Rotating disc type packaging bag opening clamping conveyor

Abstract

The rotating disc type packaging bag opening clamping and conveying machine comprises a machine frame, a packaging bag conveying mechanism is arranged at the top of the machine frame, a bag opening clamping and conveying mechanism used for clamping packaging bag openings and conveying packaging bags is arranged on the machine frame, and a bag opening clamping and driving mechanism used for driving the bag opening clamping and conveying mechanism to clamp or loosen the packaging bag openings is arranged in the machine frame. According to the utility model, only one motor is needed to drive the upper clamping plate and the lower clamping plate to be closed so as to automatically clamp the bag mouth of each packaging bag, and a plurality of bag mouth clamping mechanisms do not need to be arranged for circulating transmission along with an assembly line, so that the bag mouth clamping mechanism has the advantages of simple structure, small size, small occupied space, low production cost and strong universality; the packaging bag sealing machine solves the problems that a traditional packaging bag sealing machine is complex in equipment structure, large in size, large in occupied space, high in production cost, complex in maintenance and high in maintenance cost due to the fact that a plurality of bag opening clamping mechanisms need to be arranged to conduct circulating transmission along with an assembly line to clamp the bag opening of each packaging bag on the assembly line when the traditional packaging bag sealing machine adopts the assembly line type layout.

Description

TECHNICAL FIELD

[0001] The utility model relates to a conveying machine field especially relates to a rotary table type packaging bag mouth clamping conveying machine. BACKGROUND

[0002] Product needs to carry out the sealing treatment to the packaging bag after bagging, and the traditional product packaging bag sealing adopts the assembly line type operation, and the bag mouth clamping mechanism mainly adopts two opposite setting air cylinders to drive the sealing head to seal the packaging bag, and the bag mouth clamping mechanism is driven with the assembly line to continuously clamp the same packaging bag mouth to the sealing station, and the assembly line type layout needs to be equipped with multiple bag mouth clamping mechanisms to circulate with the assembly line to meet the corresponding bag mouth clamping mechanism of each packaging bag on the assembly line, which leads to the equipment with the complex structure, large size, large space occupation, high production cost and inconvenient maintenance and the like, in addition, it also causes the application to have the limitation and the poor universality problem. SUMMARY

[0003] The utility model discloses a rotary table type packaging bag mouth clamping conveying machine which overcomes the defects of the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme: the rotary table type packaging bag mouth clamping conveying machine includes the rack, is equipped with the packaging bag conveying mechanism that receives and conveys the packaging bag on the top of the rack, is equipped with the bag mouth clamping conveying mechanism that clamps the packaging bag mouth and conveys the packaging bag on the rack, is equipped with the bag mouth clamping drive mechanism that drives the bag mouth clamping conveying mechanism to clamp or loosen the packaging bag mouth in the rack.

[0005] As preferred, the packaging bag conveying mechanism includes a rotary table arranged on the top of the rack, a plurality of positioning frames for accommodating the packaging bags are arranged on the circumferential edge of the rotary table, a first servo motor is arranged below the rotary table, the first servo motor is connected with the rotary table through a speed reducer, and the speed reducer is arranged on the rack.

[0006] Specifically, the positioning frame includes a reference baffle and two side plates, the two side plates are arranged in parallel on the rotary table, and the reference baffle is arranged on the rotary table and located between the two side plates close to the center of the rotary table.

[0007] As preferred, the bag mouth clamping conveying mechanism includes a spline shaft, the spline shaft is provided with an upper swing arm, a first spline shaft sleeve, a spline bearing and a second spline shaft sleeve from top to bottom, the upper swing arm is arranged on the top of the spline shaft, the first spline shaft sleeve, the second spline shaft sleeve and the spline bearing are respectively sleeved on the spline shaft, and the second spline shaft sleeve is arranged on the bottom of the rack, and the first spline shaft sleeve and the second spline shaft sleeve respectively move up and down on the spline shaft.

