Tying machine

Abstract

The utility model discloses an opening tying machine which comprises a machine frame, an opening tying device, an opening tying device, an opening tying device, an opening tying device, an opening tying device, an opening tying device, an opening tying device and an opening tying device. The machine frame is internally provided with a cavity, and the top is provided with a feeding port communicated with the cavity. The binding belt supply part is arranged on the rack and is wound with a binding belt; the feeding mechanism is arranged in the rack, an inlet of the feeding mechanism is matched with the feeding port, an outlet of the feeding mechanism is matched with the discharging port, and the feeding mechanism can rotate in the cavity; the mounting plate is arranged in the cavity; the ribbon pulling mechanism is arranged on the mounting plate and is used for pulling the ribbon wound on the ribbon supply piece into the cavity; the clamping mechanism is arranged on the mounting plate and used for receiving and clamping the packaging bags supplied by the feeding mechanism; and the tying mechanism is arranged on the mounting plate, and is used for bending a binding belt into a [-shaped binding belt buckle, conveying the binding belt buckle to the clamping mechanism, and then extruding the binding belt buckle to tighten the bag opening of the packaging bag. According to the packaging bag tying device, the automation degree of tying of packaging bags can be improved, so that the tying efficiency and the tying safety are improved, and the labor cost of tying is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, in particular to a bag tying machine. Background Art

[0002] Most of the existing bag tying machines are semi-automatic structures. When in use, an operator needs to lift the packaging bag with one hand and turn and press down the control wrench with the other hand to complete the bag tying work. There are defects such as high labor cost, low safety factor, and low automation degree.

[0003] Therefore, it is urgent to research and develop a bag tying machine that can improve the automation degree of packaging bag tying, thereby improving the tying efficiency and tying safety, and reducing the labor cost of tying. Summary of the Invention

[0004] The purpose of the utility model is to provide a bag tying machine, which can improve the automation degree of packaging bag tying, thereby improving the tying efficiency and tying safety, and reducing the labor cost of tying.

[0005] In order to achieve the above purpose, a bag tying machine provided by the utility model has the following specific implementation schemes:

[0006] A bag tying machine includes:

[0007] A frame, which has a cavity inside, an inlet for conducting the cavity is provided at the top, and an outlet for conducting the cavity is provided at the bottom;

[0008] A tie supply member, which is arranged on the frame and is wound with ties;

[0009] A feeding mechanism, which is arranged inside the frame, the inlet is matched with the inlet of the frame, the outlet is matched with the outlet of the frame, and it can rotate inside the cavity;

[0010] A mounting plate, which is arranged inside the cavity; and

[0011] A tie pulling mechanism, which is arranged on the mounting plate and pulls the tie wound on the tie supply member into the cavity;

[0012] A clamping mechanism, which is arranged on the mounting plate and receives and clamps the packaging bag supplied by the feeding mechanism;

[0013] A bag tying mechanism, which is arranged on the mounting plate, includes a bag tying driving member, a movable seat and a bag tying rod. The bag tying driving member is in transmission connection with the movable seat, the movable seat is connected with the bag tying rod, and the bag tying rod bends the tie into a "C"-shaped tie buckle under the drive of the bag tying driving member and conveys it to the clamping mechanism and then squeezes to tie the bag mouth of the packaging bag tightly.

[0014] In some of these embodiments, a fixing base is provided on the mounting plate. The strap pulling mechanism is disposed on the side of the fixing base to convey the cable tie into the fixing base. The clamping mechanisms are disposed on both sides of the mounting plate and can move close to or away from each other. The tying rod of the tying mechanism can move in and out of the fixing base.

[0015] In some of these embodiments, the tying mechanism further includes:

[0016] A forming die, disposed on the tying rod;

[0017] A cable tie cutting member, disposed in the fixing base and movable on the mounting plate;

[0018] A push rod, fixed to the movable seat, and the other end passes through the cable tie cutting member; and

[0019] A return spring, sleeved on the push rod, with one end abutted against the cable tie cutting member and the other end abutted against the movable seat;

[0020] And the end of the tying rod and the forming die are both driven by the tying driving member to pass through the cable tie cutting member to bend the cable tie into a "C"-shaped cable tie buckle.

