CN209905176U - Plastic bag handle stacking mechanism and automatic plastic bag handle assembling and packaging machine - Google Patents

Abstract

The utility model discloses a plastic bag handle stacking mechanism and an automatic plastic bag handle assembling and packaging machine, wherein the plastic bag handle stacking mechanism comprises a stacking mechanism body; the ejection device is arranged on the rack provided with the positioning jig; the stacker, install in the frame and be located ejecting device directly over, the stacker includes feed bin bottom plate and a plurality of feed bin baffle, be equipped with the hole of dodging that supplies the plastic bag handle to pass on the feed bin bottom plate, the at least relative both sides pore wall punishment that the hole was dodged to the neighbouring on the feed bin bottom plate do not is equipped with the feed bin baffle, the feed bin baffle has the inside wall that is close to the hole of dodging, the inside wall of each feed bin baffle respectively with dodge one of them side pore wall parallel and level in hole, be provided with on the feed bin baffle and be used for preventing to push away to the plastic bag handle of stacker by the non return portion. The utility model discloses can push away the plastic bag handle on the positioning jig to the windrow device on and pile up in groups, be convenient for subsequent packing of tying up.

Description

Plastic bag handle stacking mechanism and automatic plastic bag handle assembling and packaging machine

Technical Field

The utility model relates to a plastic bag processing equipment, concretely relates to plastic bag handle windrow mechanism and contain the automatic packagine machine that assembles of plastic bag handle of this plastic bag handle windrow mechanism.

Background

The handle of the plastic bag is mainly made of plastic materials, a semi-finished product formed from an injection molding machine is two semi-formed workpieces, and the semi-formed workpieces are connected through a water gap. Need artifically with two half-formed work pieces straining formation two plastic bag handles, there is unnecessary mouth of a river between two handles, need artifically fix two handles, adopt the cutter to amputate the mouth of a river between two plastic bag handles again, adopt at last to beat the belting mechanism or manual pile up ten plastic bag handles in order and tie up into a pack case. The prior art has the defects of various working procedures, long operation time and low efficiency in the assembly of plastic bag handles, water gap cutting, bundling and boxing and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic bag handle windrow mechanism and contain this plastic bag handle windrow mechanism's automatic equipment packagine machine of plastic bag handle can pile up into ten a set ofly with the plastic bag handle automation after the excision mouth of a river, improves the packing efficiency of plastic bag handle.

To achieve the purpose, the utility model adopts the following technical proposal:

a plastic bag handle stacking mechanism is provided, which comprises;

the ejection device is arranged on the rack provided with the positioning jig, and when the positioning jig moves right above the ejection device, the ejection device can eject the plastic bag handle on the positioning jig upwards;

the stacker device, the stacker device install in the frame and be located ejecting device is directly over, the stacker device includes feed bin bottom plate and a plurality of feed bin baffle, be provided with on the feed bin bottom plate and supply the plastic bag handle to pass dodge the hole, just be close to on the feed bin bottom plate dodge the at least relative both sides pore wall punishment in hole and do not be provided with the feed bin baffle, the feed bin baffle has and is close to dodge the inside wall in hole, each the feed bin baffle the inside wall with dodge one of them side pore wall parallel and level in hole, be provided with on the feed bin baffle and be used for preventing to push away to the plastic bag handle of stacker device by dodge the non return portion that the hole dropped.

As a preferred scheme of plastic bag handle windrow mechanism, non return portion include through the pivot axle install in non return piece on the feed bin baffle, non return piece is neighbouring the feed bin bottom plate sets up, non return piece is close to one side of the inside wall of feed bin baffle is provided with first stopper, non return piece winds the pivot axle clockwise rotate to with during the upper end butt of first stopper, non return piece can partially extend to dodge the top in hole.

As a preferable scheme of the plastic bag handle stacking mechanism, the non-return portion further comprises a second limiting block, and the second limiting block is located obliquely above the non-return block to limit the non-return block to rotate counterclockwise by an angle not greater than 90 °.

As a preferred scheme of plastic bag handle windrow mechanism, just be close to on the inside wall of feed bin baffle the mounting groove has been seted up to the feed bin bottom plate, non return portion includes spring and non return pole, the one end of spring with the bottom fixed connection of mounting groove, the other end with non return pole fixed connection, the spring makes non return pole has the orientation all the time the trend of mounting groove external motion, non return pole is kept away from the one end of spring has a direction inclined plane, when ejecting device was ejecting with the plastic bag handle, the plastic bag handle with the direction inclined plane contact makes the non return pole return extremely in the mounting groove.

As an optimal selection scheme of the plastic bag handle stacking mechanism, the number of the avoiding holes is two, two the avoiding holes are arranged at intervals and symmetrically, the side wall of each avoiding hole is provided with a plurality of bin baffles.

