, and the first gear 45 is engaged with the gear teeth 433 of the first annular slide rail 43.
Drive first gear 45 through first servo motor 44 and rotate, first gear 45 meshes with teeth of a cogwheel 433 of first annular slide rail 43, thereby it rotates along solid fixed ring 41 axis direction to drive first annular slide rail 43, first annular slide rail 43 inner wall is provided with the annular groove 431 that is used for dodging first steel cable 423 along the circumferencial direction, at this moment, annular protrusion 432 of first annular slide rail 43 stimulates a plurality of first steel cables 423, thereby extrude a plurality of first springs 424, make elasticity post 421 can towards keeping away from solid fixed ring 41 center department direction removal, thereby the great tubular product of centre gripping pipe diameter, when a plurality of roller meter ware 422 contact tubular product outer wall, first servo motor 44 stall, thereby make roller meter ware 422 can carry out the record data, when carrying out the processing to the less processing of pipe diameter, first servo motor 44 drives first gear 45 counter rotation, first gear 45 drives first annular slide rail 43 and rotates, thereby make first steel cable 423 reset, first spring 424 produces the elastic force, thereby promote roller meter ware 422 can move towards the direction of being close to the direction of tubular product, thereby avoid the damage of self-adaptive pipe material to the damage of centre gripping meter ware, the quality improvement of cutting tubular product is improved.
As shown in fig. X, two first sliding grooves 413 are arranged on the inner wall of each circular hole 411 of the fixing ring 41, and the two first sliding grooves 413 are arranged in a mirror image manner relative to the axis of the circular hole 411;
two sliding blocks 4211 corresponding to the first sliding groove 413 are arranged on the outer wall of one end, close to the circular hole 411, of the elastic column 421, and the sliding blocks 4211 are arranged in the first sliding groove 413 in a sliding mode;
the inner wall of the fixing ring 41 is further provided with a limiting ring 46, the limiting ring 46 is provided with a plurality of second through holes 461 for the elastic columns 421 to pass through along the circumferential direction, and the elastic columns 421 can be slidably arranged in the corresponding second through holes 461.
Through being provided with two sliders 4211 in the one end that elasticity post 421 is close to round hole 411, every round hole 411 inner wall of solid fixed ring 41 all is provided with two first spouts 413, first spout 413 and the slider 4211 sliding connection that corresponds, thereby guarantee the moving direction of elasticity post 421, reduce the error of gyro wheel meter rice ware 422, and still be provided with spacing ring 46 at the inner wall of solid fixed ring 41, spacing ring 46 is provided with the second perforation 461 that a plurality of confession elasticity posts 421 passed along the circumferencial direction, elasticity post 421 slidable sets up in the second perforation 461 that corresponds, when first spring 424 produced elastic force and impeld elasticity post 421 and be close to solid fixed ring 41 center department, slider 4211 can contradict spacing ring 46, thereby avoid elasticity post 421 to be popped out corresponding round hole 411 by the elastic force of first spring 424.
Referring to fig. 2, 9 to 11, the cutting mechanism 3 further includes a semicircular bracket 32, a second annular slide rail 33, an annular slider 34, a servo electric cylinder 35, a first motor base 36, a second servo motor 37, a third servo motor 38 and a second gear 39;
the semicircular bracket 32 is arranged on the inner wall of the bottom of the cutting box 2 and is positioned at one side far away from the fixed ring 41, the second annular slide rail 33 is arranged on the semicircular bracket 32, and the second annular slide rail 33 is arranged coaxially with the first perforation 21 of the cutting box 2;
the annular slide block 34 is slidably arranged in the second annular slide rail 33;
the servo electric cylinder 35 is arranged on the inner wall of the annular slide block 34, and the execution part of the servo electric cylinder 35 faces to the center of the annular slide block 34;
a first motor base 36 is arranged at one end of the servo electric cylinder 35 facing the center of the annular sliding block 34, a second servo motor 37 is arranged in the first motor base 36, an output shaft of the second servo motor 37 penetrates through the first motor base 36 to be connected with the center of the cutting blade 31, and the rotation horizontal plane of the cutting blade 31 is perpendicular to the axis of the first through hole 21;
a third servomotor 38 is provided at one side of the semicircular bracket 32, and an output shaft of the third servomotor 38 is provided at the center of the second gear 39;
a plurality of tooth grooves 341 are formed in the outer wall of the annular sliding block 34 along the circumferential direction, an annular avoiding opening 331 for avoiding the second gear 39 is formed in the outer wall of the second annular sliding rail 33 close to the third servo motor 38, and the second gear 39 penetrates through the annular avoiding opening 331 to be meshed with the tooth grooves 341 of the annular sliding block 34.
