CN210975109U - Shuttle grabbing device of sewing equipment - Google Patents
Shuttle grabbing device of sewing equipment Download PDFInfo
- Publication number
- CN210975109U CN210975109U CN201921750565.6U CN201921750565U CN210975109U CN 210975109 U CN210975109 U CN 210975109U CN 201921750565 U CN201921750565 U CN 201921750565U CN 210975109 U CN210975109 U CN 210975109U
- Authority
- CN
- China
- Prior art keywords
- shuttle
- grabbing
- lifting
- cylinder
- driving mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a sewing machine's shuttle device that grabs, including liftable and wobbling shuttle claw subassembly, be used for the drive the lift actuating mechanism that shuttle claw subassembly goes up and down and be used for the drive shuttle claw subassembly pivoted rotates actuating mechanism, shuttle claw subassembly has the first position that is located the shuttle top and is located the second position of depositing shuttle device top. The shuttle claw assembly can be lifted and swung through the lifting driving mechanism and the rotating driving mechanism, has larger freedom of movement, can flexibly move between a first position and a second position, can conveniently enter the shuttle swinging or storing device to grab the shuttle shell, is convenient to use, and improves the shuttle changing efficiency.
Description
The application is a divisional application with application date 2018, 12 and 29, application number 2018222667459 and title "a shuttle changing mechanism of sewing equipment".
Technical Field
The utility model belongs to the sewing machine field relates to a sewing machine's shuttle device that grabs.
Background
Sewing apparatuses are widely used for sewing fabrics and the like. The sewing apparatus includes a shuttle on which a bobbin case is mounted, and a thread for sewing is wound on the bobbin case, thereby supplying a sewing thread to a head. When the thread on the bobbin case is used up, the bobbin case needs to be replaced. Currently, in some automatic sewing machines, an automatic bobbin-grabbing device is provided, such as an automatic bobbin-changing device disclosed in chinese patent CN 207313884U. The shuttle grabbing device is an important component of the shuttle changing device and has great influence on the shuttle changing efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, it is an object of the present invention to provide an improved shuttle catching device for a sewing machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the shuttle grabbing device of the sewing equipment comprises a liftable and swingable shuttle claw assembly, a lifting driving mechanism for driving the shuttle claw assembly to lift and a rotating driving mechanism for driving the shuttle claw assembly to rotate, wherein the shuttle claw assembly is provided with a first position above a swing shuttle and a second position above a shuttle storage device.
The shuttle grabbing device further comprises a mounting seat, a lifting plate, a crank rotatably arranged on the mounting seat, a guide shaft capable of sliding up and down relative to the crank, and a shuttle claw arm supporting plate provided with the shuttle claw assembly, wherein the guide shaft is connected to the crank through an outer sliding sleeve so as to be driven by the crank to rotate, the shuttle claw arm supporting plate is connected to the guide shaft so as to be driven by the guide shaft to rotate, the end part of the guide shaft is rotatably connected to the lifting plate through a connecting shaft, the lifting plate is connected with the lifting driving mechanism so as to drive the guide shaft and the shuttle claw arm supporting plate to lift, and the rotating driving mechanism is connected with the crank so as to drive the crank and the guide shaft to rotate.
Furthermore, the guide shaft can be vertically slidably arranged in the outer sliding sleeve in a penetrating way.
Furthermore, the lifting driving mechanism comprises a lifting cylinder arranged on the mounting seat, and a piston rod of the lifting cylinder is fixedly connected to the lifting plate through a fixing screw rod; the rotation driving mechanism comprises a rotation cylinder arranged on the mounting seat, and a piston rod of the rotation cylinder is connected with the crank.
Furthermore, the mounting seat is fixedly connected with a U-shaped limiting sheet, the U-shaped limiting sheet is provided with two end portions, a piston rod of the rotating cylinder is connected to the crank through a joint, and the joint is located between the two end portions.
Furthermore, a plane bearing which is convenient for the shuttle claw arm supporting plate and the lifting plate to relatively rotate is sleeved on the connecting shaft.
Further, the shuttle claw assembly comprises a liftable and swingable shuttle claw arm, a fixing plate fixedly arranged on the shuttle claw arm, a shuttle grabbing rod rotatably arranged on the shuttle claw arm and a shuttle grabbing driving mechanism for driving the shuttle grabbing rod to rotate, wherein the shuttle grabbing rod is provided with a first position and a second position, and when the shuttle grabbing rod is converted from the first position to the second position, the shuttle grabbing rod picks up and clamps the rotating piece of the shuttle shell on the fixing plate.
Furthermore, the shuttle claw assembly further comprises a shuttle grabbing plate fixedly arranged on the shuttle claw arm, the fixing plate is fixedly arranged between the two shuttle grabbing plates, the shuttle grabbing rod is rotatably arranged between the two shuttle grabbing plates, and the upper end of the shuttle grabbing rod is rotatably connected to the shuttle grabbing plates through a rotating shaft.
