CN116891030A - Intermittent boxing machine - Google Patents

Abstract

The invention discloses an intermittent boxing machine, which aims to construct a clamping groove by utilizing an upper conveying line and a lower conveying line, stabilize a packaging box, guide products by utilizing a guide unit, ensure that the products can smoothly enter the packaging box, and has the technical scheme that: the intermittent boxing machine comprises a rack, a first conveying line, a box opening unit and a storage rack, wherein the first conveying line is arranged on the rack, the storage rack is positioned above the first conveying line, the box opening unit takes out a packing box in the storage rack, and moves to the input end of the first conveying line after opening the box, and a second conveying line is arranged above the first conveying line; still include along second direction and first transfer chain interval arrangement's product transfer chain, be equipped with the material station that pushes away on the product transfer chain, be equipped with the material station of charging that corresponds with the material station that pushes away on the first transfer chain, be equipped with the guide unit between material station and the material station of pushing away, one side that the material station of pushing away from the material station of charging is equipped with blevile of push, belongs to cartoning machine technical field.

Description

Intermittent boxing machine

Technical Field

The invention belongs to the technical field of boxing machines, and particularly relates to an intermittent boxing machine.

Background

The boxing machine is very common equipment in the field of product packaging, and mainly automatically loads specific products into corresponding packaging boxes to replace manual boxing.

For example, CN102849234a discloses a high-speed automatic medicine boxing machine, which comprises a frame, wherein a medicine plate conveying belt and a packing box conveying belt are arranged on the frame, the medicine plate conveying belt and the packing box conveying belt are arranged in parallel and are partially overlapped, a medicine plate pushing device is arranged at the overlapped part of the medicine plate conveying belt and the packing box conveying belt and is used for pushing semi-finished products to the packing box conveying belt from the medicine plate conveying belt, a medicine adding plate device and a paper adding device are sequentially arranged along one end of the medicine plate conveying belt, which is far away from the packing box conveying belt, to one end, which is close to the packing box conveying belt, of the packing box conveying belt, and a box unfolding device and a sealing device are sequentially arranged along one end, which is far away from the medicine plate conveying belt, of the packing box conveying belt;

in the boxing machine, the packing box is transported by adopting the column conveying belt, the packing box is placed and positioned by utilizing the interval between the first partition plate and the second partition plate, but in order to conveniently put the packing box after opening the box into the interval, the heights of the first partition plate and the second partition plate need to be limited, if the first partition plate and the second partition plate are too high, the packing box is easy to scrape, if the first partition plate and the second partition plate are too low, the positioning effect is poor, the upper end of the packing box is not limited, the deformation is easy, the loading of subsequent products is difficult, and especially, the size of the lining of the existing products with the lining is similar to the size of the inner space of the packing box, and the packing box needs to be kept in a stable posture, so that the lining can smoothly enter the packing box.

Disclosure of Invention

The invention mainly aims to provide an intermittent boxing machine, which aims to construct a clamping groove by using an upper conveying line and a lower conveying line, stabilize a packaging box, guide products by using a guide unit and ensure that the products can smoothly enter the packaging box.

According to a first aspect of the invention, there is provided an intermittent boxing machine, comprising a frame, a first conveying line arranged on the frame, a box opening unit and a storage rack positioned above the first conveying line, wherein the box opening unit takes out a packaging box in the storage rack, completes box opening and then moves to an input end of the first conveying line, the conveying direction of the first conveying line is a first direction, and a direction vertical to the first direction and horizontal to the first direction is a second direction; the conveying direction of the second conveying line is parallel to the first direction, the first conveying line comprises a first circulating conveying chain and first limiting columns which are arranged on the first circulating conveying chain at equal intervals, and the second conveying line comprises a second circulating conveying chain and second limiting columns which are arranged on the second circulating conveying chain at equal intervals;

along the first direction, the input end of the second conveying line is positioned in front of the input end of the first conveying line, the distance between the input end of the first conveying line and the input end of the second conveying line is larger than the distance between two adjacent first limit posts, and the distance between two adjacent first limit posts is larger than the length of the packing box in the first direction; the first limit column touches the lower end of one side of the packing box, which is opposite to the input end of the first conveying line, and the second limit column touches the upper end of one side of the packing box, which is opposite to the input end of the first conveying line;

still include along second direction and first transfer chain interval arrangement's product transfer chain, be equipped with the material station that pushes away on the first transfer chain and correspond with the material station that pushes away, be equipped with the guide unit between material station and the material station that pushes away, one side that the material station was dorsad to the material station that pushes away is equipped with blevile of push, blevile of push lets the product on the material station that pushes away move along the second direction and pass in the packing carton that the guide unit entered into the material station.

