Bag hanging and feeding device

Abstract

The application discloses a bag hanging and conveying device, which comprises a bag hanging mechanism, a first bag sucking and lifting mechanism, a bag clamping and pulling mechanism and a first conveying mechanism. The bag hanging mechanism comprises an obliquely arranged bag hanging rod, and a blocking part is arranged at the lower end of the bag hanging rod. The handle ring of a bag with a handle ring is sleeved on the upper end of the bag hanging rod through the through hole of the handle ring, and can move downward along the bag hanging rod under the action of gravity. The blocking part limits the bag with a handle ring from separating from the lower end of the bag hanging rod. The first bag sucking and lifting mechanism sucks the bags with handle rings on the bag hanging rod one by one, lifts the bags with handle rings, and separates the bags with handle rings from the bag hanging rod. The bag clamping and pulling mechanism clamps the lower end of the bag with a handle ring, and pulls the bag with a handle ring to place the bag with a handle ring on the first conveying mechanism. The first conveying mechanism horizontally conveys the bag with a handle ring to a set position. The bag hanging and conveying device has simple and compact overall structure, is convenient to use, can realize large bag hanging capacity, and occupies small space.

Description

Technical Field

[0001] This invention relates to the field of packaging machinery manufacturing technology, and in particular to a bag hanging and bag feeding device. Background Technology

[0002] Appendix Figure 1 The image shows a packaging bag 10 with a handle 101. The handle 101 has a through hole 102 in the center. This type of packaging bag is commonly used for packaging materials such as rice. Currently, to improve packaging efficiency, some packaging machines have achieved automated packaging. In automated packaging, the problem of supplying packaging bags needs to be solved. (Attached) Figure 1 The packaging bag 10 shown has a handle 101, the thickness of which is much greater than the thickness of the bag body. Therefore, if it is stacked flat in the bag storage, it is prone to tipping over, resulting in a smaller number of bags that can be placed at once. This also hinders the bag-retrieving mechanism and slows down the retrieval speed. Furthermore, to avoid interference between bag placement and retrieval, at least two sets of bag storage units are usually required for mutual interchange, which also occupies a significant amount of space. Therefore, stacking packaging bags flat in the bag storage is more suitable for use as shown in the attached diagram. Figure 2 The packaging bag 20 shown is without handles. Since the thickness of each part of the bag body is basically the same, a large number of these bags can be stacked flat to ensure bag supply efficiency.

[0003] Another way to supply bags to packaging bags 10 with handles 101 is to hang the bags in the bag storage. For example, on September 15, 2020, the applicant disclosed a Chinese utility model patent with patent number ZL201922429476.8 entitled "A Bag Hanging Device", which includes a frame, on which are mounted an upper drive sprocket, a lower drive sprocket, an upper driven sprocket, and a lower driven sprocket. The upper drive sprocket and the upper driven sprocket are connected by an upper chain, and the lower drive sprocket and the lower driven sprocket are connected by a lower chain. The upper drive sprocket and the lower drive sprocket are driven to rotate simultaneously by a drive motor. Multiple bag hanging seats are fixedly connected at intervals between the upper chain and the lower chain. Each bag hanging seat is equipped with a horizontally arranged bag hanging bracket. Packaging bags with handles can be placed one after another on the bag hanging bracket using the handles. The end of the bag hanging bracket away from the bag hanging seat is provided with a blocking part to prevent the packaging bags from falling. Each bag hanging bracket can move at least to the bag feeding position or the bag loading position as the upper chain, the lower chain, and the bag hanging seat move. This type of bag-hanging device can provide a large number of bag holders for bag loading, meaning there are multiple bag loading positions and sufficient bag capacity to ensure the packaging efficiency of subsequent processes. However, it still requires a transmission mechanism to switch the positions of the bag holders, and a bag-pushing mechanism needs to be installed at the bag feeding position frame to ensure that the subsequent bag-retrieving mechanism picks up bags one by one. The structure is relatively complex, the manufacturing cost is relatively high, and a large space is required when the bag holders rotate and switch, resulting in a relatively large overall footprint.

[0004] Secondly, in order to realize horizontal one-by-one bag feeding, a more complex bag taking and feeding mechanism needs to be additionally arranged. For example, a Chinese invention application with the application number 201621492065.3 and the name of a bag feeding device and a packaging machine was published on September 22, 2017. The bag feeding device is used for conveying packaging bags provided with a lifting buckle. The bag feeding device comprises a bag taking mechanism and a bag feeding mechanism. The bag taking mechanism comprises a bag taking frame and a bag taking component for hanging the packaging bag through the lifting buckle. The bag feeding mechanism comprises a bag feeding frame and a first bag suction component for sucking the packaging bag hung on the bag taking component. The bag taking frame and the bag feeding frame are connected through a connecting component. The bag taking component is connected to the bag taking frame through a rotating component. The first bag suction component is connected to the bag feeding frame through a rotating component. Through the cooperation of the bag taking mechanism and the bag feeding mechanism, the problem of long time consumption and low efficiency caused by the same mechanism performing the bag taking and feeding work in the prior art is solved, and the practicability of the bag feeding device is greatly improved. However, the structure of this bag feeding device is still relatively complex, and the occupied space is also relatively large. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a bag hanging and feeding device which has a simple and compact overall structure, low manufacturing cost, convenient bag feeding, large bag hanging capacity, and small overall occupied space.

