Woven bag screw weighing and packaging machine

Abstract

The utility model provides a woven bag screw weighing packing machine which comprises a discharging bin and a conveying belt, the discharging bin and the conveying belt are arranged up and down, a clamping mechanism used for clamping a bag opening of a woven bag arranged on the discharging bin in a sleeved mode is arranged at the position of a discharging opening of the discharging bin, and the conveying belt is suitable for transferring the fed woven bag to a sewing station. The woven bag is provided with a feeding position where a bag opening of the woven bag is clamped by the clamping mechanism and the woven bag is located above the conveying belt and a transferring position where the woven bag falls onto the conveying belt after feeding is completed. The bag opening straightening mechanism comprises two oppositely-arranged straightening plates and a straightening driving mechanism for driving the two straightening plates to act, the two straightening plates are arranged between the outlet of the discharging bin and the conveying belt, and each straightening plate is provided with an opening position and a straightening position for straightening the bag opening of the woven bag in the process that the woven bag falls from the feeding position to the transferring position; therefore, follow-up sewing is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to braided bag weighing packaging technical field, concretely relates to a kind of braided bag screw weighing packaging machine. BACKGROUND

[0002] The existing braided belt screw packaging machine after screw enters into braided bag from discharge bin, braided bag needs to be transferred to bag mouth sewing mechanism, since the bag mouth of braided bag is curved under the action of gravity, it is not conducive to subsequent sewing. UTILITY MODEL CONTENTS

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defects that the bag mouth of the braided bag is curved or wrinkled, which is not conducive to subsequent sewing, so as to provide a braided bag screw weighing packaging machine which facilitates subsequent bag mouth sewing.

[0004] Therefore, the utility model provides a kind of braided bag screw weighing packaging machine, including discharge bin, conveying belt, and bag mouth straightening mechanism, discharge bin and conveying belt are arranged in upper and lower, the discharge outlet of discharge bin is equipped with the clamping mechanism that the bag mouth of braided bag is clamped to its sleeve, the conveying belt is suitable for the braided bag of material entering completion is moved to sewing station, wherein, the braided bag has its bag mouth be clamped by the clamping mechanism, and the material entering position above the conveying belt, and the transfer position after material entering completion, falls on the conveying belt;Bag mouth straightening mechanism, including two opposite straightening plates, and the straightening drive mechanism that the action of two straightening plates is driven, two straightening plates are arranged between the outlet of discharge bin and the conveying belt, it has opening position, and in the process that the braided bag falls from the material entering position to the transfer position, the bag mouth is straightened to straightening position.

[0005] The straightening drive mechanism includes: two opposite parallel shafts, rotatably mounted on the first bracket, the axial direction of the shaft is parallel to the extension direction of the straightening plate;Two meshing gears are connected, respectively sleeved on the corresponding shaft, and are linked with the shaft to rotate;Two first connecting rods are respectively connected to the corresponding shaft and the straightening plate;Straightening drive assembly is connected with one of the shafts, suitable for driving the shaft to rotate around its axial direction.

[0006] The straightening drive assembly includes rotating arm and first cylinder, rotating arm one end is sleeved on the shaft, suitable for driving the shaft to rotate;First cylinder is connected with the other end of the rotating arm, suitable for driving rotating arm to rotate.

[0007] The second support is provided with a sliding rail for the reciprocating sliding of the first support, the sliding rail is located above the conveying belt and is arranged in parallel with the conveying belt.

[0008] The clamping mechanism comprises two oppositely arranged clamping plates for clamping the bag opening of the woven bag to the outer wall of the outlet of the discharge bin, two groups of connecting rod assemblies respectively located at two ends of the length direction of the clamping plate, each group of connecting rod assemblies comprising a left and right arranged "<" shaped second connecting rod and a ">" shaped third connecting rod, the top of the second connecting rod being hinged to the discharge bin, the bottom being fixedly connected to the clamping plate, the top of the third connecting rod being hinged to the discharge bin, the bottom being fixedly connected to the clamping plate, and a clamping cylinder assembly comprising a clamping cylinder and a clamping push rod, the clamping push rod being connected to the middle part of the second connecting rod, and the clamping cylinder being connected to the middle part of the third connecting rod.

[0009] The packaging machine further comprises a feeding bin arranged at the top of the rack, the bottom of the feeding bin being provided with at least one feeding channel, and a standby bin adapted to receive the material conveyed by the feeding channel and transfer the material to the discharge bin, and a weighing module arranged between the standby bin and the rack.

[0010] The feeding channel is provided with a first baffle arranged at the inlet of the feeding channel and a second baffle arranged at the outlet of the feeding channel.