Still further, the shuttle grasping driving mechanism comprises a shuttle grasping cylinder mounted on the shuttle claw arm, and a piston rod of the shuttle grasping cylinder is provided with an end part used for being matched and connected with the shuttle grasping rod.
Still further, the shuttle claw member further includes a shuttle detecting sensor for detecting whether a bobbin case is present in a gap between the fixing plate and the gripper bar.
The utility model adopts the above scheme, compare prior art and have following advantage:
the shuttle claw assembly can be lifted and swung through the lifting driving mechanism and the rotating driving mechanism, has larger freedom of movement, can flexibly move between a first position and a second position, and can conveniently enter the shuttle swinging or storing device to grab the shuttle shell, so that the precision is high, the adjustment is convenient, the use is reliable, and the shuttle changing efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, the invention can also be applied to other similar scenarios without inventive effort according to these drawings. Unless otherwise apparent from the context of language or otherwise indicated, like reference numerals in the figures refer to like structures and operations.
Fig. 1 shows a schematic structural view of a shuttle changing mechanism using the shuttle catching device of the present invention;
FIG. 2 is a perspective view of the shuttle storage device of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a perspective view of a shuttle grabber according to the present invention;
FIG. 5 is a partially exploded view of the shuttle grab device of FIG. 4;
fig. 6 is an exploded view of the shuttle grab device of fig. 4.
In the above-described figures of the drawings,
1. a bobbin case; 11. a rotating sheet; 2. a shuttle is swung; 3. a shuttle storage device; 4. a shuttle catching device;
30. a shuttle supporting plate; 301. a mandrel; 302. a card slot; 31. mounting a plate; 311. buckling; 32. a lower supporting plate; 321. a guide rail;
33. a module; 34. a motor; 35. a moving cylinder; 36. a locking cylinder; 37. an origin detection sensor;
40. a shuttle pawl assembly; 401. a shuttle claw arm; 402. grabbing a shuttle plate; 4021. a groove; 403. a fixing plate; 404. grabbing a shuttle rod; 4041. a rotating shaft; 4042. a spring hanging pin; 405. a shuttle catching cylinder; 406. a shuttle detection sensor; 407. positioning pins; 41. a mounting seat; 411. a shaft sleeve; 42. a crank; 43. a guide shaft; 430. an outer sliding sleeve; 431. a connecting shaft; 432. a shaft sleeve; 433. a flat bearing; 44. A shuttle claw arm pallet; 441. a waist-shaped hole; 45. a lifting plate; 451. a cylinder fixing screw; 452. a limit screw; 46. a guide bar; 461. a linear bearing; 47. a lifting cylinder; 48. rotating the cylinder; 481. a joint; 49. a limiting plate; 491. and an end portion.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables the advantages and features of the invention to be more readily understood by those skilled in the art.
As used in this specification and the appended claims, the terms "comprises" and "comprising" are intended to only encompass the explicitly identified steps and elements, which do not constitute an exclusive list, and that a method or apparatus may include other steps or elements. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.
The embodiment provides a shuttle grabbing device of a sewing device, which is used for grabbing and moving a bobbin case in a shuttle changing mechanism. Referring to fig. 1, the shuttle changing mechanism includes a shuttle 2 for mounting a bobbin case 1, a shuttle storing device 3 for storing the wired bobbin case 1, and a shuttle catching device 4 for catching and moving the bobbin case 1. The shuttle 2 has a spindle for mounting the bobbin case 1 therein, and the bobbin case 1 is used for setting a thread for sewing. Referring to fig. 2 and 3, the shuttle storage device 3 includes a shuttle supporting plate 30 capable of sliding in the transverse direction and a first driving mechanism for driving the shuttle supporting plate 30 to slide in the transverse direction, and a plurality of bobbin case locations for placing the bobbin cases 1 are arranged on the shuttle supporting plate 30 in sequence in the transverse direction. Referring to fig. 4 to 6, the shuttle grasping device 4 includes a liftable and swingable shuttle claw assembly 40, and the shuttle claw assembly 40 has a first position above the shuttle 2 and a second position above one of the bobbin case positions on the shuttle supporting plate 30 for moving the bobbin case 1 between the shuttle 2 and the shuttle supporting plate 30. The shuttle change mechanism also includes a controller for controlling operation of the first drive mechanism.
Referring to fig. 2 and 3, the shuttle supporting plate 30 is provided with a plurality of rows of bobbin case locations sequentially arranged along the longitudinal direction, each row of bobbin case locations includes a plurality of bobbin case locations sequentially arranged along the transverse direction, and each bobbin case location is provided with a spindle 301 for mounting the bobbin case 1. That is, a plurality of bobbin cases are arranged in an array on the shuttle supporting plate 30. In each row, the distance between any two adjacent bobbin case locations is equal, and the first driving mechanism drives the shuttle supporting plate 30 to move in the transverse direction by a unit distance equal to the distance between the geometric centers of the two adjacent bobbin case locations each time.