[0021] In some of these embodiments, the tying mechanism further includes:

[0022] A mounting frame, disposed on the fixing base, and a rotating shaft is mounted on the mounting frame;

[0023] A first connecting rod, with one end connected to the rotating shaft and the other end connected to an auxiliary forming rod. The auxiliary forming rod moves in and out of the cable tie cutting member under the driving of the rotation of the rotating shaft;

[0024] A first lifting wheel, disposed on the first connecting rod; and

[0025] A push bar, disposed on the movable seat, and having a first lifting slope at one end close to the first lifting wheel. The first lifting wheel can climb on the first lifting slope to drive the first connecting rod and the forming auxiliary to lift away from the cable tie cutting member.

[0026] In some of these embodiments, the strap pulling mechanism includes:

[0027] A strap pulling disk, disposed on the mounting plate, rotatably connected to the mounting plate, and wound with the cable tie provided by the cable tie supply member;

[0028] A strap pulling cylinder, disposed on the mounting plate;

[0029] The rotating block is arranged on the telescopic end of the pulling belt cylinder, can rotate relative to the telescopic end of the pulling belt cylinder, and the other end of the rotating block is connected to the center of the pulling belt disc.

[0030] In some embodiments, the clamping mechanism includes:

[0031] The second connecting rod is arranged on the mounting plate and is rotatably connected to the mounting plate;

[0032] The second connecting plate is arranged on the other end of the second connecting rod;

[0033] The clamping cylinder is arranged at the bottom of the mounting plate;

[0034] The connecting column is arranged on the telescopic end of the clamping cylinder, and the bottom end is rotatably connected to the telescopic end of the clamping cylinder; and

[0035] The clamping plates are arranged on one side where the two second connecting plates face each other, and a clamping groove is formed between the two clamping plates for receiving and clamping the packaging bag provided by the feeding mechanism.

[0036] In some embodiments, the clamping mechanism further includes:

[0037] At least one first connecting plate is arranged at the bottom of the mounting plate, and the second connecting rod on the same side as the first connecting plate is rotatably connected to the first connecting plate; and

[0038] The grooves are arranged on one side where the two clamping plates face each other, and the two grooves cooperate to form the clamping groove, and arc-shaped guiding surfaces are provided on the inner walls of the two grooves away from each other.

[0039] In some embodiments, the feeding mechanism includes:

[0040] The rotating frame is arranged in the cavity, and the bottom is rotatably connected to the frame;

[0041] The rotating cylinder is arranged in the cavity, is fixedly connected to the frame, and the telescopic end is connected to the third connecting rod arranged on the side of the rotating frame away from the bag-tying mechanism;

[0042] The blocking assembly is arranged on the rotating frame, and the blocking end can rotatably enter and exit the receiving groove formed on the side of the rotating frame close to the bag-tying mechanism; and

[0043] The first light curtain electro-optical eye is arranged on the side of the rotating frame away from the bag-tying mechanism, and the detection end faces the receiving groove;

[0044] The second light curtain electro-optical eye is arranged on the top of the rotating frame, and the detection end faces the feeding port.

[0045] In some embodiments, the feeding mechanism further comprises:

[0046] Two guide rods are provided, which are arranged opposite to each other on a side of the rotating frame away from the tying mechanism;

[0047] A lifting plate is mounted on two guide rods and the position of the lifting plate on the guide rods is adjustable;

[0048] A plurality of through slots arranged on the rotating frame and passing through the rotating frame; and

[0049] The blocking assembly includes a blocking rod, a rotating shaft, a connecting rod and a blocking cylinder. The blocking cylinder is arranged on the lifting plate. The rotating shaft is rotatably arranged at the bottom of the lifting plate. The connecting rod is rotatably connected to the telescopic end of the blocking cylinder. The other end of the connecting rod is rotatably connected to the rotating shaft. A plurality of blocking rods matching the through grooves are arranged on the rotating shaft. The blocking rod is the blocking end of the blocking assembly and moves in and out of the accommodating groove under the drive of the blocking cylinder.

[0050] In some embodiments, it also includes:

[0051] A coding machine, arranged on the frame and located on the side of the cable tie supply member, for coding the cable tie passing through the coding machine; and

[0052] A first inspection door is provided on the side of the frame and is hinged to the frame;

[0053] The second inspection door is provided on the top of the frame and is hinged to the frame.

[0054] And a driving mechanism connected to the second inspection door and / or the first inspection door is provided in the frame.

