Suspension conveying equipment for food packaging carton processing

Abstract

The invention provides suspension conveying equipment for food packaging carton processing, and relates to the technical field of suspension conveying equipment. A driving frame is mounted on the suspension conveying line; a driving mechanism is arranged on the driving frame, a conveying chain is arranged in the suspension conveying line, the driving mechanism is used for driving the conveying chain to rotate, and hanging plates are arranged on the conveying chain at intervals; the lower end of the lifting plate is connected with a lifting appliance; a lifting rod is hung at the lower end of the lifting appliance; the lower end of the hanging rod is connected with a supporting and hanging frame which is used for tightly supporting and hanging a carton on the lower portion from inside to outside. The scheme that supporting and hoisting are carried out from the interior of the carton is adopted, possible damage to the carton body caused by an external clamp is thoroughly avoided, and the device is particularly suitable for food cartons with strict requirements for the packaging appearance.

Description

Technical Field

[0001] This invention relates to the field of overhead conveyor equipment technology, and more particularly to an overhead conveyor equipment for processing food packaging cartons. Background Technology

[0002] In the processing and logistics of food packaging cartons, overhead conveyor systems are often used for transport. Traditional overhead conveyor methods typically employ external clamping or bottom lifting to secure the cartons. External clamping carries the risk of damaging the carton's appearance and affecting the integrity of printed patterns, and requires frequent clamp adjustments for cartons of different sizes, making the operation cumbersome. Bottom lifting is unsuitable for processes requiring sealing, coding, or other bottom-based operations. Furthermore, existing equipment generally relies on manual judgment and intervention from operators during the hoisting and securing process, resulting in low automation, low efficiency, and the safety hazard of cartons falling due to human error. Summary of the Invention

[0003] This invention relates to a suspended conveyor for processing food packaging cartons. It is an intelligent suspended conveyor solution that can reliably and non-destructively tighten the cartons from the inside, and can achieve automatic locking and status indication, thereby improving the automation level, operating efficiency and operational safety of the production line.

[0004] This invention provides a suspended conveyor for processing food packaging cartons, specifically comprising: a suspended conveyor line; a drive frame installed on the suspended conveyor line; a drive mechanism provided on the drive frame; a conveyor chain provided in the suspended conveyor line; the drive mechanism driving the conveyor chain to rotate; and hanging plates spaced apart on the conveyor chain; a lifting device connected to the lower end of each hanging plate; a hanging rod attached to the lower end of each hanging device; and a support frame connected to the lower end of each hanging rod, the support frame being used to support and suspend the cartons below from the inside out. The upper end of the support frame is a parallel movable top plate. Support blocks are located on the left and right sides between the support frame and the movable top plate. Guide rods are symmetrically arranged on the upper end of the support frame, passing vertically upwards through the movable top plate. The support frame, movable top plate, and support blocks are connected by rotating connecting arms, forming a parallelogram structure. The outer end face of the support blocks is always vertical. A reinforcing fitting mechanism is provided in the support blocks to ensure effective contact between the support blocks and the inner wall of the carton. An extension sleeve is fixedly provided in the middle of the upper end of the movable top plate, and a limiting mechanism is provided on the extension sleeve to restrict the position of the fixed movable top plate on the lifting rod. A control panel is rotatably mounted on the upper end of the extension sleeve. The control panel cooperates with the limiting mechanism to limit the position of the lifting rod. A lifting locking mechanism is provided at the upper end of the lifting rod to pull it onto the lifting device. The reinforcing fitting mechanism and the limiting mechanism are interlocked; the limiting mechanism is automatically triggered after the carton is tightened.

[0005] Optionally, the conveying chain is composed of sprockets vertically spaced and connected in series by chain plates.

[0006] Optionally, the driving mechanism includes a reduction motor, belt pulleys, a driving belt, a pressing block, a hanging bolt and a pressing plate. The reduction motor is fixedly installed at one end of the driving frame. Two belt pulleys are distributed along the direction of the conveying chain on the upper edge of the driving frame. The two belt pulleys are rotationally connected by the driving belt. One of the belt pulleys is driven by the reduction motor. A pressing block is provided above the lower-layer driving belt between the two belt pulleys. The pressing block is horizontally installed on the driving frame. A hanging bolt is vertically screwed on the pressing block. The lower end of the hanging bolt is fixedly connected with a pressing plate. The pressing plate is distributed along the driving belt. The pressing plate is in contact with the driving belt and makes the driving belt always in contact with the sprocket of the conveying chain. The rotation of the driving belt drives the rotation of the conveying chain.

[0007] Optionally, a reverse "T" shaped hanging ring is rotatably connected to the lower end of the lifting appliance, and a "mouth" shaped hanging hole is provided in the hanging ring.

