CN114032645B - Template sewing machine with rotary lifting type machine head and control method thereof - Google Patents
Template sewing machine with rotary lifting type machine head and control method thereof Download PDFInfo
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- CN114032645B CN114032645B CN202111332136.9A CN202111332136A CN114032645B CN 114032645 B CN114032645 B CN 114032645B CN 202111332136 A CN202111332136 A CN 202111332136A CN 114032645 B CN114032645 B CN 114032645B
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- oil
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- suction
- driving
- lubricating oil
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
- D05B71/02—Loop-taker lubricating devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B81/00—Sewing machines incorporating devices serving purposes other than sewing, e.g. for blowing air, for grinding
Abstract
The invention relates to a template sewing machine with a rotary lifting type machine head and a control method thereof, wherein the template sewing machine comprises: an upper shaft part; a frame body; extending the arm; a lower shaft member; further comprising: the dust suction device is detachably connected to the rear side of the frame body; wherein, dust extraction is including album bits bucket, the mount, the fixed arm, the suction head, suction device and tube coupling portion, collection bits bucket sets up the below at the mount, collection bits bucket can be dismantled with the support body and be connected, the mount upwards extends and exceeds the support body, the fixed arm sets up the top at the mount, the fixed arm extends to the workspace, the suction head can be followed the direction reciprocating motion that sets up of fixed arm, suction device is used for driving suction head department to form the negative pressure and inhales debris to album bits bucket in, this suction device uses a small amount of air current can realize great suction promptly, simple structure uses convenient and convenient manufacturing, can produce a large amount of absorption at the air inlet end department of suction head, it is effectual to the dust, the cotton wool, the clearance of debris such as flock.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a template sewing machine with a rotary lifting type machine head and a control method thereof.
Background
The template sewing machine is used for full-automatic template application production by combining clothing template CAD software, clothing template sewing CAD software and an advanced numerical control technology, production efficiency and product quality are improved, technical requirements of technical workers are lowered, an original manually-operated sewing machine is replaced by a computer-controlled machine with higher automation degree, dependence degree on high-skill personnel is reduced, quality is guaranteed, meanwhile, the problems of labor shortage and skill defects of industrial workers are solved, clothing sewing is completed automatically, and clothing template process arrangement pipelining is promoted.
For example, the invention patent with publication number CN 214142829U discloses a template sewing machine with an upper sewing mechanism and a lower sewing mechanism capable of automatically rotating, which comprises a machine head and a machine frame, wherein the machine head is fixed above the machine frame through a connecting part, the other end of the machine head, which is opposite to the connecting part, is provided with the upper sewing mechanism, the machine frame is provided with the lower sewing mechanism at a position corresponding to the upper sewing mechanism, the upper sewing mechanism and the lower sewing mechanism are respectively fixed on the machine head and the machine frame through the upper rotating mechanism and the lower rotating mechanism, and the upper rotating mechanism and the lower rotating mechanism are respectively connected with a synchronous driving mechanism through an upper connecting shaft and a lower connecting shaft; the synchronous driving mechanism ensures that the upper and lower sewing mechanisms synchronously rotate, and the sewing direction is always consistent with the movement direction of the template, so that the sewn stitches are more attractive; meanwhile, the invention also properly improves the existing rotating shuttle oil supply structure, automatically feeds oil directionally when the rotating shuttle shaft rotates, and automatically adjusts the oil supply quantity through the rotating speed, thereby having the characteristics of automatic adjustment of the oil supply quantity and stable and uniform oil supply. The problem that it has is not the function of dust absorption, and long-time work back, the surface of workstation can pile up dust or sewing residue, artifical clearance is wasted time and energy.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a template sewing machine with a rotary lifting type machine head and a control method thereof, so as to solve the technical problems.
The technical scheme of the invention is realized as follows: a template sewing machine with a rotary lifting type machine head comprises:
an upper shaft part;
a frame body;
extending the arm;
a lower shaft member; further comprising:
the dust suction device is detachably connected to the rear side of the frame body;
wherein, dust extraction includes collection bits bucket, mount, fixed arm, suction head, suction device and pipe connection portion, collection bits bucket sets up the below at the mount, collection bits bucket can dismantle with the support body and be connected, the mount upwards extends and exceeds the support body, the fixed arm sets up the top at the mount, the fixed arm extends to the workspace, the suction head can follow the direction reciprocating motion that sets up of fixed arm, suction device is used for driving suction head department to form the negative pressure and inhales debris to collection bits bucket in.
By adopting the technical scheme, the suction device can realize large suction by using a small amount of air flow, has simple structure, is convenient to use and convenient to produce and manufacture, can produce a large amount of suction at the air inlet end of the suction head, has good cleaning effect on impurities such as dust, cotton wool and flock, can realize large-area cleaning on a workbench through the fixed arm, and has good use effect.
The invention is further configured to: the suction device comprises:
the suction cavity is arranged in the suction head, and the inner diameter of the suction cavity is gradually increased from the air inlet end to the air outlet end;
the pressure pipes are arranged on two sides of the suction head and communicated with the suction cavity;
the power source is arranged on the outer side of the fixing frame;
the power source is used for introducing compressed air to the pressure increasing pipe, so that a coanda effect is formed in the suction cavity to realize negative pressure suction at the air inlet end of the suction head.
Through adopting above-mentioned technical scheme, pass through this suction device and supply gas to inhaling the intracavity for the pressure boost pipe through the power supply, form the conda effect in inhaling the intracavity and can make gas form strong air current in inhaling the intracavity to external production is absorbed, simple structure.
The invention is further configured to: a gap is formed on the side wall of the suction cavity, the pressure increasing pipe is communicated with the gap, the gap is of a bent structure, the outlet direction of the gap is matched with the air inlet direction of the suction head, and the size of the gap is 0.3-0.6mm.
Through adopting above-mentioned technical scheme, this structure can be convenient for realize the well effect of reaching, further promotion the availability factor.