[0055] Based on the above technical solution, the tying machine provided by the utility model has the following beneficial effects compared with the prior art:

[0056] By adopting a strap pulling mechanism, a clamping mechanism and a bag mouth tying mechanism arranged on the mounting plate inside the cavity of the frame, a tie strap supply member is arranged outside the frame, a rotatable feeding mechanism is also arranged inside the cavity, a feeding port communicating with the cavity is arranged at the top of the frame, and a discharging port communicating with the cavity is arranged at the bottom. During actual use, the operator puts the packaging bag containing the material into the feeding port and enters the feeding mechanism. The feeding mechanism rotates inside the cavity to transfer the packaging bag to the clamping mechanism for clamping and fixing. During this process, the strap pulling mechanism pulls the tie strap wound on the tie strap supply member into the frame and conveys it into the bag mouth tying mechanism. The tying rod of the bag mouth tying mechanism bends the tie strap into a "C"-shaped tie strap buckle under the drive of the bag mouth tying driving member and conveys it to the clamping mechanism, and then squeezes to tightly tie the bag mouth of the packaging bag. Subsequently, the clamping assembly releases the clamping of the packaging bag. After the feeding mechanism drives the packaging bag to reset, the packaging bag is discharged from the discharging port, realizing automatic tying of the packaging bag. There is no need to manually hold the packaging bag during the tying process, improving the automation degree of packaging bag tying, thereby improving the tying efficiency and tying safety, and reducing the labor cost of tying. Description of the Drawings

[0057] Figure 1 It is a schematic structural diagram of the present utility model;

[0058] Figure 2 It is a schematic diagram of the mounting plate, the strap pulling mechanism, the bag mouth tying mechanism and the clamping mechanism of the present utility model;

[0059] Figure 3 It is a schematic structural diagram of the strap pulling mechanism of the present utility model;

[0060] Figure 4 It is a schematic diagram of the structure of the clamping mechanism of the present utility model;

[0061] Figure 5 It is a schematic structural diagram of the cooperation between the bag mouth tying mechanism and the fixed seat of the present utility model;

[0062] Figure 6 It is an exploded view of the cooperation between the bag mouth tying mechanism and the fixed seat of the present utility model;

[0063] Figure 7 It is a schematic structural diagram of the feeding mechanism of the present utility model;

[0064] Figure 8 It is a schematic structural diagram of the feeding mechanism of the present utility model from another perspective;

[0065] Figure 9 It is a schematic structural diagram of the driving mechanism of the present utility model.

[0066] Description of the Reference Numerals:

[0067] 100, Frame; 110, First maintenance door; 120, Second maintenance door; 130, Feed inlet; 140, Discharge outlet; 150, Mounting plate; 160, Fixed seat; 161, Second lifting slope;

[0068] 200, Cable tie supply; 300, Coding machine;

[0069] 400, Belt pulling mechanism; 410, Belt pulling cylinder; 420, Belt pulling disc; 430, Rotating block;

[0070] 500, Bag tying mechanism; 510, Bag tying drive; 520, Movable seat; 521, Push rod; 522, Return spring; 523, Swing rod; 524, Second lifting wheel; 530, Cable tie cutting part; 531, Cutting block; 540, Bag tying rod; 541, Forming die; 550, Mounting frame; 551, Rotating shaft; 560, First connecting rod; 561, First lifting wheel; 562, Auxiliary forming rod; 570, Push bar; 571, First lifting slope;

[0071] 600, Clamping mechanism; 610, First connecting plate; 620, Clamping cylinder; 621, Connecting column; 630, Second connecting plate; 640, Clamping plate; 641, Groove; 642, Arc-shaped guiding surface; 650, Clamping groove; 660, Second connecting rod;

[0072] 700, Loading mechanism; 710, Rotating frame; 711, Accommodating groove; 712, Through groove; 713, Third connecting rod; 714, Guide rod; 715, Lifting plate; 720, Rotating cylinder; 730, Blocking assembly; 731, Blocking rod; 732, Blocking cylinder; 733, Link; 734, Rotating shaft; 740, First light curtain photoelectric eye;

[0073] 800, Driving mechanism; 810, Driving cylinder; 820, Third connecting plate; 830, Fourth connecting plate. Detailed implementation mode

[0074] For the convenience of understanding the present invention, the specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings of the specification.