[0011] The standby bin is provided with a third baffle for controlling the opening and closing of the outlet of the standby bin, and a blocking cylinder for controlling the action of the third baffle.

[0012] The packaging machine has the following advantages:

[0013] 1. The woven bag screw weighing and packaging machine provided by the utility model, comprising a discharge bin, a conveying belt, a clamping mechanism and a bag opening straightening mechanism, first, the bag opening of the woven bag is sleeved at the outlet of the discharge bin, the bag opening of the woven bag is clamped to the outer wall of the outlet of the discharge bin by the clamping mechanism, then the material of the discharge bin is discharged into the woven bag, when the discharging is completed, the two straightening plates of the bag opening straightening mechanism are switched from the opening position to the straightening position, and the clamping mechanism is loosened, so that the woven bag falls to the conveying belt, and the two straightening plates can keep the bag opening in a vertical state, thereby facilitating subsequent sewing.

[0014] 2. The woven bag screw weighing and packaging machine provided by the utility model has the advantages that the straightening driving mechanism comprises two rotating shafts, two gears, two first connecting rods and a straightening driving assembly, the two gears are meshed on the corresponding rotating shafts, the directions of rotation of the two rotating shafts are opposite, the two rotating shafts drive the two straightening plates to open or close through the corresponding first connecting rods, only one straightening driving assembly is needed, and therefore the structure is simpler.

[0015] 3. The woven bag screw weighing and packaging machine provided by the utility model further comprises a second support provided with a sliding rail for reciprocating sliding of the first support, the sliding rail is located above the conveying belt, and the setting direction of the sliding rail is parallel to the setting direction of the conveying belt; a motor driving assembly is connected with the first support and is suitable for driving the first support to slide. In this way, the second support can also move in the same direction during the process that the conveying belt moves the woven bag to the sewing station, so that the bag opening of the woven bag can be kept in a vertical state. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0017] Figure 1 It is a perspective view of the woven bag screw weighing and packaging machine of the utility model;

[0018] Figure 2 It is a front view of the woven bag screw weighing and packaging machine;

[0019] Figure 3 It is a perspective view of the bag opening straightening mechanism;

[0020] Figure 4 It is Figure 3 It is an enlarged structural schematic view of part A;

[0021] Figure 5 It is a perspective view of the feeding bin, the standby bin and the discharging bin;

[0022] Figure 6 It is a perspective view of the discharging bin and the clamping mechanism;

[0023] Figure 7 It is a perspective view of the feeding bin and the standby bin.

[0024] Explanation of reference signs: 1, discharge bin; 2, conveying belt; 3, woven bag; 4, straightening plate; 5, first support; 6, rotating shaft; 7, gear; 8, first connecting rod; 9, rotating arm; 10, sliding rail; 11, first cylinder; 12, second support; 13, motor driving assembly; 14, clamping plate; 15, second connecting rod; 16, third connecting rod; 17, clamping cylinder; 18, clamping push rod; 19, feeding bin; 20, rack; 21, feeding channel; 22, waiting bin; 23, weighing module; 24, first baffle; 25, second baffle; 26, third baffle; 27, material blocking cylinder. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0029] EMBODIMENT

[0030] The present embodiment provides a woven bag screw weighing and packaging machine, which comprises a rack, a feeding bin, a feeding channel, a waiting bin, a weighing module, a first baffle, a second baffle, a third baffle, a material blocking cylinder, a first support, a rotating shaft, a gear, a first connecting rod, a rotating arm, a sliding rail, a first cylinder, a second support, a motor driving assembly, a clamping plate, a second connecting rod, a third connecting rod, a clamping cylinder, a clamping push rod, a discharge bin and a conveying belt. Figure 1 , Figure 2 and Figure 5As shown, it includes a frame 20, a feed bin 19, a waiting bin 22, a discharge bin 1, a conveyor belt 2, and a bag mouth straightening mechanism.

[0031] like Figure 5 As shown, the feed bin 19 is located at the top of the frame 20. The bottom of the feed bin 19 is provided with two feeding channels 21. The feeding channel 21 has a first baffle 24 at its inlet and a second baffle 25 at its outlet.

[0032] The material receiving hopper 22 is adapted to receive the material conveyed by the feeding channel 21 and transfer it to the discharge hopper 1, such as... Figure 5 As shown, a weighing module 23 is provided between the material storage bin 22 and the frame 20. Figure 7 As shown, the waiting bin 22 is equipped with a third baffle 26 for controlling the opening and closing of its discharge port, and a material-blocking cylinder 27 for controlling the action of the third baffle 26. In this embodiment, the material-blocking cylinder 27 is fixed to the third baffle 26, and its legs are not fixed to the outer wall of the discharge bin 1. During loading, the material in the feed bin 19 passes through the feeding channel 21, the waiting bin 22 and the discharge bin 1 in sequence and enters the woven bag.

