CN107297807B - Pull belt type circle splicing machine and circle splicing method - Google Patents
Pull belt type circle splicing machine and circle splicing method Download PDFInfo
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- CN107297807B CN107297807B CN201710624306.8A CN201710624306A CN107297807B CN 107297807 B CN107297807 B CN 107297807B CN 201710624306 A CN201710624306 A CN 201710624306A CN 107297807 B CN107297807 B CN 107297807B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
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Abstract
The invention discloses a drawstring type circle splicing machine and a circle splicing method, the drawstring type circle splicing machine comprises a rack, drawstrings, tensioning oil cylinders, outer support frames for supporting the outer walls of hollow logs and inner support frames for supporting the inner walls of the hollow logs, wherein the inner support frames are arranged at two ends of the hollow logs, the outer walls of the inner support frames are matched with the inner walls of the hollow logs, the outer support frames are arranged on the rack, at least two outer support frames are arranged, the outer support frames are uniformly arranged along the length direction of the hollow logs, the radian of the inner walls of the outer support frames is consistent with that of the outer circumferences of the hollow logs, cylinder bodies of the tensioning oil cylinders are arranged on the rack, piston rods of the tensioning oil cylinders are connected with one ends of the drawstrings, and the other ends of the drawstrings are connected with the rack after being wound on the hollow logs. The invention has simple structure, convenient and fast operation, accurate positioning and high efficiency in the splicing process of the sector, the positioning support of the inner support frame is pressed in the initial stage, the hollow log is not dislocated and deformed in the initial stage of shaping, and the splicing effect of the hollow log is improved.
Description
Technical Field
The invention relates to a drawstring type circle splicing machine and a circle splicing method, and belongs to the technical field of building beam column circle splicing equipment.
Background
The existing bearing column for buildings, particularly a large bearing column, is generally formed by pouring reinforced concrete, the bearing is characterized by strong bearing capacity and is suitable for most of the building fields, but for some artistic buildings, the bearing column is required to be rich in aesthetic feeling and light in weight, for example, a building beam column required by a temple, the length of the large bearing hollow round wood can reach 24 meters, and if naturally-grown logs are directly adopted, the diameter and the length of the logs limit that logs are used for bearing the bearing wood column to be very deficient.
In order to solve the problem that the diameter and the length of a bearing column can not be met by directly adopting logs, a plurality of fan-shaped bodies are integrated to form a hollow log at present, specifically, a single fan-shaped body is processed firstly, then the single fan-shaped body is lengthened, then protrusions and grooves are processed on two sides of each fan-shaped body respectively by planing and milling, then glue is sprayed on the surfaces of the fan-shaped bodies, and then adjacent fan-shaped columns are spliced into the bearing hollow log with any length and any diameter through a mortise-tenon structure. The plane of one side of the sector is provided with a groove, the plane of the other side of the sector is provided with a protrusion, adjacent sectors are in smooth plane contact with each other except for mortise and tenon structure positioning, and aiming at the problem of splicing bearing hollow logs, although a plurality of sector columns can be spliced, bonded and matched manually to complete the splicing operation, if no force application and pressurization are carried out after splicing is completed, the spliced bearing hollow logs are not bonded tightly enough, so that the bearing capacity of the bearing hollow logs to external force is poor.
The existing circle splicing machine for splicing a plurality of existing fan-shaped bodies into a hollow log has the advantages that the circle splicing machine is used for processing and splicing the hollow log due to the fact that no support is arranged for the spliced hollow log, adjacent fan-shaped bodies are in smooth plane contact except for concave-convex positioning, pressurization of the circle splicing machine is too large, positioning is only carried out through a concave-convex mortise structure, the fan-shaped bodies can be dislocated, and the circle splicing effect of the hollow log can be seriously influenced as shown in figure 9. Therefore, a circle splicing machine capable of performing circle splicing operation on bearing hollow logs with different outer diameters and different lengths is urgently needed, the force application direction meets the requirement of the circumferential direction of the bearing hollow logs, and the situation that the sector column is stressed, dislocated and deformed in the force application process of the circle splicing operation can be avoided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the drawstring type circle splicing machine and the circle splicing method, which support the inner wall of the hollow log in advance in the circle splicing process, not only ensure the accurate positioning of the hollow log in the splicing process, but also can be used for supporting the spliced hollow log in the initial pressurizing process of the circle splicing machine, and avoid the condition that the hollow log is dislocated and deformed.
