Conveying device for food packaging paper bag production

Abstract

The invention relates to the technical field of conveying devices, and discloses a conveying device for food packaging paper bag production, which comprises a positioning transmission device, one side of the front surface of the positioning transmission device is provided with a conveying transmission assembly, the conveying transmission assembly comprises a power assembly, and the front surface of the power assembly is provided with a conveying wheel assembly. An air pump assembly is installed on the front face of the conveying wheel assembly, a collecting box is fixedly connected to the back face of the positioning conveying device, and a pushing assembly is arranged on the back face of the conveying wheel assembly. When a paper tape is conveyed, the power assembly works to drive the conveying wheel assembly to rotate, the paper tape located at the top of the transmission belt is conveyed through the conveying wheel assembly, the transmission belt can be driven to move, then transmission wheels rotate synchronously, and the paper tape needing to be conveyed penetrates through a binding groove; therefore, the paper tape can be bound and limited, and the paper tape can be effectively conveyed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of conveying devices, more particularly to a conveying device for food packaging paper bag production. BACKGROUND

[0002] In the automatic production of food packaging paper bags, the conveying device of the raw material paper strip is a core link. Its core function is to constantly, smoothly and accurately pull the coiled cylindrical or flat raw material paper strip to the subsequent printing, die cutting, forming and other workstations.

[0003] The traditional device mainly consists of a unwinding mechanism, a tension control system, a deviation correction mechanism and a driving roller. The unwinding mechanism carries the paper roll and controls its inertial release; the tension system ensures the constant tension of the paper strip during conveying through the magnetic powder brake or floating roller structure, preventing slack wrinkles or excessive stretching and breaking; the deviation correction mechanism uses photoelectric sensors to monitor the paper strip edge position and adjusts the guide roller in real time to correct the deviation and ensure the accuracy of subsequent processing. The whole device works cooperatively to realize the conversion of the paper strip from the raw material roll to a continuous, stable and aligned movement path, laying a solid foundation for high-speed and high-quality bag forming.

[0004] The existing conveying device for food packaging paper bag production has some deficiencies in use, as follows: the existing equipment can only convey the paper strip, but in the paper bag production process, different holes need to be opened on the paper strip during conveying according to different production needs, so a hole opening device needs to be installed at the starting position of the conveying equipment, resulting in a large equipment footprint, and the friction coefficient of the conveying wheel also needs to be replaced accordingly when conveying paper bags of different thicknesses, so a lot of time is spent on the conveying wheel when the existing equipment is used to convey paper strips of different thicknesses, which is inconvenient for users to use. SUMMARY

[0005] In order to overcome the above-mentioned defects of the prior art, the present application provides a conveying device for food packaging paper bag production to solve the problems existing in the background art.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a conveying device for food packaging paper bag production, comprising a positioning transmission device, one side of the front face of the positioning transmission device is provided with a conveying transmission assembly, the conveying transmission assembly comprises a power assembly, the front face of the power assembly is provided with a conveying wheel assembly, the front face of the conveying wheel assembly is provided with a gas pump assembly, the back face of the positioning transmission device is fixedly connected with a collection box, the back face of the conveying wheel assembly is provided with a pushing assembly, the other side of the collection box is provided with a collection drawer, one side of the collection drawer is fixedly connected with a transmission square tube, the front face of the other side of the transmission square tube is fixedly connected with a stepped transmission tube, when the conveying wheel assembly completely seals the cutting groove, the packaging paper tape can be conveyed, when the position of the conveying wheel assembly relative to the power assembly rotates, the rotation of the conveying wheel assembly increases the friction between the conveying wheel assembly and the paper tape, when the conveying wheel assembly is completely rotated to the gap between the transmission teeth, the paper tape can be punched or slotted by the transmission teeth, and the conveying wheel assembly can be replaced according to actual processing requirements to control the spacing between the slots on the paper tape.

[0007] Further, the positioning transmission device comprises a first L-shaped positioning plate, a positioning circular hole is formed in the top of the front face of the first L-shaped positioning plate, a first positioning shaft is installed on the front face of the first L-shaped positioning plate, a transmission wheel is fixedly connected to the outer side of the first positioning shaft, a transmission belt is arranged on the outer side of the transmission wheel, a paper tape binding block is fixedly connected to one side of the front face of the transmission belt, and a binding groove is formed in the side face of the paper tape binding block.

