CN210212939U - Bag clamping and conveying mechanism - Google Patents
Bag clamping and conveying mechanism Download PDFInfo
- Publication number
- CN210212939U CN210212939U CN201921049547.5U CN201921049547U CN210212939U CN 210212939 U CN210212939 U CN 210212939U CN 201921049547 U CN201921049547 U CN 201921049547U CN 210212939 U CN210212939 U CN 210212939U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- bag
- bag opening
- clamping hand
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Supplying Of Containers To The Packaging Station (AREA)
Abstract
The utility model discloses a bag clamping conveying mechanism, which comprises a frame, conveying mechanism and set up the tong subassembly that is used for conveying the sack on conveying mechanism, conveying mechanism includes the sprocket, the chain and be used for driving sprocket pivoted sprocket driving motor, the tong subassembly includes A type tong subassembly and B type tong subassembly, A type tong subassembly uses one or more to be a set of, B type tong subassembly uses one or more to be a set of, the quantity of A type tong subassembly is the same with the quantity of B type tong subassembly in every group, and regard as the unit with the group, A type tong subassembly arranges with B type tong subassembly interval. The utility model can realize continuous and rapid conveying of the packaging bags, so that the packaging machine can reach a faster working speed, and the working efficiency is greatly improved; the distance between the clamping hands of the clamping hand assembly is adjusted through the control of the guide rail mechanism, the actions of opening and closing the bag and the like are completed, and the whole structure is compact.
Description
Technical Field
The utility model relates to the technical field of packaging machinery, especially, relate to bag clamping and conveying mechanism.
Background
In the packagine machine field, especially among the horizontal packagine machine, the sack needs to convey between each station, the bag transport mechanism among the current horizontal packagine machine is mostly through fixing, remove two-layer a plurality of clips, the conveying of sack is realized through the removal of different switching chronogenesis and removal clip, because the restriction of structure, this kind of transmission is the linear type mostly, can only transmit a section distance with the sack straight line, can't reach too high transfer rate because problem such as action range and clip self weight, and during operation, interval between the clip is fixed, need unscrew the bolt when needing to trade other width sacks of other width, the adjustment distance, it is screwed up again, long time, low efficiency, and the device occupies the effective working space of sack bigger, influence the realization of other application function, for example beat sign indicating number position limited etc..
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point, provide and press from both sides bag transport mechanism to effectively solve the weak point that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the bag clamping and conveying mechanism comprises a rack, a conveying mechanism and clamping hand assemblies arranged on the conveying mechanism and used for conveying bags, wherein the conveying mechanism comprises a chain wheel, a chain and a chain wheel driving motor used for driving the chain wheel to rotate, each clamping hand assembly comprises an A-type clamping hand assembly and a B-type clamping hand assembly, one or more A-type clamping hand assemblies are used as one group, one or more B-type clamping hand assemblies are used as one group, the number of the A-type clamping hand assemblies in each group is the same as that of the B-type clamping hand assemblies in each group, and the A-type clamping hand assemblies and the B-type clamping hand assemblies are arranged at intervals by taking the groups as units;
the A-type clamping hand assembly comprises a first mounting seat, a first left clamping hand, a first right clamping hand and a first clamping hand interval adjusting mechanism, the first mounting seat is fixedly arranged on a chain, the first left clamping hand and the first right clamping hand are arranged on the first mounting seat in a sliding mode through a first sliding rail, a first left sliding block and a first right sliding block, the first left clamping hand and the first right clamping hand are arranged in parallel and oppositely, the first clamping hand interval adjusting mechanism comprises a first left swing block and a first right swing block which are rotatably arranged on the first mounting seat, the first left swing block and the first right swing block are connected through first meshing teeth in a meshing mode, the tops of the first left swing block and the first right swing block are hinged to the first left sliding block and the first right sliding block respectively, a first supporting wheel is arranged at the bottom of the first left swing block, and a first reset spring is connected between the first left swing block and the first right swing block;
the B-type clamping hand assembly comprises a second mounting seat, a second left clamping hand, a second right clamping hand and a second clamping hand interval adjusting mechanism, the second mounting seat is fixedly arranged on the chain, the second left clamping hand and the second right clamping hand are arranged on the second mounting seat in a sliding mode through a second sliding rail, a second left sliding block and a second right sliding block, the second left clamping hand and the second right clamping hand are arranged in parallel and oppositely, the second clamping hand interval adjusting mechanism comprises a second left swinging block and a second right swinging block which are rotatably arranged on the second mounting seat, the second left swinging block and the second right swinging block are connected through second meshing teeth in a meshing mode, the tops of the second left swinging block and the second right swinging block are hinged with the second left sliding block and the second right sliding block respectively, a second supporting wheel is arranged at the bottom of the second left swinging block, and a second reset spring is connected between the second left swinging block and the second right swinging block;
on the horizontal projection plane, the motion trail of the first supporting wheel is positioned at the outer side of the motion trail of the second supporting wheel;
the rack is provided with a guide rail mechanism which is used for being matched with the first supporting wheel and the second supporting wheel to realize the action control of the A-type clamping hand assembly and the B-type clamping hand assembly.
Further, a first left connecting plate and a first right connecting plate are fixedly arranged at the bottoms of the first left swing block and the first right swing block respectively, and the first return spring is connected between the first left connecting plate and the first right connecting plate; the bottom of the second left swing block and the bottom of the second right swing block are respectively and fixedly provided with a second left connecting plate and a second right connecting plate, and the second reset spring is connected between the second left connecting plate and the second right connecting plate.