As an optimal scheme of the plastic bag handle stacking mechanism, the stacking device further comprises two limiting plates arranged on the bin bottom plate, wherein the two limiting plates are respectively located at two ends of the avoiding hole along the length direction of the avoiding hole.

As a preferable scheme of the plastic bag handle stacking mechanism, the ejection device comprises a sensor, a driver and a plurality of ejection rods, the sensor is mounted below the rack, the driver is connected with the driver through a third connecting plate, and when the sensor detects that the positioning jig moves to a position right below the stacking device, the driver drives the ejection rods to penetrate through ejection holes in the positioning jig to eject the plastic bag handles on the positioning jig.

As a preferred scheme of the plastic bag handle stacking mechanism, the rack is provided with a fixed mounting plate, the driver is an air cylinder, the air cylinder is mounted below the fixed mounting plate, and a piston rod of the air cylinder is connected with the ejection rod through the third connecting plate.

As a preferable scheme of the plastic bag handle stacking mechanism, the fixed mounting plate is provided with two third guide posts at intervals along the length direction thereof, the two third guide posts are symmetrical relative to the piston rod of the air cylinder, the third guide posts penetrate through the third connecting plate, and the third connecting plate can move up and down along the length direction of the third guide posts.

Still provide a plastic bag handle automatic assembly packagine machine, include plastic bag handle windrow mechanism.

The utility model has the advantages that: the utility model discloses an ejecting device can push away the automatic top of plastic bag handle at the excision mouth of a river to the windrow device on with the positioning jig to pile up into ten a set ofly on the windrow device, the subsequent packing of tying up of being convenient for, compare with prior art, the utility model discloses a plastic bag handle windrow mechanism can improve the packing efficiency of plastic bag handle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of an automatic assembly packaging machine for plastic bag handles according to an embodiment of the present invention.

Fig. 2 is a schematic view illustrating an installation of the jig for assembling and fixing on a frame according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a plastic bag handle with a cut-off nozzle according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a jig for assembly and fixation according to an embodiment of the present invention.

Fig. 5 is a schematic view illustrating an installation of the blanking mechanism on the frame according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a blanking mechanism (excluding a material collecting groove) according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a stacking mechanism according to an embodiment of the present invention.

Fig. 8 is a side view of a stacking device according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a moving mechanism according to an embodiment of the present invention.

Fig. 10 is a schematic view of a partial structure of a removing mechanism according to an embodiment of the present invention.

In the figure:

1. a frame;

2. assembling a fixture for fixing; 21. a jig body; 22. an extension portion; 23. a first limiting part; 24. a second limiting part; 25. A third limiting part; 26. a first ejection bore; 27. a second ejection bore;

3. a first driving device; 31. a first motor; 32. a transmission gear; 33. a chain;

4. a material cutting mechanism; 41. a support frame; 411. a gantry support; 412. a support plate; 42. briquetting; 43. a cutter set; 44. a material pressing cylinder; 45. a first connecting member; 451. a first connecting plate; 452. a first guide post; 46. a second connecting member; 461. a second connecting plate; 462. a second guide post; 47. a material cutting cylinder; 48. a support plate; 481. hollowing out holes; 49. a material collecting groove;

5. a stacking mechanism; 51. a stacking device; 511. a bin floor; 512. a bin baffle; 513. avoiding holes; 514. a non-return portion; 5141. a pivot shaft; 5142. a check block; 5143. a first stopper; 515. a limiting plate; 52. an ejection device; 521. a driver; 522. a third connecting plate; 523. ejecting the rod; 524. fixing the mounting plate; 525. a third guide post;

6. a moving mechanism; 61. a second driving device; 611. a second motor; 612. a synchronous belt; 62. a fourth connecting plate; 63. mounting a plate; 64. a third driving device; 65. a sliding assembly; 651. a slide rail mounting plate; 652. a first slide rail; 653. a first slider; 66. a gripping device; 661. a clamping jaw; 6611. a fixing plate; 6612. a movable jaw; 6613. a sensor; 6614. a limiting pressure plate; 662. a fourth drive device; 663. a first intermediate connecting plate; 664. a second slide rail; 665. a second slider; 67. a fifth driving device; 681. a guide bar; 682. a slide plate; 691. a fourth guide post; 692. connecting columns; 693. a third intermediate connector;

7. a belt beating mechanism;

8. packing cases;

100. a plastic bag handle; 110. a cross bar; 120. a handle.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment, fig. 3 is a schematic structural view of a plastic bag handle 100 with a water gap cut away, and the plastic bag handle 100 includes a cross bar 110 and a handle 120 connected to the cross bar 110. The plastic bag handle 100 is formed by pressing two semi-finished workpieces from an injection molding machine, and redundant water ports are connected between the two pressed plastic bag handles 100, wherein the water ports are connecting pieces (not shown) between the cross bars 110 of the two plastic bag handles 100.