[0033] Conveyor belt 2 transfers the woven bags 3, which have been fed in, to the sewing station.

[0034] The discharge bin 1 is located above the conveyor belt 2. The discharge port of the discharge bin 1 is equipped with a clamping mechanism to clamp the opening of the woven bag 3 fitted onto it. The woven bag 3 has an infeed position where its opening is clamped by the clamping mechanism and located above the conveyor belt 2, and a transfer position where, after feeding, it falls onto the conveyor belt 2. Figure 2 At the feed position shown, there is a gap between the bottom of the woven bag 3 and the conveyor belt 2. For example... Figure 6 As shown, the clamping mechanism includes two clamping plates 14 arranged opposite to each other, used to clamp the bag opening of the woven bag 3 to the outer wall of the outlet of the discharge bin 1;

[0035] Two sets of connecting rod assemblies are located at both ends of the clamping plate 14 along its length. Each set of connecting rod assemblies includes a "<"-shaped second connecting rod 15 and a ">"-shaped third connecting rod 16 arranged left and right. The top of the second connecting rod 15 is hinged to the discharge bin 1, and the bottom is fixedly connected to the clamping plate 14. The top of the third connecting rod 16 is hinged to the discharge bin 1, and the bottom is fixedly connected to the clamping plate 14. The clamping cylinder assembly includes a clamping cylinder 17 and a clamping push rod 18. The clamping push rod 18 is connected to the middle part of the second connecting rod 15, and the clamping cylinder 17 is connected to the middle part of the third connecting rod 16.

[0036] As an alternative implementation, the frame 20 is provided with two sets of clamping cylinder assemblies, which are used to drive the corresponding second link 15 and third link 16 to move.

[0037] Bag opening straightening institution, such as Figure 3 As shown, it includes two straightening plates 4, a straightening drive mechanism, a first bracket 5, a second bracket 12, and a motor drive assembly 13.

[0038] The two straightening plates 4 are located between the outlet of the discharge hopper 1 and the conveyor belt 2. They have an open position and a straightening position for straightening the bag opening as the woven bag 3 falls from the infeed position to the transfer position.

[0039] like Figure 4 As shown, the straightening drive mechanism includes: two relatively parallel rotating shafts 6, rotatably mounted on a first bracket 5, the axial direction of the rotating shafts 6 being parallel to the extension direction of the straightening plate 4; two meshing gears 7, respectively sleeved on the corresponding rotating shafts 6, and rotating in conjunction with the rotating shafts 6; two first connecting rods 8, respectively connecting the corresponding rotating shafts 6 and the straightening plate 4, the orientation of the first connecting rods 8 being perpendicular to the rotating shafts 6 and the straightening plate 4; and a straightening drive assembly, connected to one of the rotating shafts 6, adapted to drive the rotating shaft 6 to rotate around its axial direction. In this embodiment, the straightening drive assembly includes: a rotating arm 9, one end sleeved on the rotating shaft 6, adapted to drive the rotating shaft 6 to rotate; and a first cylinder 11, connected to the other end of the rotating arm 9, adapted to drive the rotating arm 9 to rotate.

[0040] The second support 12 is provided with a slide rail 10 for the first support 5 to slide back and forth. The slide rail 10 is located above the conveyor belt 2, and its setting direction is parallel to the setting direction of the conveyor belt 2. The motor drive assembly 13 is connected to the first support 5 and is adapted to drive the first support 5 to slide. The motor drive assembly 13 includes a motor and a ball screw assembly disposed between the motor and the second support 12. It should be noted that the ball screw assembly is a mature existing technology, so its specific structure and working principle will not be described in detail.

[0041] As an alternative implementation, the second bracket 12 can also be driven by a cylinder to slide back and forth along the slide rail 10.

[0042] The woven bag screw weighing and packaging machine provided by the utility model, which comprises a discharge bin 1, a conveying belt 2, a clamping mechanism and a bag opening straightening mechanism, first, the bag opening of the woven bag 3 is sleeved at the outlet of the discharge bin 1, the bag opening of the woven bag 3 is clamped with the outer wall of the outlet of the discharge bin 1 by the clamping mechanism, then the material of the discharge bin 1 is discharged into the woven bag 3, when the discharging is completed, the two straightening plates 4 of the bag opening straightening mechanism are switched from the opening position to the straightening position, and the clamping mechanism is loosened, so that the woven bag falls to the conveying belt, the two straightening plates can keep the bag opening in the vertical state, thereby facilitating subsequent sewing.