[0008] Optionally, the hanging and locking mechanism includes a lock head, a lock tongue, a lock rod, a finger block, a lock spring, a limit retaining ring and a first spring. The upper end of the hanging rod is fixedly connected with the lock head. The lock tongue is vertically provided at the upper end of the lock head. The lock tongue is inserted into the hanging ring. The lock rod vertically penetrates through the lock head. The upper end of the lock rod is inserted into the bottom of the lock tongue. The lower end of the lock rod is vertically provided with a finger block. A lock spring is provided on the lock rod above the finger block. The lock spring provides a pulling force to the lock rod always towards the side of the lock tongue. A limit retaining ring is slidably sleeved on the hanging rod below the finger block. A first spring is sleeved on the hanging rod below the limit retaining ring. The lower end of the first spring abuts against the upper end of the control panel.

[0009] Optionally, positioning holes are uniformly vertically spaced on the rod wall of the hanging rod towards the side where the limiting mechanism is located.

[0010] Optionally, the strengthening and fitting mechanism includes an anti-slip sticker plate, a buffer rod and a second spring. The anti-slip sticker plate is slidably embedded in the outer vertical side wall of the supporting sticker block. Anti-slip strips are provided on the outer end face of the anti-slip sticker plate. Two symmetric buffer rods are vertically provided at the inner end of the anti-slip sticker plate. The buffer rods vertically slide through the inner end of the supporting sticker block. A second spring is sleeved on the buffer rods in the supporting sticker block. Trigger buttons are respectively provided at both ends of the trigger retaining seat. The trigger retaining seat has a built-in power supply. The trigger buttons correspond to the ends of the buffer rods. After the anti-slip sticker plate contacts and is squeezed by the inner wall of the carton, the buffer rods move inwards to squeeze the trigger buttons, and the trigger buttons send out signals.

[0011] Optionally, the limiting mechanism includes a limiting rod, a ring platform, an end, a pin, and a tension spring. The upper end of the extension sleeve is provided with a fixed ring platform to prevent the control panel from falling off the extension sleeve. The limiting rod is vertically inserted into the extension sleeve. The limiting rod is provided with anti-rotation fins. The inner end of the limiting rod corresponds to the positioning hole on the boom. The end of the limiting rod is fixedly provided with an end. A tension spring is provided on the limiting rod between the end and the extension sleeve. A pin is vertically provided at the upper end of the end.

[0012] Optionally, a triangular indicator light is provided on the upper surface of the control panel near the ring edge. Two vertically upward-facing end plates are arranged in a ring on the other side of the upper surface of the control panel. The inner ends of the end plates are rotatably engaged with the ring platform. An arc-shaped guide rail connects the two end plates, with the center of the guide rail coinciding with the center of the control panel. An electromagnet is fixedly installed on the inner side of the end plate near the indicator light. A permanent magnet is slidably mounted on the guide rail. When the trigger button does not emit a signal, the electromagnet attracts the permanent magnet; when the trigger button emits a signal, the electromagnet repels the permanent magnet. An arc-shaped guide groove is provided on the bottom plane of the control panel near the ring edge. A protruding retention groove is provided at the end corresponding to the position of the indicator light. The pin slides in the guide groove and the retention groove. When the pin is in the retention groove, the inner end of the limit rod separates from the positioning hole. The support bracket can move freely vertically to tighten and release the carton. When the pin is in the guide groove, the position of the movable top plate of the support bracket is fixed, that is, the carton is tightened and fixed. The anti-slip plate contacts the inner wall of the carton. The trigger button is triggered, the electromagnet repels the permanent magnet, and the permanent magnet hits the end plate on the other side. The inertia generated by the impact drives the control panel to rotate. The limit mechanism automatically limits and locks. When unlocking is required, the control panel is manually rotated in the opposite direction to release the lock.

[0013] This invention provides a suspended conveyor device for processing food packaging cartons, which has the following advantages: First, the equipment adopts a method of supporting and hoisting from inside the carton, which completely avoids the damage that external clamps may cause to the carton, and is especially suitable for food cartons with strict requirements for packaging appearance.

[0014] Secondly, the support frame, through the parallelogram structure formed by the movable top plate, guide rod, connecting arm and support block, ensures that the outer end face of the support block remains vertical during the contact and opening process with the inner wall of the carton. This achieves large-area, uniform and stable surface contact with the carton wall, significantly increasing friction and improving the stability of the hoisting.

