CN109808235B

CN109808235B - Carton lithography apparatus

Info

Publication number: CN109808235B
Application number: CN201910224325.0A
Authority: CN
Inventors: 戴爱芬
Original assignee: Dongying Tianquan Packaging Printing Co ltd
Current assignee: Dongying Tianquan Packaging Printing Co.,Ltd.
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2021-04-09
Anticipated expiration: 2039-03-22
Also published as: CN109808235A

Abstract

A carton printing device comprises a printing box and a power cavity arranged in the printing box, wherein a power device is arranged in the power cavity, a power motor is arranged in the power device, a printing cavity is arranged in the printing box, a turnover device is arranged in the printing cavity, the turnover device is matched with the power device through an upper disc-shaped ratchet wheel, the turnover device comprises a rack, a finished carton is arranged in the turnover device, and a wire wheel cavity is arranged in the printing box; this device mechanism is simple, uses portably, has realized the printing to the finished product carton, because the finished product carton has six faces, has set up the device that can carry out the carton upset in this device to realize no dead angle printing, solved the problem that the finished product carton is difficult to the printing, carry out the carton printing for the enterprise and provide more selections.

Description

Carton lithography apparatus

Technical Field

The invention relates to the technical field of machinery, in particular to a carton printing device.

Background

Corrugated boxes are important transport packaging containers due to the characteristics of light weight, low cost, easiness in processing and convenience in storage and transportation, and are widely applied to products such as food, beverages, household appliances, medicines, daily necessities, electromechanics and the like.

Disclosure of Invention

Aiming at the technical defects, the invention provides a carton printing device which can overcome the defects.

The invention relates to a carton printing device, which comprises a printing box and a power cavity arranged in the printing box, wherein a power device is arranged in the power cavity, a power motor is arranged in the power device, a printing cavity is arranged in the printing box, a turnover device is arranged in the printing cavity, the turnover device is matched with the power device through an upper disc-shaped ratchet wheel, the turnover device comprises a rack, a finished carton is arranged in the turnover device, a wire wheel cavity is arranged in the printing box, a printing device is arranged in the wire wheel cavity, and the printing device is matched with the turnover device through the rack;

the reversing reset device is arranged in the reversing reset cavity, a reversing disc-shaped ratchet wheel is arranged in the reversing reset cavity, the reversing device is matched with the power device through the reversing disc-shaped ratchet wheel, the overturning device acts when the power motor rotates forwards, and the reversing device acts when the power motor rotates backwards;

in addition, a lifting device is arranged in the reversing reset cavity, a reset device is arranged in the reversing reset cavity, the reset device is matched with the reversing device, and the reset device is matched with the lifting device.

Preferably, power device including fixed set up in the power cavity left side wall the motor power, motor power right-hand member power is connected with the power shaft, the last fixed power pulley that is equipped with of power shaft, the power cavity left side wall rotates and is equipped with and is located the lower driving shaft of motor power downside, the last fixed power cooperation belt pulley that is equipped with power pulley complex of lower driving shaft.

Preferably, the turnover device comprises a sector gear shaft with a left end extending into the power cavity, the sector gear shaft is rotatably arranged on the left wall of the printing cavity, the left end of the sector gear shaft is matched with the power shaft through the upper disc-shaped ratchet wheel, a sector gear fixedly connected with the sector gear shaft is arranged in the printing cavity, a turntable positioned on the right side of the sector gear is fixedly arranged on the sector gear shaft, a separation salient point is fixedly arranged on the outer circumferential surface of the turntable, a rack sliding groove is arranged on the rear wall of the printing cavity, a rack connecting sliding block is slidably arranged in the rack sliding groove, the lower end surface of the rack connecting sliding block is fixedly matched with the bottom wall of the rack sliding groove through a rack reset spring, a rack buffer cavity with a forward opening is arranged in the rack connecting sliding block, a rack buffer rod is slidably arranged in the rack buffer cavity, and the rear end of the rack buffer rod is fixedly connected with the rear wall of the, a rack is fixedly arranged at the front end of the rack buffer rod, and a vertically-through rack extending groove is formed in the top wall of the wire wheel cavity;

still including bilateral symmetry rotate set up in the trip shaft of printing chamber left and right walls, the trip shaft is close to the fixed sucking disc that is equipped with of one end each other, be provided with between the sucking disc finished product carton, left side fixed be equipped with on the trip shaft with rack toothing's upset gear, be equipped with in the printing case and be located the transmission chamber on printing chamber right side, right side the trip shaft right-hand member extends to in the transmission chamber, control fixedly on the trip shaft be equipped with upset drive gear, it is equipped with the right-hand member and extends to rotate in the wall body is extended to the printing chamber rear wall just with in the transmission chamber right side wall normal running fit's intermediate drive shaft, fixed being equipped with on the intermediate drive shaft respectively with the left and right the intermediate gear of upset drive gear.