[0008] Further, the power assembly comprises a servo motor, the output shaft of the servo motor is fixedly connected with a second positioning shaft, the outer side of the second positioning shaft is fixedly connected with a positioning square tube, the side away from the second positioning shaft of the positioning square tube is fixedly connected with a second servo motor, and the output shaft of the second servo motor is fixedly connected with a transmission gear.

[0009] Further, the conveying wheel assembly comprises a transmission gear assembly, an adjusting assembly is installed on the outer side of the transmission gear assembly, the transmission gear assembly comprises a first positioning ring, the outer side of the first positioning ring is fixedly connected with a transmission tooth, a cutting groove is formed in the outer side of the transmission tooth, the front face of the first positioning ring is fixedly connected with an exhaust pipe, the outer side of the exhaust pipe is fixedly connected with a blowing pipe, and the front face of the outer side of the blowing pipe is fixedly connected with a second positioning ring.

[0010] Further, the adjusting assembly comprises a positioning sleeve, one side of the front face and the back face of the positioning sleeve is fixedly connected with a rotating positioning shaft, the outer side of the rotating positioning shaft is installed with a second L-shaped positioning plate, the back face of the positioning sleeve is fixedly connected with a pushing positioning rod, the back face of the pushing positioning rod is fixedly connected with a pushing limiting circular plate, and the inner side of the positioning sleeve is fixedly connected with a sealing block.

[0011] Further, the pushing assembly comprises a third positioning ring, the inner side of the third positioning ring is fixedly connected with a transmission tooth, the front side of the third positioning ring is fixedly connected with a pushing block, and the front side of the pushing block is fixedly connected with a pushing limiting groove.

[0012] Further, the air pump assembly comprises an air pump body, the front side of the air pump body is fixedly connected with a first pipeline, the back side of the air pump body is fixedly connected with a second pipeline, the back side of the outer side of the second pipeline is fixedly connected with a first arc-shaped plate, the top and bottom of the first arc-shaped plate are fixedly connected with a second arc-shaped plate, the top of the first arc-shaped plate is provided with an air cavity, the back side of the air cavity is provided with a limiting transmission groove, and the outer side of the air pump body is fixedly connected with a first arc-shaped plate.

[0013] Further, the outer side of the transmission wheel is provided with a transmission groove, the width of the transmission groove of the transmission wheel and the width of the transmission belt are matched with each other, the depth of the transmission groove of the transmission wheel and the thickness of the transmission belt are matched with each other, and the width of the restraint groove and the width of the transmission belt are gap matched.

[0014] Further, the front side of the first positioning ring is provided with a circular hole, the diameter of the circular hole of the first positioning ring and the diameter of the second positioning shaft are gap matched, the teeth on the outer side of the transmission gear and the transmission teeth are meshed with each other, the width of the inner side of the pushing limiting groove and the diameter of the pushing limiting circular plate are gap matched, the width of the opening of the pushing limiting groove and the diameter of the pushing positioning rod are gap matched, and the number of the pushing blocks is the same as that of the adjusting assemblies.

[0015] Further, the back side of the second arc-shaped plate is provided with a positioning groove, the width of the positioning groove of the second arc-shaped plate is the same as that of the air cavity, the cross-sectional dimension of the positioning groove of the second arc-shaped plate and the cross-sectional dimension of the second positioning ring are gap matched, the width of the limiting transmission groove and the diameter of the exhaust pipe are gap matched, and the width of the second arc-shaped plate is the same as the diameter of the outer side of the exhaust pipe.

[0016] Technical effects and advantages of the present application:

[0017] 1. When the paper tape is conveyed, the power assembly drives the conveying wheel assembly to rotate, the paper tape located on the top of the transmission belt is conveyed by the conveying wheel assembly, the transmission belt is moved, the transmission wheel is synchronously rotated, and the paper tape to be conveyed is passed through the restraint groove, so that the paper tape is limited and positioned, and the paper tape can be effectively conveyed.