[0015] Third, the enhanced interlocking design between the bonding mechanism and the limiting mechanism is one of the core innovations of this invention. When the anti-slip plate is fully pressed against the inner wall of the carton under the action of the second spring, it triggers the trigger button to send a signal. This signal, through the interaction of the electromagnet and the permanent magnet, drives the control panel to rotate automatically, thereby causing the limiting rod to accurately insert into the positioning hole of the hanging rod, completing the automatic locking. This process achieves full automation from "sensing effective tightening" to "executing mechanical locking," requiring no manual intervention, greatly improving work efficiency, and fundamentally eliminating the risk of insecure fixing caused by human error, significantly enhancing safety performance.

[0016] Fourth, the indicator lights on the control panel provide clear visual feedback to operators, clearly indicating the locked status of the equipment, facilitating remote monitoring and quick confirmation, and further optimizing the human-machine interaction experience.

[0017] Fifth, the tensioning and clamping assembly in the drive mechanism, consisting of pressure blocks, suspension bolts, and pressure plates, effectively ensures continuous and reliable meshing and transmission between the drive belt and the conveyor chain sprocket, thus ensuring the smoothness and reliability of the entire overhead conveyor line.

[0018] Finally, the lifting and locking mechanism at the upper end of the boom, through the continuous tension provided by the locking spring and the buffering and supporting effect of the first spring, forms a double insurance, ensuring the foolproof connection between the boom and the lifting device and preventing accidental disengagement during transportation. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0020] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0021] In the attached diagram: Figure 1 A schematic diagram of the first axial view structure of the present invention is shown; Figure 2 The present invention is shown Figure 1 Schematic diagram of the A-section structure; Figure 3 A schematic diagram of the second axial view structure of the present invention is shown; Figure 4 The present invention is shown Figure 3 Schematic diagram of the B-type amplification section; Figure 5 This diagram shows an axial view of the support frame and the carton in a separated state according to the present invention. Figure 6 This diagram shows an axial view of the present invention with the boom and lifting device separated. Figure 7 This diagram shows an axial view of the structure of the present invention in the state where the suspension rod and locking rod and the support block are separated from the support frame; Figure 8 This diagram shows a schematic axial view of the exposed portion of the reinforcing bonding mechanism of the present invention. Figure 9 This diagram shows a split-off axial view of the support frame of the present invention. Figure 10 The present invention is shown Figure 9 Schematic diagram of the C-type amplification section; Figure 11 A schematic diagram of the upper axis view of the control panel portion of the present invention is shown; Figure 12 A schematic diagram of the lower axis view of the control panel portion of the present invention is shown; Figure 13 A schematic diagram of the conveyor chain portion of the present invention is shown.

[0022] List of reference numerals in the attached diagram: 1. Overhead conveyor line; 101. Conveyor chain; 102. Hanging platform; 2. Drive frame; 201. Gear motor; 202. Pulley; 203. Drive belt; 204. Pressure block; 205. Lifting bolt; 206. Pressure plate; 3. Lifting gear; 301. Lifting ring; 4. Lifting rod; 401. Positioning hole; 402. Lock head; 403. Lock tongue; 404. Locking rod; 405. Finger block; 406. Locking spring; 407. Limiting ring; 408. First spring; 5. Support bracket; 501. Movable top plate; 502. Guide rod; 503. Connecting arm; 504. Support block; 5041. Anti-slip plate; 5042. Buffer rod; 5043. Second spring; 505. Extension sleeve; 5051. Limiting rod; 5052. Ring platform; 5053. End; 5054. Pin; 5055. Tension spring; 506. Control panel; 5061. Indicator light; 5062. End plate; 5063. Guide rail; 5064. Electromagnet; 5065. Permanent magnet; 5066. Guide groove; 5067. Retention groove; 6. Cardboard boxes; 7. Trigger stop; 701. Trigger button. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please refer to Figures 1 to 13 : Example 1: This invention proposes a suspended conveyor for processing food packaging cartons, comprising: a suspended conveyor line 1; a drive frame 2 installed on the suspended conveyor line 1; a drive mechanism provided on the drive frame 2; a conveyor chain 101 provided in the suspended conveyor line 1; the drive mechanism being used to drive the conveyor chain 101 to rotate; hanging plates 102 spaced apart on the conveyor chain 101; a lifting device 3 connected to the lower end of the hanging plate 102; a hanging rod 4 hung on the lower end of the lifting device 3; a support frame 5 connected to the lower end of the hanging rod 4; the support frame 5 being used to support and suspend the carton 6 below from the inside out. The upper end of the support frame 5 is a parallel movable top plate 501. Support blocks 504 are located on the left and right sides between the support frame 5 and the movable top plate 501. Guide rods 502 are symmetrically arranged on the upper end of the support frame 5, passing vertically upwards through the movable top plate 501. The support frame 5, the movable top plate 501, and the support blocks 504 are rotatably connected by connecting arms 503, forming a parallelogram structure. The outer end face of the support block 504 is always in a vertical position. A reinforcing fitting mechanism is provided in the support block 504 to ensure the support block 504... 04 is the effective contact point between the carton 6 and the inner wall of the carton 6; an extension sleeve 505 is fixedly provided at the middle of the upper end of the movable top plate 501, and a limiting mechanism is provided on the extension sleeve 505. The limiting mechanism is used to limit the position of the movable top plate 501 on the lifting rod 4; a control panel 506 is rotatably installed at the upper end of the extension sleeve 505; the control panel 506 cooperates with the limiting mechanism to limit the lifting rod 4; a lifting locking mechanism is provided at the upper end of the lifting rod 4, and the lifting locking mechanism is used to lift the carton 6 onto the lifting device 3; the reinforcing fitting mechanism is interlocked with the limiting mechanism, and the limiting mechanism is automatically triggered after the carton 6 is tightened.