Preferably, the printing device comprises a line shaft rotatably arranged between the left wall and the right wall of the line wheel cavity, a transmission gear of the wire wheel is fixedly arranged on the wire wheel shaft and meshed with the rack, a wire wheel positioned on the right side of the transmission gear of the wire wheel is fixedly arranged on the wire wheel shaft, a pull wire is wound on the wire wheel, a spring box is fixedly arranged on the bottom wall of the wire wheel cavity, a wire pulling cavity is arranged in the spring box, a printing slide block is arranged in the wire pulling cavity in a sliding manner, the lower end of the stay wire extends, the stay wire cavity is fixedly connected with the upper end surface of the printing slide block, the upper end surface of the printing slide block is fixedly connected with the top wall of the stay wire cavity through the reset spring, the printing slide block is characterized in that the lower end face of the printing slide block is fixedly provided with a printing connecting rod, the lower end of the printing connecting rod extends into the printing cavity, and a printing machine is arranged in the printing cavity and fixedly connected to the lower end of the printing connecting rod.

Preferably, the reversing device comprises a reversing shaft rotatably arranged on the rear wall of the reversing reset cavity, a transmission matching bevel gear is fixedly arranged on the reversing shaft, a reversing shaft with a left end extending into the power cavity is rotatably arranged on the left wall of the reversing reset cavity, the left end of the reversing shaft is matched with the lower driving shaft through a reversing disc-shaped ratchet wheel, a transmission bevel gear which is fixedly connected to the right end of the reversing shaft and meshed with the transmission matching bevel gear is arranged in the reversing reset cavity, a reversing wheel is fixedly arranged at the front end of the reversing shaft, a reversing groove with an upward opening is arranged in the reversing wheel, a box outlet groove which is positioned on the left side of the reversing groove and is open to the left is arranged in the reversing wheel, and an ascending groove which is positioned on the right side of the reversing groove and is open to the right is arranged in.

Preferably, the ascending device comprises a hydraulic cylinder fixedly arranged on the bottom wall of the reversing reset cavity, the upper end of the hydraulic cylinder is in power connection with a hydraulic rod, and an ascending plate is fixedly arranged at the upper end of the hydraulic rod.

Preferably, the resetting device comprises a resetting rack fixed on the outer circular surface of the reversing wheel, a resetting shaft is arranged on the rear wall of the reversing resetting cavity in a rotating mode, a resetting torsion spring fixedly connected with the rear wall of the reversing resetting cavity is fixedly arranged on the resetting shaft, a resetting gear meshed with the resetting rack is fixedly arranged at the front end of the resetting shaft, a jacking spring cavity is arranged in the bottom wall of the reversing resetting cavity, a control connecting rod is arranged in the jacking spring cavity in a sliding mode, the lower end face of the control connecting rod is fixedly connected with the bottom wall of the jacking spring cavity through the jacking spring, the upper end of the control connecting rod extends into the reversing resetting cavity, a limiting control rod is fixedly arranged at the upper end of the reversing resetting cavity, the upper end of the limiting control rod on the left side is abutted against the lower end face of the lifting plate, and a limiting rod is fixedly.