After fixed the accomplishing of tubular product, the staff adjusts servo electric cylinder 35's motion stroke according to the tubular product of different specification sizes, the messenger cuts off the blade and can be close to tubular product, drive cutting blade 31 through second servo motor 37 and rotate, thereby cut the tubular product, and the rotation through third servo motor 38, drive second gear 39 rotates, second gear 39 passes through annular breach and annular slider 34's tooth's socket 341 meshing, thereby it can rotate at second annular slide rail 33 to drive annular slider 34, along with annular slider 34's rotation, drive servo electric cylinder 35 and rotate, thereby make cutting blade 31 rotate along annular slider 34 axis direction, thereby carry out annular cutting to the outer wall of tubular product, improve cutting quality, reduce the deformation that cutting in-process tubular product produced.
Referring to fig. 9 to 11, two annular abrasive segments 311 are provided on the cutting blade 31, and the annular abrasive segments 311 are provided on both sides of the cutting blade 31.
Through being provided with annular dull polish piece 311 in cutting blade 31's both sides, at the in-process of cutting, the drive through servo electric cylinder 35 makes annular dull polish piece 311 contact tubular product's outer wall, and cutting blade 31's rotation drives annular dull polish piece 311 and rotates, and annular dull polish piece 311 can polish the deckle edge that the cutting position produced to improve the finished product quality of cutting tubular product.
As shown in fig. 2 and 12, a collecting mechanism 7 for collecting cutting chips is further provided in the cutting box 2;
the collecting mechanism 7 comprises a connecting frame 71, an axial flow fan 72 and a collecting box 73;
the connecting frame 71 is arranged on the inner wall of the bottom of the cutting box 2 and is positioned between the fixed ring 41 and the semicircular bracket 32, and the height of the connecting frame 71 is lower than that of the first through hole 21;
the number of the axial flow fans 72 is multiple, the axial flow fans 72 are arranged at equal intervals along the length direction of the connecting frame 71, and the wind direction of the axial flow fans 72 faces to the direction close to the semicircular bracket 32;
the collecting box 73 is arranged on the inner wall of the bottom of the cutting box 2 and is positioned on one side of the semicircular bracket 32 far away from the fixed ring 41, and the collecting box 73 is opened towards the direction far away from the workbench 1;
one end of the collecting box 73 close to the annular slide block 34 is provided with a semicircular notch 731 fitted with the annular slide block 34, one side of the collecting box 73 far away from the annular slide block 34 is provided with a fan-shaped baffle 732 for blocking chippings, and the arc of the fan-shaped baffle 732 faces to the direction close to the annular slide block 34;
one side of the cutting box 2 in the axial direction of the first penetration hole 21 is provided with a mounting groove 22 for pulling out the collection box 73.
When a worker cuts, the axial flow fans 72 arranged on the connecting frame 71 can be opened, the number of the axial flow fans 72 is multiple, the axial flow fans 72 are arranged at equal intervals along the length direction of the connecting frame 71, the wind direction of the axial flow fans 72 faces towards the direction close to the semicircular support 32 so as to blow the debris towards the collection box 73, one end, close to the annular slide block 34, of the collection box 73 is provided with a semicircular notch 731 matched with the annular slide block 34, the debris falling on the annular slide block 34 can be blown into the direction of the collection box 73, one side, far away from the annular slide block 34, of the collection box 73 is provided with a fan-shaped baffle 732 used for blocking the debris, the arc of the fan-shaped baffle 732 faces towards the direction close to the annular slide block 34, the fan-shaped baffle 732 can intercept the debris so as to enable the debris to enter the collection box 73, one side, along the axial direction of the first through hole 21, of the cutting box 2 is provided with the mounting groove 22 for pulling out of the collection box 73, and the worker can conveniently perform secondary treatment on the cut debris.
