CN114505904B - Auxiliary device for cutting large-size nylon pipe - Google Patents
Auxiliary device for cutting large-size nylon pipe Download PDFInfo
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- CN114505904B CN114505904B CN202210036393.6A CN202210036393A CN114505904B CN 114505904 B CN114505904 B CN 114505904B CN 202210036393 A CN202210036393 A CN 202210036393A CN 114505904 B CN114505904 B CN 114505904B
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- rotating shaft
- gear
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- rack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention belongs to the technical field of pipeline construction tools, and particularly relates to a large-size nylon pipe cutting auxiliary device which comprises a shell, a first rotating mechanism and a second rotating mechanism, wherein the first rotating mechanism is arranged on the shell; the first rotating mechanism comprises a first rotating shaft, a third rotating shaft, a first rectangular plate and a first crimping mechanism; the second rotating mechanism comprises a second rotating shaft, a fourth rotating shaft, a second rectangular plate and a second crimping mechanism; the second rotating shaft is positioned at the rear side of the first rotating shaft; the first rotating shaft penetrates through the left side wall of the shell and penetrates out of the right side wall of the shell; the second rotating shaft penetrates from the right side wall of the shell and penetrates out from the left side wall of the shell. According to the invention, the rotating mechanism and the crimping mechanism are arranged, the cutting auxiliary device is tightly attached to the periphery of the nylon pipe, the cutting auxiliary device is used for driving the cutting machine to move, and whether the track deflects in the moving process is observed by arranging the reference structures such as the thin shaft, the sliding block, the pointer and the like, so that the accuracy and the precision of cutting are improved.
Description
Technical Field
The invention belongs to the technical field of pipeline construction tools, and particularly relates to a large-size nylon pipe cutting auxiliary device.
Background
Nylon has good physical, chemical and mechanical properties, so that the nylon is widely applied to various fields, the diameter of a common specification of nylon pipes is 500mm at maximum, and the nylon pipes are used for paving underground sewage pipelines or line pipes at present, but the nylon pipes are mostly of standard length, so that workers are often required to cut the nylon pipes according to actual conditions at construction sites.
At present, most of cutting modes are firstly used for drawing lines and then used for cutting by a handheld cutting machine, the cutting modes are inconvenient when used for carrying out line drawing cutting on large-size nylon pipe walls, the cross section of a line drawn along the circumferential direction of the pipe walls is difficult to ensure to be a standard circle, meanwhile, workers need to carefully control the distance between the handheld cutting machine and the nylon pipe during cutting, so that the cutting depth is not influenced, the cutting machine is not influenced to be pushed forward, and the time and effort are wasted when the operation is carried out because the cutting direction and the line drawing are not deviated.
If the ports of the cutting surfaces are not flush, the sealing performance and the moisture resistance of the pipeline are affected, so that the cutting mode which is highly dependent on working experience is very unfavorable for improving the construction efficiency.
Based on this, in order to solve the above-mentioned problem, the inventor devised a cutting auxiliary device suitable for large-size nylon pipe cutting machine, through setting up slewing mechanism and crimping mechanism, hugged closely cutting auxiliary device in nylon pipe's periphery, put the cutting machine on cutting auxiliary device's top simultaneously, drive the removal of cutting machine with cutting auxiliary device, through setting up reference structure such as thin axle, slider, pointer to the accuracy of cutting in cutting process of cutting machine is improved.
Disclosure of Invention
The purpose of this application is to above problem, and this application provides a jumbo size nylon tube cutting auxiliary device, through setting up slewing mechanism and crimping mechanism, hugs closely cutting auxiliary device in the periphery of nylon tube, drives the removal of cutting machine with cutting auxiliary device, whether deflects through setting up reference structure such as thin axle, slider, pointer, observes the orbit of removal in-process to improve the degree of accuracy and the accuracy of cutting.
Based on the above purpose, the invention adopts the following technical scheme:
a large-size nylon tube cutting auxiliary device comprises a shell, a first rotating mechanism and a second rotating mechanism;
the first rotating mechanism comprises a first rotating shaft, a third rotating shaft, a first rectangular plate and a first crimping mechanism; the second rotating mechanism comprises a second rotating shaft, a fourth rotating shaft, a second rectangular plate and a second crimping mechanism;
the second rotating shaft is positioned at the rear side of the first rotating shaft; the first rotating shaft penetrates through the left side wall of the shell and penetrates out of the right side wall of the shell; the second rotating shaft penetrates through the right side wall of the shell and penetrates out of the left side wall of the shell;
two first limiting strips are arranged on the bottom wall of the shell close to the left side wall, are arranged in parallel and extend along the front-back direction; two second limiting strips are arranged on the bottom wall of the shell close to the right side wall, are arranged in parallel and extend along the front-back direction;
the bottom wall in the shell is also provided with a first rack and a second rack, the first rack and the second rack extend along the front-back direction, the first rack is positioned at a gap between the two first limiting bars, the second rack is positioned at a gap between the two second limiting bars, the length of the second rack is longer than that of the first rack, a first gear is fixedly arranged on the first rotating shaft and is in meshed connection with the first rack, and when the first gear rotates, the first gear can drive the first rack to slide back and forth at the gap between the two first limiting bars; the second rotating shaft is fixedly provided with a second gear which is meshed with the second rack, and when the second gear rotates, the second gear can drive the second rack to slide back and forth at a gap between two second limiting strips;