[0018] 2. The application can adjust the angle of the adjusting assembly relative to the conveying teeth according to the thickness of the paper tape being conveyed, so that different thicknesses of paper tape can be conveyed, and the user can quickly adjust the equipment when conveying paper tape of different thicknesses, making it convenient for the user to use;

[0019] 3. When the paper tape needs to be slotted, the second servo motor drives the transmission gear to rotate, the transmission gear and the transmission teeth are meshed to drive the third positioning ring to rotate, then the pushing block is driven to rotate, then the pushing block is pushed and in turn drives the rotation along the rotating positioning shaft, so that the adjusting assembly is completely accommodated between the two conveying teeth, then the paper tape can be slotted by the cutting slot during conveying, the paper tape cut by the cutting slot will be located inside the cutting slot, then during the rotation of the conveying wheel assembly, the exhaust pipe corresponding to the cutting slot that cuts the paper tape inside is rotated to the inside of the first arc-shaped plate, the air pump body works to inject air into the exhaust pipe, then the cut paper tape is blown into the transmission pipe through the air blowing pipe, then into the inside of the collection box, the paper tape can be cleaned by pulling out the collection drawer, making it convenient for the user to adjust the equipment according to the actual conveying demand, and convenient for the user to adjust the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall structure schematic diagram of the application;

[0021] Figure 2 is the positioning transmission device structure schematic diagram of the application;

[0022] Figure 3 is the conveying transmission assembly structure schematic diagram of the application;

[0023] Figure 4 is the conveying wheel assembly operation structure schematic diagram of the application;

[0024] Figure 5 is the power assembly structure schematic diagram of the application;

[0025] Figure 6 is the transmission gear assembly structure schematic diagram of the application;

[0026] Figure 7 is the adjusting assembly structure schematic diagram of the application;

[0027] Figure 8 is the pushing assembly structure schematic diagram of the application;

[0028] Figure 9 For the application Figure 8 The schematic diagram of the amplification structure at A of the application;

[0029] Figure 10 The schematic diagram of the air pump assembly structure of the application;

[0030] Figure 11 The schematic diagram of the structure of the paper belt cutting and grooving of the conveying wheel assembly of the application.

[0031] The reference signs are: 1, positioning transmission device; 101, first L-shaped positioning plate; 102, positioning round hole; 103, first positioning shaft; 104, transmission wheel; 105, transmission belt; 106, paper belt binding block; 107, binding groove; 2, conveying transmission assembly; 201, power assembly; 2011, servo motor; 2012, second positioning shaft; 2013, positioning square tube; 2014, second servo motor; 2015, transmission gear; 202, conveying wheel assembly; 2021, transmission gear assembly; 20211, first positioning ring; 20212, transmission tooth; 20213, cutting groove; 20214, exhaust pipe; 20215, air blowing pipe; 20216, second positioning ring; 2022, adjusting assembly; 20221, positioning sleeve; 20222, rotating positioning shaft; 20223, second L-shaped positioning plate; 20224, pushing positioning rod; 20225, pushing limiting circular plate; 20226, sealing block; 203, air pump assembly; 2031, air pump main body; 2032, first pipeline; 2033, second pipeline; 2034, first arc-shaped plate; 2035, second arc-shaped plate; 2036, air cavity; 2037, limiting transmission groove; 204, collection box; 205, pushing assembly; 2051, third positioning ring; 2052, transmission tooth; 2053, pushing block; 2054, pushing limiting groove; 206, collection drawer; 207, transmission square tube; 208, different-diameter transmission pipe. DETAILED DESCRIPTION

[0032] The technical solutions in the application will be described clearly and completely below in combination with the drawings in the application, and in addition, the forms of each structure described in the following embodiments are only examples, and the conveying device for food packaging paper bag production involved in the application is not limited to each structure described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the application.

[0033] Referring to Figures 1 to 11The application provides a conveying device for food packaging paper bag production, which comprises a positioning transmission device 1, one side of the front face of the positioning transmission device 1 is provided with a conveying transmission assembly 2, the conveying transmission assembly 2 comprises a power assembly 201, the front face of the power assembly 201 is provided with a conveying wheel assembly 202, the front face of the conveying wheel assembly 202 is provided with a gas pump assembly 203, the back face of the positioning transmission device 1 is fixedly connected with a collecting box 204, the back face of the conveying wheel assembly 202 is provided with a pushing assembly 205, the other side of the collecting box 204 is provided with a collecting drawer 206, one side of the collecting drawer 206 is fixedly connected with a transmission square tube 207, the front face of the other side of the transmission square tube 207 is fixedly connected with a different-diameter transmission tube 208, when the conveying wheel assembly 202 completely seals a cutting groove 20213, the conveying work on the packaging paper tape can be carried out, when the position of the conveying wheel assembly 202 relative to the power assembly 201 rotates, the rotation of the conveying wheel assembly 202 increases the friction between the conveying wheel assembly 202 and the paper tape along with the rotation angle, when the conveying wheel assembly 202 is completely rotated to the gap between the transmission teeth 20212, the paper tape can be perforated or slotted by the transmission teeth 20212, and the conveying wheel assembly 202 can be replaced according to actual processing requirements so as to control the spacing between the slots on the paper tape.