[0043] Obviously, the above embodiments are only examples for clearly illustrating but not limiting the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. All the embodiments need not and cannot be exhausted here. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A woven bag screw weighing and packaging machine characterized by, It includes: The discharge bin (1) and the conveying belt (2) are arranged vertically, the discharge port of the discharge bin (1) is provided with a clamping mechanism for clamping the bag opening of the woven bag (3) sleeved thereon, and the conveying belt (2) is suitable for moving the completed feeding woven bag (3) to a sewing station, wherein the woven bag (3) has a feeding position with the bag opening clamped by the clamping mechanism and located above the conveying belt (2), and a moving position after the feeding is completed and falls onto the conveying belt (2); The bag opening straightening mechanism includes two oppositely arranged straightening plates (4) and a straightening drive mechanism for driving the two straightening plates (4) to act, the two straightening plates are arranged between the outlet of the discharge bin (1) and the conveying belt (2), and have an open position and a straightening position for straightening the bag opening of the woven bag (3) during the process of the woven bag (3) falling from the feeding position to the moving position.

2. The woven bag screw weigh packer of claim 1 wherein, The straightening drive mechanism includes: Two rotation shafts (6) arranged in parallel and rotatably installed on a first support (5), the axial direction of the rotation shaft (6) is parallel to the extension direction of the straightening plate (4); Two meshed gears (7) connected in meshing manner, respectively sleeved on the corresponding rotation shaft (6) and rotatable in linkage with the rotation shaft (6); Two first connecting rods (8) respectively connecting the corresponding rotation shaft (6) and the straightening plate (4); A straightening drive assembly connected with one of the rotation shafts (6) and suitable for driving the rotation shaft (6) to rotate around the axial direction thereof.

3. The woven bag screw weigh packer of claim 2 wherein, The straightening drive assembly includes: A rotating arm (9) sleeved on the rotation shaft (6) at one end and suitable for driving the rotation shaft (6) to rotate; A first cylinder (11) connected with the other end of the rotating arm (9) and suitable for driving the rotating arm (9) to rotate.

4. The woven bag screw weigh packer according to claim 2 or 3, characterized in that, Further including: A second support (12) provided with a sliding rail (10) for reciprocating sliding of the first support (5), the sliding rail (10) is located above the conveying belt (2), and the arrangement direction thereof is parallel to the arrangement direction of the conveying belt (2); A motor drive assembly (13) connected with the first support (5) and suitable for driving the first support (5) to slide.

5. The woven bag screw weigh packer of claim 1 wherein, The clamping mechanism includes: Two oppositely arranged clamping plates (14) for clamping the bag opening of the woven bag (3) to the outer wall at the outlet of the discharge bin (1); Two groups of connecting rod assemblies respectively located at both ends of the length direction of the clamping plate (14), each group of connecting rod assemblies includes a "<" shaped second connecting rod (15) and a ">" shaped third connecting rod (16) arranged in left and right directions, the top of the second connecting rod (15) is hinged to the discharge bin (1), and the bottom is fixedly connected with the clamping plate (14), the top of the third connecting rod (16) is hinged to the discharge bin (1), and the bottom is fixedly connected with the clamping plate (14); A clamping cylinder assembly including a clamping cylinder (17) and a clamping push rod (18), the clamping push rod (18) is connected with the middle part of the second connecting rod (15), and the clamping cylinder (17) is connected with the middle part of the third connecting rod (16).

6. The woven bag screw weigh packer of claim 1 wherein, Further including: A feeding bin (19) is arranged on the top of the frame (20), and the bottom of the feeding bin (19) is provided with at least one feeding channel (21); A standby bin (22) is adapted to receive the material delivered by the feeding channel (21) and to deliver the material to the discharging bin (1), and a weighing module (23) is arranged between the standby bin (22) and the frame (20).

7. The woven bag screw weigh packer of claim 6 wherein, The feeding channel (21) is provided with a first baffle (24) arranged at the feeding inlet of the feeding channel (21) and a second baffle (25) arranged at the discharging outlet of the feeding channel (21).

8. The woven bag screw weigh packer of claim 6 or 7, wherein, The standby bin (22) is provided with a third baffle (26) for controlling the opening and closing of the discharging outlet of the standby bin (22) and a baffle cylinder (27) for controlling the action of the third baffle (26).

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