[0008] One end of the upper swing arm is connected and installed with the upper end of the spline shaft, and the other end of the upper swing arm is provided with an upper positioning plate, and one end of the first spline shaft sleeve is connected and installed with the upper swing arm.

[0009] The top of the second spline shaft sleeve is provided with a driven sprocket, and the driven sprocket is provided with a driving sprocket on one side, and the driving sprocket and the driven sprocket are connected with a chain, and the upper side of the driving sprocket is provided with a second servo motor, and the output end of the second servo motor is provided with a first shaft coupling, and the second servo motor is connected and installed with the driving sprocket through the first shaft coupling, and the rack is provided with a shaft coupling mounting plate, and the first shaft coupling is fixed in the rack through the shaft coupling mounting plate.

[0010] The bag opening clamping driving mechanism comprises a first linear sliding module and a second linear sliding module arranged on the inner side of the one side wall of the rack, and the first linear sliding module and the second linear sliding module are vertically and horizontally arranged, the sliding part of the first linear sliding module is provided with a first fork support, the first fork support is provided with a first fork, the first fork holds the first spline shaft sleeve, the sliding part of the second linear sliding module is provided with a second fork support, the second fork support is provided with a second fork, and the second fork holds the spline bearing.

[0011] Specifically, the bag opening clamping driving mechanism further comprises a third servo motor arranged on the outer side of the same side wall of the rack, and the inner side of the same side wall of the rack is provided with a driving lever, the output end of the third servo motor is provided with a second shaft coupling, and the third servo motor is connected and installed with the middle part of the driving lever through the second shaft coupling.

[0012] The two ends of the driving lever are respectively connected with a first connecting rod and a second connecting rod, one end of the first connecting rod is connected and installed with one end of the driving lever, the other end of the first connecting rod is connected and installed with one end of the first fork support, one end of the second connecting rod is connected and installed with the other end of the driving lever, and the other end of the second connecting rod is connected and installed with one end of the second fork support.

[0013] Specifically, the bottom surface of the rack is provided with a tensioning adjusting plate, the tensioning adjusting plate is provided with a tensioning sprocket, and the tensioning sprocket is located on one side of the chain, and the position of the tensioning sprocket installed on the bottom surface of the rack is adjusted through the tensioning adjusting plate to adjust the tension of the chain.

[0014] As preferred, a controller or control system is provided for signal control of components such as the packaging bag conveying mechanism, the bag mouth clamping conveying mechanism and the bag mouth clamping driving mechanism, etc., the controller being a PLC programmable logic controller, which can be of Model XDS-40T-D, but is not limited thereto. An operator can input various work parameters for controlling the operation of each mechanism into the controller or control system.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The packaging bag conveying mechanism, the bag mouth clamping conveying mechanism and the bag mouth clamping driving mechanism are designed and used in combination, so that one servo motor is used to drive the upper clamping plate and the lower clamping plate to clamp the bag mouth of the packaging bag, avoiding the design of two cylinders for driving the pressure head to press the bag mouth, and the structure of the turntable type packaging bag conveying mechanism is used in combination with the bag mouth clamping conveying mechanism to convey the packaging bag, so that the device has the advantages of small size, small occupied space, low production cost, easy maintenance, low maintenance cost and strong versatility, and the packaging bag will not be exposed during the turntable conveying process, improving the quality of product bagging and solving the problems of complex device structure, large size, large occupied space, high production cost, complex maintenance and high maintenance cost of the traditional packaging bag sealing machine using the assembly line type layout and requiring multiple bag mouth clamping mechanisms to circulate with the assembly line to meet the requirement that each packaging bag on the assembly line is provided with a corresponding bag mouth clamping mechanism.

[0017] 2. When the packaging bag filled with products is conveyed to the positioning frame, the packaging bag is positioned by the reference baffle and the two side plates, so that the packaging bag is neatly placed in the positioning frame and has the advantages of neat shape and accurate positioning, facilitating the bag mouth clamping conveying mechanism to accurately and neatly clamp the bag mouth of the packaging bag, ensuring more accurate positioning of the bag sealing and improving the quality of the bag sealing.

