CN217994884U - Automatic knotting machine - Google Patents

Abstract

The utility model discloses an automatic knotter, which comprises a first transmission mechanism and a second transmission mechanism, wherein a pull rope clamp component and a packaging belt material disc component are respectively arranged on two sides between the first transmission mechanism and the second transmission mechanism; a first clamping assembly and a second clamping assembly are oppositely arranged on two sides of the rope pulling clamp assembly in the moving direction, the first clamping assembly comprises a first stepping clamp and a second stepping clamp, the second stepping clamp is telescopically and liftably arranged on one side close to the packaging belt charging tray assembly, and the first stepping clamp is telescopically arranged on a first stepping clamp linear driving mechanism; the second centre gripping subassembly includes the edge olecranon that the moving direction order of stay cord clamp subassembly set up presss from both sides, rotatory clamp, scissors and presss from both sides the rope clamp, and olecranon presss from both sides liftable and scalable with pressing from both sides the rope clamp, and the rotatory clamp is scalable, goes up and down and rotatory, and the scalable setting of scissors, press from both sides the rope clamp and lie in the frame that is close to one side of strap charging tray subassembly. The structure is compact, and the tightening and knotting packaging of the materials can be realized.

Description

Automatic knotting machine

Technical Field

The utility model relates to a knot-tying machine especially relates to an automatic knot-tying machine.

Background

Chinese patent No. 201620683926. X's utility model patent discloses an automatic bowknot machine of beating, it includes: a machine base; the automatic feeding mechanism is arranged on the base; the cutting mechanism comprises a rotating seat, and a clamping module and a cutting module which are arranged on the rotating seat; the clamping and moving mechanism comprises a clamping module arranged beside the cutting mechanism, a rotary driving module and a first translation module for horizontally moving the clamping module; the first hooking mechanism comprises a first hook which is arranged beside the cutting mechanism and can horizontally move and rotate; the second hooking mechanism comprises a second hook which is arranged beside the cutting mechanism and can horizontally move and rotate; the knotting point mechanism comprises a knotting point ejector rod which is arranged between the first hooking mechanism and the second hooking mechanism and can move horizontally. The utility model only makes the silk ribbon into bowknot ornaments with uniform specification and size, and can not tighten the articles and tie knots in a packaging way.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic knot tying machine.

Realize the utility model discloses the technical scheme of purpose is: an automatic knotting machine comprises a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism and the second conveying mechanism are arranged at intervals in a straight line and are conveyed in the same direction, a rope pulling clamp assembly capable of performing linear reciprocating motion and used for pulling a packaging tape is horizontally arranged between the first conveying mechanism and the second conveying mechanism, the moving direction of the rope pulling clamp assembly is perpendicular to the conveying direction of the first conveying mechanism, and a packaging tape tray assembly used for winding the packaging tape is arranged on the opposite side of the rope pulling clamp assembly; a first clamping assembly and a second clamping assembly are mounted on the rack above the first conveying mechanism and the second conveying mechanism, the first clamping assembly and the second clamping assembly are oppositely arranged on two sides of the movement direction of the pull rope clamping assembly, the first clamping assembly comprises a first stepping clamp and a second stepping clamp which linearly reciprocate along the movement direction of the pull rope clamping assembly, the second stepping clamp is positioned on one side close to the packaging belt feeding disc assembly, the first stepping clamp is telescopically mounted on a first stepping clamp linear driving mechanism, and the second stepping clamp is liftable and telescopically mounted on a second stepping clamp linear driving mechanism; the second clamping assembly comprises an olecranon clamp, a rotary clamp, scissors and a rope clamping clamp which are sequentially arranged along the moving direction of the rope clamping assembly; the rope clamping clamp is positioned on the rack close to one side of the packaging tape tray assembly, a rope clamping clamp lifting mechanism is installed on the rack, a rope clamping clamp feeding mechanism is installed on the rope clamping clamp lifting mechanism, and the rope clamping clamp can be installed on the rope clamping clamp feeding mechanism in an opening and closing mode; the scissors are telescopically arranged on the rack through a scissors feeding mechanism; a rotary driving mechanism is installed on the rack, a rotary clamp feeding mechanism used for driving the rotary clamp to stretch relative to the first clamping assembly is installed on the rotary driving mechanism, a rotary clamp lifting mechanism is installed at the movable end of the rotary clamp feeding mechanism, and the rotary clamp can be installed at the bottom of the rotary clamp lifting mechanism in an opening and closing mode; the olecranon clamp lifting mechanism is provided with an olecranon clamp feeding mechanism which drives the olecranon clamp to stretch relative to the first clamping assembly, and the olecranon clamp can be arranged on the olecranon clamp feeding mechanism in an opening and closing manner.