[0075] Unless otherwise specified or defined, the "first, second..." used herein is only for differentiating names and does not represent a specific quantity or order.

[0076] Unless otherwise specified or defined, the term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0077] It should be noted that in this text, "fixed to" and "connected to" can be directly fixed or connected to a component, or indirectly fixed or connected to a component.

[0078] As Figures 1-9 shown, a tying machine provided in this embodiment includes a frame 100. There is a cavity inside the frame 100, and a feed port 130 communicating with the cavity is provided at the top of the frame 100, and a discharge port 140 communicating with the cavity is provided at the bottom of the frame 100.

[0079] A tie supply member 200 is provided on any outer wall of the frame 100 for winding a tie around it to realize the supply of the tie. And a coding machine 300 is provided on the outer wall of the frame 100. The tie output by the tie supply member 200 first undergoes coding processing by the coding machine 300 and then enters the cavity to cooperate with other mechanisms to realize the tying process of the packaging bag.

[0080] A feeding mechanism 700 is provided in the cavity. The feeding mechanism 700 can rotate in the cavity. The inlet of the feeding mechanism 700 matches the feed port 130, and the outlet of the feeding mechanism 700 matches the discharge port 140. In actual use, an operator puts the packaging bag containing materials into the feeding mechanism 700 from the feed port 130, and the packaging bag after the tying process is transferred from the feeding mechanism 700 to the discharge port 140 and sent out of the frame 100.

[0081] An installation plate 150 is provided in the cavity. A tie pulling mechanism 400 for pulling the tie on the tie supply member 200 into the cavity, a tie buckle for receiving the tie provided by the tie pulling mechanism 400 and bending it into a "C" shape for tying the bag mouth of the packaging bag, and a clamping mechanism 600 for clamping the packaging bag on the feeding mechanism 700 are provided on the installation plate 150.

[0082] Specifically, the tie pulling mechanism 400 includes a tie pulling cylinder 410, a tie pulling disc 420, and a rotating block 430. The tie pulling cylinder 410 is installed on the installation plate 150. The rotating block 430 is connected to the telescopic end of the tie pulling cylinder 410. The tie pulling disc 420 is rotatably connected to the installation plate 150, and the center of the tie pulling disc 420 is connected to the other end of the rotating block 430. The rotating block 430 is rotatably connected to the tie pulling cylinder 410, so that when the tie pulling cylinder 410 expands and contracts, it drives the rotating block 430 to rotate, thereby driving the tie pulling disc 420 connected to the rotating block 430 to rotate. Only by manually winding the tie around the tie pulling disc 420 can the transfer of the tie be realized.

[0083] Specifically, the clamping mechanism 600 is provided on both sides of the mounting plate 150. Each clamping mechanism 600 includes a clamping cylinder 620, a second connecting rod 660, a second connecting plate 630, and a clamping plate 640. The clamping cylinder 620 is provided at the bottom of the mounting plate 150, and a connecting column 621 is connected to the telescopic end of the clamping cylinder 620. One end of the second connecting rod 660 is rotatably connected to the mounting plate 150, and the other end is connected to the second connecting plate 630. The clamping plate 640 is connected to the opposite sides of the two second connecting plates 630. A clamping groove 650 is formed between the two clamping plates 640 for clamping the mouth of the packaging bag.

[0084] The bottom end of the connecting column 621 is rotatably connected to the telescopic end of the clamping cylinder 620, so that the second connecting rod 660 can rotate following the connecting column 621 under the telescopic action of the telescopic end of the clamping cylinder 620. The two clamping plates 640 approach or separate from each other to clamp or release the packaging bag.

[0085] If the size of the mounting plate 150 is not sufficient to mount the clamping mechanism 600, a first connecting plate 610 can be provided at the bottom of the mounting plate 150. The end of the second connecting plate 630 is extended outside the mounting plate 150, and the second connecting rod 660 is rotatably connected to the first connecting plate 610.

[0086] On the opposite sides of the two clamping plates 640, there are grooves 641. The two grooves 641 cooperate to form the clamping groove 650, and arc-shaped guiding surfaces 642 are provided on the inner walls of the two grooves 641 away from each other.

[0087] It can be understood that the pull belt cylinder 410 and the clamping cylinder 620 described in this embodiment can both adopt pneumatic cylinders or hydraulic cylinders in the prior art.