[0006] To achieve the above-mentioned purpose, the technical solution of the present application is as follows: a bag hanging and feeding device, characterized in that it comprises a bag hanging mechanism, a first bag suction and lifting mechanism, a bag clamping and pulling mechanism, and a first conveying mechanism. The bag hanging mechanism comprises an inclined bag hanging rod. A blocking part is arranged at the lower end of the bag hanging rod. The packaging bag with a handle ring is sleeved on the bag hanging rod through the upper end of the bag hanging rod and can move downward along the bag hanging rod under the action of gravity. The blocking part limits the packaging bag with a handle ring from separating from the lower end of the bag hanging rod.

[0007] The first bag suction and lifting mechanism sucks and lifts the packaging bag with a handle ring sleeved on the bag hanging rod one by one, and separates the packaging bag with a handle ring from the blocking part at the lower end of the bag hanging rod and from the bag hanging rod.

[0008] The bag clamping and pulling mechanism clamps the lower end of the packaging bag with a handle ring and pulls the packaging bag with a handle ring to place the packaging bag with a handle ring on the first conveying mechanism.

[0009] The first conveying mechanism horizontally conveys the packaging bag with a handle ring to a set position.

[0010] Preferably, the first bag and handle lifting mechanism comprises a first sliding base driven by a first driving member to move horizontally, a suction plate frame driven by a second driving member to move vertically is mounted on the first sliding base, and a vacuum suction plate is mounted on the suction plate frame to suck the packaging bag with a handle.

[0011] Preferably, the bag hanging mechanism further comprises a support frame and a plurality of first finger air cylinders, the plurality of first finger air cylinders are fixedly connected to the support frame by a shell, each first finger air cylinder is arranged with the shell upward and the fingers downward, a clamping block is fixedly connected to each finger of each first finger air cylinder, when the clamping blocks of the plurality of first finger air cylinders clamp the middle part of the bag hanging rod at the same time, the bag hanging rod is inclined to the horizontal plane, when the two clamping blocks of each first finger air cylinder clamp the bag hanging rod, the packaging bag with a handle above the clamping blocks is blocked from moving, and when the two clamping blocks of each first finger air cylinder are opened, the packaging bag with a handle is given space to move downward. The clamping blocks of each first finger air cylinder can block the packaging bag with a handle above the clamping blocks from moving when the two clamping blocks of each first finger air cylinder clamp the bag hanging rod, and the packaging bag with a handle is given space to move downward when the two clamping blocks of each first finger air cylinder are opened. In this way, when the length of the bag hanging rod is sufficient, a sufficient number of packaging bags with handles can be hung, ensuring sufficient bag supply. Secondly, due to the inclined arrangement of the bag hanging rod, the displacement of the packaging bag with a handle can be completed by gravity, and whether to displace is completed by the action of the two clamping blocks driven by the finger air cylinder, so it is not necessary to use a transmission mechanism or a rotating mechanism or a bag pushing mechanism to realize the switching and bag supply of the bag library position, which is simple in structure, low in manufacturing cost, and simple in control. Thirdly, the bag hanging rod can be sleeved with the packaging bag with a handle from the upper end of the blocking part, and the action of the first bag and handle lifting mechanism does not interfere with the action of the first bag and handle lifting mechanism. In addition, since the bag libraries do not need to switch positions with each other, the overall space occupied is relatively small.

[0012] Further, the two clamping blocks on each first finger air cylinder are provided with clamping grooves, and the two clamping blocks clamp the bag hanging rod through the clamping grooves; a positioning column is mounted in the middle of each clamping block, and a positioning hole is provided on the bag hanging rod, and the positioning column cooperates with the positioning hole when each clamping block clamps the bag hanging rod through the clamping groove. In this way, the bag hanging rod can be clamped better, and the mutual displacement of the bag hanging rod and the clamping block can be prevented better, improving the positioning accuracy and reliability of the bag hanging rod.

[0013] Further, a rolling brush is mounted on the upper surface of the support frame at the lower end of the bag hanging rod, the axis of the rolling brush is perpendicular to the bag hanging rod, the rolling brush is driven to rotate by a motor mounted on the support frame, and the rolling brush rotates to drive the packaging bag with a handle to approach the blocking part. In this way, the first bag and handle lifting mechanism can take the bag more reliably.