[0025] The conveyor chain 101 is composed of vertically spaced sprockets connected in series by chain plates.

[0026] Among them, the driving mechanism includes a reduction motor 201, a pulley 202, a driving belt 203, a pressing block 204, a hanging bolt 205 and a pressing plate 206. The reduction motor 201 is fixedly installed at one end of the driving frame 2. Two pulleys 202 are distributed along the traveling direction of the conveying chain 101 on the upper edge of the driving frame 2. The two pulleys 202 are rotationally connected by the driving belt 203. One of the pulleys 202 is driven by the reduction motor 201. A pressing block 204 is arranged above the lower-layer driving belt 203 between the two pulleys 202. The pressing block 204 is horizontally installed on the driving frame 2. A hanging bolt 205 is vertically screwed on the pressing block 204. The lower end of the hanging bolt 205 is fixedly connected with a pressing plate 206. The pressing plate 206 is distributed along the driving belt 203. The pressing plate 206 is in contact with the driving belt 203, and makes the driving belt 203 always in contact with the sprocket of the conveying chain 101. The rotation of the driving belt 203 drives the rotation of the conveying chain 101.

[0027] Among them, a reverse "T" - shaped hanging ring 301 is rotatably connected to the lower end of the lifting appliance 3, and a "mouth" - shaped hanging hole is arranged in the hanging ring 301.

[0028] Among them, the hanging and locking mechanism includes a lock head 402, a lock tongue 403, a lock rod 404, a finger block 405, a lock spring 406, a limit retaining ring 407 and a first spring 408. The upper end of the hanging rod 4 is fixedly connected with the lock head 402. A lock tongue 403 is vertically arranged at the upper end of the lock head 402. The lock tongue 403 is inserted into the hanging ring 301. A lock rod 404 is vertically penetrated through the lock head 402. The upper end of the lock rod 404 is inserted into the bottom of the lock tongue 403. A finger block 405 is vertically arranged at the lower end of the lock rod 404. A lock spring 406 is arranged on the lock rod 404 above the finger block 405. The lock spring 406 provides a pulling force for the lock rod 404 always towards the side of the lock tongue 403. A limit retaining ring 407 is slidably sleeved on the hanging rod 4 below the finger block 405. A first spring 408 is sleeved on the hanging rod 4 below the limit retaining ring 407. The lower end of the first spring 408 abuts against the upper end of the control panel 506.

[0029] Among them, positioning holes 401 are vertically and evenly spaced on the rod wall of the hanging rod 4 towards the side where the limiting mechanism is located.

[0030] The enhanced bonding mechanism includes an anti-slip plate 5041, a buffer rod 5042, and a second spring 5043. The anti-slip plate 5041 is slidably embedded in the outer vertical side wall of the support block 504. The outer end face of the anti-slip plate 5041 is provided with an anti-slip strip. Two symmetrical buffer rods 5042 are vertically provided at the inner end of the anti-slip plate 5041. The buffer rods 5042 slide vertically through the inner end of the support block 504. The second spring 5043 is fitted on the buffer rods 5042 inside the support block 504. The trigger stop 7 has trigger buttons 701 at both ends. The trigger stop 7 has a built-in power supply. The trigger buttons 701 correspond to the ends of the buffer rods 5042. When the anti-slip plate 5041 comes into contact with the inner wall of the carton 6 and is squeezed, the buffer rods 5042 move inward and squeeze the trigger buttons 701, and the trigger buttons 701 send a signal.

[0031] The limiting mechanism includes a limiting rod 5051, a ring platform 5052, an end 5053, a pin 5054, and a tension spring 5055. The upper end of the extension sleeve 505 is provided with a fixed ring platform 5052, which is used to prevent the control panel 506 from coming off the extension sleeve 505. The limiting rod 5051 is vertically inserted into the extension sleeve 505. The limiting rod 5051 is provided with anti-rotation fins. The inner end of the limiting rod 5051 corresponds to the positioning hole 401 on the lifting rod 4. The end of the limiting rod 5051 is fixedly provided with an end 5053. The limiting rod 5051 between the end 5053 and the extension sleeve 505 is provided with a tension spring 5055. The upper end of the end 5053 is vertically provided with a pin 5054.