[0088] Specifically, a fixed seat 160 is provided on the mounting plate 150, and a tie belt cutting member 530 is provided in the fixed seat 160. The tie belt cutting member 530 can move on the mounting plate 150, and a tie opening groove is formed on the tie belt cutting member 530. The pull belt mechanism 400 conveys the tie belt close to the tie belt cutting member 530, and the tie belt cutting member 530 cuts the tie belt and leaves it in the tie opening groove.

[0089] The tying mechanism 500 includes a tying driving member 510, a movable seat 520, a tying rod 540, a forming mold 541, a pushing rod 521, a return spring 522 and the cable tie cutting member 530. The tying driving member 510 is arranged on the mounting plate 150. The tying driving member 510 is connected to the movable seat 520 and drives the movable seat 520 to move on the mounting seat. The tying rod 540 is arranged on the other end of the movable seat 520. 40 is driven by the tying driving member 510 and the movable seat 520 to be positioned in the tying groove, and the forming mold 541 is provided on the tying rod 540. First, the cable tie remaining in the tying groove is bent into a "匚"-shaped cable tie buckle by using the forming mold 541 using a cable tie cutting machine. Then, under the continued push of the tying rod 540, the cable tie enters the clamping groove 650 and is guided by the arc-shaped guide surface 642 of the groove 641 and squeezed by the tying rod 540 to achieve the tying of the bag mouth of the packaging bag.

[0090] The tying drive member 510 described in this embodiment can be a motor in the prior art, which is transmission-connected to the movable seat 520 by means of a screw rod, or it can be a pneumatic cylinder or a hydraulic cylinder in the prior art, with the telescopic end transmission-connected to the movable seat 520. In this embodiment, a motor is preferably used.

[0091] The displacement of the cable tie cutting piece 530 on the mounting plate 150 is mainly achieved by a pushing rod 521 arranged on the movable seat 520 passing through the cable tie cutting piece 530, and a return spring 522 is sleeved on the pushing rod 521, one end of the return spring 522 abuts against the cable tie cutting piece 530, and the other end abuts against the movable seat 520, so that the cable tie cutting piece 530 is driven to displace and cut off the cable tie during the compression of the return spring 522, and the elastic return force of the return spring 522 cooperates with the push rod 521 and the limit of the cable tie cutting piece 530 to realize the return of the cable tie cutting piece 530.

[0092] The end of the cable tie cutting piece 530 is provided with a hard cutting block 531 for cutting the cable tie.

[0093] The fixing seat 160 is provided with a mounting frame 550, a rotating shaft 551 is arranged on the mounting frame 550, a first connecting rod 560 is connected to the rotating shaft 551, and an auxiliary forming rod 562 is connected to the other end of the first connecting rod 560, and the auxiliary forming rod 562 enters and exits the tie slot under the rotation of the rotating shaft 551. The auxiliary forming rod 562 is used to cooperate with the forming mold 541 to bend the cable tie into a cable tie buckle in the shape of a "匚" character.

[0094] Specifically, a first lifting wheel 561 is provided on the side of the first connecting rod 560, a pushing bar 570 is provided on the top of the movable seat 520, a first lifting inclined surface 571 is formed at one end of the pushing bar 570 close to the first lifting wheel 561, and the first lifting wheel 561 can climb on the first lifting inclined surface 571 to drive the first connecting rod 560 and the forming auxiliary lifting to disengage from the tie-tape cutting member 530.

[0095] A second lifting inclined surface 161 is provided on the mounting plate 150, a swing rod 523 is provided on the movable seat 520, a second lifting wheel 524 is provided on the swing rod 523, and the second lifting wheel 524 can climb on the second lifting inclined surface 161.

[0096] Specifically, the feeding mechanism 700 includes a rotating frame 710 disposed in the cavity. The bottom of the rotating frame 710 is rotatably connected to the frame 100. A third connecting rod 713 is provided on one side of the rotating frame 710 facing away from the tying mechanism 500. A rotating cylinder 720 is connected to the third connecting rod 713. The rotating cylinder 720 is fixedly connected to the frame 100, and its telescopic end drives the rotating frame 710 to rotate in the cavity through the third connecting rod 713.