Referring to fig. 1, 2, 13 and 14, the feeding mechanism 5 further includes a mounting table 52, a guide block 53, a conveyor belt 54, a feeding bin 55, a striker plate 56 and a limit bolt 57;
the mounting table 52 is arranged on the workbench 1 and is positioned on one side of the cutting box 2 away from the cutting mechanism 3;
the guide block 53 is arranged on the mounting table 52, the length direction of the guide block 53 is the same as the axial line of the first through hole 21, a guide groove 531 for placing a pipe is arranged on the guide block 53 along the length direction, the guide groove 531 is in a semicircular shape, and the guide groove 531 is arranged coaxially with the first through hole 21;
the two rolling assemblies 51 are arranged parallel to each other between the guide block 53 and the cutting box 2;
the conveyor belt 54 is arranged on the workbench 1 in an inclined state and positioned at one side of the guide block 53 in the length direction, the output end of the conveyor belt 54 is positioned above the guide groove 531 and the push roller 511, and a plurality of baffle plates 541 are arranged on the conveyor belt 54;
the feeding bin 55 is arranged on the workbench 1 and close to the output end of the conveyor belt 54, the opening of the feeding bin 55 faces to the direction of the conveyor belt 54, the inner wall of the bottom of the feeding bin 55 is obliquely arranged, the inclined surface faces to the direction of the conveyor belt 54, and the input end of the conveyor belt 54 is close to the opening direction of the feeding bin 55;
one end of the inner wall of the bottom of the feeding bin 55 close to the conveyor belt 54 is provided with a fan-shaped annular groove 551 for avoiding the interception plate 541;
the inner walls of the two sides of the feeding bin 55 close to the opening are provided with slots 552, the slots 552 are arranged in the vertical direction and extend downwards, two ends of the baffle plate 56 are inserted into the corresponding slots 552, the outer walls of the two sides of the feeding bin 55 are provided with third through holes 553 connected with the corresponding slots 552, a plurality of the third through holes 553 are arranged, and the third through holes 553 are arranged at equal intervals along the length direction of the slots 552;
the two limit bolts 57 are arranged in the third through holes 553 with the same height on both sides of the feeding bin 55 in a mirror image manner.
The staff places tubular product in feed bin 55, afterwards, adjust the height of striker plate 56, make the distance between striker plate 56 and the inner wall of feed bin 55 bottom only supply the space that single tubular product passes through, subsequently, start conveyer belt 54, conveyer belt 54 rotates, be provided with a plurality of interception boards 541 that avoid tubular product to drop on the conveyer belt 54, the inner wall of feed bin 55 bottom is the slope setting, the inclined plane is towards conveyer belt 54 direction, the input of conveyer belt 54 is close to the opening direction of feed bin 55, thereby can make entering into conveyer belt 54 that tubular product can accomplish, avoid tubular product to remain in feed bin 55, the one end that the inner wall of feed bin 55 bottom is close to conveyer belt 54 is provided with the fan-shaped annular groove 551 who is used for dodging interception board 541, interception board 541 rotates along with conveyer belt 54 thereby single tubular product removes, when it removes to guide block 53 top, because of gravity effect, tubular product drops into guide way 531, the output of conveyer belt 54 is located guide way and push roll 511 top, when push roll 511 is close to each other and rotate, can guarantee that tubular product can be promoted by the centre gripping and carry out, and because first perforation sets up and can guarantee to cutting box 2 coaxially.
Referring to fig. 13 and 14, each rolling assembly 51 further includes a bar-shaped slide rail 512, a bidirectional screw 513, a support plate 514, a second motor base 515, a fourth servo motor 516 and a fifth servo motor 517;
the strip-shaped slide rail 512 is arranged on the mounting table 52 and is positioned between the guide block 53 and the cutting box 2, and the length direction of the strip-shaped slide rail 512 is vertical to the axial direction of the first through hole 21;
two support plates 514 are provided, the two support plates 514 are slidably arranged on the strip-shaped slide rail 512, and each support plate 514 is provided with a first threaded hole 5141 for connecting the two-way screw rod 513;
the bidirectional screw 513 can be rotatably arranged in the bar-shaped slide rail 512, two ends of the bidirectional screw 513 are respectively in threaded connection with the first threaded holes 5141 of the corresponding support plates 514, the fourth servo motor 516 is arranged on the mounting table 52, and an output shaft of the fourth servo motor 516 penetrates through the bar-shaped slide rail 512 to be connected with the bidirectional screw 513 and is used for driving the bidirectional screw 513 to rotate;
two second motor bases 515 are arranged, and the two second motor bases 515 are arranged at the tops of the corresponding supporting plates 514;
there are two fifth servo motors 517, and two fifth servo motors 517 are vertical state setting in the second motor cabinet 515 that corresponds, and two pushing rollers 511 are the second motor cabinet 515 top that vertical state setting corresponds, and the output shaft of fifth servo motor 517 passes second motor cabinet 515 and is connected with the pushing rollers 511 that correspond.
Two-way lead screw 513 of drive through fourth servo motor 516 rotates, the both ends of two-way lead screw 513 are connected in the backup pad 514 that corresponds respectively, thereby it can be close to each other and keep away from on bar slide rail 512 to drive two backup pads 514 simultaneously, thereby carry out centre gripping and promotion to the tubular product of different specifications, two fifth servo motor 517 rotates this moment, drive the promotion roller 511 that corresponds and rotate, thereby carry to the cutting box 2 in with the tubular product that drops on the conveyer belt 54, and two sets of rolling component 51's setting, can improve the promotion efficiency of tubular product, improve the stability of promoting.