Further, the guide rail mechanism comprises a bag opening contraction guide rail, a bag opening keeping guide rail and a bag opening leveling guide rail;
the bag mouth contraction guide rail comprises a bag mouth contraction outer guide rail and a bag mouth contraction inner guide rail, and the bag mouth contraction outer guide rail and the bag mouth contraction inner guide rail are arranged on the rack in a way of being capable of alternately ascending and descending through a first driving mechanism;
the bag opening and holding guide rail comprises an outer bag opening and holding guide rail and an inner bag opening and holding guide rail which are arranged on the rack;
the bag opening leveling guide rails comprise bag opening leveling outer guide rails and bag opening leveling inner guide rails, and the bag opening leveling outer guide rails and the bag opening leveling inner guide rails are arranged on the rack in a way of being capable of lifting alternately through a second driving mechanism;
the bag mouth contracts the outer guide rail, opens the bag and keeps outer guide rail and bag mouth and flare-up outer guide rail and first supporting wheel's removal route corresponding, bag mouth contracts the inner rail, opens the bag and keeps inner guide rail and bag mouth and flare-up inner guide rail and second supporting wheel's removal route corresponding.
Further, when the bag opening contraction outer guide rail and the bag opening contraction inner guide rail move to upper limit positions, the top surfaces of the bag opening contraction outer guide rail and the bag opening contraction inner guide rail are respectively level with the top surfaces of the bag opening keeping outer guide rail and the bag opening keeping inner guide rail; when the bag opening leveling outer guide rail and the bag opening leveling inner guide rail move to the upper limit position, the top surfaces of the bag opening leveling outer guide rail and the bag opening leveling inner guide rail are respectively level with the top surfaces of the bag opening keeping outer guide rail and the bag opening keeping inner guide rail.
Further, first actuating mechanism includes mounting bracket, horizontal lead screw, first driving motor and triangle-shaped pendulum piece, the mounting bracket is fixed to be set up in the frame, and horizontal lead screw passes through the rotatable setting of first driving motor drive on the mounting bracket, the bottom of triangle-shaped pendulum piece articulates there is the drive block, but the setting of drive block horizontal migration is on the mounting bracket, and the horizontal lead screw of cooperation is provided with the screw hole on the drive block, rotate with the mounting bracket in the middle of the top of triangle-shaped pendulum piece and be connected, and the top both ends of triangle-shaped pendulum piece articulate respectively has left traction lever and right traction lever, and the other end of left traction lever and right traction lever is articulated with sack shrink outer guide rail and sack shrink inner guide rail respectively.
Further, the structure of the second driving mechanism is the same as that of the first driving mechanism.
Furthermore, the bag opening and holding outer guide rail and the bag opening and holding inner guide rail are arranged on the frame in a position-adjustable manner through a height adjusting mechanism.
Further, height adjusting mechanism includes crane, lift driving motor and vertical lead screw, it keeps outer guide rail and opens the bag and keeps the fixed setting of inner guide rail on the crane to open the bag, cooperation crane is provided with vertical guide rail in the frame, vertical lead screw rotates and sets up in the frame, and cooperation vertical lead screw is provided with the screw hole on the crane, lift driving motor is fixed to be set up in the frame, and lift driving motor's output shaft passes through the hold-in range and is connected with vertical lead screw.
A bag clamping conveying method adopting the bag clamping conveying mechanism comprises the following steps:
the conveying mechanism carries out clamping and conveying of the packaging bag through the clamping hand assembly in a stepping mode;
firstly, a bag opening contraction outer guide rail is located at a lower limit position, a bag opening contraction inner guide rail is located at an upper limit position, the bag opening contraction inner guide rail is flush with a bag opening keeping inner guide rail, an A-type clamping hand assembly moves to the upper side of the bag opening contraction guide rail under the driving of a conveying mechanism, a first supporting wheel is just located right above the bag opening contraction outer guide rail, then the bag opening contraction outer guide rail rises to the upper limit position and is flush with the bag opening keeping outer guide rail, the bag opening contraction inner guide rail descends to the lower limit position, and in the process of rising of the bag opening contraction outer guide rail, the bag opening contraction outer guide rail pushes the first supporting wheel upwards, so that a first left clamping hand and a first right clamping hand are close to each other, namely, the closing action of a packaging bag clamped on the A-type clamping hand assembly is completed;
the conveying mechanism continues stepping, so that the A-type clamping hand assembly moves to the position above the bag opening holding guide rail, the first supporting wheel always abuts against the bag opening holding outer guide rail, and the A-type clamping hand assembly always maintains a certain state when moving on the bag opening holding guide rail due to the fixed position of the bag opening holding guide rail;
when the A-type gripper assembly moves to the position above the bag opening holding guide rail, the B-type gripper assembly moves to the position above the bag opening contraction guide rail, the second support wheel is just positioned right above the bag opening contraction inner guide rail, then the bag opening contraction inner guide rail rises to the upper limit position and is flush with the bag opening holding inner guide rail, the bag opening contraction outer guide rail descends to the lower limit position, the bag opening contraction inner guide rail pushes the second support wheel upwards in the rising process of the bag opening contraction inner guide rail, and then the second left gripper and the second right gripper are close to each other, namely the closing-up action of the packaging bags clamped on the B-type gripper assembly is completed;
the conveying mechanism continues stepping, so that the B-type clamping hand assembly moves to the position above the bag opening retaining guide rail, the second supporting wheel always abuts against the bag opening retaining inner guide rail, and the position of the bag opening retaining guide rail is fixed, so that the B-type clamping hand assembly always maintains a certain state when moving on the bag opening retaining guide rail;
the continuous bag opening action is completed through the action relay of the A-type clamping hand assembly and the B-type clamping hand assembly;
in an initial state, the bag opening leveling outer guide rail is positioned at an upper limit position, the bag opening leveling outer guide rail is flush with the bag opening keeping outer guide rail, and the bag opening leveling inner guide rail is positioned at a lower limit position;
after the conveying mechanism continues to step for a plurality of stations, the A-type clamping hand assembly moves to the position above the bag opening leveling guide rail, the first supporting wheel directly moves to the bag opening leveling outer guide rail from the bag opening maintaining outer guide rail, then the bag opening leveling outer guide rail descends to the lower limit position, the bag opening leveling inner guide rail ascends to the upper limit position and is flush with the bag opening maintaining inner guide rail, the bag opening leveling outer guide rail is separated from the constraint of the first supporting wheel in the descending process, the first left clamping hand and the first right clamping hand are separated from each other and recover to the initial position under the action of the first return spring, and therefore the bag opening leveling action of the packaging bags clamped on the A-type clamping hand assembly is completed;
the conveying mechanism continues stepping to enable the A-type clamping hand assembly to leave the bag opening leveling guide rail and convey to a next station;
when the A-type clamping hand assembly leaves the bag opening leveling guide rail, the B-type clamping hand assembly moves to the position above the bag opening leveling guide rail, the second support wheel directly moves from the bag opening keeping inner guide rail to the bag opening leveling inner guide rail, then the bag opening leveling inner guide rail descends to the lower limit position, the bag opening leveling outer guide rail ascends to the upper limit position and is flush with the bag opening keeping outer guide rail, the bag opening leveling inner guide rail is separated from the constraint of the second support wheel in the descending process, and under the action of a second reset spring, a second left clamping hand and a second right clamping hand are mutually separated and recover to the initial position, namely the bag opening leveling action of the packaging bag clamped on the B-type clamping hand assembly is completed;
the continuous bag opening leveling action is completed through the action relay of the A-type clamping hand assembly and the B-type clamping hand assembly.