[0097] A receiving groove 711 is formed on one side of the rotating frame 710 close to the tying mechanism 500. A blocking assembly 730 is provided on the rotating frame 710. The blocking end of the blocking assembly 730 can rotatably enter and exit the receiving groove 711 for carrying the packaging bag and unloading the packaging bag into the discharge port 140 for discharging.

[0098] And a first light curtain electric eye 740 is provided on the rotating frame 710. The first light curtain electric eye 740 is located on the side of the rotating frame 710 facing away from the tying mechanism 500, and the detection end of the first light curtain electric eye 740 faces the receiving groove 711 for detecting whether a packaging bag is placed on the rotating frame 710.

[0099] In order to improve the use safety of the tying machine, a second light curtain electric eye is provided on the top of the rotating frame 710. The detection end of the second light curtain electric eye faces the feeding port 130 for detecting whether the operator's hand leaves the feeding port 130 to avoid the situation that the feeding mechanism 700 damages the operator's hand when conveying the packaging bag to the clamping mechanism 600.

[0100] A number of through slots 712 arranged in sequence are provided on the rotating frame 710. The through slots 712 penetrate through the rotating frame 710. The blocking assembly 730 includes a blocking rod 731, a rotating shaft 734, a connecting rod 733 and a blocking cylinder 732. The blocking cylinder 732 is arranged on the lifting plate 715. The rotating shaft 734 is rotatably arranged at the bottom of the lifting plate 715. The connecting rod 733 is rotatably connected to the telescopic end of the blocking cylinder 732. The other end of the connecting rod 733 is rotatably connected to the rotating shaft 734. A number of the blocking rods 731 matching the through slots 712 are provided on the rotating shaft 734. The blocking rod 731 is the blocking end of the blocking assembly 730 and enters and exits the receiving groove 711 under the drive of the blocking cylinder 732.

[0101] Two guide rods 714 arranged oppositely are provided on the side of the rotating frame 710 away from the bag-tying mechanism 500. A lifting plate 715 is mounted on the two guide rods 714 and the position set on the guide rods 714 is adjustable.

[0102] For the convenience of the maintenance and repair of the bag-tying machine, a first inspection door 110 hinged to the frame 100 is provided on the side of the frame 100, and a second inspection door 120 hinged to the frame 100 is provided on the top of the frame 100. And at least one drive mechanism 800 is arranged inside the cavity to drive any one of the first inspection door 110 or the second inspection door 120 to automatically open. In this embodiment, preferably, one drive mechanism 800 is arranged to connect the second inspection door 120, which is convenient for automatically opening to manually thread the tie into the strap pulling mechanism 400 and the bag-tying mechanism 500.

[0103] The drive mechanism 800 includes a third connecting plate 820, a fourth connecting plate 830 and a drive cylinder 810. The drive cylinder 810 is connected to the frame 100 through the third connecting plate 820. The telescopic end of the drive cylinder 810 is connected to the second inspection door 120 through the fourth connecting plate 830.

[0104] In this embodiment, the blocking cylinder 732, the drive cylinder 810 and the rotating cylinder 720 can all adopt pneumatic cylinders or hydraulic cylinders in the prior art.

[0105] The using steps of a bag-tying machine provided in this embodiment are as follows:

[0106] Step 1: First, sequentially pass the tie on the tie supply member through the coding machine 300 and the strap pulling wheel and extend it to a position close to the fixed seat 160. The coding machine 300 synchronously codes the tie.

[0107] Step 2: Place the packaging bag filled with materials into the receiving groove 711 of the rotating frame 710 from the feeding port 130. The blocking rod 731 of the blocking assembly 730 bears the packaging bag.

[0108] Step 3: The belt pulling cylinder 410 operates to drive the belt pulling wheel to rotate and send the cable tie into the fixing seat 160;

[0109] Step 4: The rotating frame 710 enters the clamping groove 650 under the driving of the rotating cylinder 720, and the clamping plates 640 are driven by the clamping cylinder 620 to approach each other and clamp the bag opening of the packaging bag;

[0110] Step 5: The tie-opening driving member 510 drives the movable seat 520 to move and push the tie-opening cutting member 530 to cut the tie-opening so that the cut portion remains in the tie-opening groove;

[0111] Step 6: The tie-opening driving member 510 drives the movable seat 520 to continue to move, and the forming mold 541 on the tie-opening rod 540 and the auxiliary forming rod 562 cooperate to bend the cable tie into a cable tie buckle in the shape of a Chinese character “匚”;