the third rotating shaft and the fourth rotating shaft are arranged in the shell, the third rotating shaft and the fourth rotating shaft are positioned at the front side of the first rotating shaft, a third gear is arranged at the left end of the third rotating shaft, and the third gear is in meshed connection with the first rack; the right end of the fourth rotating shaft is provided with a fourth gear which is in meshed connection with the second rack;
the right end of the third rotating shaft is provided with a first conical friction wheel, and the left end of the fourth rotating shaft is provided with a second conical friction wheel;
the shell is internally provided with a rotation measuring mechanism which can be in friction contact with the first conical friction wheel and the second conical friction wheel, the rotation of the first rotating shaft and the second rotating shaft drives the rotation of the third rotating shaft and the fourth rotating shaft, and the rotation measuring mechanism is in friction contact with the first conical friction wheel and the second conical friction wheel to measure the rotation degree of the third rotating shaft, the fourth rotating shaft, the first rotating shaft and the second rotating shaft;
the first rectangular plate is positioned at the left side outside the shell, and the left end of the first rotating shaft extends leftwards and penetrates out of the shell to be fixedly connected with the first rectangular plate; the first crimping mechanism comprises a first double-sided rack, a fifth gear and a sixth gear;
the left side surface of the first rectangular plate is provided with a first upper supporting sleeve, the front side and the rear side of the first double-sided rack are respectively provided with gear teeth, the first double-sided rack passes through the first upper supporting sleeve, the left side surface of the first rectangular plate is also provided with a fifth rotating shaft and a sixth rotating shaft, the fifth rotating shaft and the sixth rotating shaft are respectively positioned at the front side and the rear side of the first double-sided rack, a fifth gear is sleeved on the fifth rotating shaft, the fifth gear can rotate by taking the fifth rotating shaft as a center, a sixth gear is sleeved on the sixth rotating shaft, the sixth gear can rotate by taking the sixth rotating shaft as a center, the fifth gear is in meshed connection with the gear teeth at the front side of the first double-sided rack, and the sixth gear is in meshed connection with the gear teeth at the rear side of the first double-sided rack;
the bottom end of the fifth gear is also provided with a first connecting rod, the bottom end of the first connecting rod is provided with a first roller, and the first roller is rotationally connected with the bottom end of the first connecting rod; the bottom end of the sixth gear is also provided with a second connecting rod, the bottom end of the second connecting rod is provided with a second roller, and the second roller is rotationally connected with the bottom end of the second connecting rod;
the second rectangular plate is positioned at the right side outside the shell, and the right end of the second rotating shaft extends rightwards and penetrates out of the shell to be fixedly connected with the second rectangular plate; the second crimping mechanism comprises a second double-sided rack, a seventh gear and an eighth gear;
the right side surface of the second rectangular plate is provided with a second upper supporting sleeve, the front side and the rear side of the second double-sided rack are both provided with gear teeth, the second double-sided rack passes through the second upper supporting sleeve, the right side surface of the second rectangular plate is also provided with a seventh rotating shaft and an eighth rotating shaft, the seventh rotating shaft and the eighth rotating shaft are respectively positioned at the front side and the rear side of the second double-sided rack, the seventh gear is sleeved on the seventh rotating shaft, the seventh gear can rotate by taking the seventh rotating shaft as a center, the eighth gear is sleeved on the eighth rotating shaft, the eighth gear can rotate by taking the eighth rotating shaft as a center, the seventh gear is in meshed connection with the gear teeth at the front side of the second double-sided rack, and the eighth gear is in meshed connection with the gear teeth at the rear side of the second double-sided rack;
the bottom end of the seventh gear is also provided with a third connecting rod, the bottom end of the third connecting rod is provided with a third roller, and the third roller is rotationally connected with the bottom end of the third connecting rod; the bottom of eighth gear still is equipped with the fourth connecting rod, and the bottom of fourth connecting rod is equipped with the fourth gyro wheel, and the fourth gyro wheel rotates with the bottom of fourth connecting rod to be connected.
Further, the first rotating shaft and the second rotating shaft are both rotationally connected with the shell, and bearings are arranged at the joint of the first rotating shaft and the shell and the joint of the second rotating shaft and the shell in order to facilitate the rotation of the first rotating shaft and the second rotating shaft.
Further, in order to ensure the stability of the third rotating shaft and the fourth rotating shaft in the rotating process, the third rotating shaft and the fourth rotating shaft are prevented from shaking, the right sides of the two first limiting strips are also provided with left supporting frames for supporting the third rotating shaft, and left rotating grooves for the third rotating shaft to pass through are formed in the middle of the left supporting frames; the left sides of the two second limiting strips are also provided with right supporting frames for supporting the fourth rotating shafts, and right rotating grooves for the fourth rotating shafts to pass through are formed in the middle of the right supporting frames.