In this embodiment, the term "stacking mechanism" refers to a plastic bag handle stacking mechanism.

As shown in fig. 1 to 10, an embodiment of the present invention provides an automatic assembly packaging machine for plastic bag handles, including:

a frame 1;

the jig 2 for assembly and fixation is arranged on the frame 1, and the first driving device 3 can drive the jig 2 for assembly and fixation to move transversely, the jig 2 for assembly and fixation is used for fixing the plastic bag handle 100 connected through a water gap so as to prevent the plastic bag handle 100 from moving along the horizontal direction when the stacking material is cut off and ejected out at the subsequent water gap;

the cutting mechanism 4 is arranged on the rack 1, the cutting mechanism 4 is positioned above the jig 2 for assembly and fixation and is used for cutting off the water ports of the plastic bag handles 100 on the jig 2 for assembly and fixation, and the first driving device 3 can drive the jig 2 for assembly and fixation to move to the position right below the cutting mechanism 4 so that the cutting mechanism 4 can cut off the redundant water ports of the two plastic bag handles 100;

the stacking mechanism 5, the stacking mechanism 5 includes a stacking device 51 and an ejection device 52 which are installed on the frame 1, the ejection device 52 is located below the stacking device 51, the stacking device 51 and the cutting mechanism 4 are arranged at intervals along the transverse direction, when the jig 2 for assembling and fixing is driven to be right below the stacking device 51 by the first driving device 3, the ejection device 52 ejects the plastic bag handle 100 with the water gap cut off on the jig 2 for assembling and fixing into the stacking device 51, so that a plurality of plastic bag handles 100 are sequentially stacked from top to bottom;

the moving and taking mechanism 6 and the belt beating mechanism 7 are installed on the rack 1, the moving and taking mechanism 6 is located above the stacking device 51, when the plastic bag handles 100 stacked on the stacking device 51 reach a set number, the moving and taking mechanism 6 moves the plastic bag handles 100 to the belt beating mechanism 7 for belt beating, and moves the plastic bag handles 100 subjected to belt beating to the packing boxes 8 below the rack 1.

In this embodiment, first, two semi-finished workpieces from an injection molding machine are manually placed on the jig 2 for assembly and fixation to assemble the plastic bag handle 100; the first driving device 3 drives the jig 2 for assembly and fixation to move to the lower part of the cutting mechanism 4, and the cutting mechanism 4 cuts off redundant water gaps between the plastic bag handles 100 on the jig 2 for assembly and fixation; the first driving device 3 drives the jig 2 for assembly and fixation to move to the lower part of the stacking device 51, and the ejecting device 52 ejects the plastic bag handle 100 on the jig 2 for assembly and fixation to the stacking device 51; when ten plastic bag handles 100 are stacked on the stacking device 51, the moving mechanism 6 moves the ten plastic bag handles 100 to the taping mechanism 7 for taping, and after taping is completed, the plastic bag handles 100 are moved into the packaging box 8 below the rack 1, so that the assembly and bundling of the plastic bag handles 100 are automatically completed. Compared with the prior art, the automatic plastic bag handle assembling and packaging machine of the embodiment can improve the assembling efficiency of the plastic bag handle 100 and reduce the production cost of the plastic bag handle 100.

In this embodiment, as shown in fig. 2, the first driving device 3 includes a first motor 31, a transmission gear 32 and a chain 33, the first motor 31 is in transmission connection with the chain 33 through the transmission gear 32, two ends of the positioning fixture are fixedly connected with the chain 33, and the positioning fixture is driven by the first motor 31 to move to a corresponding station.

As shown in FIG. 4, the jig 2 for assembly and fixation comprises two positioning jigs which are arranged symmetrically and at intervals, the positioning jig comprises a jig body 21 and a plurality of extending portions 22 which are arranged at the inner side of the jig body 21 at intervals along the length direction of the jig body 21, a first limiting portion 23 is arranged above the extending portions 22 in a protruding manner, second limiting portions 24 which correspond to the first limiting portions 23 one by one are arranged on the upper surface of the jig body 21 at intervals along the length direction of the jig body 21 in a protruding manner, one side of the first limiting portion 23 close to the second limiting portion 24 is parallel to one side of the second limiting portion 24 close to the first limiting portion 23, the distance between the first limiting portion 23 and the second limiting portion 24 is matched with the width of the cross bar 110 of the plastic bag handle 100, therefore, semi-finished workpieces from the injection molding machine can be smoothly placed on the positioning jig, and meanwhile, the first limiting part 23 and the second limiting part 24 can limit the transverse movement of the plastic bag handle 100.