[0032] In Example 2, based on Example 1, a triangular indicator light 5061 is provided on the upper surface of the control panel 506 near the ring edge. Two vertically upward-facing end plates 5062 are distributed in a ring on the other side of the upper surface of the control panel 506. The inner ends of the end plates 5062 are rotatably engaged with the ring platform 5052. An arc-shaped guide rail 5063 connects the two end plates 5062, with the center of the guide rail 5063 coinciding with the center of the control panel 506. An electromagnet 5064 is fixedly installed on the inner side of the end plate 5062 near the indicator light 5061. A permanent magnet 5065 slides on the guide rail 5063. When the trigger button 701 does not emit a signal, the electromagnet 5064 attracts the permanent magnet 5065 closer; when the trigger button 701 emits a signal, the electromagnet 5064 repels the permanent magnet 5065 closer. An arc-shaped guide groove 506 is provided on the bottom plane of the control panel 506 near the ring edge. 6. A protruding retention groove 5067 is provided at the end of the guide groove 5066 corresponding to the position of the indicator light 5061. The pin 5054 slides in the guide groove 5066 and the retention groove 5067. When the pin 5054 is in the retention groove 5067, the inner end of the limit rod 5051 is separated from the positioning hole 401. The support bracket 5 can move freely vertically to tighten and release the carton 6. When the pin 5054 is in the guide groove 5066, the position of the movable top plate 501 of the support bracket 5 is fixed, that is, the carton 6 is tightened and fixed. The anti-slip plate 5041 contacts the inner wall of the carton 6. The trigger button 701 is triggered. The electromagnet 5064 repels the permanent magnet 5065. The permanent magnet 5065 strikes the end plate 5062 on the other side. The inertia generated by the impact drives the control disk 506 to rotate. The limit mechanism automatically limits and locks. When unlocking is required, the control disk 506 is manually rotated in the opposite direction to release the lock.

[0033] The following further explains and illustrates the function and effect of each structure mentioned above, so that those skilled in the art can better understand the technical solution: The suspended conveyor line 1 provides an overall conveying frame, on which the drive frame 2 supports the drive mechanism. The drive mechanism includes a geared motor 201, a pulley 202, a drive belt 203, a pressure block 204, a hanging bolt 205, and a pressure plate 206. The geared motor 201 drives the pulley 202 to rotate, which in turn drives the drive belt 203 to move. The pressure block 204 applies pressure to the drive belt 203 through the hanging bolt 205 and the pressure plate 206, ensuring that the drive belt 203 always maintains contact with the sprocket of the conveyor chain 101, thereby reliably driving the conveyor chain 101 to rotate and achieving a smooth conveying function. The lifting plates 102, which are spaced apart on the conveyor chain 101, are connected to the lifting device 3. The lifting ring 301 at the lower end of the lifting device 3 is connected to the upper end of the lifting rod 4 through a lifting locking mechanism. The lifting locking mechanism includes a lock head 402, a lock tongue 403, a lock rod 404, a finger block 405, a lock spring 406, a limit stop ring 407, and a first spring 408. The lock tongue 403 is inserted into the lifting ring 301. The lock rod 404 is fixed in position by the lock tongue 403 under the action of the lock spring 406 to ensure that the lifting rod 4 is firmly suspended. At the same time, the first spring 408 provides an upward thrust to ensure that the upward thrust of the lock rod 404 is limited during the lifting process to prevent it from disengaging.

[0034] The lower end of the hanging rod 4 is connected to the support bracket 5, which is used to internally tighten the carton 6. Its structure includes a movable top plate 501, a guide rod 502, a connecting arm 503, and a support block 504. The guide rod 502 passes vertically through the movable top plate 501 and forms a parallelogram structure together with the connecting arm 503, ensuring that the outer end face of the support block 504 remains vertical during movement, thus ensuring effective contact with the inner wall of the carton 6. The support block 504 is equipped with a reinforced bonding mechanism, including an anti-slip plate 5041, a buffer rod 5042, and a second spring 5043. The outer end of the anti-slip plate 5041 is provided with an anti-slip strip, and the inner end is elastically pressed by the buffer rod 5042 and the second spring 5043. When the anti-slip plate 5041 contacts the inner wall of the carton 6, the buffer rod 5042 moves inward to trigger the trigger button 701 on the trigger stop 7, sending a signal to monitor the tightening status in real time.