The technical scheme for solving the technical problems is as follows: the utility model provides a circle machine is pieced together to stretching strap formula, includes the frame, evenly sets up a plurality of stretching straps and taut hydro-cylinder in the frame, still including the outer supporting rack that is used for bearing hollow log outer wall and the inner support frame that is used for supporting hollow log inner wall, the inner support frame sets up the both ends at hollow log, the outer wall of inner support frame and the inner wall looks adaptation of hollow log, outer supporting rack installs in the frame, outer supporting rack is equipped with two at least, outer supporting rack evenly arranges along the length direction of hollow log, the radian of the inner wall of outer supporting rack is unanimous with the radian of the outer circumference of hollow log, the cylinder body of taut hydro-cylinder is installed in the frame, the piston rod of taut hydro-cylinder with the one end of stretching strap is connected, after the other end winding of stretching strap hollow log with the frame is connected. At least two inner support frames are arranged.
The invention has the beneficial effects that: the inner support frame can position and support the inner wall of the spliced hollow log, particularly the segments combined by the tenon-and-mortise structure can be positioned and supported in the splicing process, the splicing and matching of a plurality of segments are facilitated, and the splicing efficiency of the segments is improved; in the initial stage of circle splicing, the tensioning oil cylinder applies small pressure to position and support the inner wall of the hollow log formed by splicing the plurality of sectors again, and in the initial stage of shaping of the spliced hollow log, the phenomenon that the sectors are dislocated and deformed in the force application process to influence the circle splicing effect of the hollow log is avoided; the inner support frame is arranged at the two ends of the hollow log, and the inner support frame can be conveniently taken out of the hollow log before the tensioning oil cylinder applies large pressure, so that the inner support frame can be conveniently and quickly taken out, and the round splicing efficiency of the hollow log is prevented from being influenced. The outer supporting frame is evenly arranged and installed on the machine frame along the axial direction of the hollow logs, the outer supporting frame is used for supporting the bottoms of the hollow logs, meanwhile, the drawstrings are not prevented from encircling the hollow logs, one ends of the drawstrings are connected with the tensioning oil cylinders by workers, the other ends of the drawstrings encircle the hollow logs for a circle and then are connected to the machine frame, after all the drawstrings are connected and completed, the tensioning oil cylinders act, small force is applied to the drawstrings, the plurality of fan-shaped bodies are enabled to bear small pressure, the small pressure is enabled to be evenly adhered and matched to position more accurately through the tenon-and-mortise structure, then the inner supporting frame is taken out of the hollow logs, then the tensioning oil cylinders pressurize, the hollow logs are tensioned, after glue is solidified, the tensioning oil cylinders reset, the workers can take the drawstrings down from the hollow logs, then the spliced hollow logs can be lifted away from the circular splicing machine through the lifting appliance, and the circular splicing machine waits for splicing of the next hollow logs. In a word, the invention has simple structure, convenient and fast operation, accurate positioning and high efficiency in the splicing process of the sector, the positioning support of the inner support frame is pressed in the initial stage, the dislocation and deformation can not occur in the initial stage of shaping the hollow log, and the splicing effect of the hollow log is improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the frame is provided with two groups of outer support frames, one end of the pull belt is connected with the tensioning oil cylinder, and the other end of the pull belt is sequentially wound around the hollow log close to the tensioning oil cylinder and the hollow log far from the tensioning oil cylinder for a circle and then connected with the frame.