The invention is further configured to: the lower shaft member includes:
a rotating shuttle mechanism;
the rotating base comprises a transmission cavity, an oil cavity and a rotating shuttle working cavity, one end of the rotating shuttle mechanism is connected with the transmission cavity, and the other end of the rotating shuttle mechanism is arranged in the rotating shuttle working cavity;
the oil cavity is used for storing lubricating oil, an oil filling port is arranged on one side of the oil cavity, and an oil seal is sealed on the oil filling port.
By adopting the technical scheme, the transmission structure is arranged in the transmission cavity and used for driving the rotating shuttle mechanism, one end of the rotating shuttle mechanism is placed in the rotating shuttle working cavity, lubricating oil is stored in the oil cavity and is convenient for mechanical lubricating oil addition, and the adding convenience is improved.
The invention is further configured to: the lower shaft part is further provided with a lower bearing, the lower bearing is located below the rotating base and above the synchronous belt pulley, the oil cavity is further provided with an oil supply mechanism and a cover plate, the oil supply mechanism is connected with the cover plate and penetrates through the cover plate to extend to the oil cavity, the input end of the oil supply mechanism extends to the bottom of the oil cavity, and the output end of the oil supply mechanism respectively conveys lubricating oil to the rotating shuttle mechanism and the lower bearing.
By adopting the technical scheme, the lower bearing is convenient to rotate, the vertical pipe is arranged at the joint of the rotating base and the lower bearing and is communicated with the oil injection hole of the lower bearing, oil can be conveniently injected, the cover plate is fixedly connected with the upper part of the oil cavity corresponding to the rotating base through the bolt, and the lubricating oil in the oil cavity is extracted by the oil supply mechanism and then is respectively supplied to the rotating shuttle mechanism and the lower bearing, so that the service lives of the two parts are prolonged, the abrasion is reduced, and the transmission is convenient.
The invention is further configured to: the oil supply mechanism includes:
an oil pumping pipe;
an oil pumping unit;
a transition duct;
an oil path selecting unit;
one end of the oil pumping pipe is connected with the oil pumping unit, the other end of the oil pumping pipe is close to the bottom of the oil cavity, and the oil pumping unit is used for pumping lubricating oil in the oil cavity and enters the oil path selection unit through the transition pipe.
By adopting the technical scheme, the oil pumping unit pumps the lubricating oil in the oil cavity to the oil path selecting unit, then the oil path selecting unit is introduced into the rotating shuttle mechanism or the lower bearing under the control of the control system, so that the oil supply is facilitated, the convenient and automatic degree of oil pumping is high, and most structures of the oil pumping unit are arranged in the oil cavity to further save the occupied space.
The invention is further configured to: further comprising:
a micro motor;
the micro motor is connected with the first shell and used for driving the oil pumping unit to reciprocate towards the oil cavity.
Through adopting above-mentioned technical scheme, the work of micro motor drive oil pumping unit, micro motor setting is in the top and the apron fixed connection of apron, and micro motor is the rotation of same direction and is driven the reciprocating motion who has taken out the unit, has ensured micro motor's life, and oil pumping unit forms the negative pressure at reciprocating motion's in-process and realizes extraction and discharge, and practicality and availability factor are high.
The invention is further configured to: the oil path selection unit is provided with two oil outlet ends, one of the oil outlet ends is connected with the rotating shuttle mechanism, and the other oil outlet end is connected with the bottom of the rotating base and used for conveying lubricating oil into the lower bearing.
Through adopting above-mentioned technical scheme, two oil output ends carry out the fuel feeding of different pipelines respectively, have improved the availability factor.
The invention is further configured to: further comprising:
the early warning devices are respectively arranged on the two oil outlet ends of the oil way selection unit,
the detection holes are respectively arranged on the oil outlet ends;
the detection hole is connected with the early warning device, lubricating oil can enter the early warning device in the flowing process, a telescopic switch mechanism and a sensing device are arranged in the early warning device, the telescopic switch mechanism contacts the sensing device to form a signal source under the action of pressure after the lubricating oil enters the early warning device, and when the two early warning devices generate the signal source, an alarm is given.
By adopting the technical scheme, when lubricating oil and pressure flow in the oil outlet end, a small amount of lubricating oil and pressure can enter the early warning device, two conditions can exist when the lubricating oil and the pressure enter the early warning device, the lubricating oil and the pressure enter the early warning device when leakage does not occur, a signal source can be generated at the moment, the signal source feeds back fluid and pressure to belong to normal operation working conditions, the damage or blockage condition can be prevented, and early warning is performed to prompt that the damage or the blockage occurs if a signal source is not generated under the normal operation working conditions; when the leakage happens, the two early warning devices generate signal sources, namely the leakage happens through feedback, the telescopic switch mechanism is simple in structure and convenient to use, stretches out when receiving pressure and is matched with the sensing device to generate the signal sources, the structure is simple, the alarm is efficient, and the leakage and blockage can be prevented.
The control method of the template sewing machine capable of synchronously rotating and lifting by 360 degrees comprises the following steps: s1, setting oil supply interval time according to the rotating speed of a rotating shuttle; s2, when the oil supply time is up, the micro motor starts to drive the oil pumping unit to reciprocate towards the oil cavity along the inner wall of the first shell to form an oil suction working condition and an oil outlet working condition; s3, under the oil outlet working condition, lubricating oil enters the transition pipe and is led into the oil path selection unit through the transition pipe, when the rotating shuttle mechanism is supplied with oil, the oil outlet end connected with the lower bearing is closed, the oil outlet end connected with the rotating shuttle mechanism is opened, and the lubricating oil enters the oil outlet end and enters the rotating shuttle mechanism; when oil is supplied to the lower bearing, the oil outlet end connected with the lower bearing is opened, the oil outlet end connected with the rotating shuttle mechanism is closed, and lubricating oil enters the oil outlet end and enters the lower bearing; s4, in the step S3, the early warning device respectively monitors the two oil outlet ends at the same time, when one oil outlet end is closed, fluid and pressure are not generated, and the other oil outlet end is opened to generate fluid and pressure; fluid and pressure in the oil outlet ends can enter the early warning device to push the telescopic switch mechanism, when the telescopic switch mechanism contacts the induction device, a signal source is formed, leakage does not occur, and when the signal sources are formed at the two oil outlet ends, leakage occurs;
s5, when cleaning is needed, the upper shaft part and the lower shaft part stop running, the upper shaft part rises, and the sucker moves forwards along the fixed arm in the direction of the upper shaft part and the lower shaft part; s6, the brush fixing disc and the suction device are started simultaneously, the brush rotates to shake dust, the power source starts to inject compressed gas into the pressure increasing pipe, the gas enters the suction cavity through the gap and enters the pipeline connecting portion, a negative pressure is formed at the suction nozzle, impurities such as flock, cotton wool and dust on the workbench can be sucked, and the impurities enter the pipeline connecting portion.