The shuttle storage device 3 further comprises a module 33, a lower supporting plate 32 connected to the module 33 in a transverse sliding manner, a mounting plate 31 connected to the lower supporting plate 32 in a longitudinal sliding manner, and a second driving mechanism for driving the mounting plate 31 to slide in the longitudinal direction, wherein the shuttle supporting plate 30 is arranged on the mounting plate 31, and the controller is further used for controlling the second driving mechanism to operate. Preferably, the shuttle supporting plate 30 is detachably installed on the installation plate 31, and when all the thread of the bobbin case 1 on the shuttle supporting plate 30 is used up, the shuttle supporting plate 30 is removed to replace another shuttle supporting plate 30 loaded with the thread bobbin case 1. Specifically, as shown in fig. 3, two fasteners 311 are disposed on the mounting plate 31, two corresponding slots 302 are disposed on two ends of the shuttle supporting plate 30, and the fasteners 311 are detachably inserted into the slots 302; the buckle 311 is provided with an inclined surface which is convenient to be clamped into the clamping groove 302, and the inclined surfaces of the two clamping grooves 302 are arranged oppositely; the buckle 311 has elasticity, and can be disengaged from the engaging groove 302 after being deformed by a force. The lower supporting plate 32 is provided with a guide rail 321 extending along the longitudinal direction, and the mounting plate 31 is connected with the guide rail 321 in a sliding fit manner so as to slide along the guide rail 321 along the longitudinal direction. When the bobbin case with thread on the shuttle supporting plate is used up, the other group of shuttle supporting plate can be integrally replaced, and the operation is performed by bare hands, so that the operation is quick and convenient.
The first driving mechanism specifically includes a motor 34 and a screw pair (not shown in the figure) driven by the motor 34 to move, the screw pair drives two sliding blocks, and the two sliding blocks are connected to the lower supporting plate 32. The screw pair preferably extends in the transverse direction, and as the motor 34 rotates, the double-slider drives the lower supporting plate 32 to move in the transverse direction under the action of the screw pair. The controller is electrically connected to the motor 34 for providing control signals to the motor 34 for controlling the operation direction, rotation angle, etc. of the motor 34. The second driving mechanism includes a moving cylinder 35, and a piston rod of the moving cylinder 35 is connected to the mounting plate 31. The controller is electrically connected to the solenoid valve of the moving cylinder 35 to control the opening and closing of the solenoid valve, thereby adjusting the air intake direction of the moving cylinder 35 and controlling the operation of the piston rod.
The above-described shuttle storage device 3 further includes a locking mechanism for locking the mounting plate 31 after the mounting plate 31 is slid in place in the longitudinal direction. The shuttle storage device 3 further includes an origin detection sensor 37 for identifying the origin of the shuttle supporting plate 30, and the controller is electrically connected to the origin detection sensor 37. After the shuttle changing mechanism is restarted, the controller sends an operation control signal to the motor 34, the motor 34 operates to drive the shuttle supporting plate 30 to move transversely in response to the operation control signal, when the origin detection sensor 37 detects the shuttle supporting plate 30, the controller sends an in-situ detection signal, the controller receives the in-situ detection signal and sends a stop control signal to the motor 34, and in response to the stop control signal, the motor 34 stops operating, and the shuttle changing plate stops sliding. The origin detection sensor 37 is fixedly provided at one end of the module 33.
The shuttle grabbing device 4 further comprises a lifting driving mechanism for driving the shuttle claw assembly 40 to lift and a rotating driving mechanism for driving the shuttle claw assembly 40 to rotate, and the controller is further used for driving the lifting driving mechanism and the rotating driving mechanism. As shown in fig. 4 to 6, the shuttle catching device 4 specifically includes a mounting base 41, a lifting plate 45, a crank 42 rotatably disposed on the mounting base 41, a guide shaft 43 capable of sliding up and down relative to the crank 42, and a shuttle claw arm support plate 44 disposed on the shuttle claw assembly 40. The guide shaft 43 is connected to the crank 42 through the outer sliding sleeve to be driven by the crank 42 to rotate, and the guide shaft 43 can be vertically slidably inserted into the outer sliding sleeve. The shuttle arm support plate 44 is connected to the guide shaft 43 to be driven to rotate by the guide shaft 43, the end of the guide shaft 43 is rotatably connected to the lifting plate 45 through the connecting shaft 431, the lifting plate 45 is connected to a lifting driving mechanism to drive the guide shaft 43 and the shuttle arm support plate 44 to lift, and the rotation driving mechanism is connected to the crank 42 to drive the crank 42 and the guide shaft 43 to rotate.