The circular log splicing machine has the advantages that the existing circular log splicing machine can only realize circular log splicing operation on a single hollow log, can not simultaneously process two bearing hollow logs or more hollow logs, is low in circular log splicing operation efficiency, can be provided with two groups of outer supporting frames aiming at the hollow logs with relatively small outer diameters, can process two hollow logs respectively placed on two groups of outer supporting frames at one time for the hollow log splicing machine with small diameters, and improves circular log splicing efficiency.
Furthermore, a plurality of tensioning oil cylinders are arranged on two sides of the rack in a staggered mode.
The technical scheme has the advantages that the plurality of hydraulic cylinders of the existing circle splicing machine are arranged on one side of the rack, particularly, the initial stage of the circle splicing machine in the shaping process of the hollow log is the initial stage of the hollow log, the force application direction of each drawstring to the hollow log is consistent, which means that all the drawstrings apply force in one direction, the hollow log is subjected to tension force along the circumferential direction, no support is arranged in the hollow log, and the sector is easily subjected to force dislocation deformation in the initial stage of the hollow log in the shaping process; and the both sides at the frame are arranged in the tensioning hydro-cylinder is crisscross, mean that tensioning hydro-cylinder of adjacent tensioning hydro-cylinder is installed in one side of frame, install the opposite side in the frame rather than adjacent tensioning hydro-cylinder, and the two staggers and arranges, corresponding stretching strap one end is connected with tensioning hydro-cylinder, the other end is connected with the frame, frame towards one side is to the pulling force of hollow log to one of them stretching strap, another stretching strap is to the frame of pulling force of hollow log towards the opposite side, hollow log receives the power that comes from two directions, the atress is even, in addition the location of inner support frame supports the cooperation, both guarantee hollow log concatenation effect, simultaneously avoid hollow log phenomenon that dislocation appears in stretching strap hydro-cylinder application of force process again.
Further, the belt is pressed through the belt pressing mechanism with the frame is connected, the belt pressing mechanism includes the tape spool and is used for supporting the roller seat at tape spool both ends, be equipped with on the roller seat with tape spool matched with arc draw-in groove, the inboard of arc draw-in groove is equipped with spacing platform. When the tensioning oil cylinder acts, the belt shaft and the arc-shaped clamping groove are matched to compress the pull belt wound on the belt shaft.
Adopt the beneficial effect of above-mentioned further scheme to be, direct winding is epaxial at the tape after the hollow log of stretching strap winding, then have the tape spool of stretching strap to twine to put into the roller seat, the stretching strap receives the pulling force can compress tightly the tape spool on the spacing platform at arc draw-in groove and arc draw-in groove rear portion, arc draw-in groove and spacing platform carry out spacing the rotation of avoiding the tape spool to the both ends of tape spool, the tape spool that twines the stretching strap can not rotate under the tensioning hydro-cylinder effect, thereby realize the purpose of fixed stretching strap tip, belt pressing mechanism has improved the efficiency that stretching strap and frame are connected, the efficiency that the staff demolishd the stretching strap has also been improved simultaneously, as long as take the tape spool to take off by the roller seat and just can directly demolish the stretching strap.
Furthermore, the inner support frame comprises a first arc-shaped body, a second arc-shaped body and a third arc-shaped body which are sequentially connected, the first arc-shaped body is hinged with the second arc-shaped body and the second arc-shaped body are hinged with the third arc-shaped body through hinge pins, the first arc-shaped body is connected with the third arc-shaped body through a connecting rod mechanism, the first arc-shaped body, the second arc-shaped body and the third arc-shaped body form a cylindrical structure matched with the inner wall of the hollow log under the action of the connecting rod mechanism, the connecting rod mechanism comprises a sleeve and extension rods arranged at two ends of the sleeve, the sleeve is connected with the extension rods through threads, screw rods are arranged on the extension rods, through holes are formed in the arc-shaped bodies, and the screw rods penetrate through the through holes and are fixed through nuts.
The further scheme has the advantages that the inner support frame is convenient to install and dismantle, and the splicing operation efficiency of the hollow log is improved.