In the intermittent boxing machine, the guide unit comprises a feeding pipe, one end of the feeding pipe is abutted to the pushing station, the other end of the feeding pipe is sleeved with a guide head, the guide head gradually contracts along the direction close to the charging station, a first driving module is arranged on the frame and drives the guide head to move along the second direction, and the smaller end of the guide head is inserted into the packaging box on the charging station.

In the intermittent boxing machine, the material passing pipe is a square pipe, the guide head comprises four side plates, the four side plates correspond to the four side walls of the square pipe, and the four side plates are enclosed into a prismatic table shape;

an elastic sheet is arranged on the outer wall of the side plate;

and one end of each side plate, which is close to the charging station, is surrounded to form a discharging hole, and one end of each elastic sheet, which is close to the charging station, is positioned between the discharging hole and the charging station.

In the intermittent boxing machine, the two first conveying lines are arranged at intervals along the second direction, the first limit columns on the two first circulating conveying chains are in one-to-one correspondence, and the two first conveying lines run synchronously;

the second conveying lines are two and are arranged at intervals along the second direction, the second limiting columns on the second circulating conveying chains correspond to each other one by one, and the two second conveying lines run synchronously.

In the intermittent boxing machine, a third conveying line is arranged between the two second conveying lines, the conveying direction of the third conveying line is parallel to the first direction, the third conveying line comprises a third circulating conveying chain and third limiting columns which are arranged on the third circulating conveying chain at equal intervals, and the third limiting columns touch the upper end of one side of the packaging box, which is opposite to the input end of the first conveying line.

In the intermittent boxing machine, the number of the third conveying lines is two, the third conveying lines are arranged at intervals along the second direction, the third limiting columns on the two third circulating conveying chains are in one-to-one correspondence, and the two third conveying lines run synchronously.

In the intermittent boxing machine, the box opening unit comprises an upper deflection box taking device for taking out the packaging boxes in the storage rack and moving the packaging boxes to the box opening position, a lower deflection box taking device is arranged below the upper deflection box taking device, and the lower deflection box taking device is matched with the upper deflection box taking device at the box opening position to initially open the packaging boxes and move the packaging boxes to the box placing position;

the first conveying line comprises a first driven wheel and a first driving wheel which are sequentially arranged along the direction far away from the box placing position, and the first circulating conveying chain is sleeved on the first driving wheel and the first driven wheel; a connecting shaft is arranged between the first driven wheel and the first driving wheel, the axis of the connecting shaft is parallel to the second direction, the first driven wheel is connected with the connecting shaft through a first swing arm, and the first swing arm can swing up and down around the axis of the connecting shaft under the drive of a second driving module;

one side of putting the box position and keeping away from first transfer chain is equipped with locating plate and kickoff, lower deflection gets box device and removes packing carton and locating plate touching so that the packing carton is full open the box, kickoff shifts the packing carton in putting the box position and removes to on the first circulation conveying chain along the first direction.

In the intermittent boxing machine, the number of the positioning plates is two and the positioning plates are arranged at intervals along the second direction;

the stirring device comprises stirring plates positioned between the two positioning plates, and the stirring plates swing under the drive of the third driving module.

In the intermittent boxing machine, the upper deflection box taking device comprises a first connecting arm, a second connecting arm and a third connecting arm, wherein the two ends of the first connecting arm along the length direction of the first connecting arm are divided into a first end part and a second end part, the two ends of the second connecting arm along the length direction of the second connecting arm are divided into a third end part and a fourth end part, and the two ends of the third connecting arm along the length direction of the third connecting arm are divided into a fifth end part and a sixth end part;

the first end is hinged with the frame, the second end is hinged with the third end, the fourth end is hinged with the middle part of the third connecting arm, the fifth end is hinged with the frame, the second end is rotatably provided with a guide sleeve, the sixth end is rotatably provided with a mounting block, the mounting block is provided with a guide pillar matched with the guide sleeve, and the first end is higher than the fifth end; the fifth end part is connected with a fourth driving module to drive the third connecting arm to rotate;

the mounting block is provided with a first mounting rod, and the first mounting rod is provided with a first sucker assembly for adsorbing the packing boxes in the storage rack.