By adopting the technical scheme, the processing time of the large-scale sewing machine is fixed when the same product is processed, so the oil supply interval time is preset, lubricating oil needs to be added to the rotating shuttle mechanism when the time is reached to ensure the operation stability and efficiency of the rotating shuttle mechanism, the micro motor is started during oil supply, the oil pumping unit moves towards the bottom of the oil cavity firstly and then moves in the reverse direction, the lubricating oil is pumped into the oil pumping unit for storage and then overflows to the transition pipe, before oil pumping is carried out, the oil path selection unit preselects the pipeline which needs oil supply to be opened, the oil supply does not need to be closed, the lubricating oil can smoothly flow out and enter the lubrication, the early warning device plays the role of real-time detection in the process, leakage and blockage are prevented, the use efficiency is high, the cleaning mode is simple and efficient, and the use is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic view of a lower shaft component according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a rotating shuttle mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a lower shaft member configuration according to an embodiment of the present invention;
FIG. 6 is a schematic view of a tensioning mechanism according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of an upper shaft component according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of an oil supply mechanism according to an embodiment of the present invention;
FIG. 9 is an enlarged view taken at A in FIG. 8 according to an embodiment of the present invention;
FIG. 10 is a schematic view of the structure of the oil path selection portion according to the embodiment of the present invention;
FIG. 11 is a schematic view of a dust collector according to an embodiment of the present invention;
FIG. 12 is a schematic view of a suction device according to an embodiment of the present invention.
Reference numerals: 1. an upper shaft part; 100. a lifting shaft; 101. an upper bearing; 102. a spacer; 103. a retainer ring; 104. a guide sleeve; 105. fixing sleeves are arranged; 106. a lifting shaft fixing sleeve; 107. rotating the mounting seat; 108. rotating the machine head; 109. a cylinder; 110. a slide rail; 2. a frame body; 3. extending the arm; 4. a lower shaft member; 400. a rotating shuttle base; 401. a collecting ring; 402. a lower bearing mounting plate; 403. a rotating shuttle mechanism; 404. a transmission cavity; 405. a rotating shuttle working chamber; 406. oil sealing; 407. a cover plate; 408. a riser; 409. an oil chamber; 6. a synchronization mechanism; 600. a synchronous pulley; 601. a double-shaft motor; 602. tensioning the connecting plate; 603. a tension wheel; 604. tensioning the shaft; 605. tensioning the connecting sheet; 7. an oil supply mechanism; 700. an oil pumping pipe; 701. a transition duct; 702. a first housing; 703. a piston body; 704. a first oil storage chamber; 705. a second oil storage chamber; 706. a step; 707. a first oil discharge port; 708. a second oil drain port; 709. a drive bar; 710. a driving wheel; 711. a first tooth; 712. a second tooth; 713. a first check valve; 714. a second check valve; 715. a fluid housing; 716. a first cutout block; 717. a second cutout block; 718. a drive rod; 719. a first driving plate; 720. a second driving plate; 721. a drive motor; 722. a seal ring; 8. an early warning device; 800. a cover body; 801. mounting blocks; 802. a baffle; 803. a through hole; 804. a telescopic switch mechanism; 805. an induction device; 806. a guide rod; 807. a pressure bearing sheet; 808. a return spring; 809. a limiting block; 810. a contact; 9. a dust suction device; 900. a scrap collecting barrel; 901. a fixed mount; 902. a fixed arm; 903. a suction head; 904. a sliding mechanism; 905. a brush fixing disc; 906. a suction chamber; 907. a pressure increasing pipe; 908. a power source; 909. a suction nozzle; 910. a first connecting pipe; 911. a second connecting pipe; 912. a first wide tube; 913. a second wide tube; 914. a first thin tube; 915. a second thin tube; 916. a third tubule; 917. a first end; 918. a second end; 919. a void.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 12, the present invention discloses a template sewing machine with a rotary elevating type machine head, comprising: an upper shaft part 1; a frame body 2; an extension arm 3; a lower shaft member 4; further comprising: a synchronizing mechanism 6, the synchronizing mechanism 6 being configured to synchronously drive the upper shaft member 1 and the lower shaft member 4; wherein, the upper shaft part 1 is connected with the boom 3 in a sliding way, the synchronizing mechanism 6 comprises a synchronous belt wheel 600, a tensioning mechanism, a synchronous belt matched with the synchronous belt wheel 600 and a double-shaft motor 601, the synchronous belt wheel 600 is respectively arranged on the upper shaft part 1 and the lower shaft part 4, two output ends of the double-shaft motor 601 are respectively connected with the synchronous belt in a transmission way, the other end of the synchronous belt is connected with the synchronous belt wheel 600 in a transmission way, the tensioning mechanism is used for tensioning the synchronous belt, the lower shaft part 4 comprises a rotating shuttle base 400, a collecting ring 401, a lower bearing mounting plate 402 and a lower bearing, the synchronous belt wheel 600 positioned on the lower shaft part 4 is arranged above the collecting ring 401, the section of the synchronous belt wheel 600 on the lower shaft part 4 is in a convex shape, the middle part is provided with a connecting hole, the lower bearing is arranged on the inner side of the lower bearing mounting plate 402, and the bottom of the lower bearing is positioned above the closed flow ring, the inner side of the lower bearing is connected with a rotating shuttle base 400, when the synchronous pulley 600 rotates, the rotating shuttle base 400 and a rotating shuttle mechanism 403 can be driven to rotate, a