Looping mechanism of rubber string machine

Abstract

The invention discloses a looping mechanism of a rubber string machine, and the looping mechanism comprises a base frame which comprises a front end and a rear end, the front end is provided with a feeding end and a waste recovery end, and the rear end is provided with a looping end; the belt passing device is mounted at the front end and provided with a belt passing channel and a waste channel which are spaced up and down; a feeding driving device, a material cutting device, a leveling auxiliary device, a material separating device and a positioning device are mounted at the rear end of the base frame, an ultrasonic welding device is arranged below the belt passing device, and at least one waste material driving device is mounted on the base frame. Through cooperation of the leveling auxiliary device, the material separating device and the positioning device, in the elastic ring forming process, the position of the elastic ring can be fixed so that the end of the elastic ring can be accurately cut off and welded, waste formed every time flows back to the waste recycling end through the waste driving device, the overall action is simple, the occupied space is small, and the equipment power consumption is low; and efficient production of the elastic rings can be completed in cooperation with a translation feeding mechanism.

Description

Technical Field

[0001] This invention relates to the field of rubber band machine equipment technology, and in particular to a rubber band forming mechanism for a rubber band machine. Background Technology

[0002] Elastic bands, also known as resistance bands or elastic bands, can be used as the base material for clothing accessories, especially suitable for the production of underwear, pants, baby clothes, sweaters, sportswear, dresses, wedding dresses, T-shirts, hats, bras, masks and other clothing products.

[0003] The automated production of elastic bands generally uses bundles or rolls of elastic bands as raw materials. A fixed-length cutting device is used to cut the elastic bands into segments, and then a coiling device is used to coil the elastic band segments. The coiled elastic band segments are then conveyed to a sewing device, which sews and seals the edges of the elastic band segments to finally obtain the elastic bands.

[0004] Existing elastic band machines, after cutting the elastic band during the coiling process, continue to feed it to a coiling device. At this device, a robotic arm and a rotary motor are needed to coil the elastic band. Furthermore, during the sewing process, the robotic arm also needs to maintain the coiled state. This results in a large footprint, complex structure, and high power consumption. Moreover, the long stroke of the coiling action and the long strokes between various mechanisms lead to low efficiency in forming elastic bands, reducing the overall machine efficiency. Therefore, a radical overhaul of the elastic band coiling method is needed. Summary of the Invention

[0005] To address the aforementioned problems, this invention proposes a coiling mechanism for an elastic band machine.

[0006] The technical solution adopted in this invention is: a coiling mechanism for an elastic band machine, installed between the pressing and conveying mechanism and the translating feeding mechanism of the elastic band machine. The pressing and conveying mechanism is used to output pressed and flattened elastic bands. The translating feeding mechanism has two clamping devices arranged at intervals. The coiling mechanism includes:

[0007] A base frame is installed on the frame of the rubber band machine and includes a front end and a rear end. The front end is provided with a feeding end and a waste recycling end, and the rear end is provided with a ring forming end.

[0008] The belt conveyor is installed at the front end and has belt conveyor channels and waste channels spaced vertically along its length.

[0009] An encoder assembly, disposed above the tape feed channel, is used to detect and record the length of the elastic band passing through the tape feed channel;

[0010] A feeding drive device, installed at the rear end, is used to transport the elastic band from the feeding end to the coiling end;

[0011] An ultrasonic welding device is fixed below the tape-passing device;

[0012] A cutting device is installed at the rear end and positioned in front of the ultrasonic welding device. The cutting device and the ultrasonic welding device work together to simultaneously cut and weld the elastic band conveyed to the coiling end, and form it into an elastic ring. There is waste material at the welding position of the elastic ring.

[0013] At least one waste drive device, mounted on a base frame, is used to transport the waste from the coiled end through the waste channel to the waste recycling end;

[0014] A leveling auxiliary device is installed at the rear end to level the left and right ends of the elastic ring;

[0015] A material separator, installed at the rear end, is used to drive the tongue to insert into the elastic ring in the left-right direction and separate the front and rear ends of the elastic ring;

[0016] A positioning device, installed at the rear end, is used to position and flatten the front end of the elastic ring;

[0017] The two clamping devices are used to clamp the front and rear ends of the tension ring.

[0018] Several alternative methods are provided below, but they are not intended as additional limitations on the overall solution above. They are merely further additions or optimizations. Provided there are no technical or logical contradictions, each alternative method can be combined individually with respect to the overall solution above, or multiple alternative methods can be combined with each other.

[0019] Preferably, the coiling mechanism has a coiling state and a coil dropping state. In the coiling state, the waste material driving device does not work; in the coil dropping state, the waste material driving device works and conveys the waste material formed at the welding position during the coiling process to the side closer to the waste material recycling end.

[0020] Preferably, the front end is a stand, the belt conveyor is installed above the stand, and the rear end includes a first side plate and a second side plate arranged at intervals on the left and right. The first side plate and the second side plate are both fixed in front of the belt conveyor, and a motor mounting plate is provided on the first side plate.

[0021] Preferably, there are two waste driving devices, namely a first waste driving device and a second waste driving device, wherein the first waste driving device is installed at the rear end and the second waste driving device is installed at the front end.

[0022] Preferably, the feeding drive device includes:

[0023] The first motor is fixed to the motor mounting plate;

[0024] The first feeding roller is connected between the first side plate and the second side plate;

[0025] The first synchronous belt pulley assembly is installed between the motor shaft of the first motor and the end of the first feeding roller;

[0026] A first adjustment component is installed at the rear end for adjusting the position of the second feed roller, and the elastic band is threaded between the first feed roller and the second feed roller.

[0027] Preferably, the first waste driving device includes:

[0028] The second motor is fixed to the motor mounting plate;

[0029] The third feeding roller is connected between the first side plate and the second side plate;

[0030] The second synchronous belt pulley assembly is installed between the motor shaft of the second motor and the end of the third feed roller;

[0031] The second adjustment component, installed at the rear end, is used to adjust the position of the fourth feed roller, with the waste material passing between the third and fourth feed rollers.