Further, first further press from both sides with the step-by-step clamp of second all install in on the first further clamp linear drive mechanism, first further clamp linear drive mechanism includes step motor, the lead screw is installed to step motor's output, the lead screw seat has been erect at the top of frame, the lead screw activity is worn to locate in the lead screw seat, the top of lead screw seat is followed the length direction of lead screw installs the slide rail, slidable mounting has the slide on the slide rail, wear to be equipped with the nut on the lead screw, the nut pass through the connecting plate with the slide is fixed, install first step-by-step clamp mount pad on the slide, install first step-by-step clamp feed mechanism on the first step-by-step clamp mount pad, first step-by-step clamp install in on the first step-by-step clamp feed mechanism, still fixed mounting has a lift fixing base on the slide, install second step-by-step clamp elevating system on the lift fixing base, second step-by-step clamp installs in on the second step-by-step clamp feed mechanism.

Further, the rope pulling clamp, the first step clamp, the rope clamping clamp and the rotating clamp are all pneumatic fingers.

Further, the second step press from both sides with olecranon presss from both sides all includes punch holder and lower plate, the front end of lower plate is the exposed core, the splint cylinder is installed to the rear end of lower plate, the rear end of punch holder with the lower plate is articulated, the last surface mounting of the rear end of punch holder has articulated piece, articulated piece with the free end of the piston rod of splint cylinder is passed through the connecting rod and is articulated, the punch holder with the articulated axis of lower plate the connecting rod with the articulated axis of articulated piece and the connecting rod with the articulated axis of the free end of the piston rod of splint cylinder is parallel.

Furthermore, the rope clamp assembly comprises a support, two pairs of rope clamps and a rope clamp linear driving mechanism, the rope clamp linear driving mechanism is horizontally arranged between the first conveying mechanism and the second conveying mechanism, the support is fixedly arranged on the rope clamp linear driving mechanism, and the two pairs of rope clamps are arranged on the support and vertically arranged at intervals along the support.

Further, the first conveying mechanism and the second conveying mechanism are both conveying belts or conveying rollers.

Further, the rope clamping and feeding mechanism, the rotating and clamping feeding mechanism, the olecranon clamping and feeding mechanism, the scissors feeding mechanism, the first stepping clamping and feeding mechanism and the second stepping clamping and feeding mechanism are all horizontal cylinders.

Furthermore, the rope clamping and lifting mechanism, the rotary clamp lifting mechanism and the olecranon clamp lifting mechanism are all vertical cylinders.

The utility model discloses an automatic knotter compact structure, stay cord clamp assembly can stretch into horizontal U type with the packing belt between packing belt charging tray subassembly and the clip rope clamp, treats that the material of knoing transports to the packing belt between first transport mechanism and the second transport mechanism through first transport mechanism on, then by stay cord clamp assembly, first centre gripping subassembly and the cooperation of second centre gripping subassembly, the packing of realizing lacing up and knoing to the material, the knot back material is decided to the scissors is transmitted forward to next procedure through second transport mechanism, packing efficiency has been promoted.

Drawings

Fig. 1 is a schematic perspective view of an automatic knot tying machine according to an embodiment of the present invention; wherein the hollow arrow represents the conveying direction of the first conveying mechanism, and the solid arrow represents the moving direction of the pull rope clamp assembly;

fig. 2 is a schematic perspective view of the automatic knot tying machine according to the embodiment of the present invention, which does not include a frame;

fig. 3 is a schematic structural view of the first clamping assembly of the present invention;

fig. 4 is a schematic view of the olecranon clip of the present invention.