Further, the axis of the screw is perpendicular to the axis of the extension bar.
The beneficial effects of adopting above-mentioned further scheme are that, extension bar passes through screw thread and muffjoint, and the adjustable screw rod of the interact through sleeve and extension bar is adjusted well with the through-hole on the arc, and the screw rod of being convenient for is fixed through the nut in inserting the through-hole to realize the support location of inner support frame, it is more convenient that the inner support frame is demolishd, takes off the nut, just can take off link mechanism, and the arc reduces alright take out the inner support frame by in the hollow log.
The invention also discloses a circle splicing method of the drawstring circle splicing machine, which adopts the drawstring circle splicing machine and comprises the following steps:
1) planning, milling and pouring glue on a plurality of sectors required by the hollow log;
2) placing a single sector on an outer support frame, and then placing adjacent sectors through the tenon-and-mortise structure of the sectors;
3) when half of the segments are placed on the outer support frame, the two inner support frames are respectively placed at two ends of the spliced segments, and then the segments are continuously spliced through the tenon-and-mortise structure until all the segments are spliced to form the hollow log supported between the inner support frame and the outer support frame;
4) one end of the drawstring is connected with the tensioning oil cylinder, the drawstring and the hollow log are wound by a circle by manpower, then the other end of the drawstring is wound on the tape spool, and then the tape spool wound with the drawstring is placed into the arc-shaped clamping groove of the roller seat;
5) the method comprises the steps that 1MPa of pressure is applied to a tensioning oil cylinder, initial shaping is firstly carried out on hollow logs formed by splicing fan-shaped columns, after the hollow logs are spliced and shaped, the outer diameter of an inner support frame is reduced through a link mechanism, the inner support frame is taken out, then the tensioning oil cylinder gradually pressurizes, the pressure is 4-12MPa, a pull belt wound on the outer side of the hollow logs is tensioned through the tensioning oil cylinder, and the hollow logs are kept to be tightly attached under the action of the pull belt;
6) after the glue at the joint surface of the sector is solidified, the tensioning oil cylinder is reset, the pull belt is manually taken down from the hollow log, and then the hollow log on the outer support frame is lifted off by the lifting appliance to wait for the processing of the next hollow log.
The invention has the beneficial effects that: the splicing process of the tenon-and-mortise structures of the sectors is through inside, the splicing efficiency of the accurate outer support frame positioning and the sectors is high, the positioning support of the inner support frame is pressed in the initial stage, the tenon-and-mortise positioning between the sectors forming the hollow log is accurate, the hollow log does not deform in a dislocation mode after being shaped and pressed, then the tensioning oil cylinder is pressed, the stretching belt is tensioned, the hollow log keeps a tight splicing state under the action of the stretching belt until glue is solidified, the whole splicing process is simpler and more convenient, the splicing efficiency of the hollow log is improved, and the splicing quality of the hollow cylinder is improved.
Further, when the outer diameter of the processed hollow log is smaller than 600mm, two groups of outer support frames are arranged on the rack, each group of outer support frames supports one hollow log spliced by the sector, one end of the draw belt is connected with the tensioning oil cylinder, and the other end of the draw belt is fixed by the belt pressing mechanism after being sequentially wound on the two hollow logs.
The beneficial effect of adopting above-mentioned further scheme is that, when the hollow log of processing minor diameter, two hollow logs of workable simultaneously improve the concatenation efficiency of hollow log.
Drawings
Fig. 1 is a schematic front view of the structure of embodiment 1 of the present invention;
FIG. 2 is a schematic left-view structural diagram of embodiment 1 of the present invention;
FIG. 3 is a schematic top view of the structure of embodiment 1 of the present invention;
FIG. 4 is a schematic front view of embodiment 2 of the present invention;
FIG. 5 is a left side view schematically illustrating the structure of embodiment 2 of the present invention;
FIG. 6 is a schematic top view of the structure of embodiment 2 of the present invention;
FIG. 7 is a schematic structural view of example 3 of the present invention;
FIG. 8 is a schematic structural diagram of the rounding process of the present invention;
fig. 9 is a state diagram of the dislocation of the hollow log segments spliced by the existing splicing equipment.