[0014] Further, the first finger air cylinder has three, in turn, the lower first finger air cylinder, the middle first finger air cylinder and the upper first finger air cylinder;

[0015] The first bag and bag lifting mechanism in front of the blocking part is provided with a first photoelectric detection switch, which detects whether the blocking part and the lower hand finger air cylinder are hung with a handle ring packaging bag; a second photoelectric detection switch is arranged on a clamping block connected to the finger of the lower hand finger air cylinder, which detects whether the lower hand finger air cylinder and the middle hand finger air cylinder are hung with a handle ring packaging bag; a third photoelectric detection switch is arranged on a clamping block connected to the finger of the middle hand finger air cylinder, which detects whether the middle hand finger air cylinder and the upper hand finger air cylinder are hung with a handle ring packaging bag; the first photoelectric detection switch, the second photoelectric detection switch and the third photoelectric detection switch are connected to a controller, and the controller controls the action of the lower hand finger air cylinder, the middle hand finger air cylinder and the upper hand finger air cylinder respectively through the signals sent by the first photoelectric detection switch, the second photoelectric detection switch and the third photoelectric detection switch;

[0016] The upper end of the support frame is provided with a button; the button is electrically connected to the controller, and pressing the button sends a signal to the controller to prompt that the bag hanging rod has completed bag hanging. In this way, automatic control can be more conveniently realized.

[0017] Further, the lower part of the support frame is pivotally connected to the rack, and one end of a screw rod with adjustable length is hingedly connected to the upper part of the support frame and the other end is hingedly connected to the rack, and the inclination of the bag hanging rod is adjusted by adjusting the length of the screw rod. To ensure that the handle ring packaging bag can move downward along the bag hanging rod under the action of its own weight.

[0018] Further improvement, a second finger air cylinder is fixedly connected to each side of the rack of the first bag and bag lifting mechanism, the shell of the second finger air cylinder is arranged horizontally, and a clamping finger is fixedly connected to each finger of the second finger air cylinder to form a pair of clamping fingers. When the two second finger air cylinders act simultaneously, the two pairs of clamping fingers clamp the lower part of the handle ring packaging bag to position the handle ring packaging bag. Further ensure that the bag clamping and pulling mechanism can reliably clamp the lower end of the handle ring packaging bag.

[0019] Preferably, the bag clamping and pulling mechanism comprises a horizontal support rod, one end of the support rod is connected with a second sliding seat, the second sliding seat is driven by a third driving element to move back and forth horizontally, the other end of the support rod is fixedly connected with a first rotary cylinder housing, a fixed clamping jaw is fixedly arranged on the first rotary cylinder housing, a movable clamping jaw is fixedly arranged on a piston rod of the first rotary cylinder, the movable clamping jaw is rotatable to clamp the lower end of the bag with a handle ring in cooperation with the fixed clamping jaw, the second sliding seat is fixedly connected with a second rotary cylinder housing, and the piston rod of the second rotary cylinder is fixedly connected with the support rod to form an integral body; after the second rotary cylinder drives the support rod to rotate by 90 degrees, the movable clamping jaw clamps the bag with a handle ring in cooperation with the fixed clamping jaw, and the bag with a handle ring moves along with the second sliding seat to pull the bag with a handle ring and place the bag with a handle ring on the first conveying mechanism. The bag clamping and pulling mechanism can clamp the bag in the vertical or horizontal direction, and can pull the bag in the horizontal direction, thereby ensuring the flexibility and reliability of the operation.

[0020] Further, one side of the first conveying mechanism is provided with a second conveying mechanism, the second conveying mechanism can drive the whole stack of flat bags without a handle ring to move to a set position, the second conveying mechanism is provided with a second bag clamping and pulling mechanism on one end, the second bag clamping and pulling mechanism can clamp and lift the bags without a handle ring one by one to a set position.

[0021] The movable clamping jaw is rotatable to clamp one end of the bag without a handle ring in cooperation with the fixed clamping jaw, and then the bag without a handle ring moves along with the second sliding seat to pull the bag without a handle ring and place the bag without a handle ring on the first conveying mechanism; the first conveying mechanism horizontally conveys the bag without a handle ring to a set position. In this way, both the bag with a handle ring and the bag without a handle ring can be supplied, and the compactness and versatility of the equipment structure are further improved, and the performance of the equipment is maximized.

[0022] The bag with a handle ring is sleeved on the bag hanging rod through the upper end of the bag hanging rod and can move downward along the bag hanging rod under the action of gravity, so that the transmission mechanism and the bag pushing mechanism are not needed, and the bag with a handle ring can be taken away one by one by the first bag clamping and pulling mechanism. The structure is simple and compact, and the manufacturing cost is low; the lower end of the inclined bag hanging rod can be taken out of the bag, and the upper end can be sleeved on the bag, which is convenient for bagging, does not interfere with the bag clamping and pulling mechanism, and is safe to operate. When the bag hanging rod has sufficient length, a larger bag hanging capacity can be realized, multiple bag storages are not needed to be arranged at different positions, the overall space occupation is small, and the bag supply efficiency can be ensured.