[0018] 3. The upper clamping plate and the lower clamping plate of the bag mouth clamping conveying mechanism can cyclically seal the bag mouth of the next packaging bag, avoiding the need for multiple bag mouth clamping structures on the assembly line to clamp the bag mouth of the packaging bag, thereby simplifying the device structure and reducing the production cost of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] For easy description, the utility model is described in detail by the following preferred embodiments and drawings.

[0020] Figure 1 It is a perspective view of the turntable type packaging bag mouth clamping conveyor of the utility model.

[0021] Figure 2 Figure 3 is a perspective view of the rotary disc type packaging bag mouth clamping conveyor of the present application at different angles.

[0022] Figure 3 Figure 4 is a perspective view of the packaging bag conveying mechanism of the rotary disc type packaging bag mouth clamping conveyor of the present application.

[0023] Figure 4 Figure 5 is an assembly perspective view of the packaging bag conveying mechanism and the bag mouth clamping conveying mechanism of the rotary disc type packaging bag mouth clamping conveyor of the present application.

[0024] Figure 5 Figure 6 is an assembly perspective view of the bag mouth clamping conveying mechanism and the bag mouth clamping driving mechanism of the rotary disc type packaging bag mouth clamping conveyor of the present application. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application.

[0027] Referring to Figures 1 to 2 The rotary disc type packaging bag mouth clamping conveyor of the present application includes a rack 1, the rack 1 is provided with a packaging bag conveying mechanism 2 for receiving and conveying the packaging bag, the rack 1 is provided with a bag mouth clamping conveying mechanism 3 for clamping and conveying the packaging bag, and the rack 1 is provided with a bag mouth clamping driving mechanism 4 for driving the bag mouth clamping conveying mechanism 3 to clamp or release the packaging bag.

[0028] In the present embodiment, when the packaging bag containing products is conveyed to the packaging bag conveying mechanism 2, the bag mouth clamping driving mechanism 4 drives the bag mouth clamping conveying mechanism 3 to clamp the packaging bag, and the bag mouth clamping conveying mechanism 3 and the packaging bag conveying mechanism 2 jointly convey the packaging bag to the next station and then automatically return to realize the reciprocating clamping and conveying of the packaging bag.

[0029] Referring to Figure 3As shown, the packaging bag conveying mechanism 2 comprises a rotating disc 21 arranged on the upper portion of the frame 1, a plurality of positioning frames 22 for accommodating the packaging bags are arranged on the circumferential edge portion of the rotating disc 21, a first servo motor 23 is arranged below the rotating disc 21, the first servo motor 23 is rotationally connected with the rotating disc 21 through a speed reducer 24, and the speed reducer 24 is arranged on the frame 1.

[0030] In the embodiment, when one of the positioning frames 22 on the rotating disc 21 receives a packaging bag, the first servo motor 23 drives the rotating disc 21 to rotate to convey the packaging bag to the next station, and the rotating disc type structure is adopted to convey the packaging bag, so that the conveying structure is small, the cost is low, and the conveying efficiency is high.

[0031] Referring to Figure 3 As shown, the positioning frame 22 comprises a reference baffle 221 and two side plates 222, the two side plates 222 are arranged in parallel on the rotating disc 21, and the reference baffle 221 is arranged on the rotating disc 21 and located between the two side plates 222 close to the center of the rotating disc 21.

[0032] In the embodiment, when the packaging bag is conveyed or placed on the positioning frame 22, the packaging bag is taken as a reference with the reference baffle 221 and the side plates 222 limit the side edges of the packaging bag, so that the packaging bag is placed in the positioning frame 22 in an orderly manner, to ensure that the bag mouth clamping conveying mechanism 3 can accurately and orderly clamp the bag mouth.