[0034] In a preferred embodiment, the positioning transmission device 1 comprises a first L-shaped positioning plate 101, a positioning circular hole 102 is formed in the top of the front face of the first L-shaped positioning plate 101, a first positioning shaft 103 is arranged on the front face of the first L-shaped positioning plate 101, a transmission wheel 104 is fixedly connected to the outer side of the first positioning shaft 103, a transmission belt 105 is arranged on the outer side of the transmission wheel 104, a paper tape binding block 106 is fixedly connected to one side of the front face of the transmission belt 105, and a binding groove 107 is formed in the side face of the paper tape binding block 106; when the paper tape is conveyed, the power assembly 201 drives the conveying wheel assembly 202 to rotate, the paper tape on the top of the transmission belt 105 is conveyed by the conveying wheel assembly 202, the transmission belt 105 is moved, the transmission wheel 104 is synchronously rotated, the paper tape to be conveyed is passed through the binding groove 107, the paper tape is bound and positioned, and the effective conveying work on the paper tape is ensured.

[0035] In a preferred embodiment, the power assembly 201 comprises a servo motor 2011, a second positioning shaft 2012 is fixedly connected to the output shaft of the servo motor 2011, a positioning square tube 2013 is fixedly connected to the outer side of the second positioning shaft 2012, a second servo motor 2014 is fixedly connected to one side of the positioning square tube 2013 away from the second positioning shaft 2012, and a transmission gear 2015 is fixedly connected to the output shaft of the second servo motor 2014.

[0036] In a preferred implementation form, the conveying wheel assembly 202 comprises a transmission gear assembly 2021, an adjusting assembly 2022 is mounted on the outer side of the transmission gear assembly 2021, the transmission gear assembly 2021 comprises a first positioning ring 20211, the outer side of the first positioning ring 20211 is fixedly connected with a transmission tooth 20212, the outer side of the transmission tooth 20212 is provided with a cutting groove 20213, the front surface of the first positioning ring 20211 is fixedly connected with an exhaust pipe 20214, the outer side of the exhaust pipe 20214 is fixedly connected with a blowing pipe 20215, the front surface of the outer side of the blowing pipe 20215 is fixedly connected with a second positioning ring 20216; when conveying paper strips with different thicknesses, the second servo motor 2014 is driven to work to rotate the transmission gear 2015, the transmission gear 2015 and the transmission tooth 2052 are meshed to drive the third positioning ring 2051 to rotate, then the pushing block 2053 is driven to rotate, then the pushing block 2053 pushes 2024 and 2025 to drive 2026 to rotate along the rotary positioning shaft 20222, then the angle of the sealing block 20226 relative to the transmission tooth 20212 is adjusted, so that the angle of the adjusting assembly 2022 relative to the transmission tooth 20212 can be adjusted according to the thickness of the conveyed paper strip, so that paper strips with different thicknesses can be conveyed, and the user can quickly adjust the equipment when conveying paper strips with different thicknesses, and the user can use it conveniently.

[0037] In a preferred implementation form, the adjusting assembly 2022 comprises a positioning sleeve 20221, one side of the front and back surfaces of the positioning sleeve 20221 is fixedly connected with a rotary positioning shaft 20222, the outer side of the rotary positioning shaft 20222 is mounted with a second L-shaped positioning plate 20223, the back surface of the positioning sleeve 20221 is fixedly connected with a pushing positioning rod 20224, the back surface of the pushing positioning rod 20224 is fixedly connected with a pushing limiting circular plate 20225, and the inner side of the positioning sleeve 20221 is fixedly connected with a sealing block 20226.