[0023] Secondly, the bag suction and lifting mechanism, the bag clamping and pulling mechanism and the first conveying mechanism cooperate with each other, and through the three mechanisms, the bag taking, clamping, pulling and placing and conveying actions are realized, so that the handle ring packaging bag can be reliably conveyed horizontally to the set position. The overall structure is also relatively compact, and the occupied space is relatively small. It is beneficial to realize connection and cooperation with the subsequent packaging mechanism, and facilitates the layout of the entire packaging machine. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a perspective view of a handle ring packaging bag;

[0025] Figure 2 is a perspective view of a handle ring packaging bag;

[0026] Figure 3 is a perspective view of the bag hanging mechanism without suspending the handle ring packaging bag in the application;

[0027] Figure 4 is another perspective view of the bag hanging mechanism without suspending the handle ring packaging bag in the application;

[0028] Figure 5 is a perspective view of the bag hanging mechanism;

[0029] Figure 6 is another perspective view of the bag hanging mechanism;

[0030] Figure 7 is a perspective view of the finger cylinder connecting clamp block of the bag hanging mechanism in the application;

[0031] Figure 8 is Figure 4 is an enlarged view of A;

[0032] Figure 9 is a perspective view of the bag hanging mechanism with the handle ring packaging bag suspended in the application. DETAILED DESCRIPTION

[0033] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0034] Figures 1 to 9 As shown in the drawings, a bag hanging and conveying device includes a bag hanging mechanism 100, a first bag suction and lifting mechanism 200, a bag clamping and pulling mechanism 300, a first conveying mechanism 400, a second bag suction and lifting mechanism 500 and a second conveying mechanism 600.

[0035] Further combined Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 9As shown, the bag hanging mechanism 100 comprises a support frame 1, a bag hanging rod 2 and three first finger air cylinders 3, the three first finger air cylinders 3 are fixedly connected on the support frame 1 by a shell, each first finger air cylinder 3 is arranged in a shell-up and finger-down manner, two clamping blocks 4 are fixedly connected on each first finger air cylinder 3, when the clamping blocks 4 on the plurality of first finger air cylinders 3 simultaneously clamp the middle part of the bag hanging rod 2, the bag hanging rod 2 is inclined to the horizontal plane, the lower end of the bag hanging rod 2 is provided with a blocking part 21, the blocking part 21 is a convex part extending upward from the lower end of the bag hanging rod 2, and the blocking part 21 is perpendicular to the bag hanging rod 2; the bag with handle packaging bag 10 is sleeved on the bag hanging rod 2 from the upper end of the bag hanging rod 2 through the through hole 102 of the handle ring 101 and can move downward along the bag hanging rod 2 under the action of gravity, and the blocking part 21 limits the bag with handle packaging bag 10 from separating from the lower end of the bag hanging rod 2; when the two clamping blocks 4 of each first finger air cylinder 3 clamp the bag hanging rod 2, the bag with handle packaging bag 10 above the clamping blocks 4 can be blocked from moving, and the two clamping blocks 4 of each first finger air cylinder 3 are opened to give the bag with handle packaging bag 10 room to move downward.

[0036] Two clamping blocks 4 on each first finger air cylinder 3 are correspondingly provided with clamping grooves 41, and the two clamping blocks 4 clamp the bag hanging rod 2 through the clamping grooves 41, and preferably the cross section of the clamping groove 41 is U-shaped. The bag hanging rod 2 is a tubular body, and the cross section edge line thereof is composed of two parallel line segments and two arc segments respectively connecting one end of the two parallel line segments.

[0037] Each clamping block 4 is provided with a positioning column 42 in the middle of the clamping groove 41, and a positioning hole 22 is correspondingly provided on the bag hanging rod 2, and the positioning column 42 cooperates with the positioning hole 22 when each clamping block 4 clamps the bag hanging rod 2 through the clamping groove 41. In this way, the bag hanging rod 2 can be prevented from moving relative to the clamping block 4, and the positioning reliability and positioning accuracy of the bag hanging rod 2 are improved.

[0038] The three first finger air cylinders 3 are sequentially a lower first finger air cylinder 31, a middle first finger air cylinder 32 and an upper first finger air cylinder 33. Preferably, the spacing between the lower first finger air cylinder 31 and the middle first finger air cylinder 32 and the spacing between the middle first finger air cylinder 32 and the upper first finger air cylinder 33 are the same; a first photoelectric detection switch 211 is provided in front of the blocking part 21, the first photoelectric detection switch 211 is installed on the first bag sucking and bag lifting mechanism 200, and the first photoelectric detection switch 211 detects whether the bag with handle packaging bag 10 is hung between the blocking part 21 and the lower first finger air cylinder 31;