[0033] Referring to Figure 4 and Figure 5 As shown, the bag mouth clamping conveying mechanism 3 comprises a spline shaft 30, the spline shaft 30 is provided with an upper swing arm 31, a first spline shaft sleeve 32, a spline bearing 33 and a second spline shaft sleeve 34 from top to bottom, the upper swing arm 31 is arranged on the top of the spline shaft 30, the first spline shaft sleeve 32, the second spline shaft sleeve 34 and the spline bearing 33 are respectively sleeved on the spline shaft 30, and the second spline shaft sleeve 34 is arranged on the bottom of the frame 1, the first spline shaft sleeve 32 and the second spline shaft sleeve 34 respectively move up and down on the spline shaft 30. The spline bearing 33 is fixedly installed on the spline shaft 30 through a spline shaft clamp 331.

[0034] One end of the upper swing arm 31 is connected and installed with the upper end of the spline shaft 30, the other end of the upper swing arm 31 is provided with an upper positioning plate 35, and the end portion of the upper positioning plate 35 away from the spline shaft 30 is provided with an upper clamping plate 36; the first spline shaft sleeve 32 is arranged with a lower swing arm 37, one end of the lower swing arm 37 is connected and installed with the first spline shaft sleeve 32, the other end of the lower swing arm 37 is provided with a lower positioning plate 38, and the end of the lower positioning plate 38 away from the spline shaft 30 is provided with a lower clamping plate 39, and the upper clamping plate 36 and the lower clamping plate 39 are arranged opposite to each other.

[0035] The top of the second spline shaft sleeve 34 is provided with a driven sprocket 301, and the driven sprocket 301 is provided with a driving sprocket 302 on one side. The driving sprocket 302 is connected with the driven sprocket 301 through a chain 303. The upper side of the driving sprocket 302 is provided with a second servo motor 304. The output end of the second servo motor 304 is provided with a first shaft coupling 305. The second servo motor 304 is connected and installed with the driving sprocket 302 through the first shaft coupling 305. The rack 1 is provided with a shaft coupling mounting plate 306. The first shaft coupling 305 is fixed in the rack 1 through the shaft coupling mounting plate 306.

[0036] Referring to Figure 5 , the bag mouth clamping driving mechanism 4 includes a first linear sliding module 41 and a second linear sliding module 42 respectively arranged on the inner side of one side wall of the rack 1. The first linear sliding module 41 and the second linear sliding module 42 are vertically and parallelly arranged. The sliding part of the first linear sliding module 41 is provided with a first fork support 43. The first fork support 43 is provided with a first fork 44. The first fork 44 clamps the first spline shaft sleeve 32. The sliding part of the second linear sliding module 42 is provided with a second fork support 45. The second fork support 45 is provided with a second fork 46. The second fork 46 clamps the spline bearing 33. In this embodiment, the first linear sliding module 41 and the second linear sliding module 42 each include a sliding rail and a sliding part (i.e. a sliding block) arranged on the sliding rail, but are not limited thereto.

[0037] Referring to Figure 2 and Figure 5 , the bag mouth clamping driving mechanism 4 further includes a third servo motor 47 arranged on the outer side of the same side wall of the rack 1. The inner side of the same side wall of the rack 1 is provided with a driving lever 48. The output end of the third servo motor 47 is provided with a second shaft coupling 49. The third servo motor 47 is connected and installed with the middle part of the driving lever 48 through the second shaft coupling 49. The two ends of the driving lever 48 are respectively connected with a first connecting rod 401 and a second connecting rod 402. One end of the first connecting rod 401 is connected and installed with one end part of the driving lever 48. The other end of the first connecting rod 401 is connected and installed with one end part of the first fork support 43. One end of the second connecting rod 402 is connected and installed with the other end part of the driving lever 48. The other end of the second connecting rod 402 is connected and installed with one end part of the second fork support 45. The third servo motor 47 drives the driving lever 48 to swing. The driving lever 48 drives the first fork support 43 and the second fork support 45 to move longitudinally and dislocate on the first linear sliding module 41 and the second linear sliding module 42 respectively through the first connecting rod 401 and the second connecting rod 402.