The above technical scheme of the utility model following beneficial effect has: the utility model can realize continuous and rapid conveying of the packaging bags, so that the packaging machine can reach a faster working speed, and the working efficiency is greatly improved; the distance between the clamping hands of the clamping hand assembly is adjusted through the control of the guide rail mechanism, so that the actions of opening and closing the bag and the like are completed, the oblique streets among the actions are very consistent, and the whole structure is compact; the area of the bag held by the clamping hands is 60cm2The clamping area is very small, and other areas of the packaging bag are open, so that the effective space is saved to the maximum extent, and the realization of other functions such as code printing is facilitated; in the conveying process of the packaging bag, the clamping hands cannot be reversed, and the action accuracy of the packaging bag at each station is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a top view of a transfer mechanism according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a schematic perspective view of a gripper assembly according to an embodiment of the present invention;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a rear view of FIG. 5;
fig. 8 is a cross-sectional view of a first left gripper according to an embodiment of the present invention;
fig. 9 is a schematic perspective view of a gripper assembly according to embodiment B of the present invention;
FIG. 10 is a front view of FIG. 9;
FIG. 11 is a rear view of FIG. 9;
fig. 12 is a schematic structural view of the guide rail structure of the present invention;
FIG. 13 is an enlarged view of a portion of FIG. 12 at C;
fig. 14 is a schematic structural view of a first driving mechanism according to an embodiment of the present invention;
FIG. 15 is an enlarged view of a portion of FIG. 12 at D;
fig. 16 is a schematic structural view of a height adjusting structure according to an embodiment of the present invention;
fig. 17 is a schematic connection diagram of a synchronous belt in the height adjusting structure according to the embodiment of the present invention;
FIG. 18 is an enlarged view of a portion of FIG. 12 at E;
FIG. 19 is a schematic view of the structure of FIG. 12 from another perspective;
fig. 20 is a schematic view of the structure at F in fig. 19.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 20, the bag clamping conveying mechanism according to the embodiment includes a frame 1, a conveying mechanism 100, and a clamping hand assembly disposed on the conveying mechanism 100 and used for conveying bags, where the conveying mechanism 100 includes a sprocket 101, a chain 102, and a sprocket driving motor 103 for driving the sprocket 101 to rotate, the clamping hand assembly includes an a-type clamping hand assembly 200 and a B-type clamping hand assembly 300, each chain 102 is independently mounted with one a-type clamping hand assembly 200 or one B-type clamping hand assembly 300, one or more of the a-type clamping hand assemblies 200 are in a group, one or more of the B-type clamping hand assemblies 300 are in a group, the number of the a-type clamping hand assemblies 200 in each group is the same as the number of the B-type clamping hand assemblies in each group, and the a-type clamping hand assemblies 200 and the B-type clamping hand assemblies 300 are arranged at intervals in a group.
In the present embodiment, there are four a-type gripping assemblies 200 and four B-type gripping assemblies 300 in each set, that is, the a-type gripping assemblies 200 are installed on four continuous chains 102, and then the B-type gripping assemblies 300 are installed on four adjacent chains 102, so that they are installed alternately, as shown in fig. 3, there are 56 chains in total, that is, there are 7 sets of a-type gripping assemblies 200 and 7 sets of B-type gripping assemblies 300 in total alternately.