In the figure, 1, a frame; 2. pulling the belt; 3. tensioning the oil cylinder; 4. an outer support frame; 5. an inner support frame; 6. A belt shaft; 7. a roller base; 8. a first arcuate body; 9. a second arcuate body; 10. a third arcuate body; 11. a pin shaft; 12. a sleeve; 13. lengthening a rod; 14. a screw; 15. hollow log; 16. a sector.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
The belt drawing passes through the belt pressing mechanism with the frame is connected, the belt pressing mechanism includes belt shaft 6 and is used for supporting the roller seat 7 at belt shaft both ends, be equipped with on the roller seat with belt shaft matched with arc draw-in groove, the inboard of arc draw-in groove is equipped with spacing platform. When the tensioning oil cylinder acts, the belt shaft and the arc-shaped clamping groove are matched to compress the pull belt wound on the belt shaft. Direct winding is epaxial in the area behind the hollow log of stretching strap winding, then will twine the area axle that has the stretching strap tip and put into the roller seat, and the stretching strap is received the pulling force and can be hugged closely arc draw-in groove and the spacing platform at arc draw-in groove rear portion, and arc draw-in groove and spacing platform parcel are twined the area axle that has the stretching strap and are avoided the area axle to rotate to realize the purpose of fixed stretching strap tip, press the band mechanism to have improved the efficiency that stretching strap and frame are connected, have also improved the efficiency that the staff demolishd the stretching strap simultaneously.
The inner support frame comprises a first arc-shaped body 8, a second arc-shaped body 9 and a third arc-shaped body 10 which are sequentially connected, the first arc-shaped body is hinged with the second arc-shaped body and the second arc-shaped body are hinged with the third arc-shaped body through pin shafts 11, the first arc-shaped body is connected with the third arc-shaped body through a connecting rod mechanism, the first arc-shaped body, the second arc-shaped body and the third arc-shaped body form a cylindrical structure matched with the inner wall of the hollow log under the action of the connecting rod mechanism, the connecting rod mechanism comprises a sleeve 12 and extension rods 13 arranged at two ends of the sleeve, the sleeve is connected with the extension rods through threads, screw rods 14 are arranged on the extension rods, through holes are formed in the arc-shaped bodies, and the screw rods penetrate through the through holes and are fixed through nuts. The installation and the removal of the inner support frame are convenient, and the splicing operation efficiency of the hollow log is improved.
The axis of the screw is perpendicular to the axis of the extension bar. The extension bar passes through screw thread and muffjoint, and the through-hole on adjustable screw rod of the interact through sleeve and extension bar and the arc body is adjusted well, and the screw rod of being convenient for is fixed through the nut in inserting the through-hole to realize the support location of inner support frame, it is more convenient that the inner support frame is demolishd, takes off the nut, just can take off link mechanism, and the arc body reduces alright take out the inner support frame by in the hollow log.
In embodiment 2, as shown in fig. 4 to 6, two sets of the outer support frames are arranged on the frame, one end of the pull belt is connected with the tensioning cylinder, and the other end of the pull belt is sequentially wound around the hollow log close to the tensioning cylinder and the hollow log far from the tensioning cylinder for one circle and then connected with the frame. The remaining features are the same as in example 1 and will not be described in further detail herein.
In embodiment 3, as shown in fig. 7, a plurality of tensioning cylinders are arranged on two sides of the frame in a staggered manner. And the frame is provided with a group of outer supporting frames.