[0035] The extension sleeve 505 at the upper end of the movable top plate 501 is equipped with a limiting mechanism, including a limiting rod 5051, a ring platform 5052, an end head 5053, a pin 5054, and a tension spring 5055. Under the action of the tension spring 5055, the limiting rod 5051 can be inserted into the positioning hole 401 on the hanger 4 to fix the position of the movable top plate 501 and ensure that the support frame 5 remains stable after the cardboard box 6 is tightened. The control panel 506 is rotatably mounted on the upper end of the extension sleeve 505. The guide groove 5066 and the retention groove 5067 on it cooperate with the pin 5054 to control the insertion and separation of the limiting rod 5051, thereby locking or releasing the support frame 5. The control panel 506 is also equipped with an indicator light 5061, an end plate 5062, a guide rail 5063, an electromagnet 5064, and a permanent magnet 5065 to strengthen the interlock between the bonding mechanism and the limiting mechanism. When the trigger button 701 sends a signal, the electromagnet 5064 repels the permanent magnet 5065, and the permanent magnet 5065 slides along the guide rail 5063 and strikes the end plate 5062, driving the control panel 506 to rotate. This causes the pin 5054 to move from the retention groove 5067 to the guide groove 5066, automatically triggering the limiting mechanism to lock. Thus, the carton 6 is automatically fixed in position after being stretched, improving operational efficiency and safety.

[0036] Working principle: After the equipment is started, the geared motor 201 begins to work, driving the pulley 202 to rotate, which in turn drives the drive belt 203 to move. Under the action of the tensioning and pressing mechanism composed of the pressure block 204, the lifting bolt 205, and the pressure plate 206, the drive belt 203 always maintains effective contact with the sprocket of the conveyor chain 101, thereby reliably driving the conveyor chain 101 to circulate along the suspended conveyor line 1. The lifting plate 102, fixed on the conveyor chain 101, moves accordingly and is suspended by the lifting device 3 to lift the entire lifting actuator.

[0037] When it is necessary to lift the cardboard box 6, the operator first places the support frame 5 inside the cardboard box 6. At this time, because the pin 5054 of the guide groove 5066 at the bottom of the control panel 506 is in the retention groove 5067, the limiting rod 5051 is in a retracted state under the action of the tension spring 5055, and its inner end is separated from the positioning hole 401 on the lifting rod 4. Therefore, the movable top plate 501 can move relative to the lifting rod 4 along the axial direction, driving the support block 504, which is hinged to it through the guide rod 502 and the connecting arm 503, to unfold outward until the anti-slip plate 5041 at the outer end of the support block 504 is tightly attached to and pressed against the inner wall of the cardboard box 6 under the push of the second spring 5043. During this process, the parallelogram structure ensures that the outer end face of the support block 504 always remains vertical, thereby achieving a large-area and stable contact with the box wall.

[0038] When the anti-slip plate 5041 achieves sufficient pressure against the inner wall of the carton 6, the buffer rod 5042 will overcome the elastic force of the second spring 5043 and move inward, triggering the trigger button 701 located on the trigger stop 7. Once triggered, the trigger button 701 immediately sends an electrical signal. This signal energizes the electromagnet 5064 on the control panel 506, generating the same magnetism as the permanent magnet 5065. Due to the repulsion of like poles, the electromagnet 5064 exerts a repulsive force on the permanent magnet 5065, which was originally attracted to its nearby side. The permanent magnet 5065 then rapidly slides along the guide rail 5063 to the other end away from the electromagnet 5064 and strikes the end plate 5062 on that side. The impact force generated by this strike is sufficient to drive the control panel 506 to rotate around its axis.

[0039] The rotation of the control panel 506 causes the guide groove 5066 at its bottom to rotate synchronously, bringing the pin 5054, originally located in the retention groove 5067, into the main slide of the guide groove 5066. Under the continuous tension of the tension spring 5055, the limiting rod 5051 connected to the pin 5054 moves horizontally inward, causing its inner end to decisively insert into the corresponding positioning hole 401 on the lifting rod 4. This action completes the automatic locking of the limiting mechanism, firmly fixing the movable top plate 501 and the entire support frame 5 connected below it to the current position of the lifting rod 4, thus reliably supporting and lifting the carton 6 from the inside. At the same time, the triangular indicator light 5061 on the control panel 506 illuminates or changes its state, visually indicating to the operator that the locking is complete.

[0040] Subsequently, the stretched cardboard box 6 can be stably suspended and transported under the drive of the conveyor chain 101. The lifting and locking mechanism at the upper end of the lifting rod 4 further ensures the reliability of the lifting process. After the locking tongue 403 is inserted into the lifting ring 301 of the lifting device 3, the locking rod 404, which provides continuous tension by the locking spring 406, locks it to prevent accidental disengagement; the first spring 408 plays a role in buffering and assisting in maintaining stability.