[0039] A clamping block 4 connected with the lower first finger cylinder 31 is fixed with a lower detection bracket 43, and a second photoelectric detection switch 431 is installed on the lower detection bracket 43 to detect whether the bag 10 with handle is hung between the lower first finger cylinder 31 and the middle first finger cylinder 32; a clamping block 4 connected with the middle first finger cylinder 32 is fixed with a middle detection bracket 44, and a third photoelectric detection switch 441 is installed on the middle detection bracket 44 to detect whether the bag 10 with handle is hung between the middle first finger cylinder 32 and the upper first finger cylinder 33; the first photoelectric detection switch 211, the second photoelectric detection switch 431 and the third photoelectric detection switch 441 are connected with a controller (not shown in the figure), and the controller controls the actions of the lower first finger cylinder 31, the middle first finger cylinder 32 and the upper first finger cylinder 33 respectively according to the signals sent by the first photoelectric detection switch 211, the second photoelectric detection switch 431 and the third photoelectric detection switch 441. Only one first finger cylinder can be controlled to act at one time.

[0040] A button 5 is arranged at the upper end of the support frame 1; the button 5 is electrically connected with the controller, and the button 5 sends a signal to the controller to prompt that the bag hanging is completed on the bag hanging rod 2 when the button 5 is pressed.

[0041] The lower part of the support frame 1 is pivoted on a rack 700, and one end of a screw rod 6 with adjustable length is hinged on the upper part of the support frame 1 and the other end is hinged on the rack 700, and the inclination of the bag hanging rod 2 is adjusted by adjusting the length of the screw rod 6. It is ensured that the bag 10 with handle can move downward along the bag hanging rod 2 under the action of gravity.

[0042] A rolling brush 7 is arranged on the upper surface of the lower end of the bag hanging rod 2, the axis of the rolling brush 7 is perpendicular to the bag hanging rod 2, the rolling brush 7 is driven to rotate by a motor 71 arranged on the support frame 1, and the rolling brush 7 rotates to drive the bag 10 with handle to approach the blocking part 21.

[0043] The motor 71 drives the rolling brush 7 to rotate through a belt and pulley transmission mechanism 72, and a protective cover 73 is arranged outside the belt and pulley transmission mechanism 72.

[0044] The first bag suction and lifting mechanism 200 sucks and lifts the handle looped packaging bag 10 on the hanging bag rod 2 one by one and pulls it off the lower end blocking part 21 of the hanging bag rod 2, and then off the hanging bag rod 2; the first bag suction and lifting mechanism 200 comprises a first sliding seat 2b driven by a first driving member 2a to move horizontally, the first driving member 2a is a pneumatic cylinder, the first sliding seat 2b is slidably installed on two guide rails of a rack 700, a suction cup frame 2d driven by a second driving member 2c to move vertically is installed on the first sliding seat 2b, the second driving member 2c can be a servo motor and a transmission member, the suction cup frame 2d is connected to the transmission member, and the transmission member can be a ball screw pair or a synchronous belt and pulley transmission mechanism; two vacuum suction cups 2e are installed on the suction cup frame 2d and can suck the handle looped packaging bag 10 when the first sliding seat 2b moves. The first photoelectric detection switch 211 is installed on the lower end of the first sliding seat 2b. A second finger pneumatic cylinder 2f is fixedly connected to each side of the rack 700 of the first bag suction and lifting mechanism 200, the shell of the second finger pneumatic cylinder 2f is horizontally arranged, and a clamping finger 2g is fixedly connected to each finger of the second finger pneumatic cylinder 2f to form a pair of clamping fingers 2g. When the two second finger pneumatic cylinders 2f act simultaneously, the two pairs of clamping fingers 2g clamp and position the lower part of the handle looped packaging bag 10 at the same time. In this way, the bag clamping and pulling mechanism 300 clamps the lower end of the handle looped packaging bag 10.

[0045] Further combined Figure 3 、 Figure 4 、 Figure 8 Further shown, the bag clamping and pulling mechanism 300 clamps the lower end of the handle looped packaging bag 10 and pulls the handle looped packaging bag 10 to place it on the first conveying mechanism 400; the bag clamping and pulling mechanism 300 comprises a horizontal support rod 3a, one end of the support rod 3a is connected to a second sliding seat 3b, the second sliding seat 3b is driven by a third driving member 3c to move horizontally, the other end of the support rod 3a is fixedly connected to a first rotary pneumatic cylinder 3d shell, a horizontal fixed clamping jaw 31d is fixedly arranged on the first rotary pneumatic cylinder 3d shell, a movable clamping jaw 32d is fixedly connected to the piston rod of the first rotary pneumatic cylinder 3d, and the movable clamping jaw 32d rotates to cooperate with the fixed clamping jaw 31d to clamp the lower end of the handle looped packaging bag 10, the second sliding seat 3b is fixedly connected to a second rotary pneumatic cylinder 3e shell, and the piston rod of the second rotary pneumatic cylinder 3e is fixedly connected to the support rod 3a to form an integral body; after the second rotary pneumatic cylinder 3e drives the support rod 3a to rotate by 90°, the movable clamping jaw 32d and the fixed clamping jaw 31d clamp the handle looped packaging bag 10 and move with the second sliding seat 3b to pull the handle looped packaging bag 10 and place it on the first conveying mechanism 400.

