CN212048095U

CN212048095U - Bag feeding mechanism for packaging bag

Info

Publication number: CN212048095U
Application number: CN202020473047.0U
Authority: CN
Inventors: 倪合青; 汪东
Original assignee: ANHUI XINYUAN PACKAGING TECHNOLOGY CO LTD
Current assignee: ANHUI XINYUAN PACKAGING TECHNOLOGY CO LTD
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-01
Anticipated expiration: 2030-03-31

Abstract

The utility model aims at providing a can insert the wrapping bag sack smoothly and go up the bag mechanism of going up of efficient wrapping bag, be provided with the pivot in the frame of link joint drive mechanism top, the length direction of pivot is located the horizontal direction and arranges perpendicularly with link joint drive mechanism's direction of delivery, the epaxial length direction's that is provided with two length direction perpendicular to pivots support arm that is provided with of pivot, the upper end and the pivot of support arm constitute the cooperation of sliding of axial length direction, the lower extreme is provided with the formula backup pad of opening and shutting towards the protruding stretching of link joint drive mechanism direction. In the above scheme, the two support arms move in a translation manner in the rotating shaft, so that the height of the lower end of the opening-closing support plate arranged at the lower end of each support arm is determined to be unchanged, the support arms move to proper positions in the rotating shaft for packaging bags of different specifications, and the opening-closing support plates can be inserted into the opened packaging bags smoothly all the time to open the bag openings, so that the bag opening efficiency is ensured.

Description

Bag feeding mechanism for packaging bag

Technical Field

The utility model relates to the technical field of packaging machinery, concretely relates to last bag mechanism of wrapping bag.

Background

The material is weighed, the bagging-off can be accomplished with a quantitative automatic packaging machine, and the sack of the wrapping bag of putting on conveying mechanism is coincide, and a set of sucking disc is from the upper strata bag body of upper side adsorption band mouth department, another set of sucking disc from the lower floor bag body of below adsorption band mouth department for upper and lower sack is split, then feeds in the rethread goes up bagging-off mechanism with the wrapping bag transfer to clamping mechanism.

The chinese patent "a bagging mechanism for packaging equipment" (grant publication No. CN 209972894U) discloses the following technical scheme: servo motor passes through the hold-in range and drives synchronous pulley and rotates, synchronous pulley can drive the square shaft and rotate, the square shaft drives first bag board of getting, the second gets in the bag board inserts the sack that the sack has opened, rethread long telescopic cylinder and short telescopic cylinder drive first bag board of getting, the second gets the bag board and props up the wrapping bag from the inboard, then the square shaft rotates into the horizontality under servo motor's drive, put into the sack of wrapping bag inside the bag clamping mechanism, press from both sides the back with the sack when the bag clamping mechanism, first bag board of getting, the second gets the bag board at long telescopic cylinder, short telescopic cylinder, break away from the sack under servo motor's the drive, accomplish the work of going up a bag. In the structure, the first bag board of getting, the second gets the bag board and articulates epaxial in the side, the first bag board of getting, the second gets the bag board when rotating different angles round the articulated shaft, the first bag board of getting, the second gets the height of bag board lower extreme face is different, the first bag board of getting will appear like this, the second gets the bag board and is close to each other, the first bag board of getting, the second gets the intraoral condition of the wrapping bag that the picture peg of bag board hypomere can't insert and open and takes place, lead to going up the bag inefficacy, influence whole packaging process's efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can insert the wrapping bag sack smoothly and go up the bag mechanism of the efficient wrapping bag of bag.

In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides a go up a bag mechanism of wrapping bag, is provided with the pivot in the frame of link joint drive mechanism top, and the length direction of pivot is located the horizontal direction and arranges perpendicularly with link joint drive mechanism's direction of delivery, is provided with two support arms on the axle body of pivot, and the length direction of support arm is perpendicular to the length direction of pivot, and the upper end and the pivot of support arm constitute the cooperation of sliding of axial length direction, the lower extreme is protruding to be provided with open-close type backup pad towards link joint drive mechanism direction.

In the above scheme, the two support arms move in a translation manner in the rotating shaft, so that the height of the lower end of the opening-closing support plate arranged at the lower end of each support arm is determined to be unchanged, the support arms move to proper positions in the rotating shaft for packaging bags of different specifications, and the opening-closing support plates can be inserted into the opened packaging bags smoothly all the time to open the bag openings, so that the bag opening efficiency is ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of an automatic packaging machine;

fig. 2 and 3 are schematic structural diagrams of the bag feeding mechanism.