[0041] When the carton 6 needs to be unloaded upon arrival at its destination, the operator simply needs to manually rotate the control panel 506 in the reverse direction to allow the pin 5054 to slide back from the guide groove 5066 to the retention groove 5067, thereby releasing the locking of the limit rod 5051 onto the lifting rod 4. Subsequently, the support frame 5 can be folded up, and after its size is reduced, it can be easily removed from the carton 6, completing the unloading process.

[0042] The following points should be noted in this article: 1. The accompanying drawings of the embodiments of the present invention only involve the structures involved in the embodiments of the present invention; other structures can refer to general designs.

[0043] 2. Where there is no conflict, the embodiments of the present invention and the features thereof can be combined with each other to obtain new embodiments.

[0044] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A suspended conveyor for processing food packaging cartons, comprising: A suspended conveyor line (1); a drive frame (2) is installed on the suspended conveyor line (1); a drive mechanism is provided on the drive frame (2), a conveyor chain (101) is provided in the suspended conveyor line (1), the drive mechanism is used to drive the conveyor chain (101) to rotate, and hanging plates (102) are spaced apart on the conveyor chain (101); the lower end of the hanging plate (102) is connected to a lifting device (3); a hanging rod (4) is hung on the lower end of the lifting device (3); the lower end of the hanging rod (4) is connected to a support frame (5), the support frame (5) is used to support and lift the carton (6) below from the inside to the outside; The feature is that the upper end of the support frame (5) is a parallel movable top plate (501), and the left and right sides between the support frame (5) and the movable top plate (501) are support blocks (504). The upper end of the support frame (5) is symmetrically provided with guide rods (502), which pass vertically upward through the movable top plate (501). The support frame (5) and the movable top plate (501) are rotatably connected to the support blocks (504) through connecting arms (503) to form a parallelogram structure. The outer end face of the support block (504) is always in a vertical state. The support block (504) is provided with a reinforcing bonding mechanism to ensure that the support block is in a vertical position. (504) is the effective contact point between the inner wall of the carton (6); an extension sleeve (505) is fixedly provided at the middle of the upper end of the movable top plate (501), and a limiting mechanism is provided on the extension sleeve (505). The limiting mechanism is used to limit the position of the fixed movable top plate (501) on the lifting rod (4); a control panel (506) is rotatably installed at the upper end of the extension sleeve (505); the control panel (506) cooperates with the limiting mechanism to limit the lifting rod (4); a lifting locking mechanism is provided at the upper end of the lifting rod (4), and the lifting locking mechanism is used to lift the lifting device (3); the reinforcing fitting mechanism is interlocked with the limiting mechanism, and the limiting mechanism is automatically triggered after the carton (6) is tightened.

2. The suspended conveyor equipment for processing food packaging cartons according to claim 1, characterized in that, The conveyor chain (101) is composed of vertically spaced sprockets connected in series by chain plates.

3. The suspended conveyor equipment for processing food packaging cartons according to claim 1, characterized in that, The drive mechanism includes a geared motor (201), pulleys (202), a drive belt (203), a pressure block (204), a lifting bolt (205), and a pressure plate (206). The geared motor (201) is fixedly installed at one end of the drive frame (2). Two pulleys (202) are distributed along the upper edge of the drive frame (2) in the direction of travel of the conveyor chain (101). The two pulleys (202) are rotatably connected by the drive belt (203). One of the pulleys (202) is driven by the geared motor (201), and the two pulleys (202) are connected by the drive belt (203). A pressure block (204) is provided above the lower drive belt (203). The pressure block (204) is horizontally installed on the drive frame (2). A hanging bolt (205) is vertically screwed onto the pressure block (204). A pressure plate (206) is fixedly connected to the lower end of the hanging bolt (205). The pressure plate (206) is distributed along the drive belt (203). The pressure plate (206) is in contact with the drive belt (203) and makes the drive belt (203) always in contact with the sprocket of the conveyor chain (101). The drive belt (203) rotates and drives the conveyor chain (101) to rotate.

4. The suspended conveyor equipment for processing food packaging cartons according to claim 1, characterized in that, The lower end of the lifting device (3) is rotatably connected to an inverted "T"-shaped lifting ring (301), and the lifting ring (301) has a "mouth"-shaped lifting hole.