To sum up, this device mechanism is simple, uses portably, has realized the printing to the finished product carton, because the finished product carton has six faces, has set up the device that can overturn the carton in this device to realize no dead angle printing, solved the problem that the finished product carton is difficult to the printing, carry out the carton printing for the enterprise and provide more selections.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic view showing the overall structure of a carton printing apparatus according to the present invention;

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic view of the structure at B-B in FIG. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

As shown in fig. 1-3, a carton printing apparatus of the present invention comprises a printing box 10 and a power chamber 11 disposed in the printing box 10, wherein a power device is disposed in the power chamber 11, a power motor 12 is disposed in the power device, a printing chamber 50 is disposed in the printing box 10, a turnover device is disposed in the printing chamber 50, the turnover device is engaged with the power device through an upper disc-shaped ratchet 15, the turnover device comprises a rack 23, a finished carton 42 is disposed in the turnover device, a reel chamber 19 is disposed in the printing box 10, a printing device is disposed in the reel chamber 19, and the printing device is engaged with the turnover device through the rack 23;

the printing box is characterized by further comprising a reversing reset cavity 57 arranged in the printing box 10, a reversing device is arranged in the reversing reset cavity 57, a reversing disc-shaped ratchet wheel 60 is arranged in the reversing device, the reversing device is matched with the power device through the reversing disc-shaped ratchet wheel 60, the reversing device acts when the power motor 12 rotates forwards, and the reversing device acts when the power motor 12 rotates backwards;

in addition, a lifting device is arranged in the reversing reset cavity 57, a reset device is arranged in the reversing reset cavity 57, the reset device is matched with the reversing device, and the reset device is matched with the lifting device.

Advantageously, the power device comprises the power motor 12 fixedly arranged on the left wall of the power cavity 11, the right end of the power motor 12 is in power connection with a power shaft 14, a power belt pulley 13 is fixedly arranged on the power shaft 14, a lower driving shaft 58 positioned on the lower side of the power motor 12 is rotatably arranged on the left wall of the power cavity 11, and a power matching belt pulley 59 matched with the power belt pulley 13 is fixedly arranged on the lower driving shaft 58.

Advantageously, the turning device comprises a sector gear shaft 16 rotatably arranged on the left wall of the printing chamber 50 and extending into the power chamber 11 at the left end, the sector gear shaft 16 is engaged with the power shaft 14 through the upper disc-shaped ratchet 15, a sector gear 17 fixedly connected to the sector gear shaft 16 is arranged in the printing chamber 50, a turntable 18 positioned on the right side of the sector gear 17 is fixedly arranged on the sector gear shaft 16, disengaging protrusions 24 are fixedly arranged on the outer circumferential surface of the turntable 18, a rack sliding groove 65 is arranged on the rear wall of the printing chamber 50, a rack connecting slider 67 is slidably arranged in the rack sliding groove 65, the lower end surface of the rack connecting slider 67 is fixedly engaged with the bottom wall of the rack sliding groove 65 through a rack return spring 68, a rack buffer chamber 66 opened forwards is arranged in the rack connecting slider 67, and a rack buffer rod 69 is slidably arranged in the rack buffer chamber 66, the rear end of the rack buffer rod 69 is fixedly connected with the rear wall of the rack buffer cavity 66 through a rack return spring 70, a rack 23 is fixedly arranged at the front end of the rack buffer rod 69, and a rack extending groove 22 which is through up and down is arranged on the top wall of the wire wheel cavity 19;

still include bilateral symmetry rotate set up in the trip shaft 40 of printing chamber 50 left and right walls, trip shaft 40 is close to one end each other and is fixed and is equipped with sucking disc 41, be provided with between the sucking disc 41 finished product carton 42, left side fixed be equipped with on the trip shaft 40 with rack 23 meshed overturning gear 25, be equipped with in the printing box 10 and be located the transmission chamber 38 on printing chamber 50 right side, the right side 40 right-hand member of trip shaft extends to in the transmission chamber 38, control fixed upset drive gear 39 that is equipped with on the trip shaft 40, it extends to rotate in the printing chamber 50 back wall extension wall body is equipped with the right-hand member in the transmission chamber 38 and with transmission chamber 38 right wall normal running fit's intermediate drive shaft 52, fixed being equipped with respectively with on the intermediate drive shaft 52 about with upset drive gear 39 meshed intermediate gear 51.