As shown in figure 8, the invention also discloses a circle splicing method of the drawstring circle splicing machine, which adopts the drawstring circle splicing machine and comprises the following steps:
1) planning, milling and pouring glue on a plurality of sectors required by the hollow log;
2) placing a single sector on an outer support frame, and then placing adjacent sectors through the tenon-and-mortise structure of the sectors;
3) when half of the segments are placed on the outer support frame, the two inner support frames are respectively placed at two ends of the spliced segments, and then the segments are continuously spliced through the tenon-and-mortise structure until all the segments are spliced to form the hollow log supported between the inner support frame and the outer support frame;
4) one end of the drawstring is connected with the tensioning oil cylinder, the drawstring and the hollow log are wound by a circle by manpower, then the other end of the drawstring is wound on the band shaft, and then the band shaft wound with the drawstring is placed into the arc-shaped clamping groove of the roller seat;
5) the method comprises the steps that 1MPa of pressure is applied to a tensioning oil cylinder, initial shaping is firstly carried out on hollow logs formed by splicing fan-shaped columns, after the hollow logs are spliced and shaped, the outer diameter of an inner support frame is reduced through a link mechanism, the inner support frame is taken out, then the tensioning oil cylinder gradually pressurizes, the pressure is 4-12MPa, a pull belt wound on the outer side of the hollow logs is tensioned through the tensioning oil cylinder, and the hollow logs are kept to be tightly attached under the action of the pull belt;
6) after the glue at the joint surface of the sector is cured, the oil cylinder is tensioned to reset, the pull belt is manually taken down from the hollow log, and then the hollow log on the outer support frame is lifted off by the lifting appliance to wait for the processing of the next hollow log.
When the outer diameter of the processed hollow log is less than 600mm, two groups of outer support frames are arranged on the rack, each group of outer support frames supports one hollow log spliced by a sector, one end of a pull belt is connected with a tensioning oil cylinder, and the other end of the pull belt is fixed by a belt pressing mechanism after being sequentially wound on the two hollow logs. When the hollow log with the small diameter is processed, two hollow logs can be processed simultaneously, and the splicing efficiency of the hollow logs is improved.
According to the difference of the wall thickness of the spliced logs, the pressure of the tensioning oil cylinder after pressurization is different, for example, the wall thickness of the hollow log is 100mm, the pressure of the tensioning oil cylinder after pressurization is 4MPa, and if the wall thickness of the hollow log is 200mm, the pressure of the tensioning oil cylinder after pressurization is 8 MPa. When the outer diameter of the processed hollow log is larger than or equal to 600mm, such as 600mm, 800mm and 1200mm, a group of outer supporting frames are arranged on the machine frame.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A drawstring type circle splicing machine comprises a rack, a plurality of drawstrings and tensioning oil cylinders, and is characterized by further comprising outer support frames and inner support frames, wherein the outer support frames are used for supporting the outer wall of a hollow log, the inner support frames are used for supporting the inner wall of the hollow log, the inner support frames are arranged at two ends of the hollow log, the outer wall of each inner support frame is matched with the inner wall of the hollow log, the outer support frames are arranged on the rack, at least two outer support frames are arranged, the outer support frames are uniformly arranged along the length direction of the hollow log, the radian of the inner wall of each outer support frame is consistent with that of the outer circumference of the hollow log, a cylinder body of each tensioning oil cylinder is arranged on the rack, a piston rod of each tensioning oil cylinder is connected with one end of each drawstring, and the other end of each drawstring is connected with the rack after being wound on the hollow log; the plurality of tensioning oil cylinders are arranged on two sides of the rack in a staggered mode;
the inner support frame comprises a first arc-shaped body, a second arc-shaped body and a third arc-shaped body which are sequentially connected, the first arc-shaped body is hinged with the second arc-shaped body and the third arc-shaped body through pin shafts respectively, the first arc-shaped body is connected with the third arc-shaped body through a connecting rod mechanism, the first arc-shaped body, the second arc-shaped body and the third arc-shaped body form a cylindrical structure matched with the inner wall of the hollow log under the action of the connecting rod mechanism, the connecting rod mechanism comprises a sleeve and extension rods arranged at two ends of the sleeve, the sleeve is connected with the extension rods through threads, screw rods are arranged on the extension rods, through holes are formed in the arc-shaped bodies, and the screw rods penetrate through the through holes and are fixed through nuts.