[0046] The first conveying mechanism 400 horizontally conveys the handle looped packaging bag 10 to a designated position.

[0047] The second conveying mechanism 600 is connected to one side of the first conveying mechanism 400, and can drive the whole stack of flat placed bag without handle ring 20 to move to a set position. The second bag suction and lifting mechanism 500 is arranged on the top of one end of the second conveying mechanism 600. The second bag suction and lifting mechanism 500 can suck and lift the bag without handle ring 20 one by one to the set position. The second conveying mechanism 600 comprises a table surface 6a for placing the whole stack of flat placed bag without handle ring 20. The table surface 6a is provided with two parallel long strip-shaped through holes 61a. The table surface 6a is provided with two parallel and simultaneously circulating moving chains 6b. A plurality of bag pushing rods 6c are connected to the two chains 6b correspondingly. Two bag pushing rods 6c move with the two chains 6b to push the whole stack of flat placed bag without handle ring 20 to move to the set position. The table surface 6a is further provided with two longitudinal limiting plates 6d and one transverse limiting plate 6e. The two longitudinal limiting plates 6d limit the running position of the two sides of the whole stack of flat placed bag without handle ring 20. The transverse limiting plate 6e positions one end of the whole stack of flat placed bag without handle ring 20.

[0048] The second bag suction and lifting mechanism 500 comprises a bracket 5b which moves up and down driven by a vertical air cylinder 5a. The bracket 5b is provided with two second vacuum suction cups 5c. When the two second vacuum suction cups 5c move downward with the bracket 5b, one bag without handle ring 20 is sucked. Then the bracket 5b moves upward to lift the bag without handle ring 20 to the set position.

[0049] The movable clamping jaw 32d rotates and cooperates with the fixed clamping jaw 31d to clamp one end of the bag without handle ring 20, and then moves with the second sliding seat 3b to pull the bag without handle ring 20 and place the bag without handle ring 20 on the first conveying mechanism 400. The first conveying mechanism 400 horizontally conveys the bag without handle ring 20 to the set position.

[0050] The first conveying mechanism 400 is preferably a conveying belt. The conveying belt of the first conveying mechanism 400 is provided with bag side surface centering mechanisms 800 on both sides. The output end of the first conveying mechanism 400 is provided with a bag blocking mechanism 900. The bag centering mechanisms 800 make the bag placed on the first conveying mechanism 400 move centrally. The bag centering mechanisms 800 comprise a bag centering motor 8a which drives a plurality of bag centering rods 8c on both sides of the conveying belt to move towards each other through a transmission mechanism 8b, so that the bag moves centrally. The bag blocking mechanism 900 positions one end of the bag. The bag blocking mechanism 900 comprises a vertically arranged bag blocking air cylinder 9a. A bag blocking frame 9b is connected to the piston rod of the bag blocking air cylinder 9a. When the bag blocking air cylinder 9a operates, the bag blocking frame 9b moves upward to block one end of the bag to position the bag, which is beneficial to the connection with the subsequent bag taking mechanism. After the bag blocking frame 9b moves downward, it is separated from the bag and does not block the bag.

[0051] The working process of the embodiment is as follows: the bag taking mechanism 100 is used to take the bag without handle ring 20 from the bag placing mechanism 200.Figure 1 When the bagging rod 2 is adjusted to the proper angle, the bagging rod 2 is inserted into the handle loop bag 10, and when the number of the bagging rod 2 reaches the required number, the two clamping blocks 4 connected to the upper first finger cylinder 33 block the handle loop bag 10, and then the button 5 is pressed to send a signal to the controller, prompting the bagging rod 2 to complete the bagging. When the second photoelectric detection switch 431 detects that there is no handle loop bag 10 between the lower first finger cylinder 31 and the middle first finger cylinder 32, the controller controls the middle first finger cylinder 32 to act, and the two clamping blocks 4 connected to the middle first finger cylinder 32 block the handle loop bag 10, and then the middle first finger cylinder 32 is actuated to drive the two clamping blocks 4 to clamp the bagging rod 2 again.

[0052] When the second photoelectric detection switch 431 detects that there is no handle loop bag 10 between the lower first finger cylinder 31 and the middle first finger cylinder 32, the controller controls the middle first finger cylinder 32 to act, and the two clamping blocks 4 connected to the middle first finger cylinder 32 block the handle loop bag 10, and then the middle first finger cylinder 32 is actuated to drive the two clamping blocks 4 to clamp the bagging rod 2 again.

[0053] When the first photoelectric detection switch 211 detects that there is no handle loop bag 10 between the blocking part 21 and the lower first finger cylinder 31, the controller controls the lower first finger cylinder 31 to act, and the two clamping blocks 4 connected to the lower first finger cylinder 31 block the handle loop bag 10, and then the lower first finger cylinder 31 is actuated to drive the two clamping blocks 4 to clamp the bagging rod 2 again.

