Transverse packaging bag feeding mechanism of bag feeding machine

Abstract

The utility model provides a packaging bag transverse feeding mechanism of a bag feeding machine, which comprises a base, a rotating turntable and bag clamping components (comprising a left clamping arm and a right clamping arm which are meshed by a sector gear) which are uniformly distributed on the circumference, the bag clamping components are arranged on an overturning seat, and 90-degree overturning is realized through an overturning roller or an overturning cylinder which is driven by a cam disc, so that a packaging bag is changed from a vertical state to a horizontal state to be transversely arranged; a sliding sleeve on the rotating shaft drives a right clamping arm shifting groove through an opening and closing driving mechanism (an opening and closing guide rail / air cylinder), and transverse opening and closing of the left clamping arm and the right clamping arm are achieved. A feeding mechanism (a conveying belt and a pressing plate) with an adjustable partition plate and a pushing mechanism (a linear module pushing block and a bag opening air cylinder) are arranged on the loading station, and materials are stably and horizontally pushed into bags. The problems of bag clamping, deformation and unreliable bag entering of materials during vertical bag clamping are solved, the adaptability is high, and the bagging quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bag feeding type packaging machinery, and specifically relates to a packaging bag transverse feeding mechanism of a bag feeding machine. BACKGROUND

[0002] The patent with the Chinese invention patent authorization announcement number CN 222892264 U discloses an M bag machine clamping and opening bag device of a bag feeding machine, which comprises a rotating disc, a left clamping arm and a right clamping arm, the rotating disc is installed on a rotating shaft, the left clamping arm and the right clamping arm are rotatably installed on the rotating disc through a shaft, a fan-shaped gear is arranged at one end of the left clamping arm and one end of the right clamping arm respectively, and the two fan-shaped gears are in meshing transmission, the other end of the left and right clamping arms is respectively provided with a front clamp and a rear clamp, further comprising a front seat, an opening bag roller is arranged at the lower end of the front seat, the front seat is in transmission connection with the rear clamp through an opening bag first pull rod, the opening bag roller is located at the edge position of the rotating disc, an opening bag guide rail is arranged corresponding to the opening bag roller, the opening bag guide rail is in an arc shape and is arranged outside the edge position of the rotating disc, a reset assembly is further arranged between the front seat and the rotating disc, after the opening bag roller rolls to the opening bag guide rail along the rotating disc, the opening bag roller is in contact with the opening bag guide rail under the action of the reset assembly, so that the position of the opening bag roller is retracted to the inside of the rotating disc, and the rear clamp is driven to retract to make it away from the front clamp. Since the opening bag guide rail is arranged outside the edge of the rotating disc, and the opening bag roller is located at the edge position of the rotating disc, the disassembly and maintenance of the opening bag roller and the opening bag guide rail are more convenient, the structure is optimized, and the transmission efficiency is high.

[0003] However, in the M bag clamping and opening bag device of the existing bag feeding machine, the packaging bag clamped by the clamping arm remains in a vertical state and rotates with the rotating disc, and the material falls into the bag from top to bottom during feeding. For the scene of filling small bags with material into large bags, due to the weight difference of the material (for example, heavy bags fall to the bottom of the bag first, and light bags are easy to be stuck in the bag opening), the reliability of the material into the bag is poor, the bag opening is difficult to seal, and the material is not neatly stacked and is easy to deform during the falling type filling, which affects the appearance. In addition, the clamping arm in a vertical state cannot adapt to the horizontal overall filling requirement. SUMMARY

[0004] To solve the above problems, the purpose of the utility model is to provide a packaging bag transverse feeding mechanism of a bag feeding machine, which solves the problems of unreliable, irregular and poor adaptability of the material into the bag caused by the vertical clamping bag in the prior art, realizes the horizontal transverse of the packaging bag, stable opening of the bag and stable pushing of the material into the bag.