The upper surface of the jig body 21 is further provided with a third limiting part 25, the upper surface of the jig body 21 is provided with three second limiting parts 24 at intervals, the third limiting part 25 is positioned on one side, away from the first limiting part 23, of the second limiting part 24 and is adjacent to the second limiting part 24 positioned in the middle, and when the plastic bag handle 100 is positioned on the positioning jig, the third limiting part 25 is in contact with the inner side of the handle 120 of the plastic bag handle 100, so that the longitudinal movement of the plastic bag handle 100 can be limited.

Specifically, the number of the third limiting parts 25 is two, and the two third limiting parts 25 are inclined and symmetrically arranged relative to the second limiting part 24, in this embodiment, the third limiting part 25 is in point contact with the handle 120 of the plastic bag handle 100, and the first limiting part 23, the second limiting part 24 and the third limiting part 25 are combined, so that the horizontal degree of freedom of the plastic bag handle 100 on the positioning jig can be limited, and the material cutting efficiency of the subsequent material cutting mechanism 4 and the quality of the plastic bag handle 100 can be improved.

Further, the included angle between the third position-limiting portion 25 and the second position-limiting portion 24 is smaller than 90 ° to limit the movement of the plastic bag handle 100 along the length direction of the jig body 21.

In other embodiments of the present invention, the third position-limiting portion 25 is parallel to the second position-limiting portion 24, and both ends of the third position-limiting portion 25 along the length direction thereof are respectively in contact with the inner side of the handle 120 of the plastic bag handle 100.

In another embodiment of the present invention, three second limiting portions 24 are provided on the upper surface of the jig body 21 at intervals, and the second limiting portion 24 in the middle matches with the inner contour of the handle 120 of the plastic bag handle 100 to limit the horizontal degree of freedom of the plastic bag handle 100 in the jig body 21.

The jig body 21 is provided with a plurality of ejection holes at intervals, each ejection hole comprises at least two first ejection holes 26 and at least one second ejection hole 27, the first ejection holes 26 and the second ejection holes 27 penetrate through the jig body 21 along the thickness direction of the jig body 21 respectively, when the plastic bag handle 100 is positioned on the positioning jig, the first ejection holes 26 are positioned under the cross bar 110 of the plastic bag handle 100, and the second ejection holes 27 are positioned under the handle 120 of the plastic bag handle 100, so that the plastic bag handle 100 on the positioning jig can be ejected to the stacking device 51 for stacking through the ejection device 52.

A first ejecting hole 26 is respectively disposed between each first limiting portion 23 and the corresponding second limiting portion 24, the number of the second ejecting holes 27 is two, and the two second ejecting holes 27 are symmetrical with respect to the second limiting portion 24, so that the ejecting device 52 can smoothly eject the plastic bag handles 100 stacked on the positioning jig onto the stacking device 51.

As shown in fig. 5 and 6, the material cutting mechanism 4 includes a support frame 41 installed on the frame 1, a combined driving device and a material cutting driving device installed on the support frame 41, and two pressing blocks 42 and two groups of cutter groups 43 arranged side by side installed below the support frame 41, the cutter group 43 is located between the two pressing blocks 42, the combined driving device is connected with the two pressing blocks 42 through a first connecting piece 45 for driving the pressing blocks 42 to move up and down, the two groups of cutter groups 43 are connected with the material cutting driving device through a second connecting piece 46, each group of cutter group 43 includes a plurality of cutters, and the number of the cutters of each group of cutter group 43 is consistent with the number of connecting water gaps of the two plastic bag handles 100 from the injection molding machine. Before cutting, the semi-finished workpiece is pressed into two plastic bag handles 100 by the pressing block 42, and then the water gap between the two plastic bag handles 100 is cut by the cutter. Specifically, the cutter on each cutter set 43 can cut off the connecting nozzle of each plastic bag handle 100, thereby improving the processing efficiency and quality of the plastic bag handle 100.

Specifically, the inclined surface of the blade of the cutter is inclined toward the pressing piece 42 adjacent to the cutter, so that the connecting nozzle of each plastic bag handle 100 can be completely cut off.

The supporting frame 41 includes door-shaped brackets 411 installed on two sides of the frame 1 and supporting plates 412 fixed on the two door-shaped brackets 411, the combined driving device includes two material pressing cylinders 44 installed on the supporting plates 412 at intervals, each first connecting member 45 includes a first connecting plate 451 and two first guiding pillars 452, a piston rod of each material pressing cylinder 44 is connected with one pressing block 42 through one first connecting plate 451, each first connecting plate 451 is connected with the supporting plate 412 through two first guiding pillars 452, and the two first guiding pillars 452 are symmetrically arranged on two sides of the material pressing cylinder 44 along the length direction of the first connecting plate 451. The pressing cylinder 44 can make the pressing blocks 42 smoothly press down on the plastic bag handles 100 on the positioning jig under the guiding action of the first guiding column 452, and each pressing block 42 corresponds to one plastic bag handle 100. Further, the length of the pressing block 42 is not less than that of the plastic bag handle 100, so that the two semi-finished workpieces can be completely pressed into the plastic bag handle 100.