[0038] In a preferred implementation form, the pushing assembly 205 comprises a third positioning ring 2051, the inner side of the third positioning ring 2051 is fixedly connected with a transmission tooth 2052, the front surface of the third positioning ring 2051 is fixedly connected with a pushing block 2053, and the front surface of the pushing block 2053 is fixedly connected with a pushing limiting groove 2054.

[0039] In a preferred implementation, the air pump assembly 203 comprises an air pump body 2031, the front surface of the air pump body 2031 is fixedly connected with a first pipe 2032, the back surface of the air pump body 2031 is fixedly connected with a second pipe 2033, the back surface of the outer side of the second pipe 2033 is fixedly connected with a first arc-shaped plate 2034, the top and bottom of the first arc-shaped plate 2034 are fixedly connected with a second arc-shaped plate 2035, the top of the first arc-shaped plate 2034 is provided with an air cavity 2036, the back surface of the air cavity 2036 is provided with a limiting transmission groove 2037, and the outer side of the air pump body 2031 is fixedly connected with the first arc-shaped plate 2034; when it is necessary to groove the paper tape, the second servo motor 2014 is driven to rotate the transmission gear 2015, the transmission gear 2015 and the transmission teeth 2052 are engaged to drive the third positioning ring 2051 to rotate, and then the pushing block 2053 is driven to rotate, and then the pushing block 2053 pushes the 2024 and 2025 to drive the 2026 to rotate along the rotating positioning shaft 20222, so that the adjusting assembly 2022 is completely accommodated between the two transmission teeth 20212, and then the cutting groove 20213 can be used to groove the paper tape during conveying, and the paper tape cut by the cutting groove 20213 is located on the inner side of the cutting groove 20213, and then the exhaust pipe 20214 corresponding to the cutting groove 20213 on the inner side cuts the paper tape during the rotation of the conveying wheel assembly 202, the air pump body 2031 works to inject air into the exhaust pipe 20214, and then the cutting groove 20213 blows the cut paper tape into the transmission pipe 207 through the air blowing pipe 20215, and then into the inner side of the collecting box 204. By pulling out the collecting drawer 206, the paper tape can be cleaned, which is convenient for users to adjust the equipment according to actual conveying needs and convenient for users to adjust the equipment.

[0040] In a preferred implementation, the outer side of the transmission wheel 104 is provided with a transmission groove, the width of the transmission groove of the transmission wheel 104 and the width of the transmission belt 105 are matched with each other, the depth of the transmission groove of the transmission wheel 104 and the thickness of the transmission belt 105 are matched with each other, and the width of the restraint groove 107 and the width of the transmission belt 105 are gap matched.

[0041] In a preferred implementation, the front surface of the first positioning ring 20211 is provided with a circular hole, the diameter of the circular hole of the first positioning ring 20211 and the diameter of the second positioning shaft 2012 are gap matched, the teeth of the outer side of the transmission gear 2015 and the transmission teeth 2052 are engaged with each other, the width of the inner side of the pushing limiting groove 2054 and the diameter of the pushing limiting circular plate 20225 are gap matched, the width of the opening of the pushing limiting groove 2054 and the diameter of the pushing positioning rod 20224 are gap matched, and the number of the pushing block 2053 is the same as the number of the adjusting assembly 2022.

[0042] In a preferred embodiment, the back of the second arc-shaped plate 2035 is provided with a positioning groove, the width of the second arc-shaped plate 2035 positioning groove is the same as the width of the air cavity 2036, the cross-sectional size of the second arc-shaped plate 2035 positioning groove and the cross-sectional size of the second positioning ring 20216 are clearance fit, the width of the limiting transmission groove 2037 and the diameter of the exhaust pipe 20214 are clearance fit, the width of the second arc-shaped plate 2035 and the diameter of the outside of the exhaust pipe 20214 are the same.

[0043] The working principle of the present application is as follows: when the paper tape is transported, the power assembly 201 drives the conveying wheel assembly 202 to rotate, the conveying wheel assembly 202 transports the paper tape on the top of the transmission belt 105, and drives the transmission belt 105 to move, thereby synchronously rotating the transmission wheel 104, and the paper tape to be transported is passed through the restraint groove 107, thereby restraining and limiting the paper tape, and ensuring that the paper tape can be effectively transported.