Referring to fig. 1, 2 and 15, the end fixing mechanism 6 further includes a slide 64, a threaded rod 65, a connecting plate 66, a support seat 67, a bearing 68 and a sixth servo motor 69;
the two slide ways 64 are arranged on the workbench 1 in parallel, the two slide ways 64 are positioned on one side, away from the feeding mechanism 5, of the cutting box 2, and the length directions of the slide ways 64 are in the same direction as the axis of the first through hole 21;
the connecting plate 66 is arranged in a horizontal state, two ends of the bottom of the connecting plate 66 are slidably arranged on the corresponding slide ways 64, a semicircular bulge 661 is arranged at the center of the bottom of the connecting plate 66, and a second threaded hole 662 is formed in the semicircular bulge 661;
the fixed block 61 is vertically arranged at the top of the connecting plate 66;
the supporting seat 67 is arranged on the workbench 1 and positioned on one side, close to the cutting box 2, between the two slideways 64, and a circular recess 671 for the direction of the bearing 68 is arranged at the center of one side, far away from the cutting box 2, of the supporting seat 67;
bearing 68 is disposed within circular recess 671;
the sixth servo motor 69 is arranged on the workbench 1, an output shaft of the sixth servo motor 69 is connected with one end of a threaded rod 65, the threaded rod 65 is in threaded connection with the connecting plate 66 through a second threaded hole 662, and one end, far away from the sixth servo motor 69, of the threaded rod 65 is rotatably arranged in the bearing 68.
The staff drives threaded rod 65 through sixth servo motor 69 and rotates, the rasp bar passes through second screw hole 662 and connecting plate 66 threaded connection, the one end that sixth servo motor 69 was kept away from to threaded rod 65 can the pivoted setting in bearing 68, thereby it can remove along the length direction of two slide 64 to drive connecting plate 66, thereby promote fixed block 61 and can remove towards the direction that is close to tubular product, thereby make conflict subassembly 63 can carry out the centre gripping to the end of tubular product, thereby improve the in-process at tubular product cutting, the stability of tubular product, reduce the in-process at the cutting, the deformation that tubular product produced.
Referring to fig. 16 to 18, the interference assembly 63 further includes a return spring 633, a tension spring 634, and a second steel cable 635;
two second sliding grooves 612 are arranged on the inner wall of the circular groove 611, the two second sliding grooves 612 are arranged in a mirror image mode relative to the axis of the circular groove 611, and the two second sliding grooves 612 are arranged in a vertical state;
the contact disc 62 is provided with sliding strips 621 corresponding to the two second sliding grooves 612, the contact disc 62 is slidably arranged in the circular groove 611, and the sliding strips 621 are slidably arranged in the corresponding second sliding grooves 612;
a plurality of return springs 633 are arranged at one end of the contact disc 62 close to the inner part of the bottom of the circular groove 611, and two ends of each return spring 633 are respectively arranged at one end of the contact disc 62 far away from the cutting box 2 and the inner wall of the bottom of the circular groove 611;
the clamping rods 631 are c-shaped, one end of each clamping rod 631, which is far away from the arc-shaped clamping plate 632, is hinged to one side, which is close to the cutting box 2, of the fixing block 61, the two clamping rods 631 are arranged in a mirror image manner relative to the axis of the circular groove 611, the ends, which are far away from the two clamping rods 631, are provided with first connecting rings 6311 for connecting the tension springs 634, and one side, which is close to the cutting box 2, of the fixing block 61 is provided with second connecting rings 613 corresponding to the first connecting rings 6311;
two tension springs 634, wherein two ends of each tension spring 634 are respectively connected with the corresponding first connecting ring 6311 and the second connecting ring 613;
the inner wall of the circular groove 611 is further provided with two rectangular notches 614, the two rectangular notches 614 are arranged in a mirror image mode relative to the axis of the circular groove 611, the two rectangular notches 614 are arranged in a horizontal state, and the outer wall of the contact disc 62 is provided with two rectangular protrusions 622 corresponding to the rectangular notches 614;
the second steel wire 635 has two second steel wires 635, one end of the second steel wire 635 is connected to the corresponding rectangular protrusion 622, and the other end of the second steel wire 635 is connected to one side of the corresponding clamping bar 631 adjacent to the circular groove 611.
When the terminal of tubular product contradicts conflict dish 62, conflict dish 62 extrudes a plurality of reset spring 633, the corresponding extension spring 634 of holding rod 631 pulling, conflict dish 62 moves towards the direction of being close to circular recess 611 bottom, thereby pulling second steel cable 635, second steel cable 635 has two, the one end and the corresponding rectangle of second steel cable 635 are protruding 622 to be connected, the other end and the one side that corresponds holding rod 631 is close to circular recess 611 of second steel cable 635 are connected, holding rod 631 is the shape of a letter c, the one end that arc clamping plate 632 was kept away from to each holding rod 631 is articulated with the one side that fixed block 61 is close to cutting box 2, thereby pulling two holding rods 631 are close to each other, it is fixed to carry out the centre gripping to the tubular product, when fixed block 61 moves towards the direction of keeping away from cutting box 2, reset spring 633 produces the elastic force, thereby it moves towards the direction of keeping away from circular recess 611 to promote touch dish 62, second steel cable 635 is not hard up, extension spring 634 produces the elastic force, the corresponding holding rod 631 of pulling is kept away from each other, thereby make arc clamping plate 632 separate with tubular product, thereby take out tubular product.