[0032] Preferably, the feeding end is a feeding assembly arranged at the rear end of the belt conveyor, and the feeding assembly includes:

[0033] Mounting bracket; fixed to the belt feed device;

[0034] At least one feed roller is used to feed the elastic band output from the heat pressing conveyor to the belt conveyor channel;

[0035] The waste recycling end is located at the rear end of the conveyor belt device, and the second waste driving device is arranged at the waste recycling end, including a first support plate and a second support plate arranged at left and right intervals. The first support plate and the second support plate are both fixed below the conveyor belt device. The second waste driving device also includes:

[0036] The third motor is fixed on the first support plate;

[0037] The fifth feeding roller is connected between the first support plate and the second support plate;

[0038] The third synchronous belt pulley assembly is installed between the motor shaft of the third motor and the end of the fifth feed roller;

[0039] The third adjustment component, installed at the front end, is used to adjust the position of the sixth feed roller, with the waste material passing between the fifth and sixth feed rollers.

[0040] Preferably, the cutting device includes:

[0041] The third mounting plate is fixed to the front end of the first side plate and the second side plate;

[0042] At least one sixth cylinder is fixed to the third mounting plate;

[0043] A connecting block is attached to the piston rod of the sixth cylinder;

[0044] The cutter is fixed to the connecting block;

[0045] The material separation device includes:

[0046] The fourth cylinder is fixed below the first side plate and the second side plate;

[0047] The intermediate plate is connected to the piston rod of the fourth cylinder;

[0048] The tongue is fixed to the middle plate;

[0049] The positioning device includes:

[0050] The second mounting plate is fixed to the second side plate;

[0051] The fifth cylinder is fixed on the second mounting plate;

[0052] A pusher is mounted on the piston rod of the fifth cylinder, and the pusher is located in front of the tension ring.

[0053] Preferably, the leveling auxiliary device includes:

[0054] The first mounting plate is fixed to the front end;

[0055] A cylinder fixing plate is fixed on the first mounting plate, and the cylinder fixing plate is provided with a sliding groove extending in the left and right direction;

[0056] The second cylinder is slidably connected to the slide groove via a sliding block;

[0057] The screw bracket is fixed to the lower end of the sliding block;

[0058] At least one bearing housing is fixed to the lower end of the cylinder mounting plate, and a screw is threaded through the bearing housing, with an adjusting handle at one end of the screw;

[0059] The rod frame body is fixed on the piston rod of the second cylinder. The rod frame body is U-shaped and has a first leveling block and a stop block at each end. The stop block is located above the first leveling block.

[0060] The third cylinder is fixed to the cylinder mounting plate;

[0061] The second leveling block is disposed on the piston rod of the third cylinder, and the second leveling block and the first leveling block are arranged opposite each other on the left and right.

[0062] More preferably, a visual alignment device is installed above the conveyor belt, the visual alignment device comprising:

[0063] A linear drive module is fixed above the tape feed device along its own longitudinal direction.

[0064] The slider is slidably connected to the linear drive module;

[0065] The upright is fixed above the slider;

[0066] The upper horizontal bar is fixed to the vertical pole;

[0067] The beam is fixed to the upper crossbar;

[0068] An industrial camera is fixed to the beam.

[0069] The lower horizontal bar is fixed to the vertical bar;

[0070] At least one light source is fixed on the lower crossbar, and both the industrial camera and the light source are located directly above the conveyor belt channel.

[0071] Compared with the prior art, the present invention has the following beneficial effects:

[0072] 1. The elastic band is made by forming the band first and then sewing it. Before the equipment is running, the free end of the elastic band needs to be passed through the feeding drive device, the first waste drive device and the second waste drive device in sequence. When the equipment is running, the elastic band is conveyed to the forming end through the conveyor channel of the conveyor device. Since the two waste drive devices are not working at this time, the elastic band will initially form an elastic band after continuous conveying. Then, the elastic band conveyed to the forming end is simultaneously cut and welded by the ultrasonic welding device and the cutting device, and formed into a stable elastic band.

[0073] 2. Through the cooperation of the leveling auxiliary device, the material separating device and the positioning device, the position of the elastic band can be stably fixed during the forming process of the elastic band, and the end of the elastic band can be accurately cut and welded. After the elastic band is formed, the two clamping devices of the translation feeding mechanism can accurately clamp the front and rear ends of the elastic band, so that the elastic band can be transported to the sewing machine head for sewing through the translation feeding mechanism.

[0074] 3. The waste generated during each cutting and welding process of the elastic ring is returned to the waste recycling end by the waste driving device, so that the welding position of each elastic ring is very smooth and the forming effect is good.

[0075] 4. The overall operation is simple, it occupies little space, has low power consumption, and has extremely high efficiency in forming coils. Combined with the subsequent translational feeding mechanism, it can complete the efficient production of elastic coils. Attached Figure Description

[0076] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0077] Figure 1 This is a front-view overall structural diagram of one embodiment of this application;

[0078] Figure 2 This is a rear-view overall structural diagram of one embodiment of this application;

[0079] Figure 3 This is a right-side view of the overall structure of the device and part of the housing hidden in one embodiment of this application.

[0080] Figure 4 This is a left-side view of the overall structure of the device and part of the housing hidden in one embodiment of this application.