collecting ring 401 is used for transmitting electric power and signals, the upper shaft part 1 comprises a lifting shaft 100, three upper bearings 101, a spacer 102, a retainer ring 103, a guide sleeve 104, an upper fixing sleeve 105, a lifting shaft 100 fixing sleeve, a rotating installation seat 107, a rotating machine head 108 and a collecting ring 401, the rotating installation seat 107 is positioned above the rotating machine head 108, the lifting shaft 100 is arranged in the rotating installation seat 107, the collecting ring 401 is arranged at the top of the lifting shaft 100 and used for providing electric power and signals, sawteeth are arranged on the outer side of the middle part of the lifting shaft 100, the synchronous pulley 600 of the upper shaft part 1 is arranged on the outer side of the lifting shaft 100, the upper bearing 101 is arranged above the synchronous pulley 600, the two upper bearings 101 are separated by the spacer 102, the top of the upper bearing 101 located at the top is assembled with a retaining ring 103, the upper fixing sleeve 105 is located at the outer side of the lifting shaft 100 and located above the sawtooth, the outer side of the guide sleeve 104 is fixedly connected with the top of the inner side of the synchronous pulley 600, the inner side of the guide sleeve 104 is engaged with the sawtooth of the lifting shaft 100 and can move up and down along the synchronous pulley 600, the fixing sleeve of the lifting shaft 100 is arranged at the bottom of the outer side of the lifting shaft 100, the third upper bearing 101 is arranged between the rotary mounting seat 107 and the rotary machine head 108, the fixing sleeve of the lifting shaft 100 is matched with the third upper bearing 101, the rotary mounting seat 107 does not rotate when the synchronous pulley 600 rotates, the rotary machine head 108 rotates and is directly matched with the double-shaft motor 601 through the synchronous pulley 600, the loss in the operation process is reduced, the efficiency is higher in the operation process, the synchronism is better, the sewing direction is always consistent with the template movement direction, the stitch is sewn out to be more beautiful, the tensioning mechanism is arranged in the synchronous belt to achieve the stability in the synchronous operation process of the synchronous belt, the upper shaft assembly in the synchronous operation process is ensured, the upper shaft assembly and the sliding arm structure of the sliding arm 1 and the sliding cylinder 109, and the sliding cylinder 110 of the sliding rail 1, and the sliding arm structure of the sliding rail 1.
The tensioning mechanism includes: a tension web 602; two pinch rollers 603; two mandrils 604; a tension connection tab 605; the two tension shafts 604 are arranged symmetrically along the center of the tension connecting plate 602, the two tension wheels 603 are respectively sleeved on the two tension shafts 604, the tension connecting plate 605 is connected with one end of the two tension shafts 604, the two tension wheels 603 are arranged in a staggered manner in the synchronous belt and are contacted with the inner wall of the synchronous belt, the tension connecting plate 602 and the tension connecting plate 605 are arranged oppositely from top to bottom, the tension connecting plate 602 is used for connecting the tension shafts 604 and fixing the tension shafts, so that the stable state is ensured in the transmission process of the synchronous belt, and the inner side of the synchronous belt is contacted with the outer side of the tension wheel 603, so that the transmission process of the synchronous belt is in a stable state.
The lower shaft member 4 includes: a rotating shuttle mechanism 403; the rotating base comprises a transmission cavity 404, an oil cavity 409 and a rotating shuttle working cavity 405, one end of the rotating shuttle mechanism 403 is connected with the transmission cavity 404, and the other end of the rotating shuttle mechanism 403 is arranged in the rotating shuttle working cavity 405; the oil cavity is used for storing lubricating oil, an oil filling opening is formed in one side of the oil cavity, an oil seal 406 is sealed on the oil filling opening, a transmission structure is arranged in the transmission cavity 404 and used for driving the rotating shuttle mechanism 403, one end of the rotating shuttle mechanism 403 is placed in the rotating shuttle working cavity 405, lubricating oil is stored in the oil cavity and is convenient for mechanical lubricating oil adding, adding convenience is improved, the oil seal 406 is opened, manual oil filling can be performed on the oil filling opening, and the structure of the rotating shuttle mechanism 403 is the same as that in the prior art.
The lower shaft part 4 is further provided with a lower bearing, the lower bearing is located below the rotating base and located above the synchronous belt pulley 600, the oil cavity is further provided with an oil supply mechanism 7 and a cover plate 407, the oil supply mechanism 7 is connected with the cover plate 407 and penetrates through the cover plate 407 to extend to the oil cavity, the input end of the oil supply mechanism 7 extends to the bottom of the oil cavity, the output end of the oil supply mechanism 7 conveys lubricating oil to the rotating shuttle mechanism 403 and the lower bearing respectively, the lower bearing is arranged to facilitate rotation of the lower shaft part 4, a vertical pipe 408 is arranged at the connection position of the rotating base and the lower bearing, the vertical pipe 408 is communicated with an oil injection hole of the lower bearing to facilitate oil injection, the lower bearing is injected by pressure to the outside, the cover plate 407 is fixedly connected with the upper portion of the oil cavity corresponding to the rotating base through bolts, and the lubricating oil in the oil cavity is pumped by the oil supply mechanism 7 and then is supplied to the rotating shuttle mechanism 403 and the lower bearing respectively, so that the service life of the two parts is prolonged, abrasion is reduced, and transmission is facilitated.