As shown in fig. 2, 5, 6, and 7, the a-type gripper assembly 200 includes a first mounting base 210, a first left gripper 220, a first right gripper 230, and a first gripper interval adjusting mechanism 240, the first mounting base 210 is fixed on the chain 102 by screws, the first left gripper 220 and the first right gripper 230 are slidably disposed on the first mounting base 210 by a first slide rail 250, a first left slider 260, and a first right slider 270, wherein the first left gripper 220 is fixedly connected to the first left slider 260, the first right gripper 230 is fixedly connected to the first right slider 270, the first slide rail 250 is fixed on the first mounting base 210, the first left slider 260 and the first right slider 270 are both provided with slide slots matching with the first slide rail 250, the first left gripper 220 is disposed opposite to the first right gripper 230, the first gripper interval adjusting mechanism 240 includes a first left swing block 241 and a first right swing block 242 rotatably disposed on the first mounting base 210, the first left swing block 241 and the first right swing block 242 are connected by meshing with the first meshing teeth 243 to realize synchronous swing of the first left swing block 241 and the first right swing block 242, the tops of the first left swing block 241 and the first right swing block 242 are respectively hinged with the first left slider 260 and the first right slider 270, the hinge structure comprises a first left shifting shaft 2411 and a first right shifting shaft 2421 which are respectively arranged on the first left swing block 241 and the first right swing block 242, the first left slider 260 and the first right slider 242 are respectively provided with a vertical shifting groove (not shown) matching with the first shifting shaft 2411 and the first right shifting shaft 2421, the bottom of the first left swing block 241 is provided with a first support wheel 244, the first support wheel 244 is a bearing wheel, a first return spring 245 is connected between the first left swing block 241 and the first right swing block 242, and the first support wheel 244 is pressed upwards by pressing the first support wheel 244, and reference is made in fig. 5-2426, first right pendulum piece 242 carries out anticlockwise swing in step, and then makes first left tong 220 and first right tong 230 remove and be close to each other along first slide rail 250, and first reset spring 245 is in the state of lengthening, and then realizes the wrapping bag and draws the transition of tie state to sack shrink state by the sack, and after the power of propping to press to first supporting wheel 244 disappears, under the pulling force of first reset spring 245, first left tong 220 and first right tong 230 resume to original state, and then realize again drawing the sack of wrapping bag tie, in order to satisfy the process needs.
As shown in fig. 5 and 8, each of the first left gripper 220 and the first right gripper 230 includes a gripper body 201 and a top bar 202, the top bar 202 is horizontally slidably disposed on the gripper body 201, a top block 203 is disposed on the gripper body 201 corresponding to an end of the top bar 202, a spring 204 is disposed between the gripper body 201 and the top bar 202, the spring 204 tends to force the top bar 202 to abut against the top block 204, the packaging bag is clamped as indicated by a dotted line in the figure, a toggle rod 205 for opening the top bar 202 is further disposed on the gripper body 201, a middle portion of the toggle rod 205 is rotatably disposed on the gripper body 201, teeth are disposed at a top end of the toggle rod 205, a rack structure engaged with the teeth is disposed on the top bar 205202, a push handle 1 is disposed at a bottom end of the toggle rod 205, through upwards promoting push handle 2051 for poker rod 205 drives ejector pin 202 and keeps away from kicking block 203, carry out the centre gripping of wrapping bag or release wrapping bag, a structure for promoting push handle 2051 is shown in fig. 3, it includes push rod 206, setting that push rod 206 can reciprocate through elevation structure is on frame 1, push rod 206 is located push handle 2051's removal orbit under, when first left tong 220 and first right tong 230 move to the push rod 206 top, push rod 206 rebound, and then open clamping structure, elevation structure is the pneumatic cylinder etc..
As shown in fig. 4, 9, 10 and 11, the B-type gripper assembly 300 includes a second mounting seat 310, a second left gripper 320, a second right gripper 330 and a second gripper spacing adjustment mechanism 340, the second mounting seat 310 is fixedly disposed on the chain 102, the second left gripper 320 and the second right gripper 330 are slidably disposed on the second mounting seat 310 through a second slide rail 350, a second left slider 360 and a second right slider 370, the second left gripper 320 and the second right gripper 330 are disposed in parallel and opposite, the second gripper spacing adjustment mechanism 340 includes a second left swing block 341 and a second right swing block 342 rotatably disposed on the second mounting seat 310, the second left swing block 341 and the second right swing block 342 are engaged and connected through a second engaging tooth 343, the top portions of the second left swing block 341 and the second right swing block 342 are respectively hinged to the second left slider 360 and the second right slider 370, the bottom portion of the second left swing block 344 is provided with a second support wheel 341, a second return spring 345 is connected between the second left swing block 341 and the second right swing block 342, and the structure of the components of the B-type gripper assembly 300 is completely the same except that the installation positions of the second support wheel 344 and the first support wheel 244 of the a-type gripper assembly are different.
Among them, the first support wheel 244 differs from the second support wheel 344 in that: in the horizontal projection plane, the movement locus of the first support wheel 244 is located outside the movement locus of the second support wheel 344, and the description is given with reference to fig. 5 to 6 and fig. 9 to 10, that is, the first support wheel 244 is installed on the front side and the second support wheel 344 is installed on the rear side.
The bottoms of the first left swing block 241 and the first right swing block 242 are respectively and fixedly provided with a first left connecting plate 246 and a first right connecting plate 247, and a first return spring 245 is connected between the first left connecting plate 246 and the first right connecting plate 247, as shown in fig. 7, two ends of the first return spring 245 are hooked on connecting rods respectively extending out of the first left connecting plate 246 and the first right connecting plate 247 through hooks; the bottoms of the second left swing block 341 and the second right swing block 342 are respectively and fixedly provided with a second left connecting plate 346 and a second right connecting plate 347, and the second return spring 345 is connected between the second left connecting plate 346 and the second right connecting plate 347, as shown in fig. 11, two ends of the second return spring 345 are hooked on the connecting rods respectively extending from the second left connecting plate 346 and the second right connecting plate 347 through hooks.
The frame 1 is provided with a guide rail mechanism for cooperating with the first support wheel 244 and the second support wheel 344 to realize the motion control of the a-type gripper assembly 200 and the B-type gripper assembly 300.
The guide rail mechanism comprises a bag opening contraction guide rail 400, a bag opening keeping guide rail 500 and a bag opening leveling guide rail 600.
The bag mouth contracting guide rails 400 comprise bag mouth contracting outer guide rails 410 and bag mouth contracting inner guide rails 420, the bag mouth contracting outer guide rails 410 and the bag mouth contracting inner guide rails 420 are arranged on the rack 1 in an up-and-down mode through a first driving mechanism 430, namely, under the driving of the first driving mechanism 430, the bag mouth contracting inner guide rails 420 descend while the bag mouth contracting outer guide rails 410 ascend, or the bag mouth contracting inner guide rails 420 ascend while the bag mouth contracting outer guide rails 410 descend.