The lifting driving mechanism specifically comprises a lifting cylinder 47 mounted on the mounting base 41, and a piston rod of the lifting cylinder 47 is fixedly connected to the lifting plate 45 through a cylinder fixing screw 451. Specifically, the lifting plate 45 is fixedly provided with a cylinder fixing screw 451 extending vertically, and the lower end of the cylinder fixing screw 451 is fixedly connected with the piston rod of the lifting cylinder 47. The controller is electrically connected with the electromagnetic valve of the lifting cylinder 47 to control the opening and closing of the electromagnetic valve so as to adjust the air inlet direction of the lifting cylinder 47 and control the up-and-down expansion of the piston rod.
The rotary driving mechanism specifically comprises a rotary air cylinder 48 mounted on the mounting base 41, and a piston rod of the rotary air cylinder 48 is connected with the crank 42. Specifically, the piston rod of the rotating cylinder 48 is connected to the crank 42 through a joint 481, a U-shaped limit plate 49 is mounted on the mounting seat 41, the U-shaped limit plate 49 has two ends 491, and the joint 481 is located between the two ends 491 of the U-shaped limit plate 49 and used for limiting the expansion and contraction stroke of the piston rod of the rotating cylinder 48 so as to limit the rotating angle of the shuttle pawl assembly 40. The controller is electrically connected to the solenoid valve of the rotary cylinder 48 to control the opening and closing of the solenoid valve, thereby adjusting the air intake direction of the rotary cylinder 48 and controlling the extension and retraction of the piston rod.
The crank 42 is sleeved on the outer sliding sleeve 430, the lower end of the outer sliding sleeve 430 is rotatably inserted into the mounting base 41 through the shaft sleeve 411, and the guide shaft 43 and the outer sliding sleeve 430 can only slide up and down but cannot rotate. The upper end of the guide shaft 43 is fixedly connected to a connecting shaft 431, and the connecting shaft 431 is rotatably inserted into the lifting plate 45 through a bushing 432. Therefore, when the crank 42 is driven to rotate by the rotating cylinder 48, the guide shaft 43 is driven to rotate by the outer sliding sleeve 430; when the lifting cylinder 47 drives the lifting plate 45 to move up and down, the guide shaft 43 can slide up and down relative to the mounting base 41 and the crank 42 thereon. That is, the guide shaft 43 is slidable up and down with respect to the crank 42 and is rotatable with the crank 42. As shown in fig. 5, the hook arm support plate 44 is provided with a waist-shaped hole 441 through which the guide shaft 43 can pass, and the guide shaft 43 passes through the waist-shaped hole 441 and is matched with the waist-shaped hole 441, and the hook arm support plate 44 is driven to rotate along with the rotation of the guide shaft 43; as the lifting plate 45 and the guide shaft 43 move up and down, the hook arm support plate 44 moves up and down.
A downwardly extending limit screw 452 is provided on the lifting plate 45 for defining the lowest position of the lifting plate 45, i.e., the lowest position that the shuttle pawl assembly 40 can reach. The shuttle changing assembly further includes a guide rod 46 having one end connected to the mounting base 41, and the other end of the guide rod 46 is slidably connected to the lifting plate 45. Specifically, the lower end portion of the guide rod 46 is inserted into the mounting seat 41, and the upper end portion of the guide rod 46 is slidably inserted into the lifting plate 45 in the up-down direction through the linear bearing 461.
The above-mentioned shuttle hook assembly 40 specifically includes a liftable and rotatable shuttle hook arm 401, a fixing plate 403 fixedly disposed on the shuttle hook arm 401, a shuttle catching rod 404 rotatably disposed on the shuttle hook arm 401, and a shuttle catching driving mechanism for driving the shuttle catching rod 404 to rotate, the shuttle catching rod 404 has a first position and a second position, when the shuttle catching rod 404 is at the first position, a gap between the shuttle catching rod 404 and the fixing plate 403 is relatively large, and at this time, the rotating plate 11 of the bobbin case 1 is attached to the bobbin case; when the shuttle catching lever 404 is switched from the first position to the second position, the shuttle catching lever 404 picks up and clamps the rotating piece of the bobbin case 1 on the fixing plate 403.
The hook arm 401 is fixedly disposed on the upper surface of the hook arm support plate 44, so as to be liftable and rotatable with the hook arm support plate 44. The connecting shaft 431 is sleeved with a plane bearing 433, wherein one plane bearing 433 is positioned on the upper surface of the lifting plate 45, and the other plane bearing 433 is positioned between the lower surface of the lifting plate 45 and the shuttle claw arm supporting plate 44, so that the relative rotation between the shuttle claw arm supporting plate 44 and the lifting plate 45 is facilitated.