Further, the rotation measuring mechanism comprises a fixed frame arranged in the shell, the fixed frame consists of a left frame, a right frame and a rear frame, the front ends of the left frame and the right frame are fixedly connected with the inner side of the front side wall of the shell, and the left end and the right end of the rear frame are respectively fixedly connected with the rear end of the left frame and the rear end of the right frame;
the right end of the third rotating shaft passes through the left frame from the left side and penetrates into the fixed frame, the conical surface of the first conical friction wheel faces to the right side, the left end of the fourth rotating shaft passes through the right frame from the right side and penetrates into the fixed frame, and the conical surface of the second conical friction wheel faces to the left side;
a sliding block capable of sliding up and down is arranged in the fixed frame, the sliding block is positioned above the first conical friction wheel and the second conical friction wheel, a thin shaft extending along the vertical direction is arranged at the center position of the sliding block, the thin shaft penetrates through the sliding block from top to bottom, and the thin shaft can rotate relative to the sliding block;
the top end of the thin shaft penetrates out of the sliding block, a pointer is fixedly arranged at the top end of the thin shaft, and an angle scale is arranged on the upper surface of the sliding block; two stop bars are arranged on the top wall of the shell corresponding to the sliding block, and are respectively positioned at the connection part of the left frame and the top wall and the connection part of the right frame and the top wall;
the bottom end of the thin shaft penetrates out of the sliding block, the bottom end of the thin shaft is propped against the bottom wall of the shell, a third conical friction wheel is fixedly arranged at the lower part of the thin shaft, the conical surface of the third conical friction wheel is positioned at the upper side, the conical surfaces of the third conical friction wheel are respectively propped against the conical surface of the first conical friction wheel and the conical surface of the second conical friction wheel, and a pressure spring is sleeved on the thin shaft between the third conical friction wheel and the bottom wall of the shell;
a torsion spring is arranged between the thin shaft and the sliding block, the torsion spring can provide a rotating force for the thin shaft, so that a pointer at the top end of the thin shaft always points to the zero scale direction of the angle scale on the upper surface of the sliding block, and when the third conical friction wheel moves downwards and is separated from the first conical friction wheel and the second conical friction wheel, the pointer at the top end of the thin shaft always points to the zero scale direction of the angle scale on the upper surface of the sliding block; the left and right ends of the sliding block are respectively clung to the left frame and the right frame, and the sliding block is driven to rotate by the torsion spring when the thin shaft is prevented from rotating.
Further, the left side of the first rectangular plate is also provided with a first lower supporting sleeve, the first lower supporting sleeve is positioned below the first upper supporting sleeve, and the first double-sided rack sequentially passes through the first upper supporting sleeve and the first lower supporting sleeve from top to bottom.
Further, the right side face of the second rectangular plate is also provided with a second lower supporting sleeve, the second lower supporting sleeve is positioned below the second upper supporting sleeve, and the second double-sided rack sequentially passes through the second upper supporting sleeve and the second lower supporting sleeve from top to bottom.
Further, through first double-sided rack from last support cover and first lower support cover of crossing in proper order from top to bottom, can realize that first double-sided rack is relative to reciprocate with first rectangular plate, first last support is sheathe in and is equipped with first through-hole, is equipped with a plurality of second through-holes from top to bottom arranging in proper order on the first double-sided rack, penetrates first through-hole and second through-hole through using the bolt and can realize the fixed of first double-sided rack and first rectangular plate relative position.
Further, through the second double-sided rack from top to bottom pass second upper support cover and second lower support cover in proper order, can realize that the second double-sided rack reciprocates relatively with the second rectangular plate, be equipped with the third through-hole on the second upper support cover, be equipped with a plurality of fourth through-holes that arrange from top to bottom in proper order on the second double-sided rack, penetrate third through-hole and fourth through-hole through using the bolt can realize the fixed of second double-sided rack and second rectangular plate relative position.
Further, the upper surface of casing roof be fixed with a plurality of mount pads that are used for supporting nylon cutting machine, fix the nylon cutting machine at the upper surface of casing roof when convenient operation.
Compared with the prior art, the invention has the beneficial effects that:
1. when the nylon pipe cutting machine is used, the shell needs to be pressed with force uniformly, so that the first roller and the second roller on the first rectangular plate are located on the same cross-section circle on the nylon pipe, the third roller and the fourth roller on the second rectangular plate are located on the same cross-section circle on the nylon pipe, meanwhile, larger radial pressure can be born in the use process, a worker does not need to carefully control the distance between the cutting machine and the nylon pipe during cutting, the cutting depth can be ensured, the cutting machine is not influenced to be pushed to rotate on the nylon pipe, time and effort are saved, and the labor intensity of the worker is reduced.
2. When the rotary cutter is used, deflection in the cutting direction is converted into relative rotation of the first rotating shaft and the second rotating shaft, and meanwhile, the first rectangular plate and the second rectangular plate are symmetrical relative to the center of the shell, so that the rotating directions of the first rotating shaft and the second rotating shaft are opposite;
the first conical friction wheel and the second conical friction wheel are driven to rotate through the first rack and the second rack, the first conical friction wheel and the second conical friction wheel drive the third conical friction wheel to rotate again, deflection of the pointer on the angle scale is further shown, the large-size nylon pipe cutting auxiliary device can directly cut after measuring the length of the moving track of the cutting machine, a line is not required to be drawn, a worker can control the cutting direction through the pointer during cutting, time is saved, and working efficiency is improved.
3. The invention has simple operation, can finish accurate cutting without drawing lines, saves time and labor and is beneficial to improving the working efficiency.
Drawings
FIG. 1 is a left side view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the internal mechanism of the housing of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A in FIG. 2 in accordance with the present invention;
FIG. 5 is a left side view of the present invention in use;
fig. 6 is a top view of the invention in use.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, based on the embodiments herein, which are within the scope of the present application, will be within the purview of one of ordinary skill in the art to which the invention pertains without the exercise of inventive faculty
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
As shown in fig. 1 to 4, a large-size nylon tube cutting auxiliary device comprises a housing 1, a first rotating mechanism and a second rotating mechanism, wherein the housing 1 is rectangular;
the first rotating mechanism comprises a first rotating shaft 11, a third rotating shaft 13, a first rectangular plate 21 and a first crimping mechanism; the second rotating mechanism comprises a second rotating shaft 12, a fourth rotating shaft 14, a second rectangular plate 31 and a second crimping mechanism;
the second rotating shaft 12 is positioned at the rear side of the first rotating shaft 11; the first rotating shaft 11 penetrates from the left side wall of the shell 1 and penetrates from the right side wall of the shell 1; the second rotating shaft 12 penetrates from the right side wall of the shell 1 and penetrates from the left side wall of the shell 1;
two first limiting strips 41 are arranged on the inner bottom wall of the shell 1 near the left side wall, and the two first limiting strips 41 are arranged in parallel and extend along the front-rear direction; two second limiting strips 42 are arranged on the inner bottom wall of the shell 1 near the right side wall, and the two second limiting strips 42 are arranged in parallel and extend along the front-rear direction;
the inner bottom wall of the shell 1 is also provided with a first rack 43 and a second rack 44, the first rack 43 and the second rack 44 extend along the front-back direction, the first rack 43 is positioned at a gap between the two first limiting strips 41, the second rack 44 is positioned at a gap between the two second limiting strips 42, the length of the second rack 44 is longer than that of the first rack 43, the first rotating shaft 11 is fixedly provided with a first gear 111, the first gear 111 is meshed with the first rack 43, and when the first gear 111 rotates, the first gear 111 can drive the first rack 43 to slide back and forth at the gap between the two first limiting strips 41; the second rotating shaft 12 is fixedly provided with a second gear 121, the second gear 121 is in meshed connection with the second rack 44, and when the second gear 121 rotates, the second gear 121 can drive the second rack 44 to slide back and forth at a gap between the two second limiting strips 42.