[0081] Figure 5 This is a structural diagram of the right-side view portion in one embodiment of this application;

[0082] Figure 6 This is a structural diagram of the lower view portion in one embodiment of this application;

[0083] Figure 7 This is a schematic plan view of the entire conveying path of the elastic band in one embodiment of this application;

[0084] Figure 8 This is a bottom-view overall structural diagram of one embodiment of this application;

[0085] Figure 9 This is an assembly diagram of the ring-forming mechanism and the translational feeding mechanism in one embodiment of this application;

[0086] Figure 10 for Figure 9 Enlarged view of part A in the image;

[0087] Figure 11 This is a structural diagram of the left-side view portion in one embodiment of this application;

[0088] Figure 12 for Figure 11 Enlarged view of part B in the image;

[0089] Figure 13 This is a first-view overall structural diagram of the leveling auxiliary device in one embodiment of this application;

[0090] Figure 14 This is a second-view overall structural diagram of the leveling auxiliary device in one embodiment of this application;

[0091] Figure 15 This is an overall structural diagram of the material separating device in one embodiment of this application;

[0092] Figure 16 This is an overall structural diagram of the positioning device in one embodiment of this application;

[0093] Figure 17 This is an overall structural diagram of the cutting device in one embodiment of this application;

[0094] Figure 18 This is a schematic diagram of the assembly structure of the feeding drive device and the first waste drive device in one embodiment of this application;

[0095] Figure 19 This is a first-view overall structural diagram of the second waste driving device in one embodiment of this application;

[0096] Figure 20 This is a second-view overall structural diagram of the second waste driving device in one embodiment of this application;

[0097] Figure 21 This is an overall structural diagram of the visual alignment device in one embodiment of this application;

[0098] Figure 22 This is a schematic diagram of the operation of the material separator, positioning device, and leveling auxiliary device in the process of forming the elastic ring according to an embodiment of this application;

[0099] Figure 23 This is a front-view overall structural diagram of the rubber band machine involved in one embodiment of this application;

[0100] Figure 24This is a rear-view structural diagram of the rubber band machine involved in one embodiment of this application.

[0101] The attached diagram is labeled as follows: 1-Base frame, 101-Upright frame, 102-First side plate, 103-Second side plate, 1031-Through hole, 104-Motor mounting plate, 105-First cover, 106-Second cover, 107-Third cover, 2-Belt feed device, 201-Belt feed channel, 202-Waste material channel, 203-Discharge port, 3-Feeding assembly, 301-Mounting frame, 302-Feeding roller, 4-Encoder assembly, 5-Discharge roller, 6-Feeding drive device, 601-First motor, 602-First synchronous belt pulley assembly, 603-First feeding roller, 604-First cylinder, 605-First connecting plate, 606-First rotating plate, 607-First tension spring, 608-The first... 609-First shaft connector, 610-Second feeding roller, 7-Leveling auxiliary device, 701-First mounting plate, 702-Cylinder fixing plate, 7021-Slide groove, 703-Bearing seat, 704-Screw bracket, 705-Second cylinder, 706-Rod frame body, 7061-First leveling block, 7062-Blocking block, 707-Third cylinder, 708-Second leveling block, 8-Material separator, 801-Fourth cylinder, 802-Intermediate plate, 803-Tongue, 9-Positioning device, 901-Second mounting plate, 902-Fifth cylinder, 903-Push frame, 10-Ultrasonic welding device, 1001-Ultrasonic transducer, 1002-Die head, 11-Cutting device 1101-Third mounting plate, 1102-Sixth cylinder, 1103-Connecting block, 1104-Cutter, 12-Guide frame, 13-First waste material drive device, 1301-Second motor, 1302-Second synchronous belt pulley assembly, 1303-Third feeding roller, 1304-Seventh cylinder, 1305-Second connecting plate, 1306-Second rotating plate, 1307-Second tension spring, 1308-Second shaft, 1309-Second shaft connector, 1310-Fourth feeding roller, 14-Second waste material drive device, 1401-First support plate, 1402-Second support plate, 1403-Third motor, 1404-Third synchronous belt pulley assembly, 1405-Fifth feeding roller, 1 406-Eighth Cylinder, 1407-Third Connecting Plate, 1408-Third Rotating Plate, 1409-Third Tension Spring, 1410-Third Shaft, 1411-Third Shaft Connector, 1412-Sixth Feeding Roller, 15-Vision Alignment Device, 1501-Linear Drive Module, 1502-Slider, 1503-Upright Pole, 1504-Upper Crossbar, 1505-Beam Pole, 1506-Industrial Camera, 1507-Lower Crossbar, 1508-Light Source, 16-Rubber Band Machine Frame, 1601-Work Panel, 17-Feeding Rack, 18-Hot Pressing Conveying Mechanism, 19-Transfer Feeding Mechanism, 1901-Clamping Device, 20-Sewing Machine Head, 21-Receiving Mechanism, 22-Central Control Mechanism.

[0102] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0103] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0104] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0105] Furthermore, the use of terms such as "first" and "second" in this invention is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this invention.

[0106] Detailed implementation plan: See below Figures 1-24 This invention relates to a coiling mechanism for an elastic band machine, installed between a pressing and conveying mechanism 18 and a translating and feeding mechanism 19 of the elastic band machine. The pressing and conveying mechanism 18 is used to output pressed and flattened elastic bands. The translating and feeding mechanism 19 has two clamping devices 1901 arranged at intervals. The coiling mechanism includes:

[0107] The base frame 1 is installed on the frame 16 of the rubber band machine and includes a front end and a rear end. The front end is provided with a feeding end and a waste recycling end, and the rear end is provided with a ring forming end.

[0108] The belt conveyor 2 is installed at the front end and has belt conveyor channels 201 and waste channels 202 arranged vertically and vertically along its own length.

[0109] The encoder assembly 4 is positioned above the tape feed channel 201 and is used to detect and record the length of the elastic band passing through the tape feed channel 201.

[0110] The feeding drive device 6 is installed at the rear end and is used to transport the elastic band from the feeding end to the coiling end.

[0111] The ultrasonic welding device 10 is fixed below the belt conveyor 2;

[0112] The cutting device 11 is installed at the rear end and positioned in front of the ultrasonic welding device 10. The cutting device 11 and the ultrasonic welding device 10 work together to simultaneously cut and weld the elastic band conveyed to the coiling end, and form it into an elastic ring. There is waste material on the welding position of the elastic ring.

[0113] At least one waste driving device is installed on the base frame 1 for conveying waste from the coiled end to the waste recycling end through the waste channel 202; a leveling auxiliary device 7 is installed at the rear end for leveling the left and right ends of the elastic ring.