Beneficially, the printing device includes a reel shaft 20 rotatably disposed between the left and right walls of the reel cavity 19, a reel transmission gear 21 is fixedly disposed on the reel shaft 20, the reel transmission gear 21 is engaged with the rack 23, a reel 48 located on the right side of the reel transmission gear 21 is fixedly disposed on the reel shaft 20, a pull wire 49 is wound on the reel 48, a spring box 46 is fixedly disposed on the bottom wall of the reel cavity 19, a pull wire cavity 71 is disposed in the spring box 46, a printing slider 45 is slidably disposed in the pull wire cavity 71, the lower end of the pull wire 49 extends to be fixedly connected to the upper end face of the printing slider 45 in the pull wire cavity 71, the upper end face of the printing slider 45 is fixedly connected to the top wall of the pull wire cavity 71 through the return spring 47, and the lower end face of the printing slider 45 is fixedly provided with a printing connecting rod 44 whose lower end extends to the printing cavity 50, the printing chamber 50 is provided therein with a printer 43 fixedly coupled to a lower end of the printing connection bar 44.

Advantageously, the commutation means comprise a commutation shaft 36 rotatably arranged in the rear wall of the commutation return chamber 57, the reversing shaft 36 is fixedly provided with a transmission matching bevel gear 62, the left wall of the reversing reset cavity 57 is rotatably provided with a reversing shaft 26 the left end of which extends into the power cavity 11, the left end of the reversing shaft 26 is matched with the lower driving shaft 58 through the reversing disc-shaped ratchet wheel 60, a transmission bevel gear 61 fixedly connected to the right end of the reversing shaft 26 and meshed with the transmission matching bevel gear 62 is arranged in the reversing reset cavity 57, a reversing wheel 35 is fixedly arranged at the front end of the reversing shaft 36, a reversing groove 28 which is opened upwards is arranged in the reversing wheel 35, the reversing wheel 35 is provided with a box outlet groove 27 which is positioned at the left side of the reversing groove 28 and is opened leftwards, the reversing wheel 35 is provided therein with a rising groove 37 which is located on the right side of the reversing groove 28 and opens rightward.

Advantageously, the lifting device comprises a hydraulic cylinder 31 fixedly arranged on the bottom wall of the reversing reset cavity 57, a hydraulic rod 30 is connected to the upper end of the hydraulic cylinder 31 in a power mode, and a lifting plate 29 is fixedly arranged on the upper end of the hydraulic rod 30.

Advantageously, the return means comprise a return rack 63 fixed to the outer circumferential surface of the reverser wheel 35, the rear wall of the reversing reset cavity 57 is rotatably provided with a reset shaft 54, the reset shaft 54 is fixedly provided with a reset torsion spring 64 fixedly connected with the rear wall of the reversing reset cavity 57, a reset gear 53 engaged with the reset rack 63 is fixedly arranged at the front end of the reset shaft 54, a top pressure spring cavity 33 is arranged in the bottom wall of the reversing reset cavity 57, a control connecting rod 34 is arranged in the top pressure spring cavity 33 in a sliding manner, the lower end surface of the control connecting rod 34 is fixedly connected with the bottom wall of the top pressure spring cavity 33 through a top pressure spring 32, the upper end of the control connecting rod 34 extends into the reversing reset cavity 57 and is fixedly provided with a limit control rod 56, the upper end of the left side of the limiting control rod 56 is abutted against the lower end face of the ascending plate 29, and the upper end of the right side of the limiting control rod 56 is fixedly provided with a limiting rod 55.

The applicant will now specifically describe a carton printing apparatus of the present application with reference to figures 1 to 3 and the above description:

in the initial state, the top pressure spring 32 is in a compressed state, the limiting rod 55 is located in the reset gear 53 for cooperation, and the printing machine 43 is engaged with the upper end face of the finished carton 42;

when four-side printing is started, the finished product carton 42 is placed between the suckers 41, the suckers 41 are started to fix the finished product carton 42, the power motor 12 is started to drive the power shaft 14 to rotate, the power shaft 14 rotates to drive the sector gear shaft 16 to rotate through the upper disc-shaped ratchet 15, the sector gear shaft 16 drives the left side overturning transmission gear 39 to rotate ninety degrees through the sector gear 17, the left side overturning transmission gear 39 drives the right side overturning transmission gear 39 to rotate through the left side intermediate gear 51 and the intermediate transmission shaft 52 so as to drive the right side overturning shaft 40 to rotate, the overturning shaft 40 drives the suckers 41 to rotate, the suckers 41 drive the finished product carton 42 to rotate ninety degrees for overturning, and when overturning is performed, the left side overturning shaft 40 drives the rack 23 to rotate through the overturning gear 25, the rack 23 drives the reel shaft 20 to rotate through the reel transmission gear 21, the reel shaft 20 drives the reel 48 to rotate, the reel 48 winds the pull wire 49 to drive the printing slider 45 to ascend, the printing slider 45 drives the printing machine 43 to ascend through the printing connecting rod 44 to empty space when the finished product carton 42 is turned over, after the turning over is finished, the turntable 18 rotates to enable the disengagement convex point 24 to abut against the rack 23 to press the rack 23 backwards, the rack 23 is disengaged from the reel transmission gear 21 and the turning gear 25, the rack reset spring 68 drives the rack 23 to reset through the rack connecting slider 67 and the rack buffer rod 69, at the moment, the power motor 12 stops, the disengagement convex point 24 continuously presses the rack 23 and slides relative to the rack 23, the reset spring 47 presses the printing slider 45, and the printing connecting rod 44 drives the printing machine 43 to abut against the upper end surface of the finished product carton 42 for printing;