[0054] The handle loop bag 10 between the blocking part 21 and the lower first finger cylinder 31 can be taken out one by one by the first bag suction and lifting mechanism 200, and at the same time, the rolling brush 7 rotates to drive the bag 10 to move towards the blocking part 21.

[0055] The first suction bag and lifting bag mechanism 200 drives the suction plate frame 2d to descend to the lower position by the second driving member 2c, and the first driving member 2a drives the first sliding seat 2b to retreat, so that the two vacuum suction cups 2e are displaced with the first sliding seat 2b to suck a bag with handle ring packaging bag 10, then the second driving member 2c drives the suction plate frame 2d to move up a small distance, so that the bag with handle ring packaging bag 10 is separated from the blocking part 211, and then the first driving member 2a drives the first sliding seat 2b to advance to the reset position, and the second driving member 2c drives the suction plate frame 2d to move up to the upper position; then when the two second finger air cylinders 2f act simultaneously, the two pairs of clamping fingers 2g clamp the lower part of the bag with handle ring packaging bag 10 and position the bag with handle ring packaging bag 10.

[0056] Then the third driving member 3c of the bag clamping and pulling mechanism 300 drives the second sliding seat 3b to retreat to the rear position, and then the first rotating air cylinder 3d acts, the movable clamping jaw 32d rotates to cooperate with the fixed clamping jaw 31d to clamp the lower end of the bag with handle ring packaging bag 10, and then the two vacuum suction cups 2e are removed from the upper part of the bag with handle ring packaging bag 10, and then the second rotating air cylinder 3e drives the supporting rod 3a to rotate 90°, the third driving member 3c drives the second sliding seat 3b to advance to the front position, the movable clamping jaw 32d and the fixed clamping jaw 31d clamp the bag with handle ring packaging bag 10, and then the first rotating air cylinder 3d acts again, the movable clamping jaw 32d is released, and the bag with handle ring packaging bag 10 is placed on the first conveying mechanism 400, the bag mechanism 800 moves the bag with handle ring packaging bag 10 placed on the first conveying mechanism 400 to the center, the first conveying mechanism 400 horizontally conveys the bag with handle ring packaging bag 10 to the set position, and the bag blocking mechanism 900 positions one end of the bag with handle ring packaging bag 10. It is convenient for the bag taking mechanism behind to take the bag from the set position of the first conveying mechanism 400.

[0057] When the bag without handle ring packaging bag 20 is used for packaging, as shown in the accompanying drawings, the bag without handle ring packaging bag 20 is placed on the table top 6a and is between the two longitudinal limiting plates 6d, and the two bag pushing rods 6c move the bag without handle ring packaging bag 20 to the set position and position one end of the bag without handle ring packaging bag 20 through the transverse limiting plate 6e by moving along the two chains 6b. Figure 2

[0058] ​Then the third driving member 3c of the bag clamping and pulling mechanism 300 drives the second sliding seat 3b to retreat to the rear position, the second rotating cylinder 3e drives the support rod 3a to rotate 90°, then the first rotating cylinder 3d acts, the movable clamping jaw 32d rotates to cooperate with the fixed clamping jaw 31d to clamp the front end of the packaging bag 20 without handle ring, then the two second vacuum suction cups 5c remove the vacuum to separate from the upper part of the packaging bag 20 without handle ring, then the third driving member 3c drives the second sliding seat 3b to advance to the front position, the movable clamping jaw 32d and the fixed clamping jaw 31d clamp the packaging bag 20 without handle ring to move with the second sliding seat 3b to pull the packaging bag 20 without handle ring to the position, then the first rotating cylinder 3d acts again, the movable clamping jaw 32d is released, and then the packaging bag 20 without handle ring is placed on the first conveying mechanism 400, the whole bag mechanism 800 moves the packaging bag 20 without handle ring placed on the first conveying mechanism 400 to the center, the first conveying mechanism 400 horizontally conveys the packaging bag 20 without handle ring to the set position, and the bag blocking mechanism 900 positions one end of the packaging bag 20 without handle ring. It is convenient for the bag taking mechanism behind to take the bag from the set position of the first conveying mechanism 400.

[0059] Although the present application is specifically shown and described in connection with the preferred embodiments, those skilled in the art should understand that various changes in form and details can be made to the present application without departing from the spirit and scope of the present application defined in the appended claims.

Claims

1. A bag hanging and bag feeding device, characterized in that: The hanging bag mechanism, the first bag sucking and lifting mechanism, the bag clamping and pulling mechanism, and the first conveying mechanism are included. The hanging bag mechanism includes a hanging bag rod arranged obliquely, and a blocking portion arranged at the lower end of the hanging bag rod. The first bag sucking and lifting mechanism sucks and lifts the bags one by one, and the bags are separated from the hanging bag rod. The bag clamping and pulling mechanism clamps the lower end of the bag and pulls the bag to place the bag on the first conveying mechanism. The first conveying mechanism horizontally conveys the bag to a designated position. The first bag sucking and lifting mechanism includes a first sliding seat driven by a first driving element to move horizontally, and a suction disc holder driven by a second driving element to move vertically. The hanging bag mechanism further includes a support frame and a plurality of first finger air cylinders.