[0112] Step 7: The tying driving member 510 drives the movable seat 520 to continue to move, and the first lifting inclined surface 571 of the pushing bar 570 drives the first lifting wheel 561 to lift, so that the auxiliary forming rod 562 is separated from the tying groove, and the cable tie buckle enters the clamping groove 650 of the clamping mechanism 600 under the continued push of the tying rod 540;

[0113] Step 8: The tying driving member 510 drives the movable seat 520 to continue to move, and the tying rod 540 squeezes the tie buckle while the two ends of the tie buckle are bent inward under the guidance of the arc-shaped guide surface 642, so as to achieve the tying process of the bag mouth of the packaging bag;

[0114] Step 9: The clamping mechanism 600 and the feeding mechanism 700 are reset, and the blocking cylinder 732 of the blocking assembly 730 is synchronously operated to drive the blocking rod 731 to rotate toward the rotating frame 710, so as to remove the packaging bag from the feeding mechanism 700 and discharge it from the discharge port 140.

[0115] According to the disclosure and teaching of the above description, the technical personnel in the field to which the utility model belongs can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the utility model.

Claims

1. A tying machine, characterized in that: Comprising: A frame (100) with a cavity inside, a feed port (130) communicating with the cavity at the top, and a discharge port (140) communicating with the cavity at the bottom; A cable tie supply member (200) provided on the frame (100) and wound with cable ties; A feeding mechanism (700) provided inside the frame (100), with an inlet matching the feed port (130) and an outlet matching the discharge port (140), and capable of rotating within the cavity; A mounting plate (150) provided inside the cavity; And A pulling belt mechanism (400) provided on the mounting plate (150) for pulling the cable ties wound on the cable tie supply member (200) into the cavity; A clamping mechanism (600) provided on the mounting plate (150) for receiving and clamping the packaging bags supplied by the feeding mechanism (700); A bag-tying mechanism (500) provided on the mounting plate (150), including a bag-tying driving member (510), a movable seat (520), and a bag-tying rod (540). The bag-tying driving member (510) is传动连接 with the movable seat (520), and the movable seat (520) is connected with the bag-tying rod (540). The bag-tying rod (540) bends the cable tie into a "匚"-shaped cable tie buckle under the drive of the bag-tying driving member (510) and transports it to the clamping mechanism (600) to squeeze and tighten the bag mouth of the packaging bag.

2. The closing machine according to claim 1, characterized in that: A fixed seat (160) is provided on the mounting plate (150). The pulling belt mechanism (400) is provided on the side of the fixed seat (160) for transporting the cable tie into the fixed seat (160). The clamping mechanism (600) is provided on both sides of the mounting plate (150) and can move closer to or away from each other. The bag-tying rod (540) of the bag-tying mechanism (500) can move in and out of the fixed seat (160).

3. The closing machine according to claim 2, characterized in that: The bag-tying mechanism (500) further includes: A forming die (541) provided on the bag-tying rod (540); A cable tie cutting member (530) provided inside the fixed seat (160) and movable on the mounting plate (150); A push rod (521) fixed on the movable seat (520) and having the other end passing through the cable tie cutting member (530); and A return spring (522) sleeved on the push rod (521), with one end abutting against the cable tie cutting member (530) and the other end abutting against the movable seat (520); And the end of the bag-tying rod (540) and the forming die (541) both bend the cable tie into a "匚"-shaped cable tie buckle by passing through the cable tie cutting member (530) under the drive of the bag-tying driving member (510).

4. The closing machine according to claim 3, characterized in that: The bag-tying mechanism (500) further includes: A mounting frame (550) provided on the fixed seat (160), and a rotating shaft (734) is mounted on the mounting frame (550); A first connecting rod (560) with one end connected to the rotating shaft (734) and the other end connected with an auxiliary forming rod (562). The auxiliary forming rod (562) moves in and out of the cable tie cutting member (530) under the drive of the rotation of the rotating shaft (734). a first lifting wheel (561), disposed on the first connecting rod (560); and The pushing bar (570) is arranged on the movable seat (520) and has a first lifting slope (571) on one end close to the first lifting wheel (561). The first lifting wheel (561) can climb on the first lifting slope (571) to drive the first connecting rod (560) and the forming auxiliary lifting and detaching cable tie cutting piece (530).

