CN116177179B

CN116177179B - Conveying equipment

Info

Publication number: CN116177179B
Application number: CN202310459716.7A
Authority: CN
Inventors: 王良双; 曲忠燕
Original assignee: Yantai Bill Electronic Technology Co ltd
Current assignee: Yantai Bill Electronic Technology Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-07-18
Anticipated expiration: 2043-04-26
Also published as: CN116177179A

Abstract

The application relates to the field of conveying, in particular to conveying equipment, which comprises an initial conveying belt and a first output belt, wherein a dispatch conveying belt is arranged between the first output belt and the initial conveying belt, two sides of the dispatch conveying belt are respectively provided with a second conveying belt and a third conveying belt, the dispatch conveying belt comprises a support, a support rod is vertically and rotatably connected to the support, a support plate is fixed on the support rod, and a conveying belt is arranged on the support plate; the support is provided with a control motor for driving the support rod to rotate, and the control motor is electrically connected with a controller; the supporting plate is provided with a sliding groove which is horizontally arranged, the sliding groove is internally connected with a limiting plate, the second conveying belt and the third conveying belt are provided with a baffle which is in contact with the limiting plate, and the baffle is provided with a trigger which is used for being in contact with the limiting plate. The dispatch conveyer belt can be just right with first conveyer belt or second conveyer belt or third conveyer belt for the goods can normally discharge, thereby guarantees the transportation effect of goods.

Description

Conveying equipment

Technical Field

The present application relates to the field of transportation, and in particular to a transportation device.

Background

The conveying device is common equipment used in production and life and is used for conveying and transferring various products. The last step of the production line of the electrical equipment is usually packaging, box sealing and unloading and warehousing, when the electrical equipment is packaged and sealed, one box is often more than one electrical equipment, and usually a plurality of pieces of equipment are packaged in one box, so that operators need to put each electrical equipment into a packaging box for packaging in sequence, and the whole time is long.

The front end is produced and transported relatively quickly, and therefore the rear end packaging area is relatively more personnel and stations. The multiple stations can work in a staggered mode, when one station is in loading and warehousing, other stations can normally receive cargoes for packaging and box sealing work, when one batch of cargoes in the station are packaged and box sealing is completed and needs to be warehoused, the other stations receive cargoes for packaging and box sealing work, and the station is subjected to warehousing work. The overall efficiency is high.

The related art can refer to Chinese patent publication No. CN207773633U for a food package weighing device, comprising a conveyor belt, a distribution mechanism and a weighing mechanism; the distribution mechanism comprises a distribution bracket, a movable mounting plate, a motor, a rotating shaft, a driving sprocket, a driven sprocket, a chain and a distribution plate; the driving sprocket is arranged on the output shaft of the motor, the driven sprocket is arranged on the outer wall of the rotating shaft, and the driving sprocket and the driven sprocket are correspondingly arranged; a distribution plate is arranged at the upper part of the rotating shaft; the weighing mechanism comprises a weighing conveyor belt, a weighing sensor, a pushing plate, a supporting frame, a pushing motor and a control system.

Above-mentioned food package weighing device throws away the goods through centrifugal force from the distribution dish through the rotation of distribution dish and distributes, and stability is relatively poor, deviates from the distribution frame easily and leads to the goods to drop.

Disclosure of Invention

In order to ensure the distribution effect of goods, the application provides conveying equipment.