when the remaining two sides are printed, the suction cups 41 are closed, and after the finished cartons 42 fall into the reversing slots 28, the power motor 12 is started to rotate reversely, the lower driving shaft 58 drives the reversing shaft 26 to rotate through the reversing disc-shaped ratchet wheel 60, the reversing shaft 26 drives the reversing shaft 36 to rotate through the transmission bevel gear 61 and the transmission matching bevel gear 62, so that the box outlet groove 27 is opened upwards, at the moment, the power motor 12 stops, the hydraulic cylinder 31 is started to drive the lifting plate 29 to ascend through the hydraulic rod 30, the lifting plate 29 presses and resets the finished product carton 42 upwards through the lifting groove 37, the suction cups 41 are activated again to fix the finished cartons 42, the printing of the remaining two faces is performed, when the printing pattern is set in the printer 43, the printed two sides are set as blank to avoid repeated printing;

when resetting, when the switching-over device commutates, the switching-over wheel 35 passes through reset rack 63 drives reset gear 53 rotates, reset gear 53 passes through reset shaft 54 drives reset torsion spring 64 holds power, when rising board 29 ascends, restriction control lever 56 is in make under the roof pressure spring 32 action restriction lever 55 with reset gear 53 cooperates, when rising board 29 resets, restriction control lever 56 resets, reset gear 53 is in drive under the effect of reset torsion spring 64 switching-over wheel 35 resets.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a carton lithography apparatus, includes the printing case and sets up the power chamber in the printing case, its characterized in that: a power device is arranged in the power cavity, a power motor is arranged in the power device, a printing cavity is arranged in the printing box, a turnover device is arranged in the printing cavity and matched with the power device through an upper disc-shaped ratchet wheel, the turnover device comprises a rack, a finished product carton is arranged in the turnover device, a wire wheel cavity is arranged in the printing box, a printing device is arranged in the wire wheel cavity, and the printing device is matched with the turnover device through the rack; the reversing reset device is arranged in the reversing reset cavity, a reversing disc-shaped ratchet wheel is arranged in the reversing reset cavity, the reversing device is matched with the power device through the reversing disc-shaped ratchet wheel, the overturning device acts when the power motor rotates forwards, and the reversing device acts when the power motor rotates backwards; in addition, a lifting device is arranged in the reversing reset cavity, a reset device is arranged in the reversing reset cavity, the reset device is matched with the reversing device, and the reset device is matched with the lifting device; the power device comprises a power motor fixedly arranged on the left wall of the power cavity, the right end of the power motor is in power connection with a power shaft, a power belt pulley is fixedly arranged on the power shaft, a lower driving shaft positioned on the lower side of the power motor is rotatably arranged on the left wall of the power cavity, and a power matching belt pulley matched with the power belt pulley is fixedly arranged on the lower driving shaft; the turnover device comprises a sector gear shaft, wherein the left end of the sector gear shaft extends into the power cavity, the left end of the sector gear shaft is matched with the power shaft through the upper disc-shaped ratchet wheel, a sector gear fixedly connected with the sector gear shaft is arranged in the printing cavity, a turntable positioned on the right side of the sector gear is fixedly arranged on the sector gear shaft, a separation salient point is fixedly arranged on the outer circular surface of the turntable, a rack sliding groove is arranged on the rear wall of the printing cavity, a rack connecting sliding block is arranged in the rack sliding groove in a sliding manner, the lower end surface of the rack connecting sliding block is fixedly matched with the bottom wall of the rack sliding groove through a rack reset spring, a rack buffer cavity with a forward opening is arranged in the rack connecting sliding block, a rack buffer rod is arranged in the rack buffer cavity in a sliding manner, and the rear end of the rack buffer rod is fixedly connected with the rear wall of the rack buffer cavity, a rack is fixedly arranged at the front end of the rack buffer rod, and a vertically-through rack extending groove is formed in