[0005] In order to achieve the above object, the utility model provides a packaging bag transverse feeding mechanism of a bag feeding machine, which comprises: a base; a rotating disc rotatably mounted on the base; bag clamping assemblies evenly distributed on the edge of the rotating disc; the bag clamping assemblies comprise left and right clamping arms driven by a sector gear; the bag clamping assemblies are mounted on a turnover seat rotatably mounted on the edge of the rotating disc by a rotating shaft and driven to turn over by 90 degrees by a turnover driving mechanism, so that the packaging bag clamped by the left and right clamping arms is turned from a vertical state to a horizontal transverse state with the bag opening facing outward; a slidable sleeve is sleeved on the rotating shaft; a slot is arranged on the right clamping arm; a convex shaft is arranged on the sleeve; the convex shaft penetrates through the slot; the sleeve is driven to move along the rotating shaft by a opening and closing driving mechanism; the right clamping arm is driven to rotate by the cooperation of the convex shaft and the slot; and the left and right clamping arms are opened or closed in the transverse direction.

[0006] The turnover driving mechanism comprises a cam disc fixed above the base, a cam groove is arranged on the cam disc, a turnover roller is arranged in the cam groove, the turnover roller is mounted on one end of a connecting plate, a guide rail corresponding to the connecting plate is arranged on the rotating disc, a sliding seat is arranged on the guide rail, and a first pull rod is hingedly connected between the sliding seat and the turnover seat.

[0007] The opening and closing driving mechanism comprises an opening and closing guide rail, an opening and closing roller, a transmission arm and a fixed seat fixed on the rotating disc, the opening and closing guide rail is fixed on the base, a rotatable transmission shaft is mounted on the fixed seat, a first swing arm is connected to one end of the transmission shaft, the opening and closing roller is mounted on the end of the first swing arm, a second swing arm is connected to the other end of the transmission shaft, a second pull rod is arranged between the second swing arm and the transmission arm, a second guide rail is arranged below the rotating disc, a second sliding seat sliding along the second guide rail is arranged on the second guide rail, the transmission arm is fixed on the second sliding seat, the transmission arm comprises two symmetrically arranged supporting arms, the end of the supporting arm is sleeved on the rotating shaft to slide, the sleeve is arranged between the two supporting arms, a convex plate is arranged on the opening and closing guide rail, when the opening and closing roller rolls on the convex plate, the first swing arm swings upward, the transmission arm is driven to slide along the second guide rail through the transmission shaft and the second swing arm, the transmission arm drives the sleeve to move along the rotating shaft, and the right clamping arm is driven to rotate, and since the left and right clamping arms are connected through the sector gear, the ends of the left and right clamping arms are opened or closed in the transverse direction.

[0008] The feeding mechanism comprises a feeding table, a conveying belt arranged above the feeding table, the conveying belt being driven by a motor, the conveying belt being provided with uniformly distributed partitions, the partitions between adjacent partitions forming a grid for placing materials, a lifting cylinder being further arranged above the feeding table, and a pressing plate for pressing the materials being connected to a piston rod of the lifting cylinder; the grid passes through a baffle and then indirectly stops at a pushing position, the pushing mechanism comprises a pushing table mounted on a side of the feeding table, a linear motion module being arranged on the pushing table, a push rod and a push block being arranged on a slider of the linear motion module, a material positioning plate being arranged above the pushing position and driven by a compacting cylinder, a bag feeding hopper being arranged on the other side of the pushing position, bag supporting plates being arranged on both sides of an outlet end of the bag feeding hopper, the bag supporting plates being rotatably mounted on the bag feeding hopper through inserting shafts, third swing arms being connected to ends of the inserting shafts, and a horizontal plate being hingedly connected between the third swing arms, a bag supporting cylinder being arranged on the feeding table and having a piston rod connected to the horizontal plate.

[0009] The conveying belt is arranged in a split manner and comprises a left conveying belt and a right conveying belt, the partitions on the left conveying belt and the right conveying belt being arranged in an alternating manner, and the left conveying belt and the right conveying belt being respectively wound around two belt pulleys.

[0010] The overturning driving mechanism is an overturning cylinder, and the opening and closing driving mechanism is an opening and closing driving cylinder.