The application provides a conveying equipment, adopts following technical scheme:

the conveying equipment comprises an initial conveying belt and a first output belt, wherein a dispatch conveying belt is arranged between the first output belt and the initial conveying belt, a second conveying belt and a third conveying belt are respectively arranged on two sides of the dispatch conveying belt, the dispatch conveying belt comprises a support, a supporting rod is vertically and rotatably connected to the support, a supporting plate is fixed on the supporting rod, and a conveying belt is arranged on the supporting plate; the support is provided with a control motor for driving the support rod to rotate, the control motor is electrically connected with a controller, and the controller controls the start and stop of the control motor; the utility model discloses a conveyer belt, including the backup pad, the backup pad is equipped with the spout that the level set up in, sliding connection has the limiting plate in the spout, be equipped with the baffle that contradicts with the limiting plate on second conveyer belt and the third conveyer belt, when limiting plate contradicted with the baffle, the conveyer belt is mutually perpendicular with initial conveyer belt, be equipped with on the baffle be used for with the trigger of limiting plate butt, trigger and controller electric connection.

By adopting the technical scheme, all materials in the same batch are conveyed from the initial conveying belt to the dispatch conveying belt. The dispatch conveyor belt dispatches all materials in the same batch of materials to the first conveyor belt or the second conveyor belt or the third conveyor belt; every three batches of materials are in a circulation, and the dispatch conveyer belt is used for sequentially conveying the three batches of materials to the first conveyer belt, the second conveyer belt and the third conveyer belt. The controller controls the control motor in a timing manner so that the distribution conveyor belt can periodically rotate. When the backup pad rotates, limiting plate and baffle mutually support and prescribe a limit to the turned angle of backup pad for the distribution conveyer belt can be just right with first conveyer belt or second conveyer belt or third conveyer belt, makes the goods can normally discharge, reduces the possibility that the goods dropped, thereby guarantees the transportation effect of goods.

Optionally, the vertical slip has the control section of thick bamboo that the cover was located the bracing piece outer wall on the support, the bracing piece outer wall is equipped with the external screw thread, the control section of thick bamboo inner wall is equipped with the internal screw thread with external screw thread matched with, the control section of thick bamboo links to each other with the bracing piece screw thread, be connected with the transfer line between control section of thick bamboo and the limiting plate, annular rotation groove has been seted up to the control section of thick bamboo outer wall, sliding connection has the turning block in the rotation groove, transfer line one end links to each other with the limiting plate hinge, and the other end links to each other with the turning block hinge.

Through adopting above-mentioned technical scheme, when the bracing piece drove the backup pad and rotated, control section of thick bamboo upwards slides along the bracing piece, and the transfer line is followed to remove, and control section of thick bamboo applys the driving force to the limiting plate through the transfer line for the limiting plate outwards slides. When the supporting plate rotates 90 degrees, the limiting plate just extends out completely to be abutted against the baffle. When the supporting rod drives the supporting plate to reset, the limiting plate is retracted along with the reset. Through the setting of control section of thick bamboo and transfer line, when the backup pad rotated, the limiting plate was automatic to follow flexible, controlled the turned angle of backup pad, convenient to use.

Optionally, a plurality of gag levers are vertically fixed on the support, a plurality of limiting holes opposite to the gag levers are formed in the control cylinder, and the gag levers are arranged in the limiting holes in a penetrating mode.

Through adopting above-mentioned technical scheme, the gag lever post slides from top to bottom in the spacing downthehole, and the gag lever post is controlled the motion of control section of thick bamboo for the control section of thick bamboo only can slide from top to bottom, thereby prevent that the control section of thick bamboo from following the synchronous rotation of backing bar and causing the influence to the control of limiting plate.

Optionally, the control section of thick bamboo includes inner tube and urceolus, the inner wall is located to the internal thread, the rotation groove is offered in the urceolus outer wall, spacing hole is offered on the urceolus, link to each other through the screw thread between urceolus and the inner tube, and the screw thread between urceolus and the inner tube revolve to opposite with the screw thread of internal thread revolve, be fixed with on the support and be used for the spacing section of thick bamboo of contradicting with the inner tube, the limiting plate is located the spout when being close to the one end of bracing piece, the inner tube lower extreme is contradicted with spacing section of thick bamboo.