In the intermittent boxing machine, the lower deflection box taking device comprises a frame body and a rotary table rotatably arranged on the frame body, the rotary table is driven by a fifth driving module to rotate, a second mounting rod is eccentrically arranged on the rotary table and is rotatably connected with the rotary table, and the rotation axis of the second mounting rod is parallel to the rotation axis of the rotary table;

the first gear concentric with the turntable is fixed on the frame body, the second gear is fixed on the second mounting rod, and the first gear is connected with the second gear through a synchronous belt;

and a second sucker assembly for sucking the packaging box is arranged on the second mounting rod.

One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects:

according to the invention, as the first circulating conveying chain moves, the packing box moves below the second conveying chain, the second limiting column touches the upper end of one side of the packing box facing the input end of the first conveying chain, the packing box is clamped by the first limiting column and the second limiting column in a matched manner, the distance between the first conveying chain and the second conveying chain can be matched with the height of the packing box, so that the packing box is prevented from tilting, the packing box can be stably fixed, and the packing box is prevented from deforming;

the guide unit is arranged between the pushing station and the charging station, after the product wrapped with the lining is transported to the pushing station, the first driving module drives the guide head to move, so that the smaller end of the guide head is inserted into the packing box on the charging station, the pushing device acts to push the lining to pass through the feeding pipe and enter the guide head, and the lining can smoothly enter the packing box because the smaller end of the guide head is inserted into the packing box, and when a part of the lining enters the packing box, the first driving module can drive the guide head to move away from the packing box, so that the lining is completely embedded into the packing box, and the packing box of the product is completed;

under the condition of ensuring that the posture of the packing box on the first conveying line is stable, the guide head can be accurately inserted into the packing box at the loading station to guide, so that products with inner liners can be smoothly loaded into the packing box, and the appearance of the inner liners and the appearance of the packing box are not damaged.

Drawings

The invention is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of A of FIG. 1 in accordance with a first embodiment of the present invention;

FIG. 3 is a schematic view of a first conveyor line and a kick-out device according to a first embodiment of the present invention;

fig. 4 is a partial enlarged view of B of fig. 3 according to the first embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the upper deflecting extracting device of the first embodiment of the present invention;

FIG. 6 is a schematic view of the structure of the lower deflecting extracting device of the first embodiment of the present invention;

FIG. 7 is another schematic view of the lower deflecting extracting device of the first embodiment of the present invention;

fig. 8 is a schematic structural view of a second conveyor line and a third conveyor line according to a first embodiment of the present invention;

FIG. 9 is another schematic structural view of the second conveyor line and the third conveyor line of the first embodiment of the invention;

FIG. 10 is an exploded view of a second conveyor line and a third conveyor line of a first embodiment of the invention;

FIG. 11 is an enlarged partial view of C of FIG. 10 in accordance with the first embodiment of the present invention;

FIG. 12 is a schematic view showing the structure of the first embodiment of the present invention with the box opening unit and the hanger body removed;

fig. 13 is a partial enlarged view of D of fig. 12 according to the first embodiment of the present invention;

fig. 14 is a schematic structural view of a guide unit of the first embodiment of the present invention;

fig. 15 is another structural schematic view of the guide unit of the first embodiment of the present invention;

fig. 16 is a schematic structural view of a pushing device according to a first embodiment of the present invention.

Wherein reference numerals for the respective figures:

1. a frame;

2. a first conveyor line; 21. a first driven wheel; 22. a first drive wheel; 23. a first endless conveyor chain; 24. a first limit post; 25. a connecting shaft; 26. a first swing arm; 27. a second driving module; 28. a first plate body; 29. a transmission shaft;

3. a box opening unit; 31. an upper deflection box taking device; 311. a first link arm; 312. a second link arm; 313. a third link arm; a. a first end; b. a second end; c. a third end; d. a fourth end; e. a fifth end; f. a sixth end; 314. guide sleeve; 315. a mounting block; 316. a guide post; 317. a fourth driving module; 318. a first mounting bar; 319. a first chuck assembly; 32. a lower deflection box taking device; 321. a frame body; 322. a turntable; 323. a fifth driving module; 324. a second mounting bar; 325. a first gear; 326. a second gear; 327. a synchronous belt; 328. a second chuck assembly;