The first rotating shaft 11 and the second rotating shaft 12 are both in rotating connection with the shell 1, and in order to facilitate the rotation of the first rotating shaft 11 and the second rotating shaft 12, bearings are arranged at the joint of the first rotating shaft 11 and the shell 1 and the joint of the second rotating shaft 12 and the shell 1.
As shown in fig. 3-4, a fixed frame is further arranged in the shell 1, the fixed frame is composed of a left frame 51, a right frame 52 and a rear frame 53, the front ends of the left frame 51 and the right frame 52 are fixedly connected with the inner side of the front side wall of the shell 1, and the left end and the right end of the rear frame 53 are respectively fixedly connected with the rear end of the left frame 51 and the rear end of the right frame 52;
the third rotating shaft 13 and the fourth rotating shaft 14 are both arranged in the shell 1, the third rotating shaft 13 and the fourth rotating shaft 14 are both positioned at the front side of the first rotating shaft 11, the right end of the third rotating shaft 13 passes through the left frame 51 from the left side and penetrates into the fixed frame, the right end of the third rotating shaft 13 is provided with a first conical friction wheel 131, the conical surface of the first conical friction wheel 131 faces to the right side, the left end of the fourth rotating shaft 14 passes through the right frame 52 from the right side and penetrates into the fixed frame, the left end of the fourth rotating shaft 14 is provided with a second conical friction wheel 141, and the conical surface of the second conical friction wheel 141 faces to the left side; the left end of the third rotating shaft 13 is provided with a third gear 132, and the third gear 132 is in meshed connection with the first rack 43; the right end of the fourth rotating shaft 14 is provided with a fourth gear 142, and the fourth gear 142 is in meshed connection with the second rack 44;
in order to ensure the stability of the third rotating shaft 13 and the fourth rotating shaft 14 in the rotating process and prevent the third rotating shaft 13 and the fourth rotating shaft 14 from shaking, the right sides of the two first limiting strips 41 are also provided with left supporting frames 411 for supporting the third rotating shaft 13, and left rotating grooves for the third rotating shaft 13 to pass through are arranged in the middle of the left supporting frames 411; the left sides of the two second limiting strips 42 are also provided with a right supporting frame 421 for supporting the fourth rotating shaft 14, and a right rotating groove for the fourth rotating shaft 14 to pass through is arranged in the middle of the right supporting frame 421.
As shown in fig. 4, a sliding block 6 capable of sliding up and down is further arranged in the fixed frame, the sliding block 6 is positioned above the first conical friction wheel 131 and the second conical friction wheel 141, a thin shaft 61 extending along the vertical direction is arranged at the center position of the sliding block 6, the thin shaft 61 penetrates through the sliding block 6 from top to bottom, and the thin shaft 61 can rotate relative to the sliding block 6;
the top end of the thin shaft 61 penetrates out of the sliding block 6, a pointer 62 is fixedly arranged at the top end of the thin shaft 61, and an angle scale is arranged on the upper surface of the sliding block 6; two stop bars (not shown) are arranged on the top wall of the shell 1 corresponding to the sliding block 6, and are respectively positioned at the connection part of the left frame 51 and the top wall and the connection part of the right frame 52 and the top wall;
the bottom end of the thin shaft 61 penetrates out of the sliding block 6, the bottom end of the thin shaft 61 is propped against the bottom wall of the shell 1, a third conical friction wheel 63 is fixedly arranged at the lower part of the thin shaft 61, the conical surface of the third conical friction wheel 63 is positioned at the upper side, the conical surface of the third conical friction wheel 63 is respectively propped against the conical surface of the first conical friction wheel 131 and the conical surface of the second conical friction wheel 141, and a pressure spring 64 is sleeved on the thin shaft 61 between the third conical friction wheel 63 and the bottom wall of the shell 1;
a torsion spring (not shown) is arranged between the thin shaft 61 and the sliding block 6, the torsion spring can provide a rotating force for the thin shaft 61, so that the pointer 62 at the top end of the thin shaft 61 always points to the zero scale direction of the angle scale on the upper surface of the sliding block 6, and when the third conical friction wheel 63 moves downwards and is separated from the first conical friction wheel 131 and the second conical friction wheel 141, the pointer 62 at the top end of the thin shaft 61 always points to the zero scale direction of the angle scale on the upper surface of the sliding block 6; the left and right ends of the slider 6 are respectively attached to the left frame 51 and the right frame 52, and the slider 6 is prevented from being rotated by the torsion spring when the thin shaft 61 is rotated.