By adopting the technical scheme, the supporting plate rotates clockwise for 90 degrees, and the supporting rod drives the control cylinder to slide upwards, so that the limiting plate extends gradually; the backup pad anticlockwise rotation 90 degrees, and the bracing piece drives control section of thick bamboo downstream, and the limiting plate is retracted gradually and is reset, is located the tip that the spout is close to the bracing piece, and the inner tube is contradicted with the limiting section of thick bamboo, and the inner tube can't continue the downwardly sliding. The backup pad continues anticlockwise rotation 90 degrees, because spacing section of thick bamboo shelters from the inner tube, and the inner tube can't continue to slide downwards, and the inner tube follows the synchronous rotation of bracing piece, and the urceolus upwards moves under the effect of screw thread to promote the limiting plate outwards to stretch out. The control section of thick bamboo divide into inner tube and urceolus for the backup pad is in initial position, and conveyer belt and first output area are just right promptly, no matter clockwise rotation or anticlockwise rotation, and the limiting plate can both stretch out, thereby can touch with the baffle on second conveyer belt or the third conveyer belt.

Optionally, the inner wall of the outer cylinder is provided with a locking hole arranged along the radial direction, a locking ball is slidably connected in the locking hole, a locking spring is arranged between the locking ball and the locking hole, and the outer wall of the inner cylinder is provided with a locking groove matched with the locking ball.

By adopting the technical scheme, when the supporting rod rotates to drive the control cylinder to move upwards, the outer cylinder is opposite to the inner cylinder, and the locking balls are embedded into the locking grooves under the action of the locking springs, so that the outer cylinder and the inner cylinder are locked. The inner cylinder moves upwards under the drive of the supporting rod, and the outer cylinder moves upwards synchronously. The locking ball increases the locking force between the inner cylinder and the outer cylinder, and prevents the inner cylinder and the supporting rod from always rotating synchronously.

Optionally, the both ends sliding connection of conveyer belt has the auxiliary roller, the direction of transmission of auxiliary roller is unanimous with the direction of transmission of conveyer belt.

Through adopting above-mentioned technical scheme, when the conveyer belt rotated, the auxiliary roller was retracted, reduced whole length and be convenient for rotate, rotated to the relevant position after, the auxiliary roller stretches out, the transmission of the material of being convenient for.

Optionally, the output ends of the initial conveying belt and the dispatch conveying belt are vertically connected with protection plates in a sliding manner.

Through adopting above-mentioned technical scheme, when the initial conveyer belt carries the material to the dispatch conveyer belt on, the guard plate of dispatch conveyer belt tip rises and shelters from the material, prevents that the material from dropping from the dispatch conveyer belt. After all materials in a batch are conveyed onto the distribution conveyor belt, the protection plate at the end part of the initial conveyor belt is lifted, and the materials on the initial conveyor belt are prevented from falling. When the dispatch conveyer belt carries, the guard plate descends to the output of material.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the limiting plate and the baffle are mutually matched to limit the rotation angle of the supporting plate, so that the distribution conveying belt can be opposite to the first conveying belt, the second conveying belt or the third conveying belt, cargoes can be normally discharged, the falling possibility of the cargoes is reduced, and the transporting effect of the cargoes is ensured;

2. through the setting of guard plate, the guard plate shelters from the protection to the material, prevents that the material from dropping and damaging.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment.

Fig. 2 is a schematic diagram of a configuration of a dispatch transmission band in an embodiment.

Fig. 3 is a schematic diagram showing the structure of a shutter and a trigger in the embodiment.

Fig. 4 is a schematic structural view of the control cylinder in the embodiment.

Reference numerals illustrate: 1. starting a transmission belt; 2. a first output tape; 3. assigning a transmission belt; 31. a support; 311. a limit rod; 312. a limiting cylinder; 32. a support rod; 33. a support plate; 331. a chute; 332. a limiting plate; 34. a conveyor belt; 341. an auxiliary roller; 342. a bracket; 35. a protection plate; 36. controlling a motor; 37. a controller; 38. a control cylinder; 381. an outer cylinder; 3811. a rotating groove; 3812. a rotating block; 3813. a limiting hole; 3814. a locking hole; 3815. a locking ball; 3816. a locking spring; 382. an inner cylinder; 3821. a locking groove; 39. a transmission rod; 4. a second conveyor belt; 5. a third conveyor belt; 6. a baffle; 61. a trigger.