4. a storage rack;

5. a positioning plate;

6. a stirring device; 61. a poking plate; 62. a third driving module;

7. a second conveyor line; 71. a second endless conveyor chain; 72. the second limit column; 73. a second plate body; 74. a second driving wheel; 75. a second driven wheel; 76. a first rotating shaft;

8. a third conveyor line; 81. a third endless conveying chain; 82. the third limit column; 83. a third plate body; 84. a third driving wheel; 85. a third driven wheel; 86. a second rotating shaft;

9. a hanger body;

10. a product conveying line; 11. a guide unit; 111. a feeding pipe; 112. a guide head; 1121. a side plate; 1122. an elastic sheet; 113. a first driving module; 12. a pushing device; 121. a substrate; 122. a push rod; 100. a pushing station; 200. and a charging station.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the invention.

Referring to fig. 1 to 16, in one embodiment of the present invention, an intermittent boxing machine includes a frame 1, a first conveyor line 2 provided on the frame 1, a box opening unit 3, and a magazine 4 above the first conveyor line 2; the conveying direction of the first conveying line 2 is a first direction, and the direction perpendicular to the first direction and horizontal to the first direction is a second direction;

the packing box is in a cardboard state when not opening yet, and can pile up in the storage rack 4 in proper order this moment, and one side of storage rack 4 is the discharge gate.

Referring to fig. 1 and 5, the box opening unit 3 includes an upper deflecting box extracting device 31 that extracts and moves the packing boxes in the magazine 4 to the box opening position;

the upper-deflection cartridge taking device 31 includes a first arm 311, a second arm 312, and a third arm 313, the first arm 311 being divided into a first end a and a second end b along both ends in the length direction thereof, the second arm 312 being divided into a third end c and a fourth end d along both ends in the length direction thereof, the third arm 313 being divided into a fifth end e and a sixth end f along both ends in the length direction thereof;

the first end part a is hinged with the frame 1, the second end part b is hinged with the third end part c, the fourth end part d is hinged with the middle part of the third connecting arm 313, the fifth end part e is hinged with the frame 1, the second end part b is rotatably provided with a guide sleeve 314, the sixth end part f is rotatably provided with a mounting block 315, the mounting block 315 is provided with a guide pillar 316 matched with the guide sleeve 314, and the first end part a is higher than the fifth end part e; the fifth end e is connected with the fourth driving module 317 to drive the third connecting arm 313 to rotate;

the mounting block 315 is provided with a first mounting rod 318, and the first mounting rod 318 is provided with a first sucking disc component 319 for sucking the packing box in the material storage rack 4;

when the first mounting rod 318 is at the initial position, the first sucking disc assembly 319 just sucks the packing box in the storage rack 4 at the discharge hole; the fourth driving module 317 first drives the third connecting arm 313 to rotate in a counterclockwise direction to enable the third connecting arm 313 to swing downwards when viewed from a front view angle, and at this time, due to the limitation of the first connecting arm 311 and the guide sleeve 314, the guide pillar 316 rotates in a clockwise direction, so as to rotate the first mounting rod 318 to adjust the orientation of the first suction disc assembly 319, thereby facilitating the butt joint of a later-described lower deflection box taking device 32; then, the fourth driving module 317 drives the third connecting arm 313 to rotate clockwise to swing up the third connecting arm 313, and at this time, due to the limitation of the first connecting arm 311 and the guide sleeve 314, the guide post 316 rotates counterclockwise to adjust the orientation of the first sucking disc assembly 319 again, so as to suck the packing boxes in the magazine 4.

In this embodiment, the fourth driving module 317 includes a motor, and a speed reducer is disposed at an output end of the motor, and drives the third connecting arm 313 to swing reciprocally by the speed reducer.