In the above embodiment, each first connecting plate 451 is fixedly connected to its corresponding pressing block 42 by a plurality of screws.

The material cutting driving device is a material cutting cylinder 47, the material cutting cylinder 47 is installed on the supporting plate 412 and located between the two material pressing cylinders 44, the second connecting member 46 includes a second connecting plate 461 and two second guide posts 462, a piston rod of the material cutting cylinder 47 is connected with the cutter set 43 through the second connecting plate 461, the second connecting plate 461 is connected with the supporting plate 412 through the two second guide posts 462, and the two second guide posts 462 are symmetrically arranged on two sides of the material cutting cylinder 47 along the length direction of the second connecting plate 461. After the two semi-finished workpieces are completely pressed into the plastic bag handles 100 by the pressing block 42, the material cutting cylinder 47 drives the second connecting plate 461 to move downwards, and the water gap between the two plastic bag handles 100 is cut off by the cutter under the guiding action of the second guiding column 462.

In a further preferred embodiment of the present invention, when the pressing block 42 is pressed on the plastic bag handle 100 of the positioning jig, the lower end of the cutter group 43 is not in contact with the plastic bag handle 100, so that it is ensured that the water gap is cut after the pressing block 42 is pressed on the plastic bag handle 100. After the water gap is cut off, the material pressing cylinder 44 and the material cutting cylinder 47 reset respectively, and the first driving device 3 drives the positioning jig to move to the next station.

In this embodiment, in order to prevent the plastic bag handle 100 from being damaged when the pressing piece 42 is pressed down, a cushion pad is provided below the pressing piece 42.

The cutting mechanism 4 further comprises a supporting plate 48 for supporting and positioning the jig, the supporting plate 48 is mounted on the frame 1 and located below the supporting frame 41, and a hollow hole 481 for the cutter to pass through is formed in the supporting plate 48.

The number of the hollowed-out holes 481 is consistent with that of the cutters of each cutter group 43; or, the hollow hole 481 is a strip-shaped hole, and the length of the strip-shaped hole is not less than that of the cutter group 43, so that the cutter can smoothly pass through the positioning jig without damaging the positioning jig.

The cutting mechanism 4 further comprises a material collecting groove 49 for collecting the cut water gap, the material collecting groove 49 is obliquely arranged on the frame 1 and is positioned below the supporting plate 48, and the material collecting groove 49 partially extends out of the frame 1. In other embodiments, the trough 49 may be replaced by a collection box mounted to the frame 1 below the pallet 48.

As shown in fig. 7, the stacking device 51 is installed on the rack 1 and located right above the ejection device 52, the stacking device 51 includes a bin bottom plate 511 and a plurality of bin baffles 512 arranged on the bin bottom plate 511 at intervals, an avoiding hole 513 for the plastic bag handle 100 to pass through is arranged on the bin bottom plate 511, bin baffles 512 are respectively arranged on at least two opposite side hole walls of the bin bottom plate 511 and adjacent to the avoiding hole 513, each bin baffle 512 has an inner side wall close to the avoiding hole 513, the inner side wall of each bin baffle 512 is flush with the hole wall of one side of the avoiding hole 513, and a non-return portion 514 for preventing the plastic bag handle 100 pushed to the stacking device 51 from falling off from the avoiding hole 513 is arranged on the bin baffle 512. The plastic bag handle 100 is ejected out of the escape hole 513 by the ejector 52, falls back to the non-return portion 514, and is stacked in order by the bin barrier 512.

Specifically, as shown in fig. 8, the non-return portion 514 includes a non-return block 5142 mounted on the bin baffle 512 through a pivot shaft 5141, the non-return block 5142 is disposed adjacent to the bin bottom plate 511, a first limit block 5143 is disposed on a side of the non-return block 5142 close to the inner side wall of the bin baffle 512, the non-return block 5142 rotates clockwise around the pivot shaft 5141 to abut against the upper end of the first limit block 5143, and the non-return block 5142 may partially extend above the avoiding hole 513, when the plastic bag handle 100 is ejected out of the avoiding hole 513 from bottom to top, the non-return block 5142 rotates counterclockwise under the action of the pivot shaft 5141, after the plastic bag handle 100 is ejected, the non-return block 5142 rotates clockwise to abut against the upper end of the first limit block 5143, at this time, the ejector 52 resets, and the plastic bag handle 100 falls back on the non-return block 51.

Preferably, when the check block 5142 and the upper end of the first limit block 5143 are located, the check block 5142 is in a horizontal state, so that the load-bearing strength of the check block 5142 can be improved.