The shuttle pawl assembly 40 further includes two shuttle catching plates 402 fixedly disposed on the shuttle pawl arm 401, a fixing plate 403 fixedly disposed between the two shuttle catching plates 402, and a shuttle catching rod 404 rotatably disposed between the two shuttle catching plates 402. Specifically, as shown in fig. 5 and 6, the upper end portion of the shuttle catching rod 404 is rotatably connected to the shuttle catching plate 402 by the rotating shaft 4041, and the lower portion of the shuttle catching plate 402 is engaged with the top of the bobbin case, so that the shuttle claw assembly 40 presses and catches the bobbin case. The hook grabbing rod 404 is provided with a hanging spring pin 4042, a spring is hung on the hanging spring pin 4042 so as to facilitate the hook grabbing rod 404 to reset, and a groove 4021 for inserting the hanging spring pin 4042 is formed in the hook grabbing plate 402 on one side. The shuttle catching plate 402 and the fixing plate 403 are integrally connected by screws and fixed to the end of the shuttle catching arm 401. The lower end of the shuttle catching rod 404 is hook-shaped, and can pull up the rotating piece 11 of the bobbin case 1.
The gripper driving mechanism includes a gripper cylinder 405 mounted on the shuttle gripper arm 401, and a piston rod of the gripper cylinder 405 has an end for mating engagement with the gripper rod 404. The controller is also used for controlling the operation of the shuttle grabbing cylinder 405, and the controller is electrically connected with the electromagnetic valve of the shuttle grabbing cylinder 405 to control the opening and closing of the electromagnetic valve so as to adjust the air inlet direction of the shuttle grabbing cylinder 405 and control the extension and contraction of the piston rod. The shuttle pawl assembly 40 further includes a shuttle detection sensor 406 for detecting whether the bobbin case 1 is present in the gap, the shuttle detection sensor 406 being electrically connected to the controller. The shuttle detection sensor 406 is triggered after detecting that the bobbin case 1 is in the gap between the fixing plate 403 and the bobbin grasping rod 404, a shuttle detection signal is sent to the controller, the controller sends an air inlet control signal to the electromagnetic valve of the bobbin grasping cylinder 405 after receiving the shuttle detection signal, in response to the air inlet control signal, the piston rod of the bobbin grasping cylinder 405 extends out, and the end part of the piston rod abuts against the bobbin grasping rod 404 until the bobbin case 1 is clamped on the fixing plate 403.
The gripper jaw assembly 40 further includes a positioning pin 407 provided on the fixing plate 403 for fitting with a square hole on the rotating blade 11 of the bobbin case 1, so that the bobbin case 1 can be gripped more reliably.
The shuttle changing mechanism further comprises a thread-missing detection sensor (not shown in the figure) for detecting whether the thread is missing in the shuttle 2, and the controller is electrically connected with the thread-missing detection sensor.
It should also be noted that: the moving cylinder 35, the lifting cylinder 47 and the rotating cylinder 48 are respectively provided with a magnetic inductor for detecting the current position of the piston rod, and each magnetic inductor is electrically connected with the controller so as to feed back the current position of each piston rod to the controller.
The embodiment also provides a shuttle changing method of the sewing equipment, which comprises a shuttle changing step and a shuttle taking step.
The shuttle changing step comprises:
driving the shuttle pawl assembly 40 to move to the second position, and driving the shuttle supporting plate 30 to move along the transverse direction, so that one bobbin case position on the shuttle supporting plate is opposite to the shuttle pawl assembly 40; or, the driving shuttle supporting plate 30 moves transversely, and the driving shuttle claw assembly 40 moves to the second position, so that one bobbin case position on the driving shuttle claw assembly is opposite to the shuttle claw assembly 40;
driving the gripper assembly 40 to descend to the bobbin case position and grip the bobbin case 1 on the bobbin case position;
the drive shuttle pawl assembly 40 is raised and moved to its first position;
the driving hook assembly 40 is lowered onto the shuttle 2 to release the bobbin case 1 on the shuttle 2.
The shuttle changing step further comprises: when the bobbin case 1 on one of the bobbin case positions is used up, the shuttle supporting plate 30 is driven to move longitudinally so that the bobbin case position on the other row is opposite to the gripper assembly 40.
The shuttle taking step comprises:
detecting whether the bobbin case 1 on the shuttle 2 is wired or not;
when the shuttle shell 1 on the shuttle 2 is not threaded, the driving shuttle claw assembly 40 moves to the first position;
the driving shuttle pawl assembly 40 descends onto the shuttle 2 and clamps the bobbin case 1 which is not threaded;
the drive shuttle pawl assembly 40 is raised and moved to its second position;
the drive dog assembly 40 is lowered to the empty bobbin case position and the bobbin case 1 is released to the empty bobbin case position.