[0011] The packaging bag is horizontally arranged, the materials can be pushed into the bag as a whole, deformation and material jamming at the bag opening caused by falling impact are avoided, and the bag feeding is more stable and reliable.

[0012] 1. The packaging bag is horizontally arranged, the materials can be pushed into the bag as a whole, deformation and material jamming at the bag opening caused by falling impact are avoided, and the bag feeding is more stable and reliable.

[0013] 2. The overturning driving and the opening and closing driving structure of the clamping arm are optimized, the transmission efficiency is high, and the disassembly, assembly and maintenance are convenient.

[0014] 3. The adjustable partition, the compacting and the bag supporting design of the loading station are suitable for different specifications of materials and packaging bags, and have high universality.

[0015] 4. The problems of stratification of heavy and light materials, misalignment of the bag opening and the like when the bag is vertically clamped are solved, and the bag loading quality and the subsequent heat sealing effect are improved.

[0016] The utility model will be further described in connection with the drawings and specific embodiments. DRAWINGS

[0017] Figure 1 It is a perspective view of the specific embodiment of the utility model;

[0018] Figure 2 It is a structure diagram of the loading station in the specific embodiment of the utility model;

[0019] Figure 3 It is a partial structure diagram of the specific embodiment of the utility model;

[0020] Figure 4 is a perspective view of the turntable in the specific embodiment of the utility model;

[0021] Figure 5 is a structure view of the turnover driving mechanism in the specific embodiment of the utility model;

[0022] Figure 6 is a structure view of the opening and closing driving mechanism in the specific embodiment of the utility model.

[0023] Mark 1 - base; 2 - turntable; 3 - bag clamping assembly; 31 - left clamping arm; 32 - right clamping arm; 33 - sector gear; 4 - turnover seat; 5 - turnover driving mechanism; 51 - cam disc; 52 - turnover roller; 53 - connecting plate; 54 - guide rail; 55 - sliding seat; 56 - first pull rod; 6 - opening and closing driving mechanism; 61 - opening and closing guide rail; 62 - opening and closing roller; 63 - transmission shaft; 64 - first swing arm; 65 - second swing arm; 66 - second pull rod; 67 - second guide rail; 68 - second sliding seat; 69 - transmission arm; 691 - branch arm; 7 - sliding sleeve; 8 - rotating shaft; 9 - loading station; 91 - feeding mechanism; 911 - feeding table; 913 - partition plate; 914 - lattice bin; 915 - baffle; 917 - lifting cylinder; 918 - pressing plate; 92 - pushing mechanism; 921 - pushing table; 922 - linear motion module; 923 - push rod; 924 - push block; 925 - compaction cylinder; 926 - fixed material pressing plate; 927 - bag feeding hopper; 928 - bag supporting plate; 929 - third swing arm; 930 - cross plate; 931 - bag supporting cylinder; 321 - slot; 71 - convex shaft. Specific embodiment

[0024] The utility model will be specifically described below through examples, which is only for further illustrating the utility model and cannot be understood as limiting the protection scope of the utility model.

[0025] As Figure 1 — Figure 6As shown, the embodiment discloses a packaging bag transverse feeding mechanism of a bagging machine, which comprises a base 1, a rotating disc 2 rotatably mounted on the base 1, bag clamping assemblies 3 evenly distributed on the edge of the rotating disc 2, the bag clamping assemblies 3 comprising left clamping arms 31 and right clamping arms 32 driven by a sector gear 33, the bag clamping assemblies 3 being mounted on a turnover seat 4, the turnover seat 4 being rotatably mounted on the edge of the rotating disc 2 through a rotating shaft 8 and being driven to turn over by 90° through a turnover driving mechanism 5, so that the packaging bags clamped by the left clamping arms 31 and the right clamping arms 32 are turned from a vertical state to a horizontal transverse state with the bag opening facing outward, a sliding sleeve 7 being sleeved on the rotating shaft 8, a push slot 321 being arranged on the right clamping arms 32, a convex shaft 71 being arranged on the sliding sleeve 7, the convex shaft passing through the push slot, and the sliding sleeve 7 being driven to move along the rotating shaft 8 through a tension and closing driving mechanism 6, and then driving the right clamping arms 32 to rotate through the cooperation of the convex shaft and the push slot, so that the left clamping arms 31 and the right clamping arms 32 are opened or closed in the transverse direction; wherein, when the bag clamping assemblies 3 are rotated to a feeding station, the feeding station comprises a feeding mechanism 91 for placing materials and pushing the materials into the packaging bags and a pushing mechanism 92.