The oil supply mechanism 7 includes: an oil pumping pipe 700; an oil pumping unit; a transition duct 701; an oil path selecting unit; wherein, one end of the oil pumping pipe 700 is connected with the oil pumping unit, and the other end is close to the bottom of the oil cavity, the oil pumping unit pumps the lubricating oil in the oil cavity and enters the oil path selection unit through the transition pipe 701, and the oil pumping unit comprises: the oil-saving structure comprises a first shell 702, a piston body 703, a first oil storage cavity 704, a second oil storage cavity 705 and a driving part, wherein the piston body 703 and the driving part are coaxially connected, the driving part is positioned above the piston body 703, an inverted convex character is formed in the first shell 702, the driving part is positioned above the first shell 702, the farthest descending distance of the driving part is abutted against the step 706, the first oil storage cavity 704 is positioned at the protruding position of the first shell 702, the piston body 703 can move in the first oil storage cavity 704 to suck lubricating oil into the first oil storage cavity 704, the second oil storage cavity 705 is arranged in the piston body 703, the lubricating oil in the first oil storage cavity 704 is pressed into the second oil storage cavity in the process that the piston body 703 is pressed downwards, a first oil discharge port 707 is arranged above the outer side of the piston body 703, a second oil discharge port 708 is arranged at the first shell 702, and the second oil discharge port 708 is connected with a transition pipe 701, when the piston body 703 moves upwards, the lubricating oil in the second oil storage cavity 705 is located above the first oil storage cavity 704, and then the lubricating oil can directly enter the transition pipe 701 and directly be supplied into a corresponding mechanism through the oil path selection unit to complete oil supply, the driving part comprises a transmission bar 709 and a transmission wheel 710, the transmission bar 709 is arranged at two sides of the transmission wheel 710, a first tooth 711 is arranged on the transmission bar 709, a second tooth 712 meshed with the first tooth 711 on the transmission wheel 710 is arranged on the transmission wheel 710, the number of the first teeth 711 is greater than that of the second teeth 712, the second teeth 712 are located on the circumference of the transmission wheel 710 smaller than a semi-circular arc, therefore, when the transmission wheel 710 rotates forwards, the transmission bar 709 at different sides can be matched to realize reciprocating movement of the oil pumping unit to form negative pressure, a first check valve 713 is arranged at the inlet of the first oil storage cavity 704, and a second check valve 714 is arranged at the inlet of the second oil storage cavity 705, prevent lubricating oil refluence, this structure makes micro motor need not the reversal in turn, promotes life, it is higher to adopt direct drive efficiency, the noise is littleer, and the volume is littleer simple to operate, the oil pumping unit takes out the lubricating oil in the oil chamber to the oil circuit selected cell, then the oil circuit selected cell lets in rotating shuttle mechanism 403 or lower part bearing under control system's control in, make things convenient for the convenient degree of automation of oil feed and oil pumping to be high, the most structure setting of oil pumping unit further saves taking in space in the oil chamber.
Further comprising: a micro-motor; wherein, the outside of pumping the unit is equipped with first shell 702, micro motor is connected with first shell 702, micro motor is used for driving pumping the unit and is reciprocating motion to the oil pocket, micro motor drive pumping unit's work, micro motor sets up in the top of apron 407 and apron 407 fixed connection, micro motor is the rotation of same direction and is driven the reciprocating motion who has taken out the unit, adopt micro motor to reduce the occupation of space, and excellent in use effect has ensured micro motor's life, pumping unit forms the negative pressure at reciprocating motion's in-process and realizes the extraction and discharge, practicality and availability factor are high.
The oil path selection unit is provided with two oil outlet ends, one of the oil outlet ends is connected with the rotating shuttle mechanism 403, the other oil outlet end is connected with the bottom of the rotating base and used for feeding lubricating oil into a lower bearing, the oil path selection unit comprises a fluid shell 715, a first flow breaking block 716, a second flow breaking block 717, a driving rod 718, an oil inlet end, a first driving sheet 719, a second driving sheet 720, a first driving sheet 719, a second 720 and a driving motor 721, the two oil outlet ends are arranged on the same side, the oil inlet end is positioned in the opposite direction of the oil outlet end and communicated with a transition pipe 701, the first flow breaking block 716 is fixedly connected with the first driving sheet 719, the second flow breaking block 717 is fixedly connected with the second 720, and elliptical driving holes are formed in the first driving sheet 719 and the second driving sheet 720, the first driving sheet 719 and the second driving sheet 720 are respectively arranged on the driving rod 718, and the directions are opposite, the first driving sheet 719 and the second driving sheet 720 are respectively matched with the driving holes, when the driving rod 718 rotates, the first flow breaking block 716 is sealed with the oil outlet end, the second flow breaking block 717 is opened with the oil outlet end, the outer sides of the first flow breaking block 716 and the second flow breaking block 717 are provided with sealing rings 722 for being in sealing fit with the oil outlet end, the cross sections of the first flow breaking block 716 and the second flow breaking block 717 are funnel-shaped structures, the driving motor 721 rotates towards one side, and then opening and closing conversion of the two oil outlet ends can be achieved, the use is convenient, the service life of the driving motor 721 is prolonged, the structure is simple, and a chamfer matched with the flow breaking block is arranged at the matching position of the oil outlet end and the flow breaking block.
Further comprising: the early warning devices 8 are respectively arranged on the two oil outlet ends of the oil path selection unit, and the detection holes are respectively arranged on the oil outlet ends; the detection hole is connected with the early warning device 8, lubricating oil can enter the early warning device 8 in the flowing process, the early warning device 8 comprises a cover body 800, an installation block 801 and a guide plate 802, the cover body 800 is of a visual structure and is convenient to directly observe when the sealing performance is tested, the installation block 801 is arranged in the cover body 800, the outer side of the installation block 801 is fixed with the inner wall of the cover body 800 and hermetically divides the cover body 800 into two chambers, the chamber close to the detection hole is a power chamber and is used for storing the lubricating oil, the power chamber can also be used as a chamber for directly observing, the other chamber is used for generating signals and is triggered under the action of oil pressure, the structure is simple and convenient to use, a through hole 803 is formed in the middle of the installation block 801, when the lubricating oil and the pressure flow in the oil outlet end, a small amount of lubricating oil and pressure can enter the early warning device 8 and can enter the early warning device 8 under two conditions, when leakage does not occur, the early warning device 8 belongs to a normal condition, a signal source can be generated, the signal source feeds back fluid and the pressure belongs to a normal operation condition, and can prevent the condition of damage or blockage, if one signal source is not generated, namely, the early warning prompt that the signal source is generated under the normal operation condition of damage or blockage; when leakage occurs, the two early warning devices 8 both generate signal sources, namely, the leakage occurs through feedback, and the structure is simple and the use is convenient.