The shuttle changing step and the shuttle taking step are sequentially and circularly performed. That is, the bobbin case 1 with thread on the bobbin supporting plate 30 is installed in the shuttle 2 through the shuttle changing step, after the thread of the bobbin case 1 in the shuttle 2 is used up, the empty bobbin case 1 is removed through the shuttle taking step and put back to the empty bobbin case position of the bobbin supporting plate 30, and the process is repeated until all the thread of the bobbin case 1 on the bobbin supporting plate 30 is used up.
The shuttle changing method comprises the following specific processes:
s1, detecting whether the bobbin case 1 in the shuttle 2 is wired or not through the thread missing detection sensor, and sending a thread missing detection signal to the controller when the thread missing detection sensor detects that no thread exists;
s2, a shuttle picking step:
s2-1, after the controller receives the thread lack detection signal, the sewing equipment stops and cuts thread; the controller sends a first rotation control signal to the rotating cylinder 48, and the piston rod of the rotating cylinder 48 moves to drive the shuttle pawl assembly 40 to swing to the first position (namely, above the shuttle 2); the controller sends a descending control signal to the lifting cylinder 47, and the piston rod of the lifting cylinder 47 acts to enable the shuttle claw assembly 40 to descend and press the shuttle shell 1; the controller sends a shuttle grabbing control signal to the shuttle grabbing cylinder 405, and a piston rod of the shuttle grabbing cylinder 405 drives the shuttle grabbing rod 404 to pull up and clamp the rotating piece of the bobbin case 1;
s2-2, the controller sends an ascending control signal to the lifting cylinder 47, and the piston rod of the lifting cylinder 47 acts to enable the shuttle claw assembly 40 to be disengaged from the shuttle 2; the controller sends a second rotation control signal to the rotation cylinder 48, and the piston rod of the rotation cylinder 48 moves to drive the shuttle pawl assembly 40 to swing to its second position (i.e., above the bobbin case of the shuttle supporting plate 30); the controller sends a descending control signal to the lifting cylinder 47 again, the piston rod of the lifting cylinder 47 acts to make the shuttle claw assembly 40 descend to the empty bobbin case position, and the bobbin case 1 is placed on the mandrel 301 of the bobbin case position; the controller sends a shuttle releasing control signal to the shuttle grabbing cylinder 405, and a piston rod of the shuttle grabbing cylinder 405 acts to release the bobbin case 1;
s2-3, the controller sends a lifting control signal to the lifting cylinder 47 again, and the piston rod of the lifting cylinder 47 acts to move the shuttle pawl assembly 40 above the shuttle supporting plate 30;
s3, a shuttle releasing step:
s3-1, the controller sends an operation control signal to the motor 34, the motor 34 rotates a set angle, and drives the shuttle supporting plate 30 to move a unit distance along the transverse direction, so that the bobbin case 1 with thread moves below the shuttle pawl assembly 40;
s3-2, the controller sends a descending control signal to the lifting cylinder 47, and the piston rod of the lifting cylinder 47 acts to enable the shuttle claw assembly 40 to descend and press the wired bobbin case 1;
s3-3, detecting whether the bobbin case 1 enters the shuttle grabbing assembly or not through the shuttle detecting sensor 406;
when the shuttle detecting sensor 406 of the shuttle claw assembly 40 detects the wired bobbin case 1, a shuttle existence detecting signal is sent to the controller, the controller sends a shuttle grabbing control signal to the shuttle grabbing cylinder 405 after receiving the shuttle existence detecting signal, and a piston rod of the shuttle grabbing cylinder 405 acts to clamp the wired bobbin case 1;
when the shuttle detecting sensor 406 of the shuttle claw assembly 40 does not detect the wired bobbin case 1, sending a shuttle-free detection signal to the controller, sending a lifting control signal to the lifting cylinder 47 after the controller receives the shuttle-free detection signal, and driving the shuttle claw assembly 40 to lift above the shuttle supporting plate 30 by the lifting cylinder 47; the controller sends an operation control signal to the motor 34 again, the motor 34 continues to rotate by a set angle, the shuttle supporting plate 30 is driven to further move by a unit distance along the transverse direction, and the step S3-2 is repeated until the shuttle detecting sensor 406 of the shuttle claw assembly 40 detects the wired bobbin case 1;
s3-4, the controller sends a lifting control signal to the lifting cylinder 47, and the piston rod of the lifting cylinder 47 acts to lift the shuttle claw assembly 40 above the shuttle supporting plate 30; the controller sends a first rotation control signal to the rotating cylinder 48, and the piston rod of the rotating cylinder 48 acts to drive the shuttle pawl assembly 40 to swing to the first position (i.e. above the shuttle 2); the controller sends a descending control signal to the lifting cylinder 47 again, and the piston rod of the lifting cylinder 47 acts to descend the shuttle pawl assembly 40 into the shuttle 2, so that the shuttle shell 1 is placed in the shuttle 2; the controller sends a shuttle releasing control signal to the shuttle claw assembly 40, and the piston rod of the shuttle grabbing assembly acts to release the bobbin case 1;
and S3-5, sending a lifting control signal to the lifting cylinder 47 again by the controller, and moving the shuttle claw assembly 40 to the upper part of the shuttle 2 by the action of the piston rod of the lifting cylinder 47 to finish the shuttle releasing process.