5. The closing machine according to any one of claims 1 to 4, characterized in that: The drawstring mechanism (400) comprises: A strap pull disk (420) is disposed on the mounting plate (150), rotatably connected to the mounting plate (150), and is wound with a strap provided by a strap supplying member (200); A belt pulling cylinder (410) is disposed on the mounting plate (150); The rotating block (430) is arranged on the telescopic end of the belt-drawing cylinder (410) and can rotate relative to the telescopic end of the belt-drawing cylinder (410), and the other end of the rotating block (430) is rotatably connected to the center of the belt-drawing disk (420).

6. The closing machine according to any one of claims 1 to 4, characterized in that: The clamping mechanism (600) comprises: A second connecting rod (660) is disposed on the mounting plate (150) and is rotatably connected to the mounting plate (150); A second connecting plate (630) is provided on the other end of the second connecting rod (660); A clamping cylinder (620) is disposed at the bottom of the mounting plate (150); A connecting column (621) is provided on the telescopic end of the clamping cylinder (620), and the bottom end is rotatably connected to the telescopic end of the clamping cylinder (620); and The clamping plate (640) is arranged on the opposite side of the two second connecting plates (630), and a clamping groove (650) is formed between the two clamping plates (640), and the clamping groove (650) is used to receive and clamp the packaging bag provided by the feeding mechanism (700).

7. The closing machine according to claim 6, characterized in that: The clamping mechanism (600) further comprises: The first connecting plate (610) is provided with at least one second connecting rod (660) disposed at the bottom of the mounting plate (150) and on the same side as the first connecting plate (610) and rotatably connected to the first connecting plate (610); and The groove (641) is arranged on one side opposite to the two clamping plates (640). The two grooves (641) cooperate to form the clamping groove (650). An arc-shaped guide surface (642) is provided on the inner walls of the two grooves (641) that are away from each other.

8. The closing machine according to any one of claims 1 to 4, characterized in that: The feeding mechanism (700) comprises: A rotating frame (710) is disposed in the cavity, and its bottom is rotatably connected to the frame (100); A rotating cylinder (720) is disposed in the cavity and fixedly connected to the frame (100), and a telescopic end is connected to a third connecting rod (713) disposed on a side of the rotating frame (710) away from the closing mechanism (500); A blocking assembly (730) is disposed on the rotating frame (710), and the blocking end can rotate in and out of a receiving groove (711) formed on one side of the rotating frame (710) close to the closing mechanism (500); and A first light curtain electric eye (740) is arranged on a side of the rotating frame (710) away from the closing mechanism (500), with a detection end facing the containing groove (711); The second light curtain electric eye is arranged on the top of the rotating frame (710), and the detection end faces the feed port (130).

9. The closing machine according to claim 8, characterized in that: The feeding mechanism (700) further comprises: Two guide rods (714) are provided and are arranged opposite to each other on a side of the rotating frame (710) away from the closing mechanism (500); A lifting plate (715) is mounted on two guide rods (714) and is adjustable in position on the guide rods (714); A plurality of through slots (712) are arranged on the rotating frame (710) and penetrate the rotating frame (710); and The blocking assembly (730) comprises a blocking rod (731), a rotating shaft (734), a connecting rod (733) and a blocking cylinder (732); the blocking cylinder (732) is arranged on the lifting plate (715); the rotating shaft (734) is rotatably arranged at the bottom of the lifting plate (715); the connecting rod (733) is rotatably connected to the telescopic end of the blocking cylinder (732); the other end of the connecting rod (733) is rotatably connected to the rotating shaft (734); a plurality of blocking rods (731) matching the through groove (712) are arranged on the rotating shaft (734); the blocking rod (731) is the blocking end of the blocking assembly (730), and moves in and out of the accommodating groove (711) under the drive of the blocking cylinder (732).

10. The closing machine according to any one of claims 1 to 4, characterized in that: Also includes: A coding machine (300) is arranged on the frame (100) and is located on the side of the cable tie supply member (200), and is used to code the cable ties passing through the coding machine (300); as well as A first inspection door (110) is provided on a side of the frame (100) and is hinged to the frame (100); A second inspection door (120) is provided on the top of the frame (100) and is hinged to the frame (100). Furthermore, a driving mechanism (800) connected to the second inspection door (120) and / or the first inspection door (110) is provided in the frame (100).

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