Referring to fig. 1 to 2, 6 and 7, a lower deflecting box taking device 32 is arranged below the upper deflecting box taking device 31, and the lower deflecting box taking device 32 is matched with the upper deflecting box taking device 31 at the box opening position to initially open the packaging box and move the packaging box to the box placing position;

the lower deflection box taking device 32 comprises a frame 321 and a rotary table 322 rotatably arranged on the frame 321, the rotary table 322 is driven by a fifth driving module 323 to rotate, a second mounting rod 324 is eccentrically arranged on the rotary table 322, the second mounting rod 324 is rotatably connected with the rotary table 322, and the rotation axis of the second mounting rod 324 is parallel to the rotation axis of the rotary table 322;

a first gear 325 concentric with the turntable 322 is fixed on the frame 321, a second gear 326 is fixed on the second mounting rod 324, and the first gear 325 is connected with the second gear 326 through a synchronous belt 327;

the second mounting rod 324 is provided with a second sucking disc component 328 for sucking the packing box;

the fifth driving module 323 drives the turntable 322 to rotate, and when the second gear 326 rotates along with the turntable 322, the second gear 326 also rotates due to the limitation of the first gear 325 and the synchronous belt 327 and is opposite to the rotating direction of the turntable 322; looking at the front view angle, the turntable 322 will rotate anticlockwise, the second mounting rod 324 follows the movement of the turntable 322, the second gear 326 rotates clockwise to rotate the second mounting rod 324 and adjust the orientation of the second sucking disc component 328, along with the rotation of the turntable 322, the second sucking disc component 328 can absorb the packing box at the box opening position, the packing box is initially opened by virtue of the cooperation of the first sucking disc component 319 and the second sucking disc component 328, the packing box is not in a cardboard state at this moment, but in a slightly opened state, and then the turntable 322 continues to rotate to bring the packing box to the box placing position.

In this embodiment, the fifth driving module 323 is also a motor accelerator and decelerator to drive the turntable 322 to rotate.

In this embodiment, first chuck assembly 319 and second chuck assembly 328 each include at least two chucks, and first mounting bar 318 and second mounting bar 324 are hollow bars that can communicate with an external negative pressure device to allow the chucks to generate negative pressure.

Referring to fig. 1 to 4, the first conveyor line 2 includes a first driven wheel 21 and a first driving wheel 22 sequentially arranged in a direction away from the box placing position, a first endless conveyor chain 23 sleeved on the first driving wheel 22 and the first driven wheel 21, and first stopper posts 24 equally spaced on the first endless conveyor chain 23;

a connecting shaft 25 is arranged between the first driven wheel 21 and the first driving wheel 22, the axis of the connecting shaft 25 is parallel to the second direction, the first driven wheel 21 is connected with the connecting shaft 25 through a first swing arm 26, the first swing arm 26 can swing up and down around the axis of the connecting shaft 25 under the drive of a second driving module 27, and the first driven wheel 21 is arranged on the first swing arm 26, so that when the first swing arm 26 swings up and down, the height of the first driven wheel 21 can be changed, and the height of the input end of the first conveying line 2 is changed;

one side of the box placing position far away from the first conveying line 2 is provided with a positioning plate 5 and a material stirring device 6;

the packing box is driven by the lower deflection box taking device 32 to move to a box placing position, although the rotary disc 322 rotates anticlockwise, the second mounting rod 324 rotates clockwise, so in the box placing position, the second sucking disc component 328 drives the packing box to rotate clockwise, the packing box touches the locating plate 5, after the packing box touches the locating plate 5, the box is completely opened, at the moment, the first swing arm 26 swings downwards, the first driven wheel 21 lowers the height, meanwhile, the material stirring device 6 acts to push the packing box in the box placing position out, the packing box moves onto the first circulating conveying chain 23, the first swing arm 26 swings upwards again, the first driven wheel 21 rises to promote the packing box on the first circulating conveying chain 23 to move along the first direction until the packing box touches the first limit post 24; in this structure, the packing box is not embedded into the first circulating conveying chain 23 from top to bottom, and the packing box cannot be scratched with the first limiting column 24, so that the appearance of the packing box is not affected.

In the present embodiment, the positioning plates 5 are two and arranged at intervals along the second direction; the stirring device 6 comprises a stirring plate 61 positioned between the two positioning plates 5, and the stirring plate 61 swings under the drive of a third driving module 62;

the third driving module 62 includes a first rotating shaft, a second rotating shaft and a motor, the shifting plate 61 is disposed on the first rotating shaft, an output end of the motor is connected with the second rotating shaft to drive the second rotating shaft to rotate, and the first rotating shaft and the second rotating shaft are connected through a link mechanism, so that the rotation of the second rotating shaft drives the first rotating shaft to rotate, so that the shifting plate 61 swings.