The early warning device 8 is internally provided with a telescopic switch mechanism 804 and a sensing device 805, when lubricating oil enters the early warning device 8, the telescopic switch mechanism 804 contacts the sensing device 805 under the action of pressure to form a signal source, when both the two early warning devices 8 generate the signal source, an alarm is generated, the telescopic switch mechanism 804 comprises a guide rod 806, a pressure-bearing sheet 807, a return spring 808, a limiting block 809 and a contact 810, the guide rod 806 is arranged in a through hole 803 and can move along the axis direction of the through hole 803, the through hole 803 is in a trapezoid structure, a cavity with the upper bottom positioned at the upper part and a cavity with the lower bottom positioned close to a detection hole, the limiting block 809 is fixedly connected with the end part of the cavity with the upper part of the guide rod 806, the return spring 808 is sleeved outside the guide rod 806, one end of the return spring 808 is fixedly connected with the limiting block 809, the other end is fixedly connected with the top of the mounting block 801, the pressure-bearing sheet 807 is fixedly connected with the other end of the guide rod 806, the pressure-bearing sheet 807 is in an arc shape and is used for accumulating the pressure generated by the lubricating oil, the contact 810 is arranged outside the limiting block 809, when the guide rod 806 is ejected out, the contact 810 is contacted with the contact 805 when the contact 805, the corresponding telescopic switch mechanism 804 can be conveniently matched with the signal source under the simple pressure source under the action of the simple control system 805, and can easily distinguish the signal source when the anti-blocking alarm, and the signal source, and the anti-blocking alarm system 804.
The rear side of the frame body 2 is detachably connected with a dust collection device 9, the dust collection device 9 comprises a scrap collecting barrel 900, a fixing frame 901, a fixing arm 902, a suction head 903, a suction device and a pipeline connecting part, the scrap collecting barrel 900 is arranged below the fixing frame 901, the scrap collecting barrel 900 is detachably connected with the frame body 2, the fixing frame 901 extends upwards and is higher than the frame body 2, the fixing arm 902 is arranged above the fixing frame 901, the fixing arm 902 extends towards a working area, the suction head 903 can move in a reciprocating manner along the arrangement direction of the fixing arm 902, the direction is a first direction, the upper end of the suction head 903 is provided with a sliding mechanism 904, the sliding mechanism 904 is connected with the fixing arm 902 in a sliding manner, the sliding mechanism 904 drives the suction head 903 to move in a reciprocating manner towards a second direction, the first direction is perpendicular to the second direction, and the bottom edge of the suction head 903 is provided with a brush fixing disc 905, the brush fixed disk 905 is rotatably matched with the suction head 903 to realize dust abrasion, the suction device comprises a suction cavity 906, a pressure increasing pipe 907 and a power source 908 which are arranged in the suction head 903, the pressure increasing pipe 907 is arranged on two sides of the suction head 903 and is communicated with the suction cavity 906, the power source 908 is arranged on the outer side of the fixed frame 901, the power source 908 is a fan with compressed gas, one side of the power source 908 is an air inlet end, the other side of the power source is an air outlet end, a suction nozzle 909 is arranged at the bottom of the suction head 903, the suction nozzle 909 is communicated with the suction cavity 906, the outlet end of the suction cavity 906 is provided with a first connecting pipe 910, the first connecting pipe 910 is a telescopic hose, the top of the chip collecting barrel 900 is provided with a second connecting pipe 911, the second connecting pipe 911 is a hose, and the pipe connecting part comprises a first thick pipe 912, a second thick pipe 913, a first thin pipe 914, a second thin pipe 915 and a third thin pipe 916, the first thick tube 912 and the second thick tube 913 are arranged in parallel and adjacently, one end of the first connecting tube 910 departing from the suction cavity 906 is communicated with the lower part of the outer side of the first thick tube 912, the first thin tube 914 is arranged in an inverted concave shape, the vertical part of the first thin tube 914 penetrates through the first thick tube 912 and the second thick tube 913 respectively, the transverse part of the first connecting tube is fixedly connected with the bottom of the fixing arm 902, the vertical part of the first thin tube 914 penetrates through the end parts of the first thick tube 912 and the second thick tube 913 to form a first end 917 and a second end 918, two ends of the second thin tube 915 are bent towards one side, one end of the second thin tube is connected with the first end 917, and the other end of the second thin tube is connected with the upper part of the outer side of the first thick tube 912, two ends of the third thin tube 916 are bent towards one side, wherein one end of the third thin tube is connected with the second end 918, the other end of the third thin tube is connected with the lower part of the outer side of the second thick tube 913, one end of the second connecting tube 911, which is far away from the chip collecting barrel 900, is connected with the upper part of the outer side of the second thick tube 913, a lifting cylinder 109 is arranged on the suction head 903, the cylinder 109 is used for driving the distance between the suction head 903 and the workbench of the frame body 2, a gap 919 is formed on the side wall of the suction cavity 906, the supercharging tube 907 is communicated with the gap 919, the gap 919 is of a bent structure, the outlet direction is adapted to the air inlet direction of the suction head 903, and the size of the gap 919 is 0.3-0.6mm; when cleaning is needed, the upper shaft part 1 and the lower shaft part 4 stop running, the sliding mechanism 904 drives the sucker 903 to move forwards in the direction of the upper shaft part 1 and the lower shaft part 4 along the fixed arm 902, after the sucker 903 is driven to descend by the lifting cylinder 109 after reaching the corresponding position, the brush and the suction device are started at the same time, the brush rotates to shake dust, the power source 908 starts to inject compressed air into the pressure increasing pipe 907, the air enters the suction cavity 906 through the gap 919 and enters the pipeline connecting part, a negative pressure is formed at the position of the suction nozzle 909 at the moment, impurities such as lint, cotton wool and dust on a workbench can be sucked, the impurities enter the pipeline connecting part and move forwards along the pipeline setting force until the impurities enter the debris collecting barrel 900, the pipeline connecting part can reduce the flow of the impurities passing once, convey the impurities smoothly and prevent blockage, the suction device can realize larger suction by using a small amount of air flow, the suction cavity 906 is an air incrementer, the principle of the generated negative pressure is that the air flow in the suction cavity 906 is large, the position of the suction device is far smaller than the position of the suction nozzle 906, and the negative pressure is generated, so that the structure is simple and the efficiency is high.