[0114] The material separating device 8, installed at the rear end, is used to drive the tongue 803 to insert into the elastic ring in the left and right direction and separate the front and rear ends of the elastic ring; the positioning device 9, installed at the rear end, is used to position and flatten the front end of the elastic ring.

[0115] Two clamping devices 1901 are used to clamp the front and rear ends of the tension ring.

[0116] In a preferred embodiment of this invention, the coiling mechanism has a coiling state and a coil dropping state. In the coiling state, the waste material driving device does not work; in the coil dropping state, the waste material driving device works and conveys the waste material formed at the welding position during the coiling process to the side closer to the waste material recycling end.

[0117] Here, in the coiled state, the waste material drive device is not working, which means that the waste material drive device will fix the position of one end of the elastic band. When the feeding drive device 6 works, it will continuously convey the elastic band to the coiled end. At this time, the elastic band at the coiled end will move downward and initially form an elastic band. (See reference...) Figure 7 In the coil-forming state, it indicates that the ultrasonic welding device 10 and the cutting device 11 have worked together to complete the cutting and welding of the end of the elastic ring. At this time, the clamping device 1901 of the translational feeding mechanism 19 removes the elastic ring. The specific working principle will be explained below. Then, the waste drive device works to transport the waste formed at the welding position during the coil-forming process to the side closer to the waste recycling end. Note that during a single coil-forming process, the waste drive device only transports the waste formed in that single process to the side closer to the waste recycling end, which is equivalent to working for only a short time. The waste located in the waste channel 202 also only moves the distance of the waste formed in that single process, the purpose of which is to prevent the waste from affecting the next coil-forming process.

[0118] Please see Figures 1-3As can be seen in this embodiment, the front end is a stand 101, which is fixed to the working panel 1601 of the rubber band machine frame 16. The belt feeding device 2 is installed above the stand 101. The rear end includes a first side plate 102 and a second side plate 103 arranged at intervals on the left and right. Both the first side plate 102 and the second side plate 103 are fixed in front of the belt feeding device 2. The first side plate 102 is provided with a motor mounting plate 104. In this embodiment, there are two waste material driving devices, namely a first waste material driving device 13 and a second waste material driving device 14. The first waste material driving device 13 is installed at the rear end, and the second waste material driving device 14 is installed at the front end.

[0119] Please see Figure 7 As can be seen, a guide frame 12 is provided between the welding position of the elastic band and the first waste drive device 13. The guide frame 12 is provided with a guide port. The guide frame 12 is provided to help guide the elastic band more smoothly onto the first waste drive device 13.

[0120] Here, two waste drive devices are provided: a first waste drive device 13 and a second waste drive device 14. (See also...) Figure 7 Before operation, the elastic band needs to be passed through the feeding drive device 6, the first waste drive device 13, and the second waste drive device 14 in sequence. Please refer to the principle above. The two waste drive devices can stably transport the waste formed by the single loop to the waste recycling end.

[0121] Please see Figure 18 As can be seen, the feeding drive device 6 includes:

[0122] The first motor 601 is fixed on the motor mounting plate 104;

[0123] The first feeding roller 603 is connected between the first side plate 102 and the second side plate 103;

[0124] The first synchronous belt pulley assembly 602 is installed between the motor shaft of the first motor 601 and the end of the first feeding roller 603;

[0125] The first adjustment component, installed at the rear end, is used to adjust the position of the second feed roller 610, and the elastic band is threaded between the first feed roller 603 and the second feed roller 610.

[0126] The working principle of the feeding drive device 6: The first motor 601 drives the first feeding roller 603 to rotate through the first synchronous belt pulley assembly 602. The first synchronous belt pulley is in the form of a driving pulley, a driven pulley and a synchronous belt, which is the prior art and will not be elaborated here. When the elastic band is placed between the first feeding roller 603 and the second feeding roller 610, the rotation of the first feeding roller 603 will drive the elastic band to be conveyed forward.

[0127] In this embodiment, the first adjustment assembly includes a first cylinder 604, a first rotating plate 606, a first shaft 608, a first shaft connector 609, a first connecting plate 605, and a first tension spring 607. There are two first shaft connectors 609, each fixed to a shaft at one end of the second feeding roller 610. The first shaft 608 is fixed between the two first shaft connectors 609. The first rotating plate 606 is fixed to one end of the first shaft 608. The first cylinder 604 is fixed to the second side plate 103. The piston rod of the first cylinder 604 is used to push the upper part of the first rotating plate 606. The first connecting plate 605 is located at the end of the first cylinder 604 away from the piston rod. The first tension spring 607 is located between the first connecting plate 605 and the first rotating plate 606.

[0128] The working principle of the first adjustment component: The first adjustment component is mainly used to control the distance between the first feeding roller 603 and the second feeding roller 610, so that the elastic band can be manually passed through the gap between the first feeding roller 603 and the second feeding roller 610 before formal operation. When it is necessary to adjust the distance between the first feeding roller 603 and the second feeding roller 610, the first cylinder 604 works and pushes the first rotating plate 606 to rotate. Since the first shaft 608 is fixed on the first rotating plate 606, and the two first shaft connectors 609 are fixed on the first shaft 608, and the shafts at both ends of the second feeding roller 610 are fixed on the first shaft connectors 609, when the first rotating plate 606 rotates, it will drive the first shaft 608, the first shaft connectors 609 and the second feeding roller 610 to rotate as a whole, and the first tension spring 607 is compressed. At this time, the distance between the first feeding roller 603 and the second feeding roller 610 increases, and the elastic band can then be passed through the gap between the first feeding roller 603 and the second feeding roller 610. When it is necessary to restore the distance between the first feed roller 603 and the second feed roller 610 to its initial state, the second cylinder 705 stops working, the first tension spring 607 returns to its original deformation, and drives the first rotating plate 606 back to its original position. Similarly, at this time, the distance between the first feed roller 603 and the second feed roller 610 decreases, and the elastic band is clamped. Then, the first waste drive device 13 includes:

[0129] The second motor 1301 is fixed on the motor mounting plate 104;

[0130] The third feeding roller 1303 is connected between the first side plate 102 and the second side plate 103;

[0131] The second synchronous belt pulley assembly 1302 is installed between the motor shaft of the second motor 1301 and the end of the third feeding roller 1303;

[0132] The second adjustment component, installed at the rear end, is used to adjust the position of the fourth feed roller 1310, with the waste material passing between the third feed roller 1303 and the fourth feed roller 1310.