The above examples only show one or more embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (7)

1. A fixed-length cutting device of PVC pipe production equipment is characterized by comprising a workbench (1), a cutting box (2), a cutting mechanism (3), a clamping mechanism (4), a feeding mechanism (5) and a tail end fixing mechanism (6);
the cutting box (2) is arranged on the workbench (1), a first through hole (21) penetrating through the cutting box (2) is formed in the center of one side of the cutting box (2), the clamping mechanism (4) is arranged in the cutting box (2), and the cutting mechanism (3) is arranged in the cutting box (2) and located on one side of the clamping mechanism (4);
the cutting mechanism (3) comprises a cutting blade (31) which can rotate around the axis of the first through hole (21) and rotate, and the cutting blade (31) can move back and forth along the direction vertical to the axis of the first through hole (21);
the clamping mechanism (4) comprises a fixing ring (41) which is coaxial with the first through hole (21), the inner wall of the fixing ring (41) is provided with a plurality of round holes (411) along the circumferential direction, and each round hole (411) is internally provided with an elastic component (42) for fixing the pipe;
each elastic component (42) comprises an elastic column (421) capable of moving back and forth towards the center of the fixing ring (41), and one end, close to the center of the fixing ring (41), of each elastic column (421) is provided with a roller meter counter (422);
the feeding mechanism (5) is arranged on the workbench (1) and located on one side, away from the cutting mechanism (3), of the cutting box (2), the feeding mechanism (5) comprises two rolling assemblies (51) used for pushing the pipes to move, the two rolling assemblies (51) are parallel to each other, each rolling assembly (51) comprises two pushing rollers (511) capable of being close to and far away from each other and rotating, and the pushing rollers (511) are used for pushing the pipes to move along the axial direction of the first through holes (21);
the tail end fixing mechanism (6) is arranged on the workbench (1) and is positioned on one side, away from the clamping mechanism (4), of the cutting box (2), the tail end fixing mechanism (6) comprises a fixing block (61) capable of moving back and forth along the axis direction of the first through hole (21), a circular groove (611) coaxial with the first through hole (21) is formed in one side, facing the cutting box (2), of the fixing block (61), and a touch resisting disc (62) is arranged in the circular groove (611) in a sliding mode;
one side of the fixed block (61) close to the cutting box (2) is also provided with a collision component (63) for fixing the tail end of the pipe;
the collision component (63) comprises two clamping rods (631) which can move close to and away from each other along with the collision disk (62), and each clamping rod (631) is provided with an arc-shaped clamping plate (632) for clamping the pipe;
the cutting mechanism (3) further comprises a semicircular bracket (32), a second annular slide rail (33), an annular slide block (34), a servo electric cylinder (35), a first motor base (36), a second servo motor (37), a third servo motor (38) and a second gear (39);
the semicircular bracket (32) is arranged on the inner wall of the bottom of the cutting box (2) and is positioned on one side far away from the fixing ring (41), the second annular sliding rail (33) is arranged on the semicircular bracket (32), and the second annular sliding rail (33) is coaxially arranged with the first through hole (21) of the cutting box (2);
the annular sliding block (34) is arranged in the second annular sliding rail (33) in a sliding manner;
the servo electric cylinder (35) is arranged on the inner wall of the annular sliding block (34), and the execution part of the servo electric cylinder (35) faces to the center of the annular sliding block (34);
a first motor base (36) is arranged at one end of the servo electric cylinder (35) facing to the center of the annular sliding block (34), a second servo motor (37) is arranged in the first motor base (36), an output shaft of the second servo motor (37) penetrates through the first motor base (36) to be connected with the center of the cutting blade (31), and the rotation horizontal plane of the cutting blade (31) is perpendicular to the axis of the first through hole (21);
a third servo motor (38) is arranged on one side of the semicircular bracket (32), and an output shaft of the third servo motor (38) is arranged at the center of the second gear (39);
a plurality of tooth sockets (341) are formed in the outer wall of the annular sliding block (34) along the circumferential direction, an annular avoiding opening (331) used for avoiding the second gear (39) is formed in the outer wall, close to the third servo motor (38), of the second annular sliding rail (33), and the second gear (39) penetrates through the annular avoiding opening (331) and is meshed with the tooth sockets (341) of the annular sliding block (34);
the cutting blade (31) is provided with two annular sanding sheets (311), and the annular sanding sheets (311) are arranged on two sides of the cutting blade (31);
a collecting mechanism (7) for collecting cutting scraps is also arranged in the cutting box (2);
the collecting mechanism (7) comprises a connecting frame (71), an axial flow fan (72) and a collecting box (73);
the connecting frame (71) is arranged on the inner wall of the bottom of the cutting box (2) and is positioned between the fixing ring (41) and the semicircular bracket (32), and the height of the connecting frame (71) is lower than that of the first through hole (21);
the number of the axial flow fans (72) is multiple, the axial flow fans (72) are arranged at equal intervals along the length direction of the connecting frame (71), and the wind direction of the axial flow fans (72) faces to the direction close to the semicircular support (32);
the collecting box (73) is arranged on the inner wall of the bottom of the cutting box (2) and is positioned on one side, away from the fixing ring (41), of the semicircular bracket (32), and the opening of the collecting box (73) faces to the direction away from the workbench (1);
one end of the collection box (73) close to the annular slide block (34) is provided with a semicircular notch (731) matched with the annular slide block (34), one side of the collection box (73) far away from the annular slide block (34) is provided with a fan-shaped baffle (732) used for blocking scraps, and the arc of the fan-shaped baffle (732) faces to the direction close to the annular slide block (34);
one side of the cutting box (2) along the axial direction of the first through hole (21) is provided with a mounting groove (22) for pulling out the collecting box (73).