2. A bag hanging and feeding apparatus according to claim 1, characterized in that: Each of the first finger air cylinders has two clamping blocks, and the clamping blocks of the plurality of first finger air cylinders clamp the middle portion of the hanging bag rod.

3. A bag hanging and feeding apparatus according to claim 1, characterized in that: Each of the first finger air cylinders has two clamping blocks, and the clamping blocks of the plurality of first finger air cylinders clamp the middle portion of the hanging bag rod.

4. A bag hanging and feeding apparatus according to claim 1, characterized in that: The support frame has a rolling brush arranged above the lower end of the hanging bag rod. The first finger air cylinders include a lower first finger air cylinder, a middle first finger air cylinder, and an upper first finger air cylinder. A first photoelectric detection switch is arranged on the first bag suction and lifting mechanism in front of the blocking part, and the first photoelectric detection switch detects whether the bag with a handle ring is hung between the blocking part and the lower first finger cylinder; a second photoelectric detection switch is arranged on a clamping block connected to a finger of the lower first finger cylinder, and the second photoelectric detection switch detects whether the bag with a handle ring is hung between the lower first finger cylinder and the middle first finger cylinder; a third photoelectric detection switch is arranged on a clamping block connected to a finger of the middle first finger cylinder, and the third photoelectric detection switch detects whether the bag with a handle ring is hung between the middle first finger cylinder and the upper first finger cylinder; the first photoelectric detection switch, the second photoelectric detection switch and the third photoelectric detection switch are connected to a controller, and the controller controls the lower first finger cylinder, the middle first finger cylinder and the upper first finger cylinder to act according to signals sent by the first photoelectric detection switch, the second photoelectric detection switch and the third photoelectric detection switch. A button is arranged at the upper end of the support frame, and the button is electrically connected to the controller, and the button sends a signal to the controller to prompt that the bag hanging rod is completed to hang the bag when the button is pressed.

5. A bag hanging and feeding apparatus according to claim 1, characterized in that: The lower part of the support frame is pivoted to the frame, one end of a screw rod with adjustable length is hinged to the upper part of the support frame, and the other end is hinged to the frame, and the inclination of the bag hanging rod is adjusted by adjusting the length of the screw rod.

6. A bag hanging and feeding apparatus according to claim 1, characterized in that: A second finger cylinder is fixedly connected to each side of the frame of the first bag suction and lifting mechanism, the shell of the second finger cylinder is arranged horizontally, one clamping finger is fixedly connected to each finger of the second finger cylinder to form a pair of clamping fingers, and when the two second finger cylinders act simultaneously, the two pairs of clamping fingers clamp the bag with a handle ring at the lower part to position the bag with a handle ring.

7. A bag hanging and feeding apparatus according to any one of claims 1 to 6, characterized in that: The bag clamping and pulling mechanism comprises a horizontal support rod, one end of the support rod is connected to a second sliding seat, the second sliding seat is driven by a third driving member to move horizontally, the other end of the support rod is fixedly connected to a first rotating cylinder shell, a horizontally arranged fixed clamping jaw is fixedly arranged on the first rotating cylinder shell, a movable clamping jaw is fixedly connected to the piston rod of the first rotating cylinder, and the movable clamping jaw is rotated to cooperate with the fixed clamping jaw to clamp the lower end of the bag with a handle ring; the second sliding seat is fixedly connected to a second rotating cylinder shell, and the piston rod of the second rotating cylinder is fixedly connected to the support rod to form an integral body; after the second rotating cylinder drives the support rod to rotate by 90°, the movable clamping jaw cooperates with the fixed clamping jaw to clamp the bag with a handle ring, the bag with a handle ring moves with the second sliding seat to pull the bag with a handle ring, and the bag with a handle ring is placed on the first conveying mechanism.

8. A bag hanging and feeding apparatus according to claim 7, characterized in that: One side of the first conveying mechanism is provided with a second conveying mechanism, the second conveying mechanism can drive the whole stack of flat and non-handle ring bags to move to a set position, and the second conveying mechanism is provided with a second bag suction and lifting mechanism on one end of the upper surface, the second bag suction and lifting mechanism sucks and lifts the non-handle ring bags one by one to a set position. The movable clamping jaw is rotated to cooperate with the fixed clamping jaw to clamp one end of the non-handle ring bag, then the movable clamping jaw moves with the second sliding seat to pull the non-handle ring bag, and the non-handle ring bag is placed on the first conveying mechanism; the first conveying mechanism horizontally conveys the non-handle ring bag to a set position.

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