[0038] In this embodiment, referring to Figure 2 , Figure 4 and Figure 5As shown, the bag mouth clamping driving mechanism 4 can drive the first and second shift fork supports 43 and 45 to move longitudinally on the first and second linear sliding modules 41 and 42, respectively. When the first shift fork 44 drives the first spline shaft sleeve 32 to rise on the spline shaft 30 to drive the lower swing arm 37, the lower positioning plate 38 and the lower clamping plate 39 to rise, the second shift fork 46 drives the spline bearing 33 to descend and in turn drives the spline shaft 30 to descend, the spline shaft 30 drives the upper swing arm 31, the upper positioning plate 35 and the upper clamping plate 36 to descend, and the descending upper clamping plate 36 is closed with the rising lower clamping plate 39 to clamp the bag mouth in the positioning frame 22 of the turntable 21. When the third servo motor 47 drives the driving lever 48 to swing reversely, the upper and lower clamping plates 36 and 39 are separated to release the bag mouth in the positioning frame 22 of the turntable 21. After the upper and lower clamping plates 36 and 39 clamp the bag mouth, the second servo motor 304 drives the driving sprocket 302 to rotate, the driving sprocket 302 drives the driven sprocket 301 through the chain 303, the driven sprocket 301 is fixedly installed with the second spline shaft sleeve 34 which is installed on the bottom of the rack 1, the rotating driven sprocket 301 drives the spline shaft 30 to rotate and in turn drives the upper and lower clamping plates 36 and 39 to move along the circular track around the spline shaft 30, and the upper and lower clamping plates 36 and 39 clamp the bag mouth together and convey the bag with the turntable 21 to the next station.

[0039] Referring to Figure 4 As shown, the rack 1 is provided with a tensioning adjusting plate 5 on the bottom surface, and the tensioning adjusting plate 5 is provided with a tensioning sprocket 6 which is located on one side of the chain 303.

[0040] In this embodiment, the tensioning sprocket 6 is adjusted by the tensioning adjusting plate 5 to adjust the position of the chain 303 on the bottom surface of the rack 1.

[0041] The working process of the turntable type bag mouth clamping conveyor is as follows: first, the bag containing products is placed on the bag conveying mechanism 2, after one of the positioning frames 22 on the turntable 21 of the bag conveying mechanism 2 receives the bag, the upper and lower clamping plates 36 and 39 of the bag mouth clamping conveying mechanism 3 are closed to clamp the bag mouth in the positioning frame 22 of the turntable 21 under the drive of the third servo motor 47, the spline shaft 30 is driven to rotate under the drive of the second servo motor 304, the upper and lower clamping plates 36 and 39 are driven to move along the circular track around the spline shaft 30, and the bag is conveyed to the next station together with the bag conveying mechanism 2, and the process is repeated.

[0042] The overall structural design realizes that only one servo motor can drive the upper clamping plate 36 to close and automatically clamp the bag opening of each packaging bag, which not only avoids the traditional need to use two cylinders to drive the pressure head to press the bag opening, but also does not need to be equipped with multiple bag opening clamping mechanisms to circulate with the assembly line, so as to achieve the purposes of simple structure, small size, small space occupation, low production cost and low maintenance cost, and has the advantages of strong universality, effectively solves the problems of complex equipment structure, large equipment size, large equipment space occupation, high production cost, complex maintenance and high maintenance cost of the traditional packaging bag sealing machine which needs to be equipped with multiple bag opening clamping mechanisms to circulate with the assembly line to meet the requirement that each packaging bag on the assembly line is equipped with a corresponding bag opening clamping mechanism.

[0043] The above examples are only one example of the present application and are not intended to limit the implementation and scope of the present application. Any technical solution identical or equivalent to the content described in the claims of the present application should be included in the protection scope of the present application.

Claims

1. A rotary packaging bag mouth clamping conveyor, including a frame, characterized in that: The top of the frame is equipped with a packaging bag conveying mechanism that receives and conveys packaging bags. The frame is equipped with a bag mouth clamping and conveying mechanism that clamps and conveys packaging bags. Inside the frame is a bag mouth clamping drive mechanism that drives the bag mouth clamping and conveying mechanism to clamp or release the packaging bag mouth.