[0026] The turnover driving mechanism 5 comprises a cam disc 51 fixed above the base 1, the cam disc 51 being provided with a cam groove, a turnover roller 52 being arranged in the cam groove, the turnover roller 52 being mounted on one end of a connecting plate 53, the rotating disc 2 being provided with guide rails 54 corresponding to the connecting plate 53 one by one, the guide rails 54 being provided with sliding seats 55, and a first pull rod 56 being hinged between the sliding seats 55 and the turnover seat 4.

[0027] The tension and closing driving mechanism 6 comprises tension and closing guide rails 61, tension and closing rollers 62, a transmission shaft 63, a second swing arm 65, a second pull rod 66, second guide rails 67, second sliding seats 68, and a fixed seat fixed on the rotating disc 2, the tension and closing guide rails 61 being provided with convex plates, the tension and closing rollers 62 being rolled onto the convex plates, and the sliding sleeve 7 being driven to move along the rotating shaft 8 through the first swing arm 64, the transmission shaft 63, the second swing arm 65, the second pull rod 66, and a transmission arm 69 on the second sliding seat 68 connected in sequence; the transmission arm 69 comprising two symmetrically arranged branch arms 691, the end portions of the branch arms 691 being sleeved on the rotating shaft 8 to slide, and the sliding sleeve 7 being arranged between the two branch arms 691.

[0028] The feeding mechanism 91 comprises a feeding table 911, and a conveying belt is arranged above the feeding table 911 and is driven by a motor. The conveying belt is provided with uniformly distributed partitions 913, and the adjacent partitions 913 form a grid bin 914 for placing materials. The feeding table 911 is further provided with a lifting cylinder 917, and a pressing plate 918 for pressing the materials is connected to the piston rod of the lifting cylinder 917. The grid bin 914 indirectly stops after passing through a baffle 915, and the pushing mechanism 92 comprises a pushing table 921 mounted on the side of the feeding table 911. The pushing table 921 is provided with a linear motion module 922, and a push rod 923 and a push block 924 are arranged on the sliding block of the linear motion module 922. The top of the pushing position is provided with a material positioning plate 926 driven by a compaction cylinder 925, and the other side of the pushing position is provided with a bag feeding hopper 927. The outlet ends of the bag feeding hopper 927 are respectively provided with bag supporting plates 928 which are rotatably installed on the bag feeding hopper 927 through inserting shafts. The ends of the two inserting shafts are respectively connected with third swing arms 929, and the two third swing arms 929 are hingedly connected with a horizontal plate 930. The bag supporting cylinder 931 is arranged on the feeding table 911 and is connected with the horizontal plate 930. In order to realize the telescopic movement of the bag feeding hopper, a guide rod is arranged on the feeding table 911, and a sliding frame which slides along the guide rod is arranged on the guide rod. The bag feeding hopper 927 and the bag supporting cylinder 931 are installed on the sliding frame, and the sliding frame is driven by a sliding cylinder.

[0029] The conveying belt is arranged in a split manner and comprises a left conveying belt and a right conveying belt. The partitions 913 on the left conveying belt and the right conveying belt are arranged alternately, and the left conveying belt and the right conveying belt are respectively wound around two corresponding pulleys.

[0030] The turnover driving mechanism 5 is a turnover cylinder, and the opening and closing driving mechanism 6 is an opening and closing driving cylinder.