5. The suspended conveyor equipment for processing food packaging cartons according to claim 4, characterized in that, The lifting and locking mechanism includes a lock head (402), a lock tongue (403), a lock rod (404), a finger block (405), a lock spring (406), a limiting ring (407), and a first spring (408). The upper end of the lifting rod (4) is fixedly connected to the lock head (402). The upper end of the lock head (402) is vertically provided with a lock tongue (403), which is inserted into the lifting ring (301). The lock rod (404) is vertically passed through the lock head (402), and the upper end of the lock rod (404) is inserted into the lock tongue (403). At the bottom of the lock bar (404), a finger block (405) is vertically provided at the lower end of the lock bar (404) above the finger block (405). A lock spring (406) is provided on the lock bar (404) above the finger block (405). The lock spring (406) provides the lock bar (404) with a constant pulling force toward the lock tongue (403). A limiting ring (407) is slidably mounted on the hanger (4) below the finger block (405). A first spring (408) is mounted on the hanger (4) below the limiting ring (407). The lower end of the first spring (408) abuts against the upper end of the control panel (506).

6. The suspended conveyor equipment for processing food packaging cartons according to claim 1, characterized in that, The rod (4) has vertically spaced positioning holes (401) evenly spaced on the side facing the limiting mechanism.

7. The suspended conveyor equipment for processing food packaging cartons according to claim 6, characterized in that, The reinforced bonding mechanism includes an anti-slip plate (5041), a buffer rod (5042), and a second spring (5043). The anti-slip plate (5041) is slidably embedded in the outer vertical sidewall of the support block (504). The outer end face of the anti-slip plate (5041) is provided with an anti-slip strip. The inner end of the anti-slip plate (5041) is vertically provided with two symmetrical buffer rods (5042). The buffer rods (5042) slide vertically through the inner end of the support block (504). 04) The buffer rod (5042) inside is fitted with a second spring (5043); the trigger stop (7) is provided with trigger buttons (701) at both ends. The trigger stop (7) is provided with a built-in power supply. The trigger button (701) corresponds to the end of the buffer rod (5042). After the anti-slip plate (5041) comes into contact with the inner wall of the carton (6) and is squeezed, the buffer rod (5042) moves inward to squeeze the trigger button (701), and the trigger button (701) sends a signal.

8. The suspended conveyor equipment for processing food packaging cartons according to claim 7, characterized in that, The limiting mechanism includes a limiting rod (5051), a ring platform (5052), an end (5053), a pin (5054), and a tension spring (5055). The upper end of the extension sleeve (505) is provided with a fixed ring platform (5052), which prevents the control panel (506) from detaching from the extension sleeve (505). The limiting rod (5051) is vertically inserted into the extension sleeve (505) to limit the movement. The insertion rod (5051) is provided with anti-rotation fins. The inner end of the limiting insertion rod (5051) corresponds to the positioning hole (401) on the lifting rod (4). The end of the limiting insertion rod (5051) is fixedly provided with an end head (5053). The limiting insertion rod (5051) between the end head (5053) and the extension sleeve (505) is provided with a tension spring (5055). The upper end of the end head (5053) is vertically provided with a pin (5054).

9. A suspended conveyor for processing food packaging cartons according to claim 8, characterized in that, A triangular indicator light (5061) is located near the edge of the ring on the upper surface of the control panel (506). Two vertically upward-facing end plates (5062) are arranged in a ring on the other side of the upper surface of the control panel (506). The inner ends of the end plates (5062) are rotatably engaged with the ring platform (5052). An arc-shaped guide rail (5063) connects the two end plates (5062). The center of the guide rail (5063) coincides with the center of the control panel (506). The indicator light (5061) is located near the edge of the ring platform. An electromagnet (5064) is fixedly installed on the inner side of the end plate (5062) of the control panel (5063). A permanent magnet (5065) is slidably mounted on the guide rail (5063). When the trigger button (701) does not send a signal, the electromagnet (5064) attracts the permanent magnet (5065) to approach. When the trigger button (701) sends a signal, the electromagnet (5064) repels the permanent magnet (5065) to approach. An arc-shaped guide groove (5066) is provided on the bottom plane of the control panel (506) near the ring edge. The end of the pin (5054) is provided with a protruding retention groove (5067) corresponding to the position of the indicator light (5061). The pin (5054) slides in the guide groove (5066) and the retention groove (5067). When the pin (5054) is in the retention groove (5067), the inner end of the limit rod (5051) separates from the positioning hole (401). The support bracket (5) can move freely vertically to tighten and release the carton (6). When the pin (5054) is in the guide groove (5066), the support bracket (5054) can move freely vertically to tighten and release the carton (6). 5) The position of the movable top plate (501) is fixed, that is, the cardboard box (6) is supported and fixed. The anti-slip plate (5041) is in contact with the inner wall of the cardboard box (6). The trigger button (701) is triggered, the electromagnet (5064) repels the permanent magnet (5065), the permanent magnet (5065) hits the end plate (5062) on the other side, and the inertia generated by the impact drives the control panel (506) to rotate. The limit mechanism automatically limits and locks. When it is necessary to unlock, the control panel (506) is manually rotated in the opposite direction to release the lock.

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