In this embodiment, the first conveying lines 2 are two and are arranged at intervals along the second direction, and the first limiting columns 24 on the two first circulating conveying chains 23 are in one-to-one correspondence;

the first conveying line 2 further comprises a first plate 28, at least two support posts are arranged on the frame 1 at intervals along a first direction, the support posts penetrate through the two first plate 28 to erect the first plate 28, one end of the first plate 28, which is far away from the box placing position, is provided with a transmission shaft 29, the transmission shaft 29 is in transmission connection with the two first driving wheels 22, a motor for driving the transmission shaft 29 is arranged on the frame 1, and the motor drives the transmission shaft 29 to rotate through a synchronous belt transmission assembly or a chain transmission assembly, so that the two first driving wheels 22 synchronously rotate;

the first plate 28 is close to the one end of putting the box position and just has arranged connecting axle 25, and second drive module 27 includes motor and drive shaft, and the one end of first swing arm 26 is fixed on connecting axle 25, and first driven wheel 21 then rotates the other end that sets up at first swing arm 26, is connected through link mechanism between connecting axle 25 and the drive shaft, and the motor drives the drive shaft and rotates, and then drives connecting axle 25 and rotate to let first swing arm 26 can swing.

Referring to fig. 1 and 8 to 11, a second conveyor line 7 is disposed above the first conveyor line 2, a conveying direction of the second conveyor line 7 is parallel to the first direction, and the second conveyor line 7 includes a second endless conveyor chain 71 and second stopper posts 72 arranged on the second endless conveyor chain 71 at equal intervals; the second conveying lines 7 are two and are arranged at intervals along the second direction, and the second limiting columns 72 on the two second circulating conveying chains 71 are in one-to-one correspondence;

a third conveying line 8 is arranged between the two second conveying lines 7, the conveying direction of the third conveying line 8 is parallel to the first direction, the third conveying line 8 comprises a third circulating conveying chain 81 and third limiting columns 82 which are arranged on the third circulating conveying chain 81 at equal intervals, the number of the third conveying lines 8 is two, the third limiting columns 82 are arranged at intervals along the second direction, and the third limiting columns 82 on the two third circulating conveying chains 81 are in one-to-one correspondence;

the frame 1 is provided with a hanging frame body 9, and the hanging frame body 9 is provided with a second plate body 73 and a third plate body 83 which are respectively in one-to-one correspondence with the second conveying line 7 and the third conveying line 8;

the second conveying line 7 comprises a second driving wheel 74 and a second driven wheel 75, the second driving wheel 74 and the second driven wheel 75 are respectively arranged at two ends of the second plate 73 along the length direction, and the second circulating conveying chain 71 is connected with the second driving wheel 74 and the second driven wheel 75;

the third conveying line 8 comprises a third driving wheel 84 and a third driven wheel 85, the third driving wheel 84 and the third driven wheel 85 are respectively arranged at two ends of the third plate 83 along the length direction, and the third circulating conveying chain 81 is connected with the third driving wheel 84 and the third driven wheel 85;

the suspension bracket body 9 is provided with a first rotating shaft 76 and a second rotating shaft 86, the second driving wheel 74 is sleeved on the first rotating shaft 76, the third driving wheel 84 is sleeved on the second rotating shaft 86, generally, the first rotating shaft 76 and the second rotating shaft 86 are connected together through a synchronous belt transmission assembly, and a motor drives one of the synchronous wheels to rotate, so that the first rotating shaft 76 and the second rotating shaft 86 can synchronously rotate.

Referring to fig. 2, in the present embodiment, the input end of the second conveying line 7 is located in front of the input end of the first conveying line 2 in the first direction, the input end of the third conveying line 8 is located in front of the input end of the second conveying line 7, the distance between the input end of the first conveying line 2 and the input end of the second conveying line 7 is larger than the distance between two adjacent first limiting posts 24, and the distance between two adjacent first limiting posts 24 is larger than the length of the package box in the first direction;

the input ends of the first conveying line 2 and the second conveying line 7 are staggered, so that a box placing space is formed between the input ends of the first conveying line 2 and the input ends of the second conveying line 7, the distance between two adjacent first limiting columns 24 is larger, a packing box can be easily placed between the two first limiting columns 24 in the box placing space, and the first limiting