Detailed Description

As shown in fig. 1-3, a rotating shaft 21 is disposed on a frame 10 above a chain plate transmission mechanism a, a length direction of the rotating shaft 21 is located in a horizontal direction and is perpendicular to a conveying direction of the chain plate transmission mechanism a, two supporting arms 22 are disposed on a shaft body of the rotating shaft 21, a length direction of the supporting arms 22 is perpendicular to the length direction of the rotating shaft 21, an upper end of each supporting arm 22 and the rotating shaft 21 form a sliding fit in the shaft length direction, and a lower end of each supporting arm 22 is provided with an opening-closing type supporting plate 23 protruding towards the chain plate transmission mechanism a. After a bag opening mechanism (generally an upper sucking disc and a lower sucking disc which respectively suck upper and lower bag bodies of the bag opening and open the bag opening) on the rack 10 is opened, the two support arms 22 perform translation movement on the rotating shaft 21, and the height of the lower end of an opening-closing support plate 23 arranged at the lower end of each support arm 22 is determined to be unchanged, so that no matter what specification of the packaging bag is, the support arms 22 move to what position, the support plates 23 at the lower ends of the support arms can be smoothly inserted into the opened bag opening, at the moment, the sucking discs are removed, then the support plates 23 are opened to open the bag opening, the rotating shaft 21 is driven by power to rotate, the support arms 22 swing to an upper position along with the rotating shaft 21, namely, the bag opening is sleeved on a material receiving port of a downstream. The opening-closing type supporting plate 23 is closed and pulled out of the bag opening, the driving rotating shaft 21 is driven to drive the supporting arm 22 to reset, and the next bag feeding operation is carried out.

Furthermore, the two ends of the rotating shaft 21 are provided with short shafts 212, the short shafts 212 are matched with the bearings and are arranged in the bearing seat 11, in the embodiment, the middle section of the rotating shaft 21 is a square shaft, the two ends of the rotating shaft are provided with cylindrical short shafts 212 matched with the bearings, a guide rail 211 is arranged on the shaft body between the two short shafts 212 along the length direction of the shaft body, the upper end of the supporting arm 22 is connected with a sliding block 24, and the sliding block 24 and the guide rail 211 form sliding fit. The sliding block 24 is slidably engaged with the guide rail 211 to ensure smooth and steady movement of the support arm 22.

The middle part of the rotating shaft 21 is provided with a first cylinder 25, the rod length direction of a first piston rod 251 of the first cylinder 25 is consistent with the guide rail 211, the end part of the first piston rod 251 is fixedly connected with the slide block 24, and the first piston rod 251 moves on the guide rail 211 by driving the slide block 24. The first cylinder 25 is provided with only one, the first piston rod 251 is fixedly connected with only one sliding block 24, the two ends of the rotating shaft 21 close to the end part are respectively provided with a belt pulley 261, the wheel core direction of the belt pulley 261 is vertical to the length direction of the rotating shaft 21 and vertical to the length direction of the supporting arm 22, the two belt pulleys 261 form a belt transmission mechanism through a belt 262, the two sliding blocks 24 are respectively provided with a clamping block 27, the two clamping blocks 27 are respectively clamped on the belt 262 above and below the belt pulley 261, and the belt 262 and the clamping blocks 27 synchronously move. Due to the arrangement of the clamping blocks 27, the sliding block 24 and the belt 262 are correspondingly fixedly connected, and one clamping block 27 is arranged on the upper belt 262, and the other clamping block 27 is arranged on the lower belt 262, so that the purpose that the two supporting arms 22 synchronously approach to or separate from each other can be realized only by arranging one first air cylinder 25. When the belt 262 is used for transmission, the distance of the upper clamping block 27 walking towards the middle is L, the distance of the belt 262 walking is L, and the distance of the lower clamping block 27 walking inwards is L, so that the synchronous approaching or separating purpose is realized, and the central lines of the two supporting arms 22 are ensured to be constant all the time, are adjusted in advance and are consistent with the central line of the packaging bag on the chain plate transmission mechanism A.

Preferably, the supporting plate 23 includes two supporting claws 231 arranged at upper and lower positions, the connecting ends of the supporting claws 231 are hinged to the supporting arms 22 through hinge shafts 232, and the other ends of the supporting claws 231 are suspended, so that when the two supporting claws 231 are driven to rotate around the hinge shafts 232 by power, the two supporting claws 231 move toward each other (i.e., a closed clamping position or a bag inserting position when being inserted into a bag opening) or move away from each other (i.e., a bag supporting position with a V-shaped opening).

In order to realize the synchronous opening and closing of the upper and lower support claws 231, the support arm 22 comprises two parallel arm plates 221, the upper parts of the arm plates 221 are connected into a whole through a connecting plate 222, the lower parts of the arm plates 221 form a clamping cavity, the connecting ends of the support claws 231 are clamped in the clamping cavity, the connecting ends of the support claws 231 are provided with gears 231a, the gears 231a form rotating fit with the arm plates 221 through hinge shafts 232, the gears 231a on the two support claws 231 are in meshing transmission, a second air cylinder 233 is arranged in the clamping cavity, the end part of a piston rod of the second air cylinder 233 is hinged with the support claw 231 above the displacement, and the second air cylinder 233 drives the gear 231a above the upper part to rotate to drive the support claw 231. The second cylinder 233 drives the gear 231a above to rotate so as to drive the gear 231a below to rotate synchronously, and the two gears 231a are in meshing transmission, so that the two support claws 231 are synchronously opened and closed.