2. The fixed-length cutting device of the PVC pipe production equipment is characterized in that the clamping mechanism (4) further comprises a first annular slide rail (43), a first servo motor (44) and a first gear (45);
two supporting legs (412) are arranged on two sides of the fixing ring (41), the supporting legs (412) are arranged in the cutting box (2) in an inverted L shape, and the supporting legs (412) are used for supporting the fixing ring (41), so that the fixing ring (41) and the first through hole (21) of the cutting box (2) are coaxially arranged;
the first annular slide rail (43) is arranged on the outer wall of the fixed ring (41) in a sliding manner;
the elastic assembly (42) further comprises a first steel cord (423) and a first spring (424);
the number of the first springs (424) is multiple, the first springs (424) are arranged in the corresponding round holes (411), and two ends of each first spring (424) respectively abut against the inner wall of the bottom of the corresponding round hole (411) and the elastic column (421);
the number of the first steel ropes (423) is multiple, and one end of each first steel rope (423) is arranged at the center of one end, away from the center of the fixing ring (41), of the corresponding elastic column (421);
an annular groove (431) used for avoiding the first steel rope (423) is formed in the inner wall of the first annular sliding rail (43) in the circumferential direction, a plurality of annular protrusions (432) used for connecting the first steel rope (423) are formed in the inner wall, away from the center of the fixing ring (41), of the annular groove (431), and one end, away from the elastic column (421), of the first steel rope (423) penetrates through the fixing ring (41) to be connected with the corresponding annular protrusion (432);
the first servo motor (44) is arranged on the inner wall of the bottom of the cutting box (2), and an output shaft of the first servo motor (44) is connected with the center of the first gear (45);
the outer wall of first annular slide rail (43) is provided with a plurality of teeth of a cogwheel (433) along the circumferencial direction, and first gear (45) and the teeth of a cogwheel (433) meshing of first annular slide rail (43).
3. The fixed-length cutting device of the PVC pipe production equipment is characterized in that two first sliding grooves (413) are formed in the inner wall of each circular hole (411) of the fixing ring (41), and the two first sliding grooves (413) are arranged in a mirror image mode relative to the axis of the circular hole (411);
two sliding blocks (4211) corresponding to the first sliding groove (413) are arranged on the outer wall of one end, close to the round hole (411), of the elastic column (421), and the sliding blocks (4211) are arranged in the first sliding groove (413) in a sliding mode;
the inner wall of the fixing ring (41) is further provided with a limiting ring (46), the limiting ring (46) is provided with a plurality of second through holes (461) for the elastic columns (421) to pass through in the circumferential direction, and the elastic columns (421) can be arranged in the corresponding second through holes (461) in a sliding mode.