Description of the embodiments

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a conveying device, referring to fig. 1, comprising a start conveyor belt 1, a dispatch conveyor belt 3, a first output conveyor belt 2, a second conveyor belt 4 and a third conveyor belt 5. The output end of the initial conveyor belt 1 is fixed with a counting sensor for counting the number of discharged materials. A dispatch conveyor 3 is located between the initial conveyor 1 and the first output conveyor 2, the dispatch conveyor 3 dispatches material from the initial conveyor 1 onto the first output conveyor 2, the second conveyor 4, and the third conveyor 5. The second conveyor belt 4 and the third conveyor belt 5 are respectively positioned at two sides of the dispatch conveyor belt 3, the conveying directions of the second conveyor belt 4 and the third conveyor belt 5 are opposite, and the second conveyor belt 4 is perpendicular to the initial conveyor belt 1.

Referring to fig. 1, the output ends of the start conveyor 1 and the dispatch conveyor 3 are vertically slidably connected with a shielding plate 35 by means of a cylinder. When the initial conveyor belt 1 conveys materials to the distribution conveyor belt 3, the protection plate 35 at the end part of the distribution conveyor belt 3 is lifted to shield the materials, so that the materials are prevented from falling from the distribution conveyor belt 3. When the dispatch conveyor 3 is conveying, the protection plate 35 is lowered for the output of the material.

Referring to fig. 2, the dispatch conveyor 3 includes a support 31, a support bar 32 vertically rotatably coupled to the support 31, a support plate 33 fixed to an upper end of the support bar 32, and a conveyor 34 provided on the support plate 33. The two ends of the conveyer belt 34 are horizontally and slidably connected with a bracket 342 through an air cylinder, and an auxiliary roller 341 is rotatably connected on the bracket 342. The carriage 342 slides along the length of the conveyor belt 34. Before the conveyor belt 34 rotates, the bracket 342 slides in a direction approaching the conveyor belt 34, thereby shortening the overall length and facilitating the rotation of the support plate 33. After the conveyer 34 rotates and stops, the support 342 slides away from the conveyer 34, so that the overall length is increased, and the stability of material conveying is improved.

Referring to fig. 1 and 2, when the conveyor belt 34 is in the initial position, the input end of the conveyor belt 34 is opposite to the output end of the initial conveyor belt 1, and the output end of the conveyor belt 34 is opposite to the input end of the first output belt 2.

Referring to fig. 1 and 2, a control motor 36 for controlling the rotation of the support bar 32 is mounted on the support 31, and the control motor 36 is electrically connected to a controller 37. The controller 37 causes the control motor to be periodically started so that the support plate is periodically rotated, thereby sequentially discharging the materials from the first discharge belt 2, the second transfer belt 4, and the third transfer belt 5 in batches.

Referring to fig. 1 to 3, a bar-shaped chute 331 is horizontally provided on the support plate 33, and the chute 331 is provided along a radial direction of the support plate 33. A limiting plate 332 is slidably connected to the slide groove 331. The second conveyor belt 4 and the third conveyor belt 5 are provided with a baffle 6 for matching with the limiting plate 332, and the baffle 6 is provided with a trigger 61. When the conveyor 34 is aligned with the second conveyor 4 or the third conveyor 5, the trigger 61 abuts against the stopper plate 332. The trigger 61 is electrically connected with the controller 37, when the trigger 61 touches the limiting plate 332, the controller 37 sends a stop command to the control motor 36, and when the control motor 36 receives the stop command, the control motor 36 stops. The trigger 61 improves the control accuracy of the control motor 36, and ensures the accuracy of the docking of the conveyor 34 with the second conveyor 4 or the third conveyor 5.