[0031] Working principle: the turnover seat is driven to turn over 90° by the turnover driving mechanism (cam disc + turnover roller or turnover cylinder), so that the packaging bag is changed from vertical to horizontal and the bag opening faces outward. A sliding sleeve is sleeved on the rotating shaft, a right clamping arm is provided with a push groove, the sliding sleeve is matched with the push groove through a convex shaft, the sliding sleeve is moved by the opening and closing driving mechanism (opening and closing guide rail + opening and closing roller or opening and closing cylinder), and the left and right clamping arms are opened and closed transversely (the bag opening is opened / closed) through the push groove. When the rotating disc rotates to the material loading station, the bag clamping assembly stops intermittently, and the left and right clamping arms are transversely opened to open the bag opening of the packaging bag. The material loading station pushes the materials into the packaging bag.

[0032] Subsequent material loading station working:

[0033] The feeding mechanism is provided with a conveying belt above the feeding table (divided left and right conveying belts, with partition plates arranged alternately and adjustable spacing), the conveying belt is driven by a motor, a pressing plate connected with a lifting cylinder is arranged above the conveying belt to form a grid bin between the partition plates for placing materials; the materials pass below the pressing plate, and are pre-pressed and shaped when intermittently stopped, and then are pushed to the pushing position (the position where the grid bin enters after the baffle).

[0034] The pushing mechanism: the pre-pressed and shaped materials are on the pushing position, a material positioning pressing plate driven by a compacting cylinder is arranged above the pushing position, the material positioning pressing plate is pressed and positioned, the other side is provided with a telescopic bag feeding hopper, the bag opening is opened by the bag opening supporting plate opened by the bag opening supporting cylinder on both sides of the bag feeding hopper outlet; the slider on the linear motion module is connected with the push rod and the push block, and the materials in the grid bin are pushed; the materials pass through the material positioning pressing plate and the bag feeding hopper, and are pushed into the horizontally placed packaging bag by the push block, after the materials are put into the bag, the bag opening supporting plates on both sides of the bag feeding hopper are retracted, and the material positioning pressing plate is reset.

[0035] After the above technical scheme is adopted, the following technical effects can be achieved:

[0036] 1. The packaging bag is horizontally placed, the materials can be pushed into the bag as a whole, the deformation and material jamming caused by falling impact are avoided, and the bag feeding is more stable and reliable;

[0037] 2. The turning drive and the clamping arm opening and closing drive structure are optimized, the transmission efficiency is high, and the disassembly, assembly and maintenance are convenient;

[0038] 3. The adjustable partition plate of the loading station and the compacting and bag opening supporting design are suitable for different specifications of materials and packaging bags, and have high universality;

[0039] 4. The problems of stratification of heavy and light materials, uneven bag opening and the like when the packaging bag is vertically clamped are solved, and the bagging quality and the subsequent heat sealing effect are improved.

Claims

1. A crosswise feed mechanism for a bag machine, comprising: Base (1); rotary disc (2) rotatably mounted on the base (1); Bag clamping assembly (3) evenly distributed on the edge of the rotary disc (2), the bag clamping assembly (3) includes left clamping arm (31) and right clamping arm (32) driven by engaging fan-shaped gear (33); characterized in that the bag clamping assembly (3) is installed on a turnover seat (4), the turnover seat (4) is rotatably mounted on the edge of the rotary disc (2) through a rotating shaft (8), and is driven to turn over 90° through a turnover driving mechanism (5), so that the packaging bag clamped by the left clamping arm (31) and the right clamping arm (32) is turned from vertical state to horizontal state with the bag opening outward; the rotating shaft (8) is sleeved with a slidable sliding sleeve (7), the right clamping arm (32) is provided with a push slot (321), the sliding sleeve (7) is provided with a convex shaft (71), the convex shaft passes through the push slot, and the sliding sleeve (7) is driven to move along the rotating shaft (8) through a tension and closing driving mechanism (6), and then drives the right clamping arm (32) to rotate through the cooperation of the convex shaft and the push slot, so that the left clamping arm (31) and the right clamping arm (32) are opened or closed in the transverse direction; wherein the bag clamping assembly (3) is rotated to a loading station, the loading station includes a feeding mechanism (91) and a pushing mechanism (92) for placing materials and pushing the materials into the packaging bag.