[0133] The working principle of the first waste drive device 13: The second motor 1301 drives the third feeding roller 1303 to rotate through the second synchronous belt pulley assembly 1302. The second synchronous belt pulley is in the form of a driving pulley, a driven pulley and a synchronous belt, which is existing technology and will not be elaborated on here. When the elastic band is placed between the third feeding roller 1303 and the fourth feeding roller 1310, the rotation of the third feeding roller 1303 will drive the elastic band (waste) to be conveyed forward.

[0134] In this embodiment, the second adjustment assembly includes a seventh cylinder 1304, a second rotating plate 1306, a second shaft 1308, a second shaft connector 1309, a second connecting plate 1305, and a second tension spring 1307. There are two second shaft connectors 1309, each fixed to a shaft at one end of the fourth feeding roller 1310. The second shaft 1308 is fixed between the two second shaft connectors 1309. The second rotating plate 1306 is fixed to one end of the second shaft 1308. The seventh cylinder 1304 is fixed to the second side plate 103. The piston rod of the seventh cylinder 1304 is used to push the upper part of the second rotating plate 1306. The second connecting plate 1305 is located at the end of the seventh cylinder 1304 away from the piston rod. The second tension spring 1307 is located between the second connecting plate 1305 and the second rotating plate 1306.

[0135] The working principle of the second adjustment component: The second adjustment component is mainly used to control the distance between the third feed roller 1303 and the fourth feed roller 1310, so that the elastic band can be manually passed through the gap between the third feed roller 1303 and the fourth feed roller 1310 before the formal operation. When it is necessary to adjust the distance between the third feed roller 1303 and the fourth feed roller 1310, the seventh cylinder 1304 works and pushes the second rotating plate 1306 to rotate. Since the second shaft 1308 is fixed on the second rotating plate 1306, and both second shaft connectors 1309 are fixed on the second shaft 1308, and the shafts at both ends of the fourth feed roller 1310 are fixed on the second shaft connectors 1309, when the second rotating plate 1306 rotates, it will drive the second shaft 1308, the second shaft connectors 1309 and the fourth feed roller 1310 to rotate as a whole, and the second tension spring 1307 is compressed. At this time, the distance between the third feed roller 1303 and the fourth feed roller 1310 becomes larger, and the elastic band can be passed through the gap between the third feed roller 1303 and the fourth feed roller 1310. When it is necessary to restore the distance between the third feed roller 1303 and the fourth feed roller 1310 to the initial state, the seventh cylinder 1304 stops working, the second tension spring 1307 resumes its deformation, and drives the second rotating plate 1306 back to its original position. Similarly, at this time, the distance between the third feed roller 1303 and the fourth feed roller 1310 is reduced, and the elastic band (waste material) is clamped.

[0136] Please see Figure 2In this embodiment, the feeding end is the feeding assembly 3 arranged at the rear end of the belt conveyor 2, and the feeding assembly 3 includes:

[0137] Mounting bracket 301; fixed on belt feed device 2;

[0138] At least one feed roller 302 is used to feed the elastic band output from the self-pressing conveyor 18 to the belt conveyor 201;

[0139] The waste recycling end is located at the rear end of the belt conveyor 2. The second waste driving device 14 is arranged at the waste recycling end and includes a first support plate 1401 and a second support plate 1402 arranged at left and right intervals. The first support plate 1401 and the second support plate 1402 are both fixed below the belt conveyor 2. The second waste driving device 14 also includes:

[0140] The third motor 1403 is fixed on the first support plate 1401;

[0141] The fifth feeding roller 1405 is connected between the first support plate 1401 and the second support plate 1402;

[0142] The third synchronous belt pulley assembly 1404 is installed between the motor shaft of the third motor 1403 and the end of the fifth feed roller 1405;

[0143] The third adjustment component, installed at the front end, is used to adjust the position of the sixth feed roller 1412, with the waste material passing between the fifth feed roller 1405 and the sixth feed roller 1412.

[0144] The working principle of the second waste drive device 14: The third motor 1403 drives the fifth feeding roller 1405 to rotate through the third synchronous belt pulley assembly 1404. The third synchronous belt pulley is in the form of a driving pulley, a driven pulley and a synchronous belt, which is existing technology and will not be elaborated on here. When the elastic band is placed between the fifth feeding roller 1405 and the sixth feeding roller 1412, the rotation of the fifth feeding roller 1405 will drive the elastic band (waste) to be conveyed forward.

[0145] Note that in this embodiment, the conveyor belt 2 is provided with a discharge port 203 on the side near the waste recycling end. After the waste passes through the discharge port 203, it passes through the gap between the fifth feed roller 1405 and the sixth feed roller 1412.

[0146] In this embodiment, there are two feed rollers 302, which are arranged at an angle. The two feed rollers 302 can guide the elastic band more smoothly onto the belt conveyor 201.

[0147] Then, the second adjustment assembly includes an eighth cylinder 1406, a third rotating plate 1408, a third shaft 1410, a third shaft connector 1411, a third connecting plate 1407, and a third tension spring 1409. There are two third shaft connectors 1411, each fixed to a shaft at one end of the sixth feeding roller 1412. The third shaft 1410 is fixed between the two third shaft connectors 1411. The third rotating plate 1408 is fixed to one end of the third shaft 1410. The eighth cylinder 1406 is fixed to the second support plate 1402. The piston rod of the eighth cylinder 1406 is used to push the upper part of the third rotating plate 1408. The third connecting plate 1407 is located at the end of the eighth cylinder 1406 away from the piston rod. The third tension spring 1409 is located between the third connecting plate 1407 and the third rotating plate 1408.