The stopping portion 514 further comprises a second limiting block, the second limiting block is located obliquely above the stopping block 5142 to limit the counterclockwise rotation angle of the stopping block 5142 to be not more than 90 °, so that the stopping block 5142 can rotate clockwise after rotating counterclockwise and then naturally rotate clockwise to abut against the upper end of the first limiting block 5143.

In another embodiment of the present invention, it is substantially the same as the above-described embodiment except for the structure of the check portion 514. Specifically, the mounting groove is opened on the inside wall of the bin baffle 512 and adjacent to the bin bottom plate 511, the non-return part 514 includes a spring and a non-return rod, one end of the spring is fixedly connected with the bottom of the mounting groove, the other end is fixedly connected with the non-return rod, the spring makes the non-return rod always have a trend of moving towards the outside of the mounting groove, one end of the non-return rod away from the spring has a guide inclined plane, when the ejection device 52 ejects the plastic bag handle 100, the plastic bag handle 100 contacts with the guide inclined plane and makes the non-return rod return to the mounting groove.

The number of the avoiding holes 513 is two, the two avoiding holes 513 are arranged at intervals and symmetrically, and a plurality of bin baffles 512 are arranged on the bin bottom plate 511 and adjacent to the side wall of each avoiding hole 513. Specifically, the outlines of the avoiding holes 513 are matched with the outlines of the plastic bag handles 100, and when the positioning jig moves to a position right below the stacking device 51, the two avoiding holes 513 are respectively located right above the two plastic bag handles 100.

The stacking device 51 further includes two limiting plates 515 disposed on the bin bottom plate 511, and the two limiting plates 515 are respectively located at two ends of the avoiding hole 513 along the length direction thereof. Therefore, when the ejector 52 ejects the plastic bag handle 100 from the positioning jig, the plastic bag handles 100 stacked on the stacking device 51 can be completely overlapped and aligned, thereby improving the packing and bundling quality of the plastic bag handles 100.

The ejector 52 comprises a sensor installed below the frame 1, a driver 521 and a plurality of ejector rods 523 connected with the driver 521 through a third connecting plate 522, and when the sensor detects that the positioning jig moves to a position right below the stacking device 51, the driver 521 drives the ejector rods 523 to penetrate through ejector holes in the positioning jig to eject the plastic bag handles 100 on the positioning jig.

In this embodiment, all the driving devices are provided with corresponding sensors, and the corresponding driving devices are triggered and driven by the sensing of the sensors, which is not described in detail.

The rack 1 is provided with a fixed mounting plate 524, the driver 521 is an air cylinder, the air cylinder is mounted below the fixed mounting plate 524, a piston rod of the air cylinder is connected with the ejector rod 523 through a third connecting plate 522, specifically, a lower surface of the third connecting plate 522 is connected with the piston rod of the air cylinder, an upper surface of the third connecting plate 522 is connected with the ejector rod 523, and a position of the ejector rod 523 corresponds to a position of an ejection hole on the positioning jig one to one.

The fixed mounting plate 524 is provided with two third guide posts 525 at intervals along the length direction thereof, the two third guide posts 525 are symmetrical relative to the piston rod of the cylinder, the third guide posts 525 penetrate through the third connecting plate 522, and the third connecting plate 522 can move up and down along the length direction of the third guide posts 525.

As shown in fig. 9 and 10, the removing mechanism 6 includes:

a second driving device 61 mounted on the frame 1 and a fourth connecting plate 62 connected with the second driving device 61, wherein the second driving device 61 can drive the fourth connecting plate 62 to move transversely;

a mounting plate 63 positioned below the fourth connecting plate 62, wherein a third driving device 64 is respectively mounted at two ends of the mounting plate 63, the third driving device 64 is connected with the fourth connecting plate 62 through a sliding assembly 65, and the third driving device 64 can drive the mounting plate 63 to move up and down;

two gripping devices 66 spaced and symmetrically disposed below the mounting plate 63, the gripping devices 66 including two jaws 661 and a fourth driving device 662 connected to the jaws 661, the fourth driving device 662 driving the jaws 661 to selectively grip the plastic bag handle 100;

a fifth driving means 67 is installed above the mounting plate 63, and the fifth driving means 67 is connected to one of the gripping means 66 to drive the gripping means 66 to move away from the other gripping means 66.