A control method of a template sewing machine with a rotary lifting type machine head comprises the following steps:
s1, setting oil supply interval time according to the rotating speed of a rotating shuttle;
s2, when the oil supply time is up, the micro motor starts and drives the oil pumping unit to reciprocate towards the oil cavity along the inner wall of the first shell 702 to form an oil suction working condition and an oil outlet working condition;
s3, under the oil outlet working condition, lubricating oil enters the transition pipe 701, the transition pipe 701 is led into the oil path selection unit, when the rotating shuttle mechanism 403 is supplied with oil, the oil outlet end connected with the lower bearing is closed, the oil outlet end connected with the rotating shuttle mechanism 403 is opened, and the lubricating oil enters the oil outlet end and enters the rotating shuttle mechanism 403; when the lower bearing is supplied with oil, the oil outlet end connected with the lower bearing is opened, the oil outlet end connected with the rotating shuttle mechanism 403 is closed, and the lubricating oil enters the oil outlet end and enters the lower bearing;
s4, in the step S3, the early warning device 8 monitors the two oil outlet ends simultaneously, when one oil outlet end is closed, fluid and pressure are not generated, and the other oil outlet end is opened to generate fluid and pressure; fluid and pressure in the oil outlet ends can enter the early warning device 8 to push the telescopic switch mechanism 804, when the telescopic switch mechanism 804 contacts the sensing device 805, a signal source is formed, leakage does not occur, and when signal sources are formed at the two oil outlet ends, leakage occurs;
s5, when cleaning is needed, the upper shaft part and the lower shaft part stop running, the upper shaft part rises, and the sucker moves forwards along the fixed arm in the direction of the upper shaft part and the lower shaft part;
s6, the brush fixing disc and the suction device are started simultaneously, the brush rotates to shake dust, the power source is started to inject compressed gas into the pressure increasing pipe, the gas enters the suction cavity through the gap and enters the pipeline connecting portion, a negative pressure is formed at the suction nozzle, impurities such as flock, cotton wool and dust on the workbench can be sucked, and the impurities enter the pipeline connecting portion.
The processing time of the large-scale sewing machine is fixed when the same product is processed, so the oil supply interval time is preset, when the time is reached, the rotating shuttle mechanism 403 needs to add lubricating oil to ensure the operation stability and efficiency of the large-scale sewing machine, the micro motor is started during oil supply, the oil pumping unit firstly moves towards the bottom of the oil cavity and then moves in the reverse direction, the lubricating oil is pumped into the oil pumping unit to be stored and then overflows to the transition pipe 701, before oil pumping is carried out, the oil path selection unit preselects a pipeline which needs oil supply to be opened, the oil supply does not need to be closed, the lubricating oil can smoothly flow out to enter lubrication, the early warning device 8 plays a role in real-time detection in the process, leakage and blockage are prevented, the use efficiency is high, the cleaning mode is simple and efficient, and the use is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (3)
1. A head rotation lifting type template sewing machine comprises:
an upper shaft member (1);
a frame body (2);
a cantilever (3);
a lower shaft member (4);
it is characterized by also comprising:
the dust collection device (9), the dust collection device (9) is detachably connected to the rear side of the frame body (2);
the dust collection device (9) comprises a scrap collecting barrel (900), a fixing frame (901), a fixing arm (902), a suction head (903), a suction device and a pipeline connecting part, wherein the scrap collecting barrel (900) is arranged below the fixing frame (901), the scrap collecting barrel (900) is detachably connected with a frame body (2), the fixing frame (901) extends upwards and is higher than the frame body (2), the fixing arm (902) is arranged above the fixing frame (901), the fixing arm (902) extends towards a working area, the suction head (903) can reciprocate along the arrangement direction of the fixing arm (902), and the suction device is used for driving the suction head (903) to form negative pressure to suck sundries into the scrap collecting barrel (900);
the lower shaft member (4) includes:
a rotating shuttle mechanism (403);
the rotating base comprises a transmission cavity (404), an oil cavity (409) and a rotating shuttle working cavity (405), one end of the rotating shuttle mechanism (403) is connected with the transmission cavity (404), and the other end of the rotating shuttle mechanism is arranged in the rotating shuttle working cavity (405);
the oil cavity (409) is used for storing lubricating oil, an oil filling port is formed in one side of the oil cavity (409), and an oil seal (406) is sealed on the oil filling port;
the lower shaft part (4) is further provided with a lower bearing, the lower bearing is positioned below the rotating base and above the synchronous belt pulley (600), the oil cavity (409) is further provided with an oil supply mechanism (7) and a cover plate (407), the oil supply mechanism (7) is connected with the cover plate (407) and penetrates through the cover plate (407) to extend to the oil cavity (409), the input end of the oil supply mechanism (7) extends to the bottom of the oil cavity (409), and the output end of the oil supply mechanism (7) respectively conveys lubricating oil to the rotating shuttle mechanism (403) and the lower bearing;
the oil supply mechanism (7) includes:
an oil extraction pipe (700);
an oil pumping unit;
a transition duct (701);
an oil path selecting unit;
one end of the oil pumping pipe (700) is connected with the oil pumping unit, the other end of the oil pumping unit is close to the bottom of the oil cavity (409), and the oil pumping unit pumps lubricating oil in the oil cavity (409) and enters the oil path selection unit through the transition pipe (701);