[0044] When transporting paper tapes of different thicknesses, the second servo motor 2014 drives the transmission gear 2015 to rotate, the transmission gear 2015 and the transmission gear 2052 are engaged to drive the third positioning ring 2051 to rotate, then the pushing block 2053 is rotated, then the pushing block 2053 pushes 2024 and 2025 to drive 2026 to rotate along the rotating positioning shaft 20222, thereby adjusting the angle of the sealing block 20226 relative to the conveying tooth 20212, so that the angle of the adjusting assembly 2022 relative to the conveying tooth 20212 can be adjusted according to the thickness of the transported paper tape, so that paper tapes of different thicknesses can be transported, and the user can quickly adjust the equipment when transporting paper tapes of different thicknesses, and the user can use it conveniently.

[0045] When the paper tape needs to be slotted, the second servo motor 2014 is driven to rotate the transmission gear 2015, the third positioning ring 2051 is driven to rotate through the mutual meshing of the transmission gear 2015 and the transmission gear 2052, then the pushing block 2053 is driven to rotate, then the pushing block 2053 pushes 2024 and 2025 to drive 2026 to rotate along the rotating positioning shaft 20222, so that the adjusting assembly 2022 is completely accommodated between the two transmission gears 20212, then the paper tape can be slotted through the cutting groove 20213 during conveying, the paper tape cut by the cutting groove 20213 is located on the inner side of the cutting groove 20213, then the exhaust pipe 20214 corresponding to the cutting groove 20213 on the inner side cuts the paper tape during the rotation of the conveying wheel assembly 202 rotates to the inside of the first arc-shaped plate 2034, the air pump body 2031 works to inject air into the inside of the exhaust pipe 20214, then the cut paper tape is blown into the transmission pipe 207 through the air blowing pipe 20215, then enters the inside of the collection box 204, and the paper tape can be cleaned by pulling out the collection drawer 206, so that the user can adjust the equipment according to the actual conveying demand, and the user can adjust the equipment.

[0046] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0047] Secondly: the drawings of the disclosed embodiments of the present application only involve the structures related to the disclosed embodiments of the present application, other structures can refer to the usual design, and in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0048] Finally: the above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A conveying device for the production of food packaging paper bags, comprising a positioning and conveying device (1), characterized in that: The positioning transmission device (1) has a conveying transmission assembly (2) installed on one side of its front. The conveying transmission assembly (2) includes a power assembly (201). A conveying wheel assembly (202) is installed on the front of the power assembly (201). An air pump assembly (203) is installed on the front of the conveying wheel assembly (202). A collection box (204) is fixedly connected to the back of the positioning transmission device (1). A pushing assembly (205) is provided on the back of the conveying wheel assembly (202). A collection drawer (206) is installed on the other side of the collection box (204). A transmission square tube (207) is fixedly connected to one side of the collection drawer (206). 207) A reducing transmission pipe (208) is fixedly connected to the front side of the other side. When the conveyor wheel assembly (202) completely seals the cutting groove (20213), it can carry out the conveying work of the packaging paper tape. When the position of the conveyor wheel assembly (202) relative to the power assembly (201) rotates, the rotation of the conveyor wheel assembly (202) increases the friction between the conveyor wheel assembly (202) and the paper tape. When it is completely rotated into the gap between the conveyor teeth (20212), the paper tape can be opened or slotted by the conveyor teeth (20212). The conveyor wheel assembly (202) can be replaced according to the actual processing requirements to control the spacing between the grooves on the paper tape.

2. The conveying device for producing food packaging paper bags according to claim 1, characterized in that: The positioning and transmission device (1) includes a first L-shaped positioning plate (101). A positioning circular hole (102) is provided on the top of the front side of the first L-shaped positioning plate (101). A first positioning shaft (103) is installed on the front side of the first L-shaped positioning plate (101). A transmission wheel (104) is fixedly connected to the outside of the first positioning shaft (103). A transmission belt (105) is provided on the outside of the transmission wheel (104). A paper tape binding block (106) is fixedly connected to one side of the front side of the transmission belt (105). A binding groove (107) is provided on the side of the paper tape binding block (106).

3. A conveying device for producing food packaging paper bags according to claim 2, characterized in that: The power assembly (201) includes a servo motor (2011), the output shaft of which is fixedly connected to a second positioning shaft (2012), a positioning square tube (2013) is fixedly connected to the outside of the second positioning shaft (2012), a second servo motor (2014) is fixedly connected to the side of the positioning square tube (2013) away from the second positioning shaft (2012), and a transmission gear (2015) is fixedly connected to the output shaft of the second servo motor (2014).