The working principle of the moving mechanism 6 of the embodiment is as follows: in the initial state, the fourth driving device 662 enables the clamping jaws 661 to be in an open state, the third driving device 64 drives the mounting plate 63 to drive the two clamping devices 66 to move downwards, then the fourth driving device 662 drives the clamping jaws 661 to clamp the plastic bag handles 100 (one group of ten plastic bag handles 100), and the third driving device 64 is reset to enable the clamping jaws 661 to clamp the plastic bag handles 100 and then move upwards; the second driving device 61 drives the fourth connecting plate 62 to drive the clamping device with the plastic bag handle 100 to integrally move to the belt beating area of the belt beating mechanism 7; the fifth driving device 67 drives one of the clamping devices 66 to move, so that the clamping jaws 661 of the two clamping devices 66 are separated by a certain distance, the cylinders of the two taping mechanisms 7 work to enable the two taping machines to be respectively positioned at two ends (length direction) of one group of plastic bag handles 100 for taping treatment, and the cylinders of the two taping mechanisms 7 drive the taping machines to return to the initial positions after taping is completed; the second driving device 61 drives the other clamping device 66 to move, so that the group of plastic bag handles 100 clamped by the clamping jaws 661 moves to the belt beating area, the cylinders of the two belt beating mechanisms 7 work to enable the two belt beating machines to be respectively positioned at the two ends (length direction) of the group of plastic bag handles 100 for belt beating treatment, and the cylinders of the two belt beating mechanisms 7 drive the belt beating machines to return to the initial positions after the belt beating is completed; the fourth driving device 662 retracts to reset, the two clamping jaws 661 open, and the two groups of plastic bag handles 100 which are tied naturally fall into the lower packing box 8; the entire removing mechanism 6 is reset to wait for the removal of the plastic bag handles 100 stacked in a group.

Wherein, the frame 1 is provided with two guide bars 681 with a length extending along the transverse direction and a sliding plate 682 slidably connected with the guide bars 681 at intervals, the sliding plate 682 is fixedly connected with the fourth connecting plate 62, the two guide bars 681 are located at two sides of the fourth connecting plate 62 along the width direction thereof, the second driving device 61 comprises a second motor 611 mounted on the frame 1 and a synchronous belt 612 connected with the second motor 611, the synchronous belt 612 is fixedly connected with one of the sliding plates 682, so that the whole moving mechanism 6 (excluding the second driving device 61) can be driven by the second motor 611 to transversely move between the stacking mechanism 5 and the belt beating mechanism 7.

Each sliding assembly 65 comprises a sliding rail mounting plate 651 mounted at the end of the fourth connecting plate 62, two first sliding rails 652 mounted on the sliding rail mounting plate 651 at intervals, and two first sliding blocks 653 in sliding fit with the first sliding rails 652, wherein the first sliding blocks 653 are mounted on the fourth connecting plate 62 through first intermediate connecting members, the third driving device 64 is a first air cylinder, and the first air cylinder is connected with the sliding rail mounting plate 651 through second intermediate connecting members.

Because the fourth connecting plate 62 is fixed vertically, when the piston rod of the first cylinder extends out, the first cylinder drives the mounting plate 63 to move down, so that the two clamping devices 66 move to the stacking mechanism 5, and the plastic bag handles 100 stacked in groups on the stacking mechanism 5 can be clamped conveniently; when the piston rod of the first cylinder retracts, the first cylinder drives the mounting plate 63 to move upwards.

The first cylinder is located between the two first intermediate connections.

The clamping device 66 further comprises a first intermediate connecting plate 663, the first intermediate connecting plate 663 is mounted below the mounting plate 63 through a third intermediate connecting piece 693, the fourth driving device 662 is a second air cylinder mounted below the first intermediate connecting plate 663, the clamping jaw 661 comprises a fixed plate 6611 arranged at one end of the first intermediate connecting plate 663 close to the other clamping device 66 and a movable jaw 6612 connected with the second air cylinder, and the second air cylinder can drive the movable jaw 6612 to move towards a direction close to or away from the fixed plate 6611.

The gripping device 66 further includes a second slide rail 664 disposed below the first intermediate connecting plate 663 and a second slide block 665 slidably engaged with the second slide rail 664, wherein the second slide block 665 is fixedly connected to the movable claw 6612.

The movable claw 6612 includes a first connecting portion, a second connecting portion and a third connecting portion which are vertically connected in sequence, the first connecting portion and the third connecting portion are located on two sides of the second connecting portion, the first connecting portion is connected with the second slider 665 and the second cylinder respectively, and the second cylinder can drive the third connecting portion to abut against the fixing plate 6611.

The jaw 661 further includes a sensor 6613 mounted on the fixed plate 6611.

Specifically, the fixing plate 6611 is provided with a mounting hole along the thickness direction thereof, and the sensor 6613 is mounted in the mounting hole.

A limit pressure plate 6614 is arranged on one side of the fixed plate 6611 close to the movable claw 6612.

When the first cylinder drives the clamping device 66 to move down to the stacking mechanism 5 and the limiting pressure plate 6614 presses against the stacked group of plastic bag handles 100, the sensor 6613 detects the plastic bag handle 100 on the stacking mechanism 5, and triggers the second cylinder to drive the movable jaws 6612 to move towards the fixed plate 6611, so as to clamp the stacked group of plastic bag handles 100.