4. The fixed-length cutting device of the PVC pipe production equipment is characterized in that the feeding mechanism (5) further comprises a mounting table (52), a guide block (53), a conveyor belt (54), a feeding bin (55), a striker plate (56) and a limiting bolt (57);
the mounting table (52) is arranged on the workbench (1) and is positioned on one side of the cutting box (2) far away from the cutting mechanism (3);
the guide block (53) is arranged on the mounting table (52), the length direction of the guide block (53) is the same as the axis of the first through hole (21), a guide groove (531) for placing a pipe is formed in the guide block (53) along the length direction, the guide groove (531) is in a semicircular shape, and the guide groove (531) and the first through hole (21) are coaxially arranged;
the two rolling assemblies (51) are arranged between the guide block (53) and the cutting box (2) in parallel;
the conveyor belt (54) is obliquely arranged on the workbench (1) and is positioned on one side of the guide block (53) along the length direction, the output end of the conveyor belt (54) is positioned above the guide groove (531) and the push roller (511), and a plurality of interception plates (541) are arranged on the conveyor belt (54);
the feeding bin (55) is arranged on the workbench (1) and close to the output end of the conveyor belt (54), the opening of the feeding bin (55) faces the direction of the conveyor belt (54), the inner wall of the bottom of the feeding bin (55) is obliquely arranged, the inclined plane faces the direction of the conveyor belt (54), and the input end of the conveyor belt (54) is close to the opening direction of the feeding bin (55);
one end of the inner wall of the bottom of the feeding bin (55), which is close to the conveyor belt (54), is provided with a fan-shaped annular groove (551) for avoiding the interception plate (541);
slots (552) are formed in the inner walls of the two sides, close to the opening, of the feeding bin (55), the slots (552) are arranged in the vertical direction and extend downwards, the two ends of the baffle plate (56) are inserted into the corresponding slots (552), third through holes (553) connected with the corresponding slots (552) are formed in the outer walls of the two sides of the feeding bin (55), a plurality of the third through holes (553) are formed, and the third through holes (553) are arranged at equal intervals in the length direction of the slots (552);
the number of the limiting bolts (57) is two, and the two limiting bolts (57) are arranged in third through holes (553) with the same height on two sides of the feeding bin (55) in a mirror image mode.
5. The fixed-length cutting device of the PVC pipe production equipment according to claim 4, wherein each rolling assembly (51) further comprises a strip-shaped sliding rail (512), a bidirectional screw rod (513), a supporting plate (514), a second motor base (515), a fourth servo motor (516) and a fifth servo motor (517);
the strip-shaped sliding rail (512) is arranged on the mounting table (52) and is positioned between the guide block (53) and the cutting box (2), and the length direction of the strip-shaped sliding rail (512) is vertical to the axial direction of the first through hole (21);
two support plates (514) are arranged, the two support plates (514) can be arranged on the strip-shaped slide rail (512) in a sliding manner, and each support plate (514) is provided with a first threaded hole (5141) for connecting a bidirectional screw rod (513);
the bidirectional screw rod (513) can be rotatably arranged in the strip-shaped sliding rail (512), two ends of the bidirectional screw rod (513) are respectively in threaded connection with the first threaded holes (5141) of the corresponding supporting plates (514), the fourth servo motor (516) is arranged on the mounting table (52), and an output shaft of the fourth servo motor (516) penetrates through the strip-shaped sliding rail (512) to be connected with the bidirectional screw rod (513) and is used for driving the bidirectional screw rod (513) to rotate;
two second motor bases (515) are arranged, and the two second motor bases (515) are arranged at the tops of the corresponding supporting plates (514);
the number of the fifth servo motors (517) is two, the two fifth servo motors (517) are arranged in the corresponding second motor bases (515) in a vertical state, the two pushing rollers (511) are arranged at the tops of the corresponding second motor bases (515) in a vertical state, and the output shaft of the fifth servo motor (517) penetrates through the second motor bases (515) to be connected with the corresponding pushing rollers (511).
6. The fixed-length cutting device of the PVC pipe production equipment is characterized in that the tail end fixing mechanism (6) further comprises a slide way (64), a threaded rod (65), a connecting plate (66), a supporting seat (67), a bearing (68) and a sixth servo motor (69);
the two slide ways (64) are arranged on the workbench (1) in parallel and are positioned on one side, away from the feeding mechanism (5), of the cutting box (2), and the length direction of the slide ways (64) is in the same direction with the axis of the first through hole (21);
the connecting plate (66) is arranged in a horizontal state, two ends of the bottom of the connecting plate (66) are arranged on the corresponding slide ways (64) in a sliding manner, a semicircular bulge (661) is arranged at the center of the bottom of the connecting plate (66), and a second threaded hole (662) is formed in the semicircular bulge (661);
the fixed block (61) is arranged on the top of the connecting plate (66) in a vertical state;
the supporting seat (67) is arranged on the workbench (1) and is positioned on one side, close to the cutting box (2), between the two slide ways (64), and a circular recess (671) for placing a bearing (68) is formed in the center of one side, far away from the cutting box (2), of the supporting seat (67);
the bearing (68) is disposed within the circular recess (671);
the sixth servo motor (69) is arranged on the workbench (1), an output shaft of the sixth servo motor (69) is connected with one end of the threaded rod (65), the threaded rod (65) is in threaded connection with the connecting plate (66) through the second threaded hole (662), and one end, far away from the sixth servo motor (69), of the threaded rod (65) can be rotatably arranged in the bearing (68).