Two mounting plates 213 are arranged in the middle of the rotating shaft 21, the two mounting plates 213 are in the shape of a folded plate, one part of the plate body of the folded plate is fixedly connected with the rotating shaft 21, the other part of the plate body is fixedly connected with the first air cylinder 25, and the plate body for fixing the first air cylinder 25 forms a stop block for limiting the stroke of the sliding block 24. Two mounting plates 213 are fixed in the middle of the square shaft, on the one hand for mounting the cylinder of the first cylinder 25 and on the other hand for limiting the travel of the slider 24, preventing the two support arms 22 from coming too close together.

Because the volume of the rotating shaft 21 is not large, the first air cylinder 25 and the belt transmission mechanism are respectively arranged on two sides of the rotating shaft 21 for reasonably utilizing the installation space, and the structure is compact.

One of the short shafts 212 protrudes out of the bearing seat 11, and the protruding section is provided with a driving wheel 214, the driving wheel 214 can be directly connected with a transmission shaft of the motor, or indirectly connected with the transmission shaft of the motor through a belt or a chain, which is determined according to the arrangement space.

Claims

1. The utility model provides a go up a bag mechanism of wrapping bag which characterized in that: the chain plate transmission mechanism is characterized in that a rotating shaft (21) is arranged on the rack (10) above the chain plate transmission mechanism (A), the length direction of the rotating shaft (21) is located in the horizontal direction and is perpendicular to the conveying direction of the chain plate transmission mechanism (A), two supporting arms (22) are arranged on the shaft body of the rotating shaft (21), the length direction of the supporting arms (22) is perpendicular to the length direction of the rotating shaft (21), the upper ends of the supporting arms (22) and the rotating shaft (21) form sliding fit in the axial length direction, and the lower ends of the supporting arms are convexly provided with opening and closing type supporting plates (23) towards the direction of the chain plate transmission.

2. The bag feeding mechanism of the packing bag according to claim 1, wherein: the two ends of the rotating shaft (21) are provided with short shafts which are matched with the bearings and are arranged in the bearing seat (11), a guide rail (211) is arranged on the shaft body between the two short shafts along the length direction of the shaft body, the upper end of the supporting arm (22) is connected with a sliding block (24), and the sliding block (24) and the guide rail (211) form sliding fit.

3. The bag feeding mechanism of the packing bag according to claim 2, wherein: the middle part of the rotating shaft (21) is provided with a first air cylinder (25), the rod length direction of a first piston rod (251) of the first air cylinder (25) is consistent with that of the guide rail (211), the end part of the first piston rod (251) is fixedly connected with the sliding block (24), and the first piston rod (251) acts and drives the sliding block (24) to move on the guide rail (211).

4. The bag feeding mechanism of claim 3, wherein: the first cylinder (25) is provided with only one, the first piston rod (251) is only fixedly connected with one sliding block (24), the two ends of the rotating shaft (21) are respectively provided with a belt pulley (261) at the position close to the end part, the wheel core direction of the belt pulley (261) is perpendicular to the length direction of the rotating shaft (21) and the length direction of the supporting arm (22), the two belt pulleys (261) form a belt transmission mechanism through a belt (262), the two sliding blocks (24) are respectively provided with clamping blocks (27), the two clamping blocks (27) are respectively clamped on the belt (262) above and below the belt pulley (261), and the belt (262) and the clamping blocks (27) synchronously act.

5. The bag feeding mechanism of the packing bag according to claim 1, wherein: the supporting plate (23) comprises two supporting claws (231) which are arranged at the upper position and the lower position, the connecting ends of the supporting claws (231) are hinged with the supporting arm (22) through hinge shafts (232), the other ends of the supporting claws are in a suspension shape, and when the two supporting claws (231) are driven by power to rotate around the hinge shafts (232), the two supporting claws (231)

Move closer to or away from each other.

6. The bag feeding mechanism of claim 5, wherein: the supporting arm (22) comprises two parallel arm plates (221), the upper parts of the arm plates (221) are connected into a whole through a connecting plate (222), the lower parts of the arm plates (221) form a clamping cavity, the connecting ends of the supporting claws (231) are clamped in the clamping cavity, gears (231a) are arranged on the connecting ends, the gears (231a) form rotating fit with the arm plates (221) through hinge shafts (232), the gears (231a) on the two supporting claws (231) are in meshing transmission, second air cylinders (233) are arranged in the clamping cavity, the end parts of piston rods of the second air cylinders (233) are hinged with the supporting claws (231) located above, and the second air cylinders (233) drive the gears (231a) above to rotate to drive the supporting claws (231) below to be synchronously opened and closed.

7. The bag feeding mechanism of claim 4, wherein: two mounting plates (213) are arranged in the middle of the rotating shaft (21), the two mounting plates (213) are folded plates, one part of the folded plates is fixedly connected with the rotating shaft (21), the other part of the folded plates is fixedly connected with the first air cylinder (25), and the plate for fixing the first air cylinder (25) forms a stop block for limiting the stroke of the sliding block (24).

8. The bag feeding mechanism of claim 5, wherein: the first air cylinder (25) and the belt transmission mechanism are respectively arranged on two sides of the rotating shaft (21).

9. The bag feeding mechanism of the packing bag according to claim 1, wherein: one of the short shafts protrudes out of the bearing seat (11) and the protruding section is provided with a driving wheel (212).