[0148] The working principle of the third adjustment component: The third adjustment component is mainly used to control the distance between the fifth feed roller 1405 and the sixth feed roller 1412, so that the elastic band can be manually passed through the gap between the fifth feed roller 1405 and the sixth feed roller 1412 before the formal operation. When it is necessary to adjust the distance between the fifth feed roller 1405 and the sixth feed roller 1412, the eighth cylinder 1406 operates and pushes the third rotating plate 1408 to rotate. Since the third shaft 1410 is fixed on the third rotating plate 1408, and both third shaft connectors 1411 are fixed on the third shaft 1410, and the shafts at both ends of the sixth feed roller 1412 are fixed on the third shaft connectors 1411, when the third rotating plate 1408 rotates, it will drive the third shaft 1410, the third shaft connectors 1411 and the sixth feed roller 1412 to rotate as a whole, and the third tension spring 1409 is compressed. At this time, the distance between the fifth feed roller 1405 and the sixth feed roller 1412 becomes larger, and the elastic band can be passed through the gap between the fifth feed roller 1405 and the sixth feed roller 1412. When it is necessary to restore the distance between the fifth feed roller 1405 and the sixth feed roller 1412 to the initial state, the eighth cylinder 1406 stops working, the third tension spring 1409 resumes its deformation, and drives the third rotating plate 1408 back to its original position. Similarly, at this time, the distance between the fifth feed roller 1405 and the sixth feed roller 1412 is reduced, and the elastic band (waste material) is clamped.

[0149] Please see Figure 17 In this embodiment, the cutting device 11 includes:

[0150] The third mounting plate 1101 is fixed to the front end of the first side plate 102 and the second side plate 103;

[0151] At least one sixth cylinder 1102 is fixed on the third mounting plate 1101;

[0152] Connecting block 1103 is connected to the piston rod of the sixth cylinder 1102;

[0153] The cutter 1104 is fixed on the connecting block 1103;

[0154] Please see Figure 15 In this embodiment, the material separating device 8 includes:

[0155] The fourth cylinder 801 is fixed below the first side plate 102 and the second side plate 103;

[0156] Intermediate plate 802 is connected to the piston rod of the fourth cylinder 801;

[0157] The tongue 803 is fixed to the middle plate 802;

[0158] Please see Figure 16 In this embodiment, the positioning device 9 includes:

[0159] The second mounting plate 901 is fixed on the second side plate 103;

[0160] The fifth cylinder 902 is fixed on the second mounting plate 901;

[0161] Pusher 903 is mounted on the piston rod of the fifth cylinder 902, and pusher 903 is located in front of the tension ring.

[0162] Working principle of the cutting device 11: The sixth cylinder 1102 operates, driving the connecting block 1103 and the cutter 1104 to move closer to the ultrasonic welding device 10. In this embodiment, please refer to... Figure 5 and Figure 6 The ultrasonic welding device 10 includes an ultrasonic transducer 1001 and a die head 1002. While the cutter 1104 cuts the elastic band, the ultrasonic transducer 1001 works and welds the two ends of the cut elastic band through the die head 1002.

[0163] The working principle of the material separating device 8: The fourth cylinder 801 works, driving the middle plate 802 and the tongue 803 to move together in the left and right direction, so that the tongue 803 is inserted between the front and rear ends of the elastic band to achieve the material separating effect.

[0164] The working principle of positioning device 9: The fifth cylinder 902 works, driving the pusher 903 to move closer to the side of the tension ring and press the front end of the tension ring to achieve the positioning effect.

[0165] Next, please refer to Figure 13 and Figure 14 In this embodiment, the leveling auxiliary device 7 includes:

[0166] The first mounting plate 701 is fixed to the front end;

[0167] The cylinder fixing plate 702 is fixed on the first mounting plate 701, and the cylinder fixing plate 702 is provided with a sliding groove 7021 extending in the left and right direction.

[0168] The second cylinder 705 is slidably connected to the slide groove 7021 via a sliding block;

[0169] The screw bracket 704 is fixed to the lower end of the sliding block;

[0170] At least one bearing housing 703 is fixed to the lower end of the cylinder fixing plate 702. A screw is threaded through the bearing housing 703, and an adjustment handle is provided at one end of the screw.

[0171] The rod frame body 706 is fixed on the piston rod of the second cylinder 705. The rod frame body 706 is U-shaped and has a first leveling block 7061 and a stop block 7062 at both ends. The stop block 7062 is located above the first leveling block 7061.

[0172] The third cylinder 707 is fixed on the cylinder mounting plate 702;

[0173] The second leveling block 708 is mounted on the piston rod of the third cylinder 707, and the second leveling block 708 and the first leveling block 7061 are arranged opposite each other on the left and right.

[0174] The working principle of the leveling auxiliary device 7: The second cylinder 705 operates, driving the frame body to move horizontally in the left-right direction, thereby causing the first leveling block 7061 and the stop block 7062 on the frame body to move horizontally. The third cylinder 707 operates, driving the second leveling block 708 to move horizontally. The first leveling block 7061 and the second leveling block 708 work together to fix the left and right ends of the elastic band. The stop block 7062 is located directly above the first leveling block 7061, ensuring that the elastic band is conveyed downwards to the forming position in the predetermined direction without any positional deviation.

[0175] Because the cylinder fixing plate 702 has a sliding groove 7021 extending in the left-right direction, the second cylinder 705 is slidably connected to the sliding groove 7021 via a sliding block, and the screw bracket 704 is fixed to the lower end of the sliding block. When the adjusting handle is turned, the screw rotates, driving the screw bracket 704 to move horizontally in the left-right direction. The sliding groove 7021 and the sliding block are designed to assist the screw bracket 704 in moving more stably, thereby adjusting the left-right position of the second cylinder 705. Here, when the width of the elastic band changes, it is necessary to adjust the left-right position of the second cylinder 705 to ensure that the first leveling block 7061 and the second leveling block 708 can abut against the left and right sides of the elastic band during the coiling process.