The bag opening holding guide rail 500 comprises an outer bag opening holding guide rail 510 and an inner bag opening holding guide rail 520 which are arranged on the frame 1, the height of the outer bag opening holding guide rail 510 is the same as that of the inner bag opening holding guide rail 520, and the two are fixedly connected.
The bag mouth leveling guide rail 600 comprises a bag mouth leveling outer guide rail 610 and a bag mouth leveling inner guide rail 620, the bag mouth leveling outer guide rail 610 and the bag mouth leveling inner guide rail 620 are arranged on the rack 1 through a second driving mechanism 630 in a lifting and descending mode, namely, the bag mouth leveling inner guide rail 620 descends when the bag mouth leveling outer guide rail 610 ascends or the bag mouth leveling inner guide rail 620 ascends when the bag mouth leveling outer guide rail 610 descends under the driving of the second driving mechanism 630.
Pocket shrink outer guide 410, pocket open holder outer guide 510, and pocket leveling outer guide 610 correspond to a movement path of first support wheel 244, and pocket shrink inner guide 420, pocket open holder inner guide 520, and pocket leveling inner guide 620 correspond to a movement path of second support wheel 344.
When the bag mouth shrinkage outer guide rail 410 and the bag mouth shrinkage inner guide rail 420 move to the upper limit positions, the top surfaces of the bag mouth shrinkage outer guide rail 410 and the bag mouth shrinkage inner guide rail 420 are respectively level with the top surfaces of the bag opening keeping outer guide rail 510 and the bag opening keeping inner guide rail 520; when the bag-mouth-leveling outer rail 610 and the bag-mouth-leveling inner rail 620 move to the upper limit positions, the top surfaces of the bag-mouth-leveling outer rail 610 and the bag-mouth-leveling inner rail 620 are respectively level with the top surfaces of the bag-opening holding outer rail 510 and the bag-opening holding inner rail 520.
As shown in fig. 1, 13, and 14, the first driving mechanism 430 includes a mounting frame 431, a horizontal screw rod 432, a first driving motor 433, and a triangular swing block 434, the mounting frame 431 is fixedly disposed on the frame 1, the horizontal screw rod 432 is rotatably disposed on the mounting frame 431 by being driven by the first driving motor 433, wherein the first driving motor 433 is fixedly disposed on the mounting frame 431, an output shaft of the first driving motor 433 is coaxially and fixedly connected to the horizontal screw rod 432, two sides of the horizontal screw rod 432 are connected to the mounting frame 431 by bearings, the triangular swing block 434 is disposed in an inverted form, i.e., with a sharp corner facing downward, the triangular swing block 434 is an isosceles triangle, a driving block 435 is hinged to the bottom of the triangular swing block 434, the driving block 435 is disposed on the mounting frame 431 in a horizontally movable manner, a horizontal guiding structure (not shown) is disposed between the driving block 435 and the mounting frame 431, the horizontal guiding structure is, wherein the hinge structure of the triangular swing block 434 and the driving block 435 comprises a shifting shaft 4341 arranged on the triangular swing block 434 and a vertical shifting groove arranged on the driving block 435, the driving block 435 is matched with a horizontal screw rod 432 and is provided with a threaded hole, the middle of the top of the triangular swing block 434 is rotatably connected with a mounting frame 431, two ends of the top of the triangular swing block 434 are respectively hinged with a left traction rod 436 and a right traction rod 437, the other ends of the left traction rod 436 and the right traction rod 437 are respectively hinged with a bag mouth contraction outer guide rail 410 and a bag mouth contraction inner guide rail 420, vertical guide structures are respectively arranged between the bag mouth contraction outer guide rail 410, the bag mouth contraction inner guide rail 420 and the mounting frame 431, the vertical guide structures are vertical guide rods and vertical guide grooves, referring to fig. 13-14, a first driving motor 433 drives the horizontal screw rod 432 to rotate to drive the driving block 435 to move in the horizontal direction, and then the alternate lifting and lowering actions of the bag mouth contraction outer guide rail 410 and the bag mouth contraction inner guide rail 420 are completed through the left traction rod 436 and the right traction rod 437.
The structure of the second driving mechanism 630 is the same as that of the first driving mechanism 430, in this embodiment, the second driving mechanism 630 and the first driving mechanism 430 are completely symmetrical structures, and the bag mouth contracting outer rail 410, the bag mouth contracting inner rail 420 and the bag mouth leveling outer rail 610, and the bag mouth leveling inner rail 620 are also the same structures, that is, the structure principle of the bag mouth contracting rail 400 and the bag mouth leveling rail 600 is completely the same.
The bag opening holding outer guide rail 510 and the bag opening holding inner guide rail 520 are arranged on the frame 1 in a position-adjustable manner through the height adjusting mechanism 700, that is, according to the size of the packaging bag, the height positions of the bag opening holding outer guide rail 510 and the bag opening holding inner guide rail 520 can be adjusted, so that the action ranges of the a-type gripper assembly 200 and the B-type gripper assembly 300 are adjusted, and in order to be matched with the bag opening holding outer guide rail 510 and the bag opening holding inner guide rail 520 after the height adjustment, only the parameters of the driving motors in the first driving mechanism 430 and the second driving mechanism 630 need to be adjusted, that is, the swing range of the triangular swing block 434 is increased or decreased, so that the upper limit position of the corresponding guide rail is increased or decreased, and the upper limit position of the corresponding guide rail is made to be level with the adjusted bag opening holding guide.