Referring to fig. 2 and 3, when the support plate 33 is in the initial state, the limiting plate 332 is positioned at one end of the chute 331 near the support rod 32, and the end of the limiting plate 332 does not protrude from the support plate 33, thereby facilitating the rotation of the support plate 33. When the support plate 33 rotates, the stopper plate 332 protrudes so as to collide with the shutter 6.

Referring to fig. 2 and 4, the outer wall of the support rod 32 is vertically slidably connected with a control cylinder 38, and the control cylinder 38 includes an inner cylinder 382 and an outer cylinder 381, and the inner cylinder 382 and the outer cylinder 381 are connected by threads. An annular rotating groove 3811 is formed in the outer wall of the outer barrel 381, a rotating block 3812 is connected in the rotating groove 3811 in a sliding mode, a transmission rod 39 is arranged between the rotating block 3812 and the limiting plate 332, one end of the transmission rod 39 is connected with the rotating block 3812 in a hinged mode, and the other end of the transmission rod 39 is connected with the limiting plate 332 in a hinged mode. When the control cylinder 38 slides up and down, the driving rod 39 drives the limiting plate 332 to slide back and forth in the chute 331.

Referring to fig. 2 and 4, the inner wall of the inner cylinder 382 is further provided with an internal thread, the outer wall of the support rod 32 is provided with an external thread, the inner cylinder 382 is in threaded connection with the support rod 32, and the thread rotation direction between the inner cylinder 382 and the support rod 32 is opposite to the thread rotation direction between the outer cylinder 381 and the inner cylinder 382. The support 31 is provided with a limiting cylinder 312 for abutting and limiting the inner cylinder 382, when the supporting plate 33 is in an initial state, the limiting plate 332 is located at one end of the sliding groove 331 close to the supporting rod 32, and the lower end of the inner cylinder 382 abuts against the limiting cylinder 312.

Referring to fig. 1 to 4, when the dispatch conveyor 3 is conveyed to the second conveyor 4, the control motor 36 is rotated forward, the support plate 33 and the support bar 32 are rotated clockwise, and the support bar 32 drives the inner cylinder 382 to move upward by the screw threads. The inner cylinder 382 drives the outer cylinder 381 to move upward synchronously, and the transmission rod 39 pushes the limiting plate 332, so that the limiting plate 332 gradually extends out of the supporting plate 33, when the supporting plate 33 rotates 90 degrees clockwise, the extending length of the limiting plate 332 reaches the maximum value, and at this time, the limiting plate 332 is abutted against the baffle 6.

Referring to fig. 1 to 4, when the support plate 33 is reset after rotating 90 degrees clockwise, the control motor 36 is reversed, the support plate 33 and the support rod 32 rotate anticlockwise, the control cylinder 38 slides downwards along the support rod 32 under the drive of the screw thread, the transmission rod 39 pulls the limiting plate 332, the limiting plate 332 gradually retracts into the support plate 33, and when the support plate 33 is reset, the limiting plate 332 is positioned at the end of the chute 331 close to the support rod 32.

Referring to fig. 1 to 4, when the dispatch conveyor 3 is conveyed toward the third conveyor 5, the control motor 36 is reversed, at this time, since the inner cylinder 382 cannot move downward due to the interference of the limiting cylinder 312 to the inner cylinder 382, the inner cylinder 382 rotates synchronously with the support rod 32, the outer cylinder 381 slides upward along the inner cylinder 382 under the action of the screw thread, the transmission rod 39 pushes the limiting plate 332 to extend outward gradually to extend out of the support plate 33, and when the support plate 33 rotates 90 degrees counterclockwise, the extending length of the limiting plate 332 reaches the maximum value, at this time, the limiting plate 332 interferes with the baffle 6.