the top wall of the wire wheel cavity; the printing device is characterized by further comprising turnover shafts which are bilaterally symmetrical and rotatably arranged on the left wall and the right wall of the printing cavity, suction cups are fixedly arranged at the ends, close to each other, of the turnover shafts, the finished product carton is arranged between the suction cups, turnover gears meshed with the racks are fixedly arranged on the turnover shafts on the left side, a transmission cavity located on the right side of the printing cavity is arranged in the printing box, the right end of the turnover shaft on the right side extends into the transmission cavity, turnover transmission gears are fixedly arranged on the left turnover shaft and the right turnover shaft, a middle transmission shaft is rotatably arranged in the wall body extending on the rear wall of the printing cavity, the right end of the middle transmission shaft extends into the transmission cavity and is rotatably matched with the right wall of the transmission cavity, and middle gears; the printing device comprises a reel shaft which is rotatably arranged between the left wall and the right wall of the reel cavity, a reel transmission gear is fixedly arranged on the reel shaft, the transmission gear of the wire wheel is meshed with the rack, the wire wheel shaft is fixedly provided with a wire wheel positioned on the right side of the transmission gear of the wire wheel, the wire wheel is wound with a pull wire, the bottom wall of the wire wheel cavity is fixedly provided with a spring box, the spring box is internally provided with a pull wire cavity, a printing slide block is arranged in the pull wire cavity in a sliding way, the pull wire cavity in the extension of the lower end of the pull wire is fixedly connected with the upper end surface of the printing slide block, the upper end surface of the printing slide block is fixedly connected with the top wall of the stay wire cavity through the return spring, the lower end face of the printing slide block is fixedly provided with a printing connecting rod of which the lower end extends into the printing cavity, and a printing machine fixedly connected to the lower end of the printing connecting rod is arranged in the printing cavity; the reversing device comprises a reversing shaft which is rotatably arranged on the rear wall of the reversing reset cavity, a transmission matched bevel gear is fixedly arranged on the reversing shaft, a reversing shaft of which the left end extends into the power cavity is rotatably arranged on the left wall of the reversing reset cavity, the left end of the reversing shaft is matched with the lower driving shaft through a reversing disc-shaped ratchet wheel, a transmission bevel gear which is fixedly connected to the right end of the reversing shaft and is meshed with the transmission matched bevel gear is arranged in the reversing reset cavity, a reversing wheel is fixedly arranged at the front end of the reversing shaft, a reversing groove with an upward opening is arranged in the reversing wheel, a box outlet groove which is positioned on the left side of the reversing groove and is opened leftwards is arranged in the reversing wheel, and an ascending groove which is positioned on the right side of the reversing groove and is opened rightwards; the lifting device comprises a hydraulic cylinder fixedly arranged on the bottom wall of the reversing reset cavity, the upper end of the hydraulic cylinder is in power connection with a hydraulic rod, and a lifting plate is fixedly arranged at the upper end of the hydraulic rod; the reset device comprises a reset rack fixed on the outer circular surface of the reversing wheel, a reset shaft is arranged on the rear wall of the reversing reset cavity in a rotating mode, a reset torsion spring fixedly connected with the rear wall of the reversing reset cavity is fixedly arranged on the reset shaft, a reset gear meshed with the reset rack is fixedly arranged at the front end of the reset shaft, a top pressure spring cavity is arranged in the bottom wall of the reversing reset cavity, a control connecting rod is arranged in the top pressure spring cavity in a sliding mode, the lower end face of the control connecting rod is fixedly connected with the bottom wall of the top pressure spring cavity through the top pressure spring, the upper end of the control connecting rod extends to a limiting control rod fixedly arranged in the reversing reset cavity and at the upper end of the reversing reset cavity, the upper end of the left side of the limiting control rod is abutted against the lower end face of the lifting plate, and.