As shown in fig. 12, 15, 16 and 17, the height adjusting mechanism 700 comprises a lifting frame 710, a lifting driving motor 720 and a vertical screw rod 730, the bag opening holding outer guide rail 510 and the bag opening holding inner guide rail 520 are fixedly arranged on the lifting frame 710, the frame 1 is provided with a vertical guide rail 740 in cooperation with the lifting frame 710, the lifting frame 710 adjusts the position up and down under the guidance of the vertical guide rail 740, the vertical screw rod 730 is rotatably arranged on the frame 1, the vertical screw rod 730 is symmetrically arranged at two positions with respect to the lifting frame 710, the lifting frame 710 is provided with a threaded hole in cooperation with the vertical screw rod 730, the lifting driving motor 720 is fixedly arranged on the frame 1, an output shaft of the lifting driving motor 720 is connected with the vertical screw rod 730 through a synchronous belt 750, wherein a driving wheel 721 is arranged on the output shaft of the lifting driving motor 720 in cooperation with the synchronous belt, the lifting driving motor 720 drives the vertical screw rods 730 at two sides to rotate through the synchronous belt 750, and further drives the lifting frame 710 to move up and down, so that the adjustment of the height positions of the outer guide rail 510 and the inner guide rail 520 is completed.
Further, a tension pulley 760 for adjusting the degree of tightness of the timing belt 750 may be provided outside the timing belt 750, and the position is as shown in fig. 17.
A bag clamping conveying method adopting the bag clamping conveying mechanism comprises the following steps:
the conveying mechanism 100 is used for clamping and conveying the packaging bag through the clamping hand assemblies in a stepping mode, and in the embodiment, since each group comprises four A-type clamping hand assemblies 200 and four B-type clamping hand assemblies 300, the stepping distance is the cloth pitch of the four clamping hand assemblies.
Firstly, the bag mouth contracting outer guide rail 410 is at a lower limit position, the bag mouth contracting inner guide rail 420 is at an upper limit position, the bag mouth contracting inner guide rail 420 is flush with the bag opening keeping inner guide rail 520, under the drive of the conveying mechanism 100, the A-type gripper assembly 200 moves to the upper part of the bag mouth contracting guide rail 400, namely, the four A-type gripper assemblies 200 are simultaneously positioned on the bag mouth contracting guide rail 400, the first supporting wheel 244 is just positioned right above the bag mouth contracting outer guide rail 410, then the bag mouth contracting outer guide rail 410 rises to the upper limit position and is flush with the bag opening keeping outer guide rail 510, the bag mouth contracting inner guide rail 420 descends to the lower limit position, in the process of rising of the bag mouth contracting outer guide rail 410, the bag mouth contracting outer guide rail 410 pushes the first supporting wheel 244 upwards, so that the first left gripper 220 and the first right gripper 230 are close to each other, namely, the action of the packaging bags clamped on the A-type gripper assembly 200 is completed, when carrying out the action of binding off, the sucking disc on the cooperation other equipment accomplishes the action of opening of sack, because the structure that sets up the sucking disc is prior art to it is irrelevant with the improvement of this application, so no longer describe repeatedly.
The conveying mechanism 100 continues to step, so that the a-type gripper assembly 200 moves to the position above the bag opening holding guide rail 500, the first support wheel 244 always abuts against the bag opening holding outer guide rail 510, and the position of the bag opening holding guide rail 500 is fixed, so that the a-type gripper assembly 200 always maintains a certain state when moving on the bag opening holding guide rail 500, and in this state, the processes such as filling can be completed.
While type a gripper assembly 200 is moved over pocket-opening retention rail 500, type B gripper assembly 300 is moved over pocket-opening retraction rail 400, i.e., four B-clamp assemblies 300 are simultaneously positioned over bag-opening retracting rails 400 and second support wheels 344 are positioned directly over bag-opening retracting inner rails 420, then bag-opening retracting inner rails 420 are raised to an upper limit position and are flush with bag-opening holding inner rails 520, bag-opening retracting outer rails 410 are lowered to a lower limit position, during the process that the bag-mouth contracting inner rail 420 ascends, the bag-mouth contracting inner rail 420 pushes the second support wheel 344 upwards, so that the second left gripper 320 and the second right gripper 330 approach each other, namely, the closing-up action of the packaging bag clamped on the B-shaped gripper assembly 300 is completed, and similarly, the opening action of the bag opening is completed by matching with the suction cups on other devices during the closing-up action.
The conveying mechanism 100 continues to step, so that the B-type gripper assembly 300 moves to the position above the bag opening holding guide rail 500, the second support wheels 344 always abut against the bag opening holding inner guide rail 520, and the position of the bag opening holding guide rail 500 is fixed, so that the B-type gripper assembly 300 always maintains a certain state when moving on the bag opening holding guide rail 500, and in the same way, the processes such as filling can be completed in the state.
The continuous bag opening action is completed through the action relay of the A-type gripper assembly 200 and the B-type gripper assembly 300, the whole bag opening process is continuous in action, and the working efficiency is high.
In the starting position, pocket-leveling outer rail 610 is in the upper limit position, and pocket-leveling outer rail 610 is flush with pocket-opening holding outer rail 510 and pocket-leveling inner rail 620 is in the lower limit position.
After the conveying mechanism 100 continues to step for several stations, the a-type gripper assemblies 200 move to the upper side of the bag opening leveling rail 600, that is, four a-type gripper assemblies 200 simultaneously move to the upper side of the bag opening leveling rail 600, and the first support wheels 244 directly move from the bag opening holding outer rail 510 to the bag opening leveling outer rail 610, and then the bag opening leveling outer rail 610 descends to the lower limit position, and the bag opening leveling inner rail 510 ascends to the upper limit position and is flush with the bag opening holding inner rail 520, and during the descending process of the bag opening leveling outer rail 610, the bag opening leveling outer rail is disengaged from the first support wheels 244, so that under the action of the first return spring 245, the first left gripper 220 and the first right gripper 230 are away from each other and return to the initial positions, that is, the bag opening leveling action, that is, the bag opening closing action of the bags clamped on the a-type gripper assemblies 200 is completed.