In the step S3-3, when the bobbin case 1 on one row of bobbin case positions is used up, the controller sends a movement control signal to the moving cylinder 35, and the piston rod of the moving cylinder 35 operates to drive the shuttle supporting plate 30 to move longitudinally, so that the bobbin case position on the other row is opposite to the gripper assembly 40.
The shuttle changing method further comprises an original point detection step, after the shuttle changing mechanism is restarted, the controller sends an operation control signal to the motor 34, the motor 34 operates to drive the shuttle supporting plate 30 to move transversely in response to the operation control signal, the original point detection sensor 37 is triggered after detecting the shuttle supporting plate 30 and sends an original point detection signal to the controller, the controller receives the original point detection signal and sends a stop control signal to the motor 34, and in response to the stop control signal, the motor 34 stops operating and the shuttle changing plate stops sliding.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are preferred embodiments, which are intended to enable persons skilled in the art to understand the contents of the present invention and to implement the present invention, and thus, the protection scope of the present invention cannot be limited thereby. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A kind of shuttle catching device of the Sewing machines, characterized by that: the shuttle hook assembly comprises a lifting and swinging shuttle hook assembly, a lifting driving mechanism used for driving the lifting of the shuttle hook assembly and a rotating driving mechanism used for driving the rotation of the shuttle hook assembly, wherein the shuttle hook assembly is provided with a first position positioned above a shuttle hook and a second position positioned above a shuttle storage device.
2. The shuttle grasping device according to claim 1, wherein: the shuttle grabbing device further comprises a mounting seat, a lifting plate, a crank which is rotatably arranged on the mounting seat, a guide shaft which can slide up and down relative to the crank, and a shuttle claw arm supporting plate which is provided with the shuttle claw assembly, wherein the guide shaft is connected to the crank through an outer sliding sleeve so as to be driven by the crank to rotate, the shuttle claw arm supporting plate is connected to the guide shaft so as to be driven by the guide shaft to rotate, the end part of the guide shaft is rotatably connected to the lifting plate through a connecting shaft, the lifting plate is connected with the lifting driving mechanism so as to drive the guide shaft and the shuttle claw arm supporting plate to lift, and the rotating driving mechanism is connected with the crank so as to drive the crank and the guide shaft to rotate.
3. The shuttle grasping device according to claim 2, wherein: the guide shaft can be penetrated in the outer sliding sleeve in a vertical sliding mode.
4. The shuttle grasping device according to claim 2, wherein: the lifting driving mechanism comprises a lifting cylinder arranged on the mounting seat, and a piston rod of the lifting cylinder is fixedly connected to the lifting plate through a fixing screw rod; the rotation driving mechanism comprises a rotation cylinder arranged on the mounting seat, and a piston rod of the rotation cylinder is connected with the crank.
5. The shuttle grasping device according to claim 4, wherein: the mounting seat is fixedly connected with a U-shaped limiting piece, the U-shaped limiting piece is provided with two end portions, a piston rod of the rotating cylinder is connected with the crank through a joint, and the joint is located between the two end portions.
6. The shuttle grasping device according to claim 2, wherein: and a plane bearing which is convenient for the shuttle claw arm supporting plate to rotate relative to the lifting plate is sleeved on the connecting shaft.
7. The shuttle grasping device according to claim 1, wherein: the shuttle claw assembly comprises a liftable and swingable shuttle claw arm, a fixing plate fixedly arranged on the shuttle claw arm, a shuttle grabbing rod rotatably arranged on the shuttle claw arm and a shuttle grabbing driving mechanism used for driving the shuttle grabbing rod to rotate, the shuttle grabbing rod is provided with a first position and a second position, and when the shuttle grabbing rod is converted from the first position to the second position, the shuttle grabbing rod pulls up and clamps a rotating piece of a shuttle shell on the fixing plate.
8. The shuttle grasping device according to claim 7, wherein: the shuttle claw assembly further comprises shuttle grabbing plates fixedly arranged on the shuttle claw arms, the fixing plate is fixedly arranged between the two shuttle grabbing plates, the shuttle grabbing rod is rotatably arranged between the two shuttle grabbing plates, and the upper end of the shuttle grabbing rod is rotatably connected to the shuttle grabbing plates through a rotating shaft.
9. The shuttle grasping device according to claim 7, wherein: the shuttle grabbing driving mechanism comprises a shuttle grabbing cylinder arranged on the shuttle claw arm, and a piston rod of the shuttle grabbing cylinder is provided with an end part used for being matched and connected with the shuttle grabbing rod.