As shown in fig. 2-3, the first rectangular plate 21 is located at the left side outside the casing 1, and the left end of the first rotating shaft 11 extends leftwards and penetrates out of the casing 1 to be fixedly connected with the first rectangular plate 21; the first crimping mechanism comprises a first double-sided rack 22, a fifth gear 23 and a sixth gear 24;
the left side surface of the first rectangular plate 21 is provided with a first upper supporting sleeve 25 and a first lower supporting sleeve 26, the front side and the rear side of the first double-sided rack 22 are respectively provided with gear teeth, the first double-sided rack 22 sequentially passes through the first upper supporting sleeve 25 and the first lower supporting sleeve 26 from top to bottom, the left side surface of the first rectangular plate 21 is also provided with a fifth rotating shaft and a sixth rotating shaft, the fifth rotating shaft and the sixth rotating shaft are respectively positioned at the front side and the rear side of the first double-sided rack 14, the fifth gear 23 is sleeved on the fifth rotating shaft, the fifth gear 23 can rotate by taking the fifth rotating shaft as a center, the sixth gear 24 is sleeved on the sixth rotating shaft, the sixth gear 24 can rotate by taking the sixth rotating shaft as a center, the fifth gear 23 is in meshed connection with the gear teeth at the front side of the first double-sided rack 22, and the sixth gear 24 is in meshed connection with the gear teeth at the rear side of the first double-sided rack 22;
the bottom end of the fifth gear 23 is also provided with a first connecting rod 231, the bottom end of the first connecting rod 231 is provided with a first roller 232, and the first roller 232 is rotationally connected with the bottom end of the first connecting rod 231; the bottom end of the sixth gear 24 is also provided with a second connecting rod 241, the bottom end of the second connecting rod 241 is provided with a second roller 242, and the second roller 242 is rotationally connected with the bottom end of the second connecting rod 241;
when the first double-sided rack 22 moves relative to the first rectangular plate 21, the first double-sided rack 22 can swing the first connecting rod 231 and the second connecting rod 241 through the engagement of the first double-sided rack 22 with the fifth gear 23 and the sixth gear 24, and the relative position between the first roller 232 and the second roller 242 is adjusted by adjusting the opening angle between the first connecting rod 231 and the second connecting rod 241;
the first double-sided rack 22 sequentially passes through the first upper supporting sleeve 25 and the first lower supporting sleeve 26 from top to bottom, so that the first double-sided rack 22 can move up and down relative to the first rectangular plate 21, a first through hole is formed in the first upper supporting sleeve 25, a plurality of second through holes which are sequentially arranged from top to bottom are formed in the first double-sided rack 22, and the relative positions of the first double-sided rack 22 and the first rectangular plate 21 can be fixed by penetrating the first through holes and the second through holes through bolts.
The second rectangular plate 31 is positioned on the right side outside the shell 1, and the right end of the second rotating shaft 12 extends rightwards and penetrates out of the shell 1 to be fixedly connected with the second rectangular plate 31; the second crimping mechanism includes a second double-sided rack 32, a seventh gear 33, and an eighth gear 34;
the right side surface of the second rectangular plate 31 is provided with a second upper supporting sleeve 35 and a second lower supporting sleeve, the front side and the rear side of the second double-sided rack 32 are respectively provided with gear teeth, the second double-sided rack 32 sequentially passes through the second upper supporting sleeve 35 and the second lower supporting sleeve from top to bottom, the right side surface of the second rectangular plate 31 is also provided with a seventh rotating shaft and an eighth rotating shaft, the seventh rotating shaft and the eighth rotating shaft are respectively positioned at the front side and the rear side of the second double-sided rack 32, the seventh gear 33 is sleeved on the seventh rotating shaft, the seventh gear 33 can rotate by taking the seventh rotating shaft as a center, the eighth gear 34 is sleeved on the eighth rotating shaft, the eighth gear 34 can rotate by taking the eighth rotating shaft as a center, the seventh gear 33 is in meshed connection with the gear teeth at the front side of the second double-sided rack 32, and the eighth gear 34 is in meshed connection with the gear teeth at the rear side of the second double-sided rack 32;
the bottom end of the seventh gear 33 is also provided with a third connecting rod 331, the bottom end of the third connecting rod 331 is provided with a third roller 332, and the third roller 332 is rotationally connected with the bottom end of the third connecting rod 331; the bottom end of the eighth gear 34 is also provided with a fourth connecting rod 341, the bottom end of the fourth connecting rod 341 is provided with a fourth roller 342, and the fourth roller 342 is rotationally connected with the bottom end of the fourth connecting rod 341;
when the second double-sided rack 32 moves relative to the second rectangular plate 31, the third and fourth connection rods 331 and 341 can swing through the engagement of the second double-sided rack 32 with the seventh and eighth gears 33 and 34, and the relative position between the third and fourth rollers 332 and 342 can be adjusted by adjusting the opening angle between the third and fourth connection rods 331 and 341;
the second double-sided rack 32 sequentially passes through the second upper support sleeve 35 and the second lower support sleeve from top to bottom, so that the second double-sided rack 32 can move up and down relative to the second rectangular plate 31, a third through hole is formed in the second upper support sleeve 35, a plurality of fourth through holes which are sequentially arranged from top to bottom are formed in the second double-sided rack 32, and the relative positions of the second double-sided rack 32 and the second rectangular plate 31 can be fixed by penetrating the third through holes and the fourth through holes through bolts.
The upper surface of the top wall of the shell 1 is fixedly provided with a plurality of mounting seats 7 for supporting the nylon cutting machine, and the nylon cutting machine is fixed on the upper surface of the top wall of the shell 1 when the operation is convenient.