Detailed Description

The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 and 2, an automatic knotter comprises a first conveying mechanism 10 and a second conveying mechanism 20, wherein the first conveying mechanism 10 and the second conveying mechanism 20 are linearly arranged at intervals and are conveyed in the same direction, a rope clamp assembly 30 which can linearly reciprocate and is used for pulling a packaging tape is horizontally arranged between the first conveying mechanism and the second conveying mechanism 20, the rope clamp assembly 30 comprises a support 31, two pairs of rope clamps 32 and a rope clamp linear driving mechanism 33, the rope clamp linear driving mechanism 33 is horizontally arranged between the first conveying mechanism 1 and the second conveying mechanism 2, the support 31 is fixedly arranged on the rope clamp linear driving mechanism 33, and the two pairs of rope clamps 32 are arranged on the support 31 and vertically arranged at intervals along the support 31; the moving direction of the rope pulling clamp assembly 30 is vertical to the conveying direction of the first conveying mechanism 1, and a packaging tape tray assembly 40 for winding packaging tapes is arranged on the opposite side of the rope pulling clamp assembly 30; a first clamping assembly 50 and a second clamping assembly 60 are mounted on the frame 100 above the first conveying mechanism 10 and the second conveying mechanism 20, and the first clamping assembly 50 and the second clamping assembly 60 are oppositely arranged on two sides of the movement direction of the rope pulling clamp assembly 30.

As shown in fig. 3, the first clamping assembly 50 includes a first stepping clamp 51 and a second stepping clamp 52 that linearly reciprocate along a moving direction of the rope clamp assembly 30, the second stepping clamp 52 is located at a side close to the packaging bag tray assembly 40, the first stepping clamp 51 and the second stepping clamp 52 are both mounted on the first stepping clamp linear driving mechanism 53, the first stepping clamp linear driving mechanism 53 includes a stepping motor 531, a lead screw 532 is mounted at an output end of the stepping motor 531, a lead screw seat 1001 is erected at a top of the rack 100, the lead screw 532 is movably inserted into the lead screw seat 1001, a slide rail 536 is mounted at a top of the lead screw seat 1001 along a length direction of the lead screw 532, a slide block 533 is slidably mounted on the slide rail 1002, a nut 534 is inserted on the lead screw 532, the nut 534 is fixed with the slide block 533 through a connecting plate 5331, a first stepping clamp mounting seat 535 is mounted on the first stepping clamp mounting seat 535, a second stepping clamp 536 is mounted on the second stepping clamp mounting seat 538, a second stepping clamp 538 is mounted on the second stepping clamp mounting seat 537, and a lifting clamp 538 is mounted on the second lifting clamp mounting seat 538.

The second clamping assembly 60 comprises an olecranon clamp 6, a rotating clamp 7, scissors 8 and a rope clamping clamp 9 which are sequentially arranged along the moving direction of the rope clamping assembly 3; the rope clamping clamp 9 is positioned at one side close to the packaging tape tray assembly 40, a rope clamping clamp lifting mechanism 91 is installed on the rack 100, a rope clamping clamp feeding mechanism 92 is installed on the rope clamping clamp lifting mechanism 91, and the rope clamping clamp 9 can be installed on the rope clamping clamp feeding mechanism 92 in an opening and closing manner; the scissors 8 are telescopically arranged on the frame 100 through a scissors feeding mechanism 81; a rotary driving mechanism 71 is mounted on the rack 100 above the first conveying mechanism 10, a rotary clamp feeding mechanism 72 is mounted at the bottom of the rotary driving mechanism 71, a rotary clamp lifting mechanism 73 is mounted on the rotary clamp feeding mechanism, and the rotary clamp is fixedly mounted at the bottom of the rotary clamp lifting mechanism 73; an olecranon clip lifting mechanism 61 is installed on the rack 100, an olecranon clip feeding mechanism 62 for driving the olecranon clip 6 to stretch relative to the first clamping assembly 50 is installed at the bottom of the olecranon clip lifting mechanism 61, and the olecranon clip 6 can be installed on the olecranon clip feeding mechanism 62 in an opening and closing manner.

In this embodiment, the rope pulling clamp 32, the first further clamp 51, the rotating clamp 7 and the rope clamping clamp 9 are all pneumatic fingers; the scissors are pneumatic scissors.