the oil pumping unit comprises: the lubricating oil device comprises a first shell (702), a piston body (703), a first oil storage cavity (704), a second oil storage cavity (705) and a driving part, wherein the piston body (703) and the driving part are fixedly connected and coaxially arranged, the driving part is positioned above the piston body (703), an inverted convex character is formed inside the first shell (702), a step (706) is formed in the first shell, the driving part is positioned above the first shell (702) and abuts against the step (706) at the farthest descending distance, the first oil storage cavity (704) is positioned at the protruding part of the first shell (702), the piston body (703) can move in the first oil storage cavity (704) to suck lubricating oil into the first oil storage cavity (704), the second oil storage cavity (705) is arranged in the piston body (703), the lubricating oil in the first oil storage cavity (704) is pressed into the second oil storage cavity (705) in the process of pressing down the piston body (703), the first oil discharge port (707) is arranged above the outer side of the piston body (703), a second oil storage port (702) is arranged at the position of the first shell (702), the second oil storage cavity (705), when the second oil discharge port (701) is connected with a transition pipe (701), the lubricating oil discharge pipe (701), and the lubricating oil discharge pipe can directly enters into the oil supply unit (701), and the oil supply unit (701) and the lubricating oil supply unit (701), the driving part comprises a transmission bar (709) and a transmission wheel (710), the transmission bar (709) is arranged on two sides of the transmission wheel (710), first teeth (711) are arranged on the transmission bar (709), second teeth (712) meshed with the first teeth (711) on the transmission wheel (710) are arranged on the transmission wheel (710), the number of the first teeth (711) is larger than that of the second teeth (712), the second teeth (712) are positioned on the circumference of the transmission wheel (710) smaller than a semicircular arc, the transmission wheel (710) can be matched with the transmission bars (709) on different sides to realize reciprocating movement of the oil pumping unit to form negative pressure when rotating positively, a first check valve (713) is arranged at the inlet of the first oil storage cavity (704), and a second check valve (714) is arranged at the inlet of the second oil storage cavity (705);
the oil path selection unit is provided with two oil outlet ends, one oil outlet end is connected with the rotating shuttle mechanism (403), and the other oil outlet end is connected with the bottom of the rotating base and used for conveying lubricating oil into the lower bearing;
the oil circuit selection unit comprises a fluid shell (715), a first flow breaking block (716), a second flow breaking block (717), a driving rod (718), an oil inlet end, a first driving sheet (719), a second driving sheet (720) and a driving motor (721), wherein the two oil outlet ends are arranged on the same side, the oil inlet end is positioned in the opposite direction of the oil outlet end, the oil inlet end is communicated with a transition pipe (701), the first flow breaking block (716) is fixedly connected with the first driving sheet (719), the second flow breaking block (717) is fixedly connected with the second driving sheet (720), elliptical driving holes are formed in the first driving sheet (719) and the second driving sheet (720), the first driving sheet (719) and the second driving sheet (720) are respectively arranged on the driving rod (718) and face to face oppositely, the first driving sheet (719) and the second driving sheet (720) are respectively matched with the driving holes, when the driving rod (718) rotates, the first flow breaking block (716) is matched with the second flow breaking block (716), the outer side of the second flow breaking block (717) is provided with a sealing ring, and the oil outlet end (722) is in a sealing structure, and the second flow breaking block (717 is used for sealing;
further comprising:
a micro-motor;
the outer side of the oil pumping unit is provided with a first shell (702), the micro motor is connected with the first shell (702), and the micro motor is used for driving the oil pumping unit to reciprocate towards the oil cavity (409);
further comprising:
the early warning devices (8) are respectively arranged on the two oil outlet ends of the oil path selection unit;
the detection holes are respectively arranged on the oil outlet ends;
the detection hole is connected with the early warning device (8), lubricating oil can enter the early warning device (8) in the flowing process, a telescopic switch mechanism (804) and a sensing device (805) are arranged in the early warning device (8), the telescopic switch mechanism (804) contacts the sensing device (805) to form a signal source under the action of pressure after the lubricating oil enters the early warning device (8), and an alarm is given when the signal source is generated by the two early warning devices (8).
2. The head-rotating liftable template sewing machine according to claim 1, wherein the suction device comprises:
the suction cavity (906) is arranged in the suction head (903), and the inner diameter of the suction cavity (906) is gradually increased from the air inlet end to the air outlet end;
the pressure increasing pipe (907) is arranged on two sides of the suction head (903) and communicated with the suction cavity (906);
a power source (908), wherein the power source (908) is arranged on the outer side of the fixed frame (901);
the power source (908) is used for introducing compressed air to the pressure increasing pipe (907), so that a coanda effect is formed in the suction cavity (906) to realize negative pressure suction at the air inlet end of the suction head (903).
3. The head-rotating liftable template sewing machine according to claim 2, wherein: a gap (919) is formed on the side wall of the suction cavity (906), the booster pipe (907) is communicated with the gap (919), the gap (919) is of a bent structure, the outlet direction of the gap is matched with the air inlet direction of the suction head (903), and the size of the gap (919) is 0.3-0.6mm.
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| CN202111332136.9A CN114032645B (en) | 2021-11-11 | 2021-11-11 | Template sewing machine with rotary lifting type machine head and control method thereof |
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| CN202111332136.9A CN114032645B (en) | 2021-11-11 | 2021-11-11 | Template sewing machine with rotary lifting type machine head and control method thereof |
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| CN114032645A (en) | 2022-02-11 |
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