2. The transversely feeding mechanism of a bagging machine according to claim 1, wherein The turnover driving mechanism (5) includes a cam disc (51) fixed above the base (1), the cam disc (51) is provided with a cam groove, a turnover roller (52) is arranged in the cam groove, the turnover roller (52) is installed at one end of a connecting plate (53), the rotary disc (2) is provided with a guide rail (54) corresponding to the connecting plate (53), the guide rail (54) is provided with a sliding seat (55), and a first pull rod (56) is hinged between the sliding seat (55) and the turnover seat (4).

3. The transversely feeding mechanism of a bagging machine according to claim 1, wherein, The opening and closing driving mechanism (6) comprises an opening and closing guide rail (61), an opening and closing roller (62), a transmission arm (69) and a fixing seat fixed on the rotating disc, the opening and closing guide rail (61) is fixed on the base, a rotatable transmission shaft (63) is installed on the fixing seat, one end of the transmission shaft (63) is connected with a first swing arm (64), the end of the first swing arm (64) is provided with the opening and closing roller (62), the other end of the transmission shaft (63) is connected with a second swing arm (65), a second pull rod (66) is arranged between the second swing arm (65) and the transmission arm (69), a second guide rail (67) is arranged below the rotating disc, a second sliding seat (68) sliding along the second guide rail (67) is arranged on the second guide rail (67), the transmission arm (69) is fixed on the second sliding seat (68), the transmission arm (69) comprises two symmetrical supporting arms (691), the end of the supporting arm (691) is sleeved on the rotating shaft (8) and slides, the sliding sleeve (7) is arranged between the two supporting arms (691), a protruding plate is arranged on the opening and closing guide rail (61), when the opening and closing roller (62) rolls on the protruding plate, the first swing arm (64) swings upward, and the transmission arm (69) is driven to slide along the second guide rail (67) through the transmission shaft (63) and the second swing arm (65), the transmission arm (69) drives the sliding sleeve (7) to move along the rotating shaft (8), and then the right clamping arm is actuated to rotate, so that the ends of the left and right clamping arms are transversely opened or closed.

4. The bag-on-valve mechanism of claim 1, wherein, The feeding mechanism (91) comprises a feeding table (911), a conveying belt is arranged above the feeding table (911), the conveying belt is driven by a motor, the conveying belt is provided with uniformly distributed partition plates (913), and a grid bin (914) for placing materials is formed between adjacent partition plates (913). The feeding table (911) is further provided with a lifting cylinder (917) above, and a pressing plate (918) for compacting materials is connected to the piston rod of the lifting cylinder (917). The grid bin (914) indirectly stops after passing through a baffle (915), the pushing mechanism (92) comprises a pushing table (921) installed on the side of the feeding table (911), the pushing table (921) is provided with a linear motion module (922), a push rod (923) and a push block (924) are arranged on the sliding block of the linear motion module (922), the top of the pushing position is provided with a material positioning plate (926) driven by a compacting cylinder (925), and the other side of the pushing position is provided with a bag feeding hopper (927). The outlet ends of the bag feeding hoppers (927) are respectively provided with bag supporting plates (928), the two bag supporting plates (928) are rotatably installed on the bag feeding hoppers (927) through inserting shafts, the ends of the two inserting shafts are respectively connected with third swing arms (929), and a horizontal plate (930) is hinged between the two third swing arms (929). The feeding table (911) is provided with a bag supporting cylinder (931), and the piston rod of the bag supporting cylinder (931) is connected with the horizontal plate (930).

5. The bag-on-valve cross feed mechanism of claim 4 wherein, The conveying belt is split into a left conveying belt and a right conveying belt, the partitions (913) on the left and right conveying belts are arranged alternately, and the left and right conveying belts are respectively wound around two pulleys.

6. The bag-on-valve mechanism of claim 1, wherein, The turnover driving mechanism (5) is a turnover cylinder, and the opening and closing driving mechanism (6) is an opening and closing driving cylinder.

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