2. The draw tape type circle splicing machine according to claim 1, wherein two sets of the outer support frames are arranged on the machine frame, one end of the draw tape is connected with the tensioning oil cylinder, and the other end of the draw tape is sequentially wound around the hollow log which is close to the tensioning oil cylinder and the hollow log which is far from the tensioning oil cylinder for a circle and then is connected with the machine frame.
3. The draw belt type rounding machine according to claim 1, wherein the draw belt is connected with the frame through a belt pressing mechanism, the belt pressing mechanism comprises a belt shaft and roller seats used for supporting two ends of the belt shaft, arc-shaped clamping grooves matched with the belt shaft are formed in the roller seats, and limiting tables are arranged on the inner sides of the arc-shaped clamping grooves.
4. The drawstring rounding machine of claim 1, wherein an axis of said screw is perpendicular to an axis of said extension bar.
5. A method for splicing a circle of a drawstring type circle splicing machine, which is characterized in that the drawstring type circle splicing machine according to any one of claims 1 to 4 is adopted, and the method comprises the following steps:
1) planning, milling and pouring glue on a plurality of sectors required by the hollow log;
2) placing a single sector on an outer support frame, and then placing adjacent sectors through the tenon-and-mortise structure of the sectors;
3) when half of the segments are placed on the outer support frame, the two inner support frames are respectively placed at two ends of the spliced segments, and then the segments are continuously spliced through the tenon-and-mortise structure until all the segments are spliced to form the hollow log supported between the inner support frame and the outer support frame;
4) one end of the drawstring is connected with the tensioning oil cylinder, the drawstring and the hollow log are wound by a circle by manpower, then the other end of the drawstring is wound on the band shaft, and then the band shaft wound with the drawstring is placed into the arc-shaped clamping groove of the roller seat;
5) the method comprises the steps that 1MPa of pressure is applied to a tensioning oil cylinder, initial shaping is firstly carried out on hollow logs formed by splicing fan-shaped columns, after the hollow logs are spliced and shaped, the outer diameter of an inner support frame is reduced through a link mechanism, the inner support frame is taken out, then the tensioning oil cylinder gradually pressurizes, the pressure is 4-12MPa, a pull belt wound on the outer side of the hollow logs is tensioned through the tensioning oil cylinder, and the hollow logs are kept to be tightly attached under the action of the pull belt;
6) after the glue at the joint surface of the sector is solidified, the tensioning oil cylinder is reset, the pull belt is manually taken down from the hollow log, and then the hollow log on the outer support frame is lifted off by the lifting appliance to wait for the processing of the next hollow log.
6. The circle splicing method according to claim 5, wherein when processing the hollow round wood with the outer diameter less than 600mm, two groups of outer support frames are arranged on the machine frame, each group of outer support frames supports one hollow round wood spliced by the fan-shaped body, one end of each pull belt is connected with the tensioning oil cylinder, and the other end of each pull belt is fixed by the belt pressing mechanism after being sequentially wound around two hollow round wood.
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| CN201710624306.8A CN107297807B (en) | 2017-07-27 | 2017-07-27 | Pull belt type circle splicing machine and circle splicing method |
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| CN107297807B true CN107297807B (en) | 2022-06-14 |
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| CN109888988B (en) * | 2019-01-16 | 2024-02-23 | 南京埃斯顿自动化股份有限公司 | Iron core round splicing component used in stator round splicing equipment |
| CN111558975B (en) * | 2020-05-21 | 2021-12-03 | 叶逢春 | Cylinder molding carpenter assistor |
| CN115921572B (en) * | 2023-01-05 | 2023-05-16 | 凯明(常州)新材料科技有限公司 | Non-cutting precision forming method of special-shaped roller steel belt |
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| CN206999216U (en) * | 2017-07-27 | 2018-02-13 | 烟台博海木工机械有限公司 | A kind of drawstring formula spells circular knitting machine |
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