[0176] Please see Figure 11 and Figure 12As can be seen, in this embodiment, the second side plate 103 is provided with a through hole 1031 through which the upper end of the rod frame body 706 passes.

[0177] In addition, to ensure that the elastic band can better convey the belt to the coiling position and complete the immediate cooling of the welding position, in practical applications, it is advisable to add an air pump and air blowing pipe on one side of the coiling position. The air pump works and blows air into the elastic band through the air blowing pipe.

[0178] More specifically, a visual alignment device 15 is installed above the conveyor belt device 2, and the visual alignment device 15 includes:

[0179] The linear drive module 1501 is fixed above the belt feeder 2 along its own length.

[0180] Slider 1502 is slidably connected to linear drive module 1501;

[0181] The upright 1503 is fixed above the slider 1502;

[0182] The upper horizontal bar 1504 is fixed to the vertical bar 1503;

[0183] Beam 1505 is fixed to the upper crossbar 1504;

[0184] Industrial camera 1506 is fixed on beam 1505;

[0185] The lower horizontal bar 1507 is fixed to the vertical bar 1503;

[0186] At least one light source 1508 is fixed on the lower crossbar 1507, and both the industrial camera 1506 and the light source 1508 are located directly above the overpass channel 201.

[0187] Working principle of visual alignment device 15: Please refer to Figure 21 As can be seen in this embodiment, there are two light sources 1508, distributed on the left and right sides of the industrial camera 1506. During the conveying of the elastic band along the conveyor belt channel 201, the industrial camera 1506 takes pictures of the logo on the upper surface of the elastic band. The light sources 1508 are used to illuminate the shooting area of ​​the industrial camera 1506. Here, the industrial camera 1506 is connected to a vision control device, which displays the data on the screen. Based on the total length of the finished elastic band and the position of the logo, the position data of the display box on the display screen of the vision control device is adjusted. Whenever the logo enters the display box, the cutter 1104 of the cutting device 11 cuts the elastic band once. Finally, the sewing position of the finished elastic band is at the rear end, and the logo is at the middle position of the front end.

[0188] Please see Figure 1In this embodiment, the outer covers of the first motor 601 and the second motor 1301 are provided with a first cover 105, the outer covers of the first adjustment component and the second adjustment component are provided with a second cover 106, and the outer cover of the ultrasonic transducer 1001 is provided with a third cover 107.

[0189] For ease of understanding, the following explains the working principle of the leveling auxiliary device 7, the material separating device 8, the positioning device 9, the ultrasonic welding device 10, the cutting device 11, and the translational feeding mechanism 19 during the coil forming process of the elastic ring:

[0190] Please see Figure 22 After the elastic band is initially formed, the third cylinder 707 of the leveling auxiliary device 7 drives the second leveling block 708 to abut against the right side of the elastic band; then, the fourth cylinder 801 of the material separating device 8 drives the tongue 803 to insert into the front and rear ends of the elastic band, while at the same time, the fifth cylinder 902 of the positioning device 9 drives the pusher 903 to abut against the front side of the elastic band (the pusher 903 is located below the second leveling block 708); next, the second cylinder 705 of the leveling auxiliary device 7 drives the first leveling block 7061 to abut against the left side of the elastic band (the stop block 7062 abuts against the left side of the upper elastic band at this time); after that, the fourth cylinder 801 of the material separating device 8 drives the tongue 803 to reset, and the two feed mechanisms 19 are moved horizontally. The clamping device 1901 clamps the front and rear ends of the elastic ring respectively; then, the fifth cylinder 902 of the positioning device 9 drives the pusher 903 to reset; next, the cutting device 11 and the ultrasonic welding device 10 work together to cut and weld the upper end of the elastic ring, forming a stable elastic ring; then, the second cylinder 705 of the leveling auxiliary device 7 drives the first leveling block 7061 to reset, and the third cylinder 707 drives the second leveling block 708 to reset; finally, the translation feeding mechanism 19 translates and feeds the stable elastic ring to the sewing mechanism for sewing, and the first waste driving device 13 and the second waste driving device 14 work together to transport the waste generated in this ring forming to the waste recycling end side, the principle is as above.

[0191] The following is a brief description of the overall workflow of the rubber band machine involved in this application: Please refer to... Figure 23 and Figure 24 The elastic band located on the feeding rack 17 is flattened by the pressing and conveying mechanism 18 and fed to the coiling mechanism of this application. Following the above principle, after being coiled by the coiling mechanism, the translational feeding mechanism 19 translates and conveys the elastic band with welded positions to the sewing machine head 20. The sewing machine head 20 re-sews the welded positions to form the finished elastic band. Finally, the finished elastic band is dropped to the receiving mechanism 21 to complete the receiving process. Additionally, the central control mechanism 22 of the elastic band machine is located on one side of the coiling mechanism.

[0192] Note that the pressing and conveying mechanism 18 and the translational feeding mechanism 19 involved in this application have been patented by the applicant in advance and are considered prior art. Therefore, this application will not elaborate further on them.