Referring to fig. 1 to 4, when the support plate 33 is reset after rotating 90 degrees counterclockwise, the control motor 36 rotates forward, the inner cylinder 382 rotates synchronously, the outer cylinder 381 descends gradually under the action of the screw thread, and drives the limiting plate 332 to retract gradually into the support plate 33, and when the support plate 33 resets, the limiting plate 332 is positioned at the end of the chute 331 close to the support rod 32.

Referring to fig. 1 to 4, a locking hole 3814 is formed in the inner wall of the outer cylinder 381 and is radially arranged, a locking ball 3815 is slidably connected in the locking hole 3814, a locking spring 3816 is arranged between the locking ball 3815 and the locking hole 3814, when the locking spring 3816 is in a natural state, a part of the locking ball 3815 extends out of the locking hole 3814, and a locking groove 3821 matched with the locking ball 3815 is formed in the outer wall of the inner cylinder 382. When the inner cylinder 382 is fully retracted in the outer cylinder 381, the locking balls 3815 are embedded in the locking grooves 3821, and at this time, the friction force between the inner cylinder 382 and the outer cylinder 381 is greater than the friction force between the inner cylinder 382 and the support rod 32, and when the locking balls 3815 are disengaged from the locking grooves 3821, the friction force between the inner cylinder 382 and the outer cylinder 381 is less than the friction force between the inner cylinder 382 and the support rod 32.

Referring to fig. 1 to 4, when the dispatch conveyor 3 is conveyed to the second conveyor 4, the support bar 32 rotates clockwise, at this time, the inner cylinder 382 is retracted into the outer cylinder 381, the locking balls 3815 are embedded into the locking grooves 3821, the friction between the inner cylinder 382 and the outer cylinder 381 is greater than the friction between the inner cylinder 382 and the support bar 32, and the inner cylinder 382 is not easy to rotate synchronously with the support bar 32, so that the inner cylinder 382 drives the outer cylinder 381 to move up and down along the support bar 32.

Referring to fig. 1 to 4, when the dispatch conveyor 3 is conveyed to the third conveyor 5, the support bar 32 rotates counterclockwise, and since the inner tube 382 is limited by the limiting tube 312, the inner tube 382 cannot move linearly downward and can only rotate along with the support bar 32, at this time, the torsion between the outer tube 381 and the inner tube 382 overcomes the friction between the outer tube 381 and the inner tube 382, and the two rotate relatively, and at this time, the locking ball 3815 presses the locking spring 3816 to release from the locking groove 3821, and the outer tube 381 moves linearly up and down along the support bar 32. When the locking ball 3815 is disengaged from the locking groove 3821, the friction force between the outer cylinder 381 and the inner cylinder 382 is smaller than the friction force between the inner cylinder 382 and the support rod 32, i.e. when the support rod 32 rotates, the inner cylinder 382 preferentially rotates synchronously with the support rod 32 to drive the outer cylinder 381 to move up and down until the locking ball 3815 is embedded into the locking groove 3821 again.

Referring to fig. 2 and 4, a plurality of limiting rods 311 are vertically fixed on the support 31, the limiting rods 311 are circumferentially arranged along the support rod 32, a plurality of limiting holes 3813 corresponding to the limiting rods 311 one by one are formed in the outer barrel 381, the limiting rods 311 penetrate through the limiting holes 3813, and the outer barrel 381 slides up and down along the limiting holes 3813. The limit rod 311 and the limit hole 3813 cooperate to limit and guide the movement of the outer barrel 381, so as to prevent the outer barrel 381 from synchronously rotating along with the inner barrel 382.