The transfer mechanism 100 continues to step so that the a-clamp assembly 200 moves away from the pocket leveling rail 600 and is transported to the next station.
While the a-type gripper assembly 200 leaves the pocket leveling guide 600, the B-type gripper assembly 300 moves to above the pocket leveling guide 600, that is, the four B-type gripper assemblies 300 move to above the pocket leveling guide 600 at the same time, and the second support wheel 344 moves from the pocket opening holding inner guide 520 directly to the pocket leveling inner guide 620, and then the pocket leveling inner guide 620 descends to the lower limit position, and the pocket leveling outer guide 610 ascends to the upper limit position and is flush with the pocket opening holding outer guide 510, and during the process of descending the pocket leveling inner guide 620, it is out of the constraint of the second support wheel 344, and further under the action of the second return spring 345, the second left gripper 320 and the second right gripper 330 move away from each other and return to the initial position, that is, the pocket leveling action, that is, the pocket closing action of the packing bag held on the B-type gripper assembly 300 is completed.
Continuous bag opening leveling action is finished through action relay of the A-type clamping hand assembly 200 and the B-type clamping hand assembly 300, the action of the whole bag opening leveling process is continuous, and the working efficiency is high.
The utility model can realize continuous and rapid conveying of the packaging bags, so that the packaging machine can reach a faster working speed, and the working efficiency is greatly improved; the distance between the clamping hands of the clamping hand assembly is adjusted through the control of the guide rail mechanism, so that the actions of opening and closing the bag and the like are completed, the oblique streets among the actions are very consistent, and the whole structure is compact; the area of the bag held by the clamping hands is 60cm2The clamping area is very small, and other areas of the packaging bag are open, so that the effective space is saved to the maximum extent, and the realization of other functions such as code printing is facilitated; in the conveying process of the packaging bag, the clamping hands cannot be reversed, and the action accuracy of the packaging bag at each station is ensured.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The bag clamping and conveying mechanism comprises a rack, a conveying mechanism and clamping hand assemblies arranged on the conveying mechanism and used for conveying bags, wherein the conveying mechanism comprises a chain wheel, a chain and a chain wheel driving motor used for driving the chain wheel to rotate;
the A-type clamping hand assembly comprises a first mounting seat, a first left clamping hand, a first right clamping hand and a first clamping hand interval adjusting mechanism, the first mounting seat is fixedly arranged on a chain, the first left clamping hand and the first right clamping hand are arranged on the first mounting seat in a sliding mode through a first sliding rail, a first left sliding block and a first right sliding block, the first left clamping hand and the first right clamping hand are arranged in parallel and oppositely, the first clamping hand interval adjusting mechanism comprises a first left swing block and a first right swing block which are rotatably arranged on the first mounting seat, the first left swing block and the first right swing block are connected through first meshing teeth in a meshing mode, the tops of the first left swing block and the first right swing block are hinged to the first left sliding block and the first right sliding block respectively, a first supporting wheel is arranged at the bottom of the first left swing block, and a first reset spring is connected between the first left swing block and the first right swing block;
the B-type clamping hand assembly comprises a second mounting seat, a second left clamping hand, a second right clamping hand and a second clamping hand interval adjusting mechanism, the second mounting seat is fixedly arranged on the chain, the second left clamping hand and the second right clamping hand are arranged on the second mounting seat in a sliding mode through a second sliding rail, a second left sliding block and a second right sliding block, the second left clamping hand and the second right clamping hand are arranged in parallel and oppositely, the second clamping hand interval adjusting mechanism comprises a second left swinging block and a second right swinging block which are rotatably arranged on the second mounting seat, the second left swinging block and the second right swinging block are connected through second meshing teeth in a meshing mode, the tops of the second left swinging block and the second right swinging block are hinged with the second left sliding block and the second right sliding block respectively, a second supporting wheel is arranged at the bottom of the second left swinging block, and a second reset spring is connected between the second left swinging block and the second right swinging block;
on the horizontal projection plane, the motion trail of the first supporting wheel is positioned at the outer side of the motion trail of the second supporting wheel;
the rack is provided with a guide rail mechanism which is used for being matched with the first supporting wheel and the second supporting wheel to realize the action control of the A-type clamping hand assembly and the B-type clamping hand assembly.
2. The bag clamping conveying mechanism according to claim 1, wherein a first left connecting plate and a first right connecting plate are fixedly arranged at the bottoms of the first left swing block and the first right swing block respectively, and the first return spring is connected between the first left connecting plate and the first right connecting plate; the bottom of the second left swing block and the bottom of the second right swing block are respectively and fixedly provided with a second left connecting plate and a second right connecting plate, and the second reset spring is connected between the second left connecting plate and the second right connecting plate.
3. The bag clamping and conveying mechanism according to claim 1, wherein the track mechanism comprises a bag opening contraction track, a bag opening holding track and a bag opening leveling track;
the bag mouth contraction guide rail comprises a bag mouth contraction outer guide rail and a bag mouth contraction inner guide rail, and the bag mouth contraction outer guide rail and the bag mouth contraction inner guide rail are arranged on the rack in a way of being capable of alternately ascending and descending through a first driving mechanism;
the bag opening and holding guide rail comprises an outer bag opening and holding guide rail and an inner bag opening and holding guide rail which are arranged on the rack;
the bag opening leveling guide rails comprise bag opening leveling outer guide rails and bag opening leveling inner guide rails, and the bag opening leveling outer guide rails and the bag opening leveling inner guide rails are arranged on the rack in a way of being capable of lifting alternately through a second driving mechanism;
the bag mouth contracts the outer guide rail, opens the bag and keeps outer guide rail and bag mouth and flare-up outer guide rail and first supporting wheel's removal route corresponding, bag mouth contracts the inner rail, opens the bag and keeps inner guide rail and bag mouth and flare-up inner guide rail and second supporting wheel's removal route corresponding.