7. The fixed-length cutting device of the PVC pipe production equipment according to claim 1, wherein the collision component (63) further comprises a return spring (633), a tension spring (634) and a second steel rope (635);
two second sliding grooves (612) are formed in the inner wall of the circular groove (611), the two second sliding grooves (612) are arranged in a mirror image mode relative to the axis of the circular groove (611), and the two second sliding grooves (612) are arranged in a vertical state;
the contact disc (62) is provided with sliding strips (621) corresponding to the two second sliding grooves (612), the contact disc (62) can be arranged in the circular groove (611) in a sliding mode, and the sliding strips (621) can be arranged in the corresponding second sliding grooves (612) in a sliding mode;
a plurality of reset springs (633) are arranged at one end, close to the inner part of the bottom of the circular groove (611), of the abutting disc (62), and two ends of each reset spring (633) are respectively arranged at one end, far away from the cutting box (2), of the abutting disc (62) and the inner wall of the bottom of the circular groove (611);
the clamping rods (631) are c-shaped, one end, far away from the arc-shaped clamping plate (632), of each clamping rod (631) is hinged to one side, close to the cutting box (2), of the fixing block (61), the two clamping rods (631) are arranged in a mirror image mode relative to the axis of the circular groove (611), the deviating ends of the two clamping rods (631) are provided with first connecting rings (6311) connected through tension springs (634), and one side, close to the cutting box (2), of the fixing block (61) is provided with second connecting rings (613) corresponding to the first connecting rings (6311);
two tension springs (634) are provided, and two ends of each tension spring (634) are respectively connected with the corresponding first connecting ring (6311) and the second connecting ring (613);
the inner wall of the circular groove (611) is also provided with two rectangular notches (614), the two rectangular notches (614) are arranged in a mirror image mode relative to the axis of the circular groove (611), the two rectangular notches (614) are arranged in a horizontal state, and the outer wall of the contact disc (62) is provided with two rectangular protrusions (622) corresponding to the rectangular notches (614);
the number of the second steel ropes (635) is two, one end of each second steel rope (635) is connected with the corresponding rectangular protrusion (622), and the other end of each second steel rope (635) is connected with one side, close to the circular groove (611), of the corresponding clamping rod (631).
CN202211210427.5A 2022-09-30 2022-09-30 Fixed-length cutting device of PVC (polyvinyl chloride) pipe production equipment Active CN115256507B (en)

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CN115780885B (en) * 2022-11-29 2024-03-08 国网安徽省电力有限公司明光市供电公司 Pipe cutting device and method for electric power construction
CN116533003B (en) * 2023-07-03 2023-09-08 无锡亿莱特科技有限公司 Automatic production line for petroleum casing collar
CN116638357B (en) * 2023-07-27 2023-10-03 烟台东星集团有限公司 Clamping device for machining integrated forging oil cylinder shaft
CN117464078B (en) * 2023-12-27 2024-03-08 苏州兴齐钢结构工程有限公司 Steel airtight cutting device

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JPH11170107A (en) * 1997-12-11 1999-06-29 Sun A Kaken Co Ltd Wound roll end surface finishing device
CN103949717A (en) * 2014-04-29 2014-07-30 新昌新天龙纽尚精密轴承有限公司 Automatic tube feeding multi-cutter tube cutting device of bearing steel tube
CN210305960U (en) * 2019-06-20 2020-04-14 佛山市明兴隆科技发展有限公司 Electric heating tube pipe cutting machine
CN111496894A (en) * 2020-04-14 2020-08-07 南京利德东方橡塑科技有限公司 Cutting mechanism, cutting machine and control method of cutting machine
CN212443459U (en) * 2020-05-29 2021-02-02 河北华熙管业有限公司 Cutting device for pipe machining
CN217095920U (en) * 2021-10-28 2022-08-02 成都中鑫跃科技有限公司 Automatic pipe cutting machine

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Publication number Priority date Publication date Assignee Title
JPH11170107A (en) * 1997-12-11 1999-06-29 Sun A Kaken Co Ltd Wound roll end surface finishing device
CN103949717A (en) * 2014-04-29 2014-07-30 新昌新天龙纽尚精密轴承有限公司 Automatic tube feeding multi-cutter tube cutting device of bearing steel tube
CN210305960U (en) * 2019-06-20 2020-04-14 佛山市明兴隆科技发展有限公司 Electric heating tube pipe cutting machine
CN111496894A (en) * 2020-04-14 2020-08-07 南京利德东方橡塑科技有限公司 Cutting mechanism, cutting machine and control method of cutting machine
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CN217095920U (en) * 2021-10-28 2022-08-02 成都中鑫跃科技有限公司 Automatic pipe cutting machine

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