The specific application method of the large-size nylon pipe cutting auxiliary device provided by the invention comprises the following steps:
1) Before the large-size nylon tube cutting auxiliary device is used, the first double-sided rack 22 and the second double-sided rack 32 are firstly adjusted up and down according to the diameter of the nylon tube 8 to be cut, the span between the first roller 232 and the second roller 242 is maximized on the premise that the shell 1 is not contacted with the nylon tube, and the span between the third roller 332 and the fourth roller 342 is maximized; then, bolts are sequentially penetrated into the first through hole and the second through hole, so that the relative positions of the first double-sided rack 22 and the first rectangular plate 21 are fixed; the fixing of the relative positions of the second double-sided rack 32 and the second rectangular plate 31 is achieved by sequentially penetrating bolts into the third through hole and the fourth through hole;
2) Fixing a nylon cutter (not shown) on the upper surface of the top wall of the shell 1, and ensuring that a rotating shaft on the nylon cutter is positioned between a first rotating shaft 11 and a second rotating shaft 12 of the large-size nylon pipe cutting auxiliary device, wherein the rotating shaft on the nylon cutter is parallel to the first rotating shaft 11 and the second rotating shaft 12;
as shown in fig. 5 and 6, when in use, the sliding block 6 is pressed by hand first to separate the third conical friction wheel 63 from the first conical friction wheel 131 and the second conical friction wheel 141, at this time, the pointer 62 at the top end of the thin shaft 61 always points to the zero scale direction of the angle scale on the upper surface of the sliding block 6 (i.e. the pointer 62 is zeroed) due to the action of the torsion spring, then the large-size nylon tube cutting auxiliary device is pressed on the surface of the nylon tube 8 to be cut, since the span distance between the first roller 232 and the second roller 242 is fixed, and the span distance between the third roller 332 and the fourth roller 342 is fixed, under the action of the pressing pressure, the first roller 232 and the second roller 242 on the same side (left side) of the housing 1 automatically move to the same cross-section circle on the nylon tube 8, and the third roller 332 and the fourth roller 342 on the other side (right side) of the housing 1 are also located on the same cross-section circle, that is, the first rotating shaft 11 and the second rotating shaft 12 are parallel to the axis 81 of the nylon tube 8, and the rotating shaft on the nylon cutter is parallel to the first rotating shaft 11 and the second rotating shaft 12, so that the cutting direction of the nylon cutter is perpendicular to the axis 81 of the nylon tube 8, then the sliding block 6 is released, and the third conical friction wheel 63 moves upwards to contact with the first conical friction wheel 131 and the second conical friction wheel 141 under the action of the pressure spring 64;
3) Then starting the nylon cutter, pushing the nylon cutter to rotate around the nylon pipe 8 to cut the nylon pipe 8, and enabling the large-size nylon pipe cutting auxiliary device to drive the nylon cutter to move through the first roller 232, the second roller 242, the third roller 332 and the fourth roller 342, wherein in the process, the sliding block 6 is not touched, whether the pointer 62 deflects or not is noticed at all times, if the cutting direction deflects due to unbalance of force exerted by an operator in the cutting process, the shell 1 deflects in the left-right front-back direction (in the embodiment, the shell 1 deflects forwards and leftwards at the same time) at the moment, the cutting direction is not parallel to the extending direction of the first rotating shaft 11 and the second rotating shaft 12 any more, the first rotating shaft 11 and the second rotating shaft 12 are not parallel to the nylon pipe 8, the first roller 232 and the second roller 242 which are positioned on the same side (left side) of the shell 1 deviate from the same cross-section circle on the nylon pipe, and the third roller 332 and the fourth roller 342 which are positioned on the other side (right side) of the shell 1 deviate from the same cross-section circle on the nylon pipe;
since the rotation shaft on the nylon cutter is located at a position between the first rotation shaft 11 and the second rotation shaft 12, the distances between the first roller 232 and the second roller 242 and the deflection center, and the distances between the third roller 332 and the deflection center of the fourth roller 342 are not equal; let the height of the center of the first roller 232 on the outer wall of the nylon tube 8 be H ', the height of the second roller 242 on the outer wall of the nylon tube 8 be H > H ', and the distance between the housing 1 and the axis 81 of the nylon tube 8 be H, it is known that when the deflection center is located between the first rotating shaft 11 and the second rotating shaft 12, H > H '; at this time, the distance between the first roller 232 and the second roller 242 and the housing 1 is changed, and the distance between the third roller 332 and the fourth roller 342 and the housing 1 is changed, that is, the first rectangular plate 21 and the second rectangular plate 31 rotate relative to the housing 1, and the rotation directions of the first rotating shaft 11 and the second rotating shaft 12 are opposite because the first rectangular plate 21 and the second rectangular plate 31 are symmetrical about the center of the housing 1;
then, the rotation of the first rotating shaft 11 and the second rotating shaft 12 drives the third rotating shaft 13 and the fourth rotating shaft 14 to rotate, and drives the first conical friction wheel 131 and the second conical friction wheel 141 to rotate in opposite directions, at this time, the contact between the first conical friction wheel 131 and the second conical friction wheel 141 and the third conical friction wheel 63 can enable the third conical friction wheel 63 to deflect in one direction, the pointer 62 can deflect, when the operator observes the deflection of the pointer 62, the operator can notice the unbalance of the force application, correction of the cutting direction can be immediately carried out, correction in the cutting process can be realized based on the structural design in the large-size nylon pipe cutting auxiliary device, the cutting effect is improved, and the cutting of the large-size nylon pipe is ensured.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The large-size nylon pipe cutting auxiliary device is characterized by comprising a shell, a first rotating mechanism and a second rotating mechanism;
the first rotating mechanism comprises a first rotating shaft, a third rotating shaft, a first rectangular plate and a first crimping mechanism; the second rotating mechanism comprises a second rotating shaft, a fourth rotating shaft, a second rectangular plate and a second crimping mechanism;