4. A bag clamping and conveying mechanism according to claim 3, wherein when the bag opening contraction outer guide rail and the bag opening contraction inner guide rail move to the upper limit position, the top surfaces of the bag opening contraction outer guide rail and the bag opening contraction inner guide rail are respectively level with the top surfaces of the bag opening holding outer guide rail and the bag opening holding inner guide rail; when the bag opening leveling outer guide rail and the bag opening leveling inner guide rail move to the upper limit position, the top surfaces of the bag opening leveling outer guide rail and the bag opening leveling inner guide rail are respectively level with the top surfaces of the bag opening keeping outer guide rail and the bag opening keeping inner guide rail.
5. The bag clamping conveying mechanism according to claim 3, wherein the first driving mechanism comprises a mounting frame, a horizontal screw rod, a first driving motor and a triangular swing block, the mounting frame is fixedly arranged on the rack, the horizontal screw rod is rotatably arranged on the mounting frame through the driving of the first driving motor, a driving block is hinged to the bottom of the triangular swing block, the driving block can be horizontally arranged on the mounting frame in a moving mode, a threaded hole is formed in the driving block in a matching mode with the horizontal screw rod, the middle of the top of the triangular swing block is rotatably connected with the mounting frame, a left traction rod and a right traction rod are hinged to two ends of the top of the triangular swing block respectively, and the other ends of the left traction rod and the right traction rod are hinged to the bag opening contraction outer guide rail and the bag opening.
6. The bag transfer mechanism of claim 5, wherein the second drive mechanism is identical in construction to the first drive mechanism.
7. The bag clamping conveying mechanism according to claim 3, wherein the bag opening and holding outer guide rail and the bag opening and holding inner guide rail are arranged on the frame in a position-adjustable manner through a height adjusting mechanism.
8. The bag clamping conveying mechanism according to claim 7, wherein the height adjusting mechanism comprises a lifting frame, a lifting driving motor and a vertical screw rod, the bag opening keeping outer guide rail and the bag opening keeping inner guide rail are fixedly arranged on the lifting frame, the vertical guide rail is arranged on the rack in a matched mode, the vertical screw rod is rotatably arranged on the rack, a threaded hole is formed in the lifting frame in a matched mode, the lifting driving motor is fixedly arranged on the rack, and an output shaft of the lifting driving motor is connected with the vertical screw rod through a synchronous belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049547.5U CN210212939U (en) | 2019-07-08 | 2019-07-08 | Bag clamping and conveying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049547.5U CN210212939U (en) | 2019-07-08 | 2019-07-08 | Bag clamping and conveying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210212939U true CN210212939U (en) | 2020-03-31 |
Family
ID=69936276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921049547.5U Active CN210212939U (en) | 2019-07-08 | 2019-07-08 | Bag clamping and conveying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210212939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239778A (en) * | 2019-07-08 | 2019-09-17 | 铂锐软件(沧州)有限公司 | Folder bag transport mechanism and folder bag transfer approach |
-
2019
- 2019-07-08 CN CN201921049547.5U patent/CN210212939U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239778A (en) * | 2019-07-08 | 2019-09-17 | 铂锐软件(沧州)有限公司 | Folder bag transport mechanism and folder bag transfer approach |
| CN110239778B (en) * | 2019-07-08 | 2024-02-20 | 朗锐包装技术（沧州）有限公司 | Bag clamping conveying method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2522583B1 (en) | Transfer device for transferring empty flexible packages from a package row to two or more package rows applicable to an automatic packaging machine | |
| CN105035414A (en) | Bag taking and opening machine | |
| CN205972019U (en) | Two -sided plastic packagine machine | |
| CN210212939U (en) | Bag clamping and conveying mechanism | |
| US4316354A (en) | Apparatus for grouping and inserting objects into containers | |
| CN110239778B (en) | Bag clamping conveying method | |
| CN111977387B (en) | Frame separating mechanism | |
| CN113184302B (en) | Automatic vacuum packaging bag boxing method | |
| CN111924491B (en) | Automatic step-by-step material feeding unit of rib | |
| CN108945661A (en) | A kind of shaping recrater | |
| CN110816955A (en) | Material pushing device | |
| CN211110887U (en) | Vertical lifting pile inserting and stacking equipment | |
| CN210882860U (en) | Cement woven bag inserting machine | |
| CN208828245U (en) | A kind of shaping recrater | |
| CN108657516B (en) | Full-automatic bag taking and opening machine | |
| CN113443231A (en) | Positioning adjustment formula push mechanism that packagine machine used | |
| CN210653736U (en) | Intelligent automatic fungus packaging basket device | |
| CN205060150U (en) | Sack packagine machine capper | |
| CN209796877U (en) | Automatic stacking device | |
| CN110498074B (en) | Intelligent automatic fungus packaging basket device | |
| CN111232309B (en) | Double-station paper Bao Ping pocket intelligent bagging machine | |
| CN108792048B (en) | Automatic bag opening device and method of vacuum chuck | |
| CN220865822U (en) | Clamping jaw module and conveying mechanism | |
| CN112124683A (en) | Automatic box filling machine for blow-molded bottles | |
| CN210734638U (en) | Bag taking and feeding device of bag inserting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230731 Address after: 061000 No.1 Linhai Road, Yunhe Industrial Park, Yunhe District, Cangzhou City, Hebei Province Patentee after: EIAHE PACKAGING SYSTEM Co.,Ltd. Address before: 061000 No. 2-901, building 12, alcadia xinruyuan, north of Huanghe West Road, Yunhe District, Cangzhou City, Hebei Province Patentee before: Platinum Rui Software (Cangzhou) Co.,Ltd. |
|
| TR01 | Transfer of patent right |