As shown in fig. 4, the olecranon clamp 6 includes an upper clamp plate 611 and a lower clamp plate 612, a front end 6121 of the lower clamp plate 612 is a clamping end, a clamp cylinder 613 is installed at a rear end 6122 of the lower clamp plate 612, a rear end 6111 of the upper clamp plate 611 is hinged to the lower clamp plate 612, a hinge block 614 is installed on an upper surface of the rear end 6111 of the upper clamp plate 611, the hinge block 614 is hinged to a free end of a piston rod 6131 of the clamp cylinder 613 through a connecting rod 615, and a hinge axis of the upper clamp plate 611 and the lower clamp plate 612, a hinge axis of the connecting rod 615 and the hinge block 614, and a hinge axis of the connecting rod 615 and a free end of a piston rod 6131 of the clamp cylinder 613 are parallel. The second stepping clamp 52 is identical in structure to the olecranon clamp 6.

The working principle of the automatic knot tying machine realized by the embodiment is as follows:

1. preparation action:

1.1 in an initial state, the pull rope clamp is positioned on one side far away from the packaging tape tray assembly, and the first stepping clamp and the second stepping clamp are positioned on one side close to the packaging tape tray assembly; the rope clamping device comprises a first clamping component, a rope clamping clamp and a second clamping component, wherein the first clamping component is arranged on a packaging belt material tray component, the first clamping component is arranged on the first clamping component, the second clamping component is arranged on the second clamping component, and the rope clamping clamp is driven to lift by a rope clamping clamp lifting mechanism;

1.2 the rope pulling clamp is driven by a rope pulling clamp linear driving mechanism to move to one side of the packaging tape material disc component and grasp the packaging tape between the packaging tape material disc component and the rope clamping clamp, and then the rope pulling clamp component retreats to enable the packaging tape to be pulled into a transverse U shape;

1.3, conveying the material to be knotted into a transverse U-shaped packaging belt by a first conveying mechanism, and stopping at a place where the rope is required to be knotted;

2. the first knot:

2.1, the rope clamping clamp ascends, the first stepping clamp extends out to clamp a first rope end originally clamped by the rope clamping clamp, the rope clamping clamp is loosened, the first stepping clamp clamps the first rope end to move towards one side of the rope pulling clamp assembly, and the first rope end is pulled through the rotating clamp and attached to the outer side of the upper surface of the rotating clamp;

2.2 the rotating clamp is driven by a rotating clamp lifting mechanism to ascend and open the clamp, at the moment, the first rope end is attached to the outer side of the upper surface of the rotating clamp, and a rotating clamp feeding mechanism drives the rotating clamp to extend out and approach a rope (subsequently cut into a second rope end) between the packaging belt material disc assembly and the rope pulling clamp;

2.3 the first stepping clamp further moves to one side of the rope pulling clamp assembly, the second stepping clamp extends out to clamp the rope close to the first rope end, then the rope clamping clamp extends out to clamp the rope at the position of the packaging material taking disc assembly, the rotating clamp also clamps the rope connected with the packaging material taking disc assembly, and the scissors extends out to cut the rope at the position so that the packaging belt clamped by the rotating clamp becomes a second rope end;

2.4 the rotating clamp clamps the second rope end and then retreats, the first further clamp contracts and retreats simultaneously, and the first rope end and the second rope end are mutually wound for a circle to form a first knot;

3. and a second knot:

3.1 the olecranon clamp descends to press the first knot, the first stepping clamp and the second stepping clamp the rope head to move to one side of the packaging tape tray component to the outer side of the upper surface of the olecranon clamp, and at the moment, the first rope head is clamped by the first stepping clamp and the second stepping clamp and is pulled to form an S shape with the olecranon clamp at the bottom of the first rope head;

3.2 the second stepping clamp descends, the olecranon clamp is opened, then the rotary driving mechanism drives the rotary clamp clamping the rope head II to rotate towards one side of the olecranon clamp from the upper part of the second stepping clamp until the middle part of the rope head II is in the range of the olecranon clamp, and the olecranon clamp clamps the middle part of the rope head II;