The fifth driving device 67 is a third air cylinder, two fourth guide posts 691 with lengths extending along the transverse direction are arranged below the mounting plate 63 at intervals, two connecting posts 692 are arranged above the first middle connecting plate 663 of the clamping device 66 close to the strapping mechanism 7 at intervals, guide holes for the fourth guide posts 691 to pass through are formed in the connecting posts 692, the connecting posts 692 are fixedly connected with the first middle connecting plate 663 of the clamping device 66, and the third air cylinder is connected with the first middle connecting plate 663 of the clamping device 66 through a third middle connecting piece 693.

In this embodiment, the tape-driving mechanism 7 belongs to the prior art, and is not described herein again.

The mounting plate 63 is transversely provided with elongated avoidance holes for the third intermediate connecting members 693 to pass through, and the thickness of the third intermediate connecting members 693 is smaller than the width of the elongated avoidance holes.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims (10)

1. A plastic bag handle stacking mechanism is characterized by comprising a stacking mechanism;

the ejection device is arranged on the rack provided with the positioning jig, and when the positioning jig moves right above the ejection device, the ejection device can eject the plastic bag handle on the positioning jig upwards;

the stacker device, the stacker device install in the frame and be located ejecting device is directly over, the stacker device includes feed bin bottom plate and a plurality of feed bin baffle, be provided with on the feed bin bottom plate and supply the plastic bag handle to pass dodge the hole, just be close to on the feed bin bottom plate dodge the at least relative both sides pore wall punishment in hole and do not be provided with the feed bin baffle, the feed bin baffle has and is close to dodge the inside wall in hole, each the feed bin baffle the inside wall with dodge one of them side pore wall parallel and level in hole, be provided with on the feed bin baffle and be used for preventing to push away to the plastic bag handle of stacker device by dodge the non return portion that the hole dropped.

2. The plastic bag handle stacking mechanism according to claim 1, wherein the non-return portion comprises a non-return block mounted on the bin baffle through a pivot shaft, the non-return block is arranged adjacent to the bin bottom plate, a first limit block is arranged on one side of the inner side wall of the bin baffle close to the non-return block, and the non-return block can partially extend to the upper side of the avoiding hole when the non-return block rotates clockwise around the pivot shaft to abut against the upper end of the first limit block.

3. The plastic bag handle stacking mechanism of claim 2, wherein the non-return portion further comprises a second stop block located diagonally above the non-return block to limit the non-return block from rotating counterclockwise by an angle no greater than 90 °.

4. The plastic bag handle stacking mechanism according to claim 1, wherein a mounting groove is formed on the inner side wall of the bin baffle plate and adjacent to the bin bottom plate, the non-return portion comprises a spring and a non-return rod, one end of the spring is fixedly connected with the bottom of the mounting groove, the other end of the spring is fixedly connected with the non-return rod, the spring enables the non-return rod to always have a tendency of moving towards the outside of the mounting groove, one end of the non-return rod, which is far away from the spring, is provided with a guide inclined surface, and when the ejection device ejects the plastic bag handle, the plastic bag handle is in contact with the guide inclined surface and enables the non-return rod to return into the mounting groove.

5. The plastic bag handle stacking mechanism according to claim 1, wherein the number of the avoiding holes is two, two of the avoiding holes are spaced and symmetrically arranged, and a plurality of bin baffles are arranged on the bin bottom plate and adjacent to the side walls of each avoiding hole.

6. The plastic bag handle stacking mechanism according to claim 1, further comprising two limiting plates disposed on the bin bottom plate, wherein the two limiting plates are respectively located at two ends of the avoiding hole along the length direction thereof.

7. The plastic bag handle stacking mechanism according to claim 1, wherein the ejection device comprises a sensor installed below the rack, a driver, and a plurality of ejection rods connected with the driver through a third connecting plate, and when the sensor detects that the positioning fixture moves to a position right below the stacking device, the driver drives the ejection rods to penetrate through ejection holes on the positioning fixture to eject the plastic bag handle on the positioning fixture.

8. The plastic bag handle stacking mechanism of claim 7, wherein the frame is provided with a fixed mounting plate, the actuator is a cylinder, the cylinder is mounted below the fixed mounting plate, and a piston rod of the cylinder is connected to the ejector rod through the third connecting plate.

9. The plastic bag handle stacking mechanism of claim 8, wherein the mounting plate is provided with two third guide posts spaced apart along the length thereof, the two third guide posts being symmetrical with respect to the piston rod of the cylinder, the third guide posts passing through the third connecting plate, the third connecting plate being movable up and down along the length of the third guide posts.

10. An automatic assembly packaging machine for plastic bag handles, characterized by comprising the plastic bag handle stacking mechanism of any one of claims 1 to 9.

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