4. A conveying device for producing food packaging paper bags according to claim 3, characterized in that: The conveyor wheel assembly (202) includes a transmission gear assembly (2021), an adjustment assembly (2022) is installed on the outside of the transmission gear assembly (2021), the transmission gear assembly (2021) includes a first positioning ring (20211), a transmission tooth (20212) is fixedly connected to the outside of the first positioning ring (20211), a cutting groove (20213) is opened on the outside of the transmission tooth (20212), an exhaust pipe (20214) is fixedly connected to the front of the first positioning ring (20211), an air blowing pipe (20215) is fixedly connected to the outside of the exhaust pipe (20214), and a second positioning ring (20216) is fixedly connected to the front of the outside of the air blowing pipe (20215).

5. A conveying device for producing food packaging paper bags according to claim 4, characterized in that: The adjustment assembly (2022) includes a positioning sleeve (20221), a rotating positioning shaft (20222) is fixedly connected to one side of the front and back of the positioning sleeve (20221), a second L-shaped positioning plate (20223) is installed on the outer side of the rotating positioning shaft (20222), a push positioning rod (20224) is fixedly connected to the back of the positioning sleeve (20221), a push limiting circular plate (20225) is fixedly connected to the back of the push positioning rod (20224), and a sealing block (20226) is fixedly connected to the inner side of the positioning sleeve (20221).

6. A conveying device for producing food packaging paper bags according to claim 5, characterized in that: The pushing component (205) includes a third positioning ring (2051), a transmission tooth (2052) is fixedly connected to the inner side of the third positioning ring (2051), a pushing block (2053) is fixedly connected to the front side of the third positioning ring (2051), and a pushing limiting groove (2054) is fixedly connected to the front side of the pushing block (2053).

7. A conveying device for producing food packaging paper bags according to claim 6, characterized in that: The air pump assembly (203) includes an air pump body (2031), a first pipe (2032) is fixedly connected to the front of the air pump body (2031), a second pipe (2033) is fixedly connected to the back of the air pump body (2031), a first arc plate (2034) is fixedly connected to the back of the outer side of the second pipe (2033), a second arc plate (2035) is fixedly connected to the top and bottom of the first arc plate (2034), an air cavity (2036) is opened at the top of the first arc plate (2034), a limit transmission groove (2037) is opened on the back of the air cavity (2036), and the first arc plate (2034) is fixedly connected to the outer side of the air pump body (2031).

8. A conveying device for producing food packaging paper bags according to claim 2, characterized in that: The outer side of the transmission wheel (104) is provided with a transmission groove. The width of the transmission groove of the transmission wheel (104) is matched with the width of the transmission belt (105). The depth of the transmission groove of the transmission wheel (104) is matched with the thickness of the transmission belt (105). The width of the binding groove (107) is matched with the width of the transmission belt (105).

9. A conveying device for producing food packaging paper bags according to claim 6, characterized in that: The first positioning ring (20211) has a circular hole on its front side. The diameter of the circular hole of the first positioning ring (20211) is clearance-fitted with the diameter of the second positioning shaft (2012). The teeth on the outer side of the transmission gear (2015) mesh with the transmission teeth (2052). The width of the inner side of the push limiting groove (2054) is clearance-fitted with the diameter of the push limiting circular plate (20225). The width of the opening of the push limiting groove (2054) is clearance-fitted with the diameter of the push positioning rod (20224). The number of push blocks (2053) is the same as the number of adjusting components (2022).

10. A conveying device for producing food packaging paper bags according to claim 7, characterized in that: The back of the second arc-shaped plate (2035) is provided with a positioning groove. The width of the positioning groove of the second arc-shaped plate (2035) is the same as the width of the air chamber (2036). The cross-sectional dimensions of the positioning groove of the second arc-shaped plate (2035) and the cross-sectional dimensions of the second positioning ring (20216) are in clearance fit. The width of the limiting transmission groove (2037) and the diameter of the exhaust pipe (20214) are in clearance fit. The width of the second arc-shaped plate (2035) and the outer diameter of the exhaust pipe (20214) are the same.

Images