3.3, retreating the olecranon clamp and retreating the second stepping clamp simultaneously, pulling the first rope head and the second rope head out of a bowknot shape, then opening the first stepping clamp, clamping a half circle of the bowknot by the second stepping clamp and moving the first stepping clamp and the second stepping clamp to one side of the packaging tape tray assembly simultaneously to tighten the bowknot, finally opening the second stepping clamp and the olecranon clamp, and conveying the material out by a second conveying mechanism after knotting is finished;

4. resetting: and 2, resetting the cylinders in order, clamping the rope end (the first rope end in the next process) at the position of the packaging bag material tray by the rope clamping clamp in the step 2.3, and enabling the rope pulling clamp assembly to move forward to repeat the processes after the materials are conveyed away.

The rope clamping clamp feeding mechanism, the rotary clamp feeding mechanism, the olecranon clamp feeding mechanism, the scissors feeding mechanism, the first further clamp feeding mechanism and the second further clamp feeding mechanism of the utility model are all horizontal cylinders; the rope clamping clamp lifting mechanism, the rotary clamp lifting mechanism and the olecranon clamp lifting mechanism are all vertical cylinders; the pneumatic finger, the vertical cylinder and the horizontal cylinder are all conventional structures in the mechanical field, and are not described herein again; the first conveying mechanism and the second conveying mechanism can be conventional material conveying structures in the mechanical field such as a conveying belt or a conveying roller; the equipment for realizing feeding and lifting is not limited to the cylinder, but also can be other linear driving equipment in the mechanical field; as can be appreciated by those skilled in the mechanical arts, the spacing between the first and second transfer mechanisms is limited so as not to interfere with the passage of the material to be knotted. The stepping motor, the first stepping clamp feeding mechanism, the second stepping clamp lifting mechanism, the second stepping clamp feeding mechanism, the rope clamp lifting mechanism, the rope clamp feeding mechanism, the scissors feeding mechanism, the rotary driving mechanism, the rotary clamp lifting mechanism, the rotary clamp feeding mechanism, the olecranon clamp lifting mechanism and the olecranon clamp feeding mechanism are all in communication connection with a numerical control system, which is a conventional technical means in the numerical control field and is not described herein; the mounting structure of the first stepping clamp and the second stepping clamp is not limited to that shown in the embodiment, and the first stepping clamp and the second stepping clamp can be driven by respective driving mechanisms to synchronously and linearly reciprocate respectively, but the structure of the embodiment is compact and the operation is stable; the number of the pull rope clamps can be only one or more than two, but the arc pulled out by the structure of the embodiment is larger, so that the materials can conveniently shuttle to the transverse U-shaped packaging belt; the material tray assembly of the packaging belt is a conventional unwinding structure in the mechanical field and is not described herein in detail.

The above-mentioned only be the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent flow transform of the content of the specification made of the utility model, or direct or indirect application is in other relevant technical field, and all the same reason is included in the patent protection scope of the utility model.

Claims (8)

1. The utility model provides an automatic knot tying machine which characterized in that: the packaging tape feeding device comprises a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism and the second conveying mechanism are arranged at intervals in a straight line and are transmitted in the same direction, a rope pulling clamp assembly capable of performing linear reciprocating motion and used for pulling a packaging tape is horizontally arranged between the first conveying mechanism and the second conveying mechanism, the moving direction of the rope pulling clamp assembly is perpendicular to the conveying direction of the first conveying mechanism, and a packaging tape tray assembly used for winding the packaging tape is arranged on the opposite side of the rope pulling clamp assembly; a first clamping assembly and a second clamping assembly are mounted on the rack above the first conveying mechanism and the second conveying mechanism, the first clamping assembly and the second clamping assembly are oppositely arranged on two sides of the movement direction of the pull rope clamping assembly, the first clamping assembly comprises a first stepping clamp and a second stepping clamp which linearly reciprocate along the movement direction of the pull rope clamping assembly, the second stepping clamp is positioned on one side close to the packaging belt feeding disc assembly, the first stepping clamp is telescopically mounted on a first stepping clamp linear driving mechanism, and the second stepping clamp is liftable and telescopically mounted on a second stepping clamp linear driving mechanism; the second clamping assembly comprises an olecranon clamp, a rotating clamp, scissors and a rope clamping clamp which are sequentially arranged along the moving direction of the rope clamping assembly; the rope clamping clamp is positioned on the rack close to one side of the packaging tape tray assembly, a rope clamping clamp lifting mechanism is installed on the rack, a rope clamping clamp feeding mechanism is installed on the rope clamping clamp lifting mechanism, and the rope clamping clamp can be installed on the rope clamping clamp feeding mechanism in an opening and closing mode; the scissors are telescopically arranged on the rack through a scissors feeding mechanism; a rotary driving mechanism is installed on the rack, a rotary clamp feeding mechanism used for driving the rotary clamp to stretch relative to the first clamping assembly is installed on the rotary driving mechanism, a rotary clamp lifting mechanism is installed at the movable end of the rotary clamp feeding mechanism, and the rotary clamp can be installed at the bottom of the rotary clamp lifting mechanism in an opening and closing mode; the olecranon clamp lifting mechanism is provided with an olecranon clamp feeding mechanism which drives the olecranon clamp to stretch relative to the first clamping assembly, and the olecranon clamp can be arranged on the olecranon clamp feeding mechanism in an opening and closing manner.