the second rotating shaft is positioned at the rear side of the first rotating shaft; the first rotating shaft penetrates through the left side wall of the shell and penetrates out of the right side wall of the shell; the second rotating shaft penetrates through the right side wall of the shell and penetrates out of the left side wall of the shell;
two first limiting strips are arranged on the bottom wall of the shell close to the left side wall, are arranged in parallel and extend along the front-back direction; two second limiting strips are arranged on the bottom wall of the shell close to the right side wall, are arranged in parallel and extend along the front-back direction;
the bottom wall in the shell is also provided with a first rack and a second rack, the first rack and the second rack extend along the front-back direction, the first rack is positioned at a gap between the two first limiting bars, the second rack is positioned at a gap between the two second limiting bars, the length of the second rack is longer than that of the first rack, a first gear is fixedly arranged on the first rotating shaft and is in meshed connection with the first rack, and when the first gear rotates, the first gear can drive the first rack to slide back and forth at the gap between the two first limiting bars; the second rotating shaft is fixedly provided with a second gear which is meshed with the second rack, and when the second gear rotates, the second gear can drive the second rack to slide back and forth at a gap between two second limiting strips;
the third rotating shaft and the fourth rotating shaft are arranged in the shell, the third rotating shaft and the fourth rotating shaft are positioned at the front side of the first rotating shaft, a third gear is arranged at the left end of the third rotating shaft, and the third gear is in meshed connection with the first rack; the right end of the fourth rotating shaft is provided with a fourth gear which is in meshed connection with the second rack;
the right end of the third rotating shaft is provided with a first conical friction wheel, and the left end of the fourth rotating shaft is provided with a second conical friction wheel;
the shell is internally provided with a rotation measuring mechanism which can be in friction contact with the first conical friction wheel and the second conical friction wheel, the rotation of the first rotating shaft and the second rotating shaft drives the rotation of the third rotating shaft and the fourth rotating shaft, and the rotation measuring mechanism is in friction contact with the first conical friction wheel and the second conical friction wheel to measure the rotation degree of the third rotating shaft, the fourth rotating shaft, the first rotating shaft and the second rotating shaft;
the first rectangular plate is positioned at the left side outside the shell, and the left end of the first rotating shaft extends leftwards and penetrates out of the shell to be fixedly connected with the first rectangular plate; the first crimping mechanism comprises a first double-sided rack, a fifth gear and a sixth gear;
the left side surface of the first rectangular plate is provided with a first upper supporting sleeve, the front side and the rear side of the first double-sided rack are respectively provided with gear teeth, the first double-sided rack passes through the first upper supporting sleeve, the left side surface of the first rectangular plate is also provided with a fifth rotating shaft and a sixth rotating shaft, the fifth rotating shaft and the sixth rotating shaft are respectively positioned at the front side and the rear side of the first double-sided rack, a fifth gear is sleeved on the fifth rotating shaft, the fifth gear can rotate by taking the fifth rotating shaft as a center, a sixth gear is sleeved on the sixth rotating shaft, the sixth gear can rotate by taking the sixth rotating shaft as a center, the fifth gear is in meshed connection with the gear teeth at the front side of the first double-sided rack, and the sixth gear is in meshed connection with the gear teeth at the rear side of the first double-sided rack;
the bottom end of the fifth gear is also provided with a first connecting rod, the bottom end of the first connecting rod is provided with a first roller, and the first roller is rotationally connected with the bottom end of the first connecting rod; the bottom end of the sixth gear is also provided with a second connecting rod, the bottom end of the second connecting rod is provided with a second roller, and the second roller is rotationally connected with the bottom end of the second connecting rod;
the second rectangular plate is positioned at the right side outside the shell, and the right end of the second rotating shaft extends rightwards and penetrates out of the shell to be fixedly connected with the second rectangular plate; the second crimping mechanism comprises a second double-sided rack, a seventh gear and an eighth gear;
the right side surface of the second rectangular plate is provided with a second upper supporting sleeve, the front side and the rear side of the second double-sided rack are both provided with gear teeth, the second double-sided rack passes through the second upper supporting sleeve, the right side surface of the second rectangular plate is also provided with a seventh rotating shaft and an eighth rotating shaft, the seventh rotating shaft and the eighth rotating shaft are respectively positioned at the front side and the rear side of the second double-sided rack, the seventh gear is sleeved on the seventh rotating shaft, the seventh gear can rotate by taking the seventh rotating shaft as a center, the eighth gear is sleeved on the eighth rotating shaft, the eighth gear can rotate by taking the eighth rotating shaft as a center, the seventh gear is in meshed connection with the gear teeth at the front side of the second double-sided rack, and the eighth gear is in meshed connection with the gear teeth at the rear side of the second double-sided rack;
the bottom end of the seventh gear is also provided with a third connecting rod, the bottom end of the third connecting rod is provided with a third roller, and the third roller is rotationally connected with the bottom end of the third connecting rod; the bottom of eighth gear still is equipped with the fourth connecting rod, and the bottom of fourth connecting rod is equipped with the fourth gyro wheel, and the fourth gyro wheel rotates with the bottom of fourth connecting rod to be connected.
2. The large-sized nylon pipe cutting auxiliary device according to claim 1, wherein the first rotating shaft and the second rotating shaft are both rotatably connected with the shell, and bearings are arranged at the connection part of the first rotating shaft and the shell and the connection part of the second rotating shaft and the shell.