The implementation principle of the conveying equipment in the embodiment of the application is as follows: all materials in the same batch are placed on the initial conveyor belt 1, the initial conveyor belt 1 conveys the materials to the dispatch conveyor belt 3, and the dispatch conveyor belt 3 conveys the materials in the same batch to the first conveyor belt 2 or the second conveyor belt 4 or the third conveyor belt 5; every three batches of material are in one cycle, and the dispatch conveyor 3 conveys the three batches of material to the first conveyor 2, the second conveyor 4 and the third conveyor 5 in sequence.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Conveying equipment comprises a starting conveying belt (1) and a first output belt (2), wherein a dispatch conveying belt (3) is arranged between the first output belt (2) and the starting conveying belt (1), and is characterized in that: the two sides of the dispatch transmission belt (3) are respectively provided with a second transmission belt (4) and a third transmission belt (5), the dispatch transmission belt (3) comprises a support (31), a support rod (32) is vertically and rotatably connected to the support (31), a support plate (33) is fixed on the support rod (32), and a conveying belt (34) is arranged on the support plate (33); a control motor (36) for driving the support rod (32) to rotate is arranged on the support (31), the control motor (36) is electrically connected with a controller (37), and the controller (37) controls the start and stop of the control motor (36); the utility model discloses a control device for a bicycle, including support plate (33), spout (331) that the level set up has been seted up on support plate (33), sliding connection has limiting plate (332) in spout (331), be equipped with baffle (6) that contradict with limiting plate (332) on second transmission band (4) and third transmission band (5), when limiting plate (332) contradicted with baffle (6), conveyer belt (34) are mutually perpendicular with initial transmission band (1), be equipped with trigger (61) that are used for with limiting plate (332) butt on baffle (6), trigger (61) and controller (37) electric connection, vertical sliding has control cylinder (38) that the cover was located bracing piece (32) outer wall on support (31), the bracing piece (32) outer wall is equipped with the external screw thread, control cylinder (38) inner wall be equipped with external screw thread matched with, control cylinder (38) link to each other with bracing piece (32) screw thread, be connected with transfer line (39) between control cylinder (38) and limiting plate (332), annular groove (3811) are seted up with on control cylinder (38) outer wall, rotary block (3812) and hinged block (3812) link to each other.

2. A conveying apparatus according to claim 1, wherein: a plurality of limiting rods (311) are vertically fixed on the support (31), a plurality of limiting holes (3813) which are opposite to the limiting rods (311) are formed in the control cylinder (38), and the limiting rods (311) are arranged in the limiting holes (3813) in a penetrating mode.

3. A conveying apparatus according to claim 2, wherein: the control cylinder (38) comprises an inner cylinder (382) and an outer cylinder (381), the inner screw is arranged on the inner wall of the inner cylinder (382), the rotating groove (3811) is formed in the outer wall of the outer cylinder (381), the limiting hole (3813) is formed in the outer cylinder (381), the outer cylinder (381) is connected with the inner cylinder (382) through screw threads, the screw threads between the outer cylinder (381) and the inner cylinder (382) are opposite to the screw threads of the inner screw threads, a limiting cylinder (312) for being in interference with the inner cylinder (382) is fixed on the support (31), and the limiting plate (332) is located at one end of the sliding groove (331) close to the supporting rod (32), and the lower end of the inner cylinder (382) is in interference with the limiting cylinder (312).

4. A conveying apparatus according to claim 3, wherein: the inner wall of the outer cylinder (381) is provided with a locking hole (3814) which is arranged along the radial direction, a locking ball (3815) is connected in the locking hole (3814) in a sliding mode, a locking spring (3816) is arranged between the locking ball (3815) and the locking hole (3814), and a locking groove (3821) matched with the locking ball (3815) is formed in the outer wall of the inner cylinder (382).

5. A conveying apparatus according to claim 1, wherein: the two ends of the conveying belt (34) are connected with auxiliary rollers (341) in a sliding mode, and the conveying direction of the auxiliary rollers (341) is consistent with that of the conveying belt (34).

6. A conveying apparatus according to claim 1, wherein: the output ends of the initial conveying belt (1) and the dispatch conveying belt (3) are vertically and slidably connected with a protection plate (35).