2. The automatic knot tying machine according to claim 1, characterized in that: first step press from both sides with the step-by-step clamp of second all install in on the first step press from both sides linear drive mechanism, first step press from both sides linear drive mechanism includes step motor, the lead screw is installed to step motor's output, the lead screw seat has been erect at the top of frame, the lead screw activity is worn to locate in the lead screw seat, the top of lead screw seat is followed the length direction of lead screw installs the slide rail, slidable mounting has the slide on the slide rail, wear to be equipped with the nut on the lead screw, the nut pass through the connecting plate with the slide is fixed, install first step-by-step clamp mount pad on the slide, install first step-by-step clamp feed mechanism on the first step-by-step clamp mount pad, first step-by-step clamp install in on the first step-by-step clamp feed mechanism, still fixed mounting has a lift fixing base on the slide, install second step-by-step clamp elevating system on the lift fixing base, second step-by-step clamp elevating system's bottom installs second step clamp feed mechanism, second step-by-step clamp install in on second step clamp feed mechanism.

3. The automatic knot tying machine of claim 2, wherein: the rope pulling clamp, the first step clamp, the rope clamping clamp and the rotating clamp are all pneumatic fingers.

4. The automatic knot tying machine according to claim 2, characterized in that: the second is step by step press from both sides with olecranon presss from both sides and all includes punch holder and lower plate, the front end of lower plate is the exposed core, the splint cylinder is installed to the rear end of lower plate, the rear end of punch holder with the lower plate is articulated, the last surface mounting of the rear end of punch holder has articulated piece, articulated piece with the free end of the piston rod of splint cylinder is articulated through the connecting rod, the punch holder with the articulated axis of lower plate the connecting rod with the articulated axis of articulated piece and the connecting rod with the articulated axis of the free end of the piston rod of splint cylinder is parallel.

5. The automatic knot tying machine according to claim 2, characterized in that: the rope pulling clamp assembly comprises a support, two pairs of rope pulling clamps and a rope pulling clamp linear driving mechanism, the rope pulling clamp linear driving mechanism is horizontally arranged between the first conveying mechanism and the second conveying mechanism, the support is fixedly arranged on the rope pulling clamp linear driving mechanism, and the two pairs of rope pulling clamps are arranged on the support and are vertically arranged at intervals along the support.

6. The automatic knot tying machine according to claim 2, characterized in that: the first conveying mechanism and the second conveying mechanism are conveying belts or conveying rollers.

7. The automatic knot tying machine according to claim 2, characterized in that: the rope clamping clamp feeding mechanism, the rotary clamp feeding mechanism, the olecranon clamp feeding mechanism, the scissors feeding mechanism, the first stepping clamp feeding mechanism and the second stepping clamp feeding mechanism are all horizontal cylinders.

8. The automatic knot tying machine of claim 2, wherein: the rope clamping and lifting mechanism, the rotary clamping and lifting mechanism and the olecranon clamping and lifting mechanism are all vertical cylinders.

Images