10. The shuttle grasping device according to claim 7, wherein: the shuttle claw member further includes a shuttle detecting sensor for detecting whether a bobbin case is present in a gap between the fixing plate and the gripper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750565.6U CN210975109U (en) | 2018-12-29 | 2018-12-29 | Shuttle grabbing device of sewing equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266745.9U CN209703016U (en) | 2018-12-29 | 2018-12-29 | A kind of shuttle changing mechanism of sewing device |
| CN201921750565.6U CN210975109U (en) | 2018-12-29 | 2018-12-29 | Shuttle grabbing device of sewing equipment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822266745.9U Division CN209703016U (en) | 2018-12-29 | 2018-12-29 | A kind of shuttle changing mechanism of sewing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210975109U true CN210975109U (en) | 2020-07-10 |
Family
ID=68638045
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921750565.6U Expired - Fee Related CN210975109U (en) | 2018-12-29 | 2018-12-29 | Shuttle grabbing device of sewing equipment |
| CN201822266745.9U Active CN209703016U (en) | 2018-12-29 | 2018-12-29 | A kind of shuttle changing mechanism of sewing device |
| CN201921750198.XU Expired - Fee Related CN210946008U (en) | 2018-12-29 | 2018-12-29 | Shuttle storage device of sewing equipment |
| CN201921750259.2U Expired - Fee Related CN210737075U (en) | 2018-12-29 | 2018-12-29 | Automatic shuttle changing mechanism of sewing equipment |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822266745.9U Active CN209703016U (en) | 2018-12-29 | 2018-12-29 | A kind of shuttle changing mechanism of sewing device |
| CN201921750198.XU Expired - Fee Related CN210946008U (en) | 2018-12-29 | 2018-12-29 | Shuttle storage device of sewing equipment |
| CN201921750259.2U Expired - Fee Related CN210737075U (en) | 2018-12-29 | 2018-12-29 | Automatic shuttle changing mechanism of sewing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN210975109U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518371A (en) * | 2018-12-29 | 2019-03-26 | 苏州翰德利机电科技有限公司 | A kind of shuttle changing mechanism of sewing device |
-
2018
- 2018-12-29 CN CN201921750565.6U patent/CN210975109U/en not_active Expired - Fee Related
- 2018-12-29 CN CN201822266745.9U patent/CN209703016U/en active Active
- 2018-12-29 CN CN201921750198.XU patent/CN210946008U/en not_active Expired - Fee Related
- 2018-12-29 CN CN201921750259.2U patent/CN210737075U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN210737075U (en) | 2020-06-12 |
| CN209703016U (en) | 2019-11-29 |
| CN210946008U (en) | 2020-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210975109U (en) | Shuttle grabbing device of sewing equipment | |
| CN108221203B (en) | Automatic bobbin changing device and method and sewing machine | |
| US10508018B2 (en) | Cover attaching device and method for attaching a cover to a seat cover | |
| CN106956799B (en) | Automatic rope threading mechanism for hang tag | |
| US5715751A (en) | Printing plate support device and printing plate removably mounting apparatus as well as methods of operating the same | |
| WO2013131415A1 (en) | Sarong transportation apparatus | |
| CN114851235B (en) | Male connector, female connector, pick-up device, quick-change mechanism, end effector, manipulator and robot | |
| CN201140968Y (en) | Vertical steel coil swinging device | |
| CN109518371A (en) | A kind of shuttle changing mechanism of sewing device | |
| CN210256174U (en) | Automatic grabbing device of electrolyte barrel and manipulator for grabbing electrolyte barrel | |
| JP2756558B2 (en) | Towel cloth cutting equipment | |
| CN109594233A (en) | A kind of automatic shuttle-changing machine and method of sewing device | |
| CN211760108U (en) | Bar clamping device | |
| CN2868943Y (en) | Magnetic-card supponting device for smart card | |
| CN109554847A (en) | A kind of sewing device grabs shuttle device | |
| CN211921870U (en) | Bobbin case gripping device of sewing machine | |
| CN217675736U (en) | Cloth transfer device and robot equipment | |
| CN212247448U (en) | Bobbin clamping and taking mechanism of industrial sewing machine | |
| CN216360550U (en) | Shuttle taking device for sewing machine | |
| US6014938A (en) | Over edging apparatus for single cloth piece products | |
| CN211972664U (en) | Mark automatic clamping and grabbing device | |
| KR100687890B1 (en) | Operating method of an embroidering machine | |
| CN211593223U (en) | Fixing device for lantern ring gun | |
| CN218842177U (en) | Semi-automatic nucleic acid detection equipment | |
| CN217231132U (en) | Device for taking bobbin excess thread |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20211229 |