2. The rotary packaging bag mouth clamping conveyor according to claim 1, characterized in that: The packaging bag conveying mechanism includes a turntable mounted on a frame. Several positioning frames for accommodating packaging bags are provided on the circumferential edge of the turntable. A first servo motor is located below the turntable. The first servo motor is rotatably connected to the turntable through a reducer, which is mounted on the frame.

3. The rotary packaging bag mouth clamping conveyor according to claim 2, characterized in that: The positioning frame includes a reference baffle and two side plates. The two side plates are mounted parallel to each other on the turntable, and the reference baffle is mounted on the turntable and located between the two side plates near the center of the turntable.

4. The rotary packaging bag mouth clamping conveyor according to claim 1, characterized in that: The bag mouth clamping and conveying mechanism includes a spline shaft. The spline shaft is provided with an upper swing arm, a first spline shaft sleeve, a spline bearing, and a second spline shaft sleeve from top to bottom. The upper swing arm is installed on the top of the spline shaft. The first spline shaft sleeve, the second spline shaft sleeve, and the spline bearing are respectively sleeved on the spline shaft, and the second spline shaft sleeve is installed on the bottom of the frame. The first spline shaft sleeve and the second spline shaft sleeve move up and down on the spline shaft respectively. One end of the upper swing arm is connected to the upper end of the spline shaft, and the other end of the upper swing arm is provided with an upper positioning plate. The end of the upper positioning plate away from the spline shaft is provided with an upper clamping plate. A lower swing arm is installed on the first spline shaft sleeve. One end of the lower swing arm is connected to the first spline shaft sleeve, and the other end of the lower swing arm is provided with a lower positioning plate. The end of the lower positioning plate away from the spline shaft is provided with a lower clamping plate. The upper clamping plate and the lower clamping plate are arranged opposite to each other. The second spline bushing is equipped with a driven sprocket on its top, and a driving sprocket is provided on one side of the driven sprocket. A chain connects the driving sprocket and the driven sprocket. A second servo motor is provided on the upper side of the driving sprocket. A first coupling is provided at the output end of the second servo motor. The second servo motor is connected and installed to the driving sprocket through the first coupling. A coupling mounting plate is provided inside the frame. The first coupling is fixed inside the frame through the coupling mounting plate. The bag opening clamping drive mechanism includes a first linear sliding module and a second linear sliding module respectively disposed on the inner side of one side wall of the frame, and the first linear sliding module and the second linear sliding module are arranged vertically parallel. The sliding part of the first linear sliding module is provided with a first shift fork bracket, the first shift fork bracket is provided with a first shift fork, and the first shift fork holds a first spline bushing. The sliding part of the second linear sliding module is provided with a second shift fork bracket, the second shift fork bracket is provided with a second shift fork, and the second shift fork holds a spline bearing.

5. The rotary packaging bag mouth clamping conveyor according to claim 4, characterized in that: The bag mouth clamping drive mechanism also includes a third servo motor located on the outer side of the same side wall of the frame, a drive lever located on the inner side of the same side wall of the frame, a second coupling located on the output end of the third servo motor, and the third servo motor connected and installed to the middle of the drive lever through the second coupling. The two ends of the drive lever are respectively connected to a first link and a second link. One end of the first link is connected to one end of the drive lever, and the other end of the first link is connected to one end of the first shift fork bracket. One end of the second link is connected to the other end of the drive lever, and the other end of the second link is connected to one end of the second shift fork bracket.

6. The rotary packaging bag mouth clamping conveyor according to claim 4, characterized in that: The bottom surface of the frame is provided with a tension adjustment plate, and the tension adjustment plate is provided with a tension sprocket. The tension sprocket is located on one side of the chain. The tension sprocket is adjusted by the tension adjustment plate to adjust its position on the bottom surface of the frame in order to adjust the tension of the chain.

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