3. The large-size nylon pipe cutting auxiliary device according to claim 1, wherein the right sides of the two first limiting strips are also provided with a left supporting frame for supporting the third rotating shaft, and a left rotating groove for the third rotating shaft to pass through is arranged in the middle of the left supporting frame; the left sides of the two second limiting strips are also provided with right supporting frames for supporting the fourth rotating shafts, and right rotating grooves for the fourth rotating shafts to pass through are formed in the middle of the right supporting frames.
4. The large-size nylon pipe cutting auxiliary device according to claim 1, wherein the rotation measuring mechanism comprises a fixed frame arranged in the shell, the fixed frame consists of a left frame, a right frame and a rear frame, the front ends of the left frame and the right frame are fixedly connected with the inner side of the front side wall of the shell, and the left end and the right end of the rear frame are fixedly connected with the rear end of the left frame and the rear end of the right frame respectively;
the right end of the third rotating shaft passes through the left frame from the left side and penetrates into the fixed frame, the conical surface of the first conical friction wheel faces to the right side, the left end of the fourth rotating shaft passes through the right frame from the right side and penetrates into the fixed frame, and the conical surface of the second conical friction wheel faces to the left side;
a sliding block capable of sliding up and down is arranged in the fixed frame, the sliding block is positioned above the first conical friction wheel and the second conical friction wheel, a thin shaft extending along the vertical direction is arranged at the center position of the sliding block, the thin shaft penetrates through the sliding block from top to bottom, and the thin shaft can rotate relative to the sliding block;
the top end of the thin shaft penetrates out of the sliding block, a pointer is fixedly arranged at the top end of the thin shaft, and an angle scale is arranged on the upper surface of the sliding block; two stop bars are arranged on the top wall of the shell corresponding to the sliding block, and are respectively positioned at the connection part of the left frame and the top wall and the connection part of the right frame and the top wall;
the bottom end of the thin shaft penetrates out of the sliding block, the bottom end of the thin shaft is propped against the bottom wall of the shell, a third conical friction wheel is fixedly arranged at the lower part of the thin shaft, the conical surface of the third conical friction wheel is positioned at the upper side, the conical surfaces of the third conical friction wheel are respectively propped against the conical surface of the first conical friction wheel and the conical surface of the second conical friction wheel, and a pressure spring is sleeved on the thin shaft between the third conical friction wheel and the bottom wall of the shell;
a torsion spring is arranged between the thin shaft and the sliding block, and the torsion spring can provide a rotating force for the thin shaft, so that a pointer at the top end of the thin shaft always points to the zero scale direction of the angle scale on the upper surface of the sliding block.
5. The large-sized nylon tube cutting auxiliary device according to claim 1, wherein the left side surface of the first rectangular plate is further provided with a first lower supporting sleeve, the first lower supporting sleeve is located below the first upper supporting sleeve, and the first double-sided rack sequentially penetrates through the first upper supporting sleeve and the first lower supporting sleeve from top to bottom.
6. The large-sized nylon tube cutting auxiliary device according to claim 1, wherein a second lower supporting sleeve is further arranged on the right side face of the second rectangular plate, the second lower supporting sleeve is located below the second upper supporting sleeve, and the second double-sided rack sequentially penetrates through the second upper supporting sleeve and the second lower supporting sleeve from top to bottom.
7. The large-size nylon pipe cutting auxiliary device according to claim 1, wherein the first upper supporting sleeve is provided with a first through hole, the first double-sided rack is provided with a plurality of second through holes which are sequentially arranged from top to bottom, and the relative positions of the first double-sided rack and the first rectangular plate can be fixed by penetrating the first through holes and the second through holes through bolts.
8. The large-size nylon tube cutting auxiliary device according to claim 1, wherein a third through hole is formed in the second upper support sleeve, a plurality of fourth through holes are formed in the second double-sided rack from top to bottom in sequence, and the relative positions of the second double-sided rack and the second rectangular plate can be fixed by penetrating the third through holes and the fourth through holes through bolts.
9. The large-sized nylon pipe cutting auxiliary device according to claim 1, wherein a plurality of mounting seats for supporting the nylon cutting machine are fixed on the upper surface of the top wall of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036393.6A CN114505904B (en) | 2022-01-13 | 2022-01-13 | Auxiliary device for cutting large-size nylon pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036393.6A CN114505904B (en) | 2022-01-13 | 2022-01-13 | Auxiliary device for cutting large-size nylon pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114505904A CN114505904A (en) | 2022-05-17 |
| CN114505904B true CN114505904B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210036393.6A Active CN114505904B (en) | 2022-01-13 | 2022-01-13 | Auxiliary device for cutting large-size nylon pipe |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900679A (en) * | 2019-11-22 | 2020-03-24 | 黄敏君 | Pipeline cutting equipment that accuracy is high |
| JP2021053796A (en) * | 2019-09-28 | 2021-04-08 | 練韓奇 | Cutting device for plastic pipe |
| CN113560659A (en) * | 2021-07-14 | 2021-10-29 | 江苏金洋机械有限公司 | Rail gasket that possesses auxiliary measurement and tailor size is with tailorring device |
-
2022
- 2022-01-13 CN CN202210036393.6A patent/CN114505904B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021053796A (en) * | 2019-09-28 | 2021-04-08 | 練韓奇 | Cutting device for plastic pipe |
| CN110900679A (en) * | 2019-11-22 | 2020-03-24 | 黄敏君 | Pipeline cutting equipment that accuracy is high |
| CN113560659A (en) * | 2021-07-14 | 2021-10-29 | 江苏金洋机械有限公司 | Rail gasket that possesses auxiliary measurement and tailor size is with tailorring device |
Non-Patent Citations (1)
| Title |
|---|
| 大直径开孔切割机构的设计与仿真;吕金丽;胡胜海;王钢;;农机化研究(第10期);90-93 * |
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