[0193] The above description of the forming mechanism of the elastic band machine of the present invention is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made under the inventive concept of the present invention using the contents of the present invention specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A coiling mechanism for an elastic band machine, installed between a pressing and conveying mechanism and a translating feeding mechanism of the elastic band machine, wherein the pressing and conveying mechanism is used to output pressed and flattened elastic bands, and the translating feeding mechanism has two clamping devices arranged at intervals, characterized in that... The forming mechanism includes: A base frame is installed on the frame of the rubber band machine and includes a front end and a rear end. The front end is provided with a feeding end and a waste recycling end, and the rear end is provided with a ring forming end. The belt conveyor is installed at the front end and has belt conveyor channels and waste channels spaced vertically along its length. An encoder assembly, disposed above the tape feed channel, is used to detect and record the length of the elastic band passing through the tape feed channel; A feeding drive device, installed at the rear end, is used to transport the elastic band from the feeding end to the coiling end; An ultrasonic welding device is fixed below the tape-passing device; A cutting device is installed at the rear end and positioned in front of the ultrasonic welding device. The cutting device and the ultrasonic welding device work together to simultaneously cut and weld the elastic band conveyed to the coiling end, and form it into an elastic ring. There is waste material at the welding position of the elastic ring. At least one waste driving device is installed on the base frame for conveying the waste from the coiled end through the waste channel to the waste recycling end. A leveling auxiliary device is installed at the rear end for leveling the left and right ends of the elastic ring. A material separating device, installed at the rear end, is used to drive the insert tongue to insert into the elastic ring in the left-right direction and separate the front and rear ends of the elastic ring. A positioning device, installed at the rear end, is used to position and flatten the front end of the elastic ring. The two clamping devices are used to clamp the front and rear ends of the tension ring.

2. The coiling mechanism of a rubber band machine according to claim 1, characterized in that, The coiling mechanism has a coiling state and a coil dropping state. In the coiling state, the waste material driving device is not working; in the coil dropping state, the waste material driving device is working and conveys the waste material formed at the welding position during the coiling process to the side closer to the waste material recycling end.

3. The coiling mechanism of a rubber band machine according to claim 2, characterized in that, The front end is a stand, the belt feeder is installed above the stand, and the rear end includes a first side plate and a second side plate arranged at intervals on the left and right. The first side plate and the second side plate are both fixed in front of the belt feeder, and a motor mounting plate is provided on the first side plate.

4. The coiling mechanism of a rubber band machine according to claim 3, characterized in that, There are two waste drive devices, namely a first waste drive device and a second waste drive device, wherein the first waste drive device is installed at the rear end and the second waste drive device is installed at the front end.

5. The coiling mechanism of a rubber band machine according to claim 4, characterized in that, The feeding drive device includes: The first motor is fixed to the motor mounting plate; The first feeding roller is connected between the first side plate and the second side plate; The first synchronous belt pulley assembly is installed between the motor shaft of the first motor and the end of the first feeding roller; A first adjustment component is installed at the rear end for adjusting the position of the second feed roller, and the elastic band is threaded between the first feed roller and the second feed roller.

6. The coiling mechanism of a rubber band machine according to claim 5, characterized in that, The first waste drive device includes: The second motor is fixed to the motor mounting plate; The third feeding roller is connected between the first side plate and the second side plate; The second synchronous belt pulley assembly is installed between the motor shaft of the second motor and the end of the third feed roller; The second adjustment component, installed at the rear end, is used to adjust the position of the fourth feed roller, with the waste material passing between the third and fourth feed rollers.

7. The coiling mechanism of a rubber band machine according to any one of claims 4-6, characterized in that, The feeding end is a feeding assembly arranged at the rear end of the belt conveyor, and the feeding assembly includes: Mounting bracket; fixed to the belt feed device; At least one feed roller is used to feed the elastic band output from the heat pressing conveyor to the belt conveyor channel; The waste recycling end is located at the rear end of the conveyor belt device, and the second waste driving device is arranged at the waste recycling end, including a first support plate and a second support plate arranged at left and right intervals. The first support plate and the second support plate are both fixed below the conveyor belt device. The second waste driving device also includes: The third motor is fixed on the first support plate; The fifth feeding roller is connected between the first support plate and the second support plate; The third synchronous belt pulley assembly is installed between the motor shaft of the third motor and the end of the fifth feed roller; The third adjustment component, installed at the front end, is used to adjust the position of the sixth feed roller, with the waste material passing between the fifth and sixth feed rollers.

8. The coiling mechanism of a rubber band machine according to claim 7, characterized in that, The cutting device includes: The third mounting plate is fixed to the front end of the first side plate and the second side plate; At least one sixth cylinder is fixed to the third mounting plate; A connecting block is attached to the piston rod of the sixth cylinder; The cutter is fixed to the connecting block; The material separation device includes: The fourth cylinder is fixed below the first side plate and the second side plate; The intermediate plate is connected to the piston rod of the fourth cylinder; The tongue is fixed to the middle plate; The positioning device includes: The second mounting plate is fixed to the second side plate; The fifth cylinder is fixed on the second mounting plate; A pusher is mounted on the piston rod of the fifth cylinder, and the pusher is located in front of the tension ring.

9. The coiling mechanism of a rubber band machine according to claim 1, characterized in that, The leveling auxiliary device includes: The first mounting plate is fixed to the front end; A cylinder fixing plate is fixed on the first mounting plate, and the cylinder fixing plate is provided with a sliding groove extending in the left and right direction; The second cylinder is slidably connected to the slide groove via a sliding block; The screw bracket is fixed to the lower end of the sliding block; At least one bearing housing is fixed to the lower end of the cylinder mounting plate, and a screw is threaded through the bearing housing, with an adjusting handle at one end of the screw; The rod frame body is fixed on the piston rod of the second cylinder. The rod frame body is U-shaped and has a first leveling block and a stop block at each end. The stop block is located above the first leveling block. The third cylinder is fixed to the cylinder mounting plate; The second leveling block is disposed on the piston rod of the third cylinder, and the second leveling block and the first leveling block are arranged opposite each other on the left and right.

10. The coiling mechanism of a rubber band machine according to claim 1, characterized in that, A visual alignment device is installed above the conveyor belt device, and the visual alignment device includes: A linear drive module is fixed above the tape feed device along its own longitudinal direction. The slider is slidably connected to the linear drive module; The upright is fixed above the slider; The upper horizontal bar is fixed to the vertical bar; The beam is fixed to the upper crossbar; An industrial camera is fixed to the beam. The lower horizontal bar is fixed to the vertical bar; At least one light source is fixed on the lower crossbar, and both the industrial camera and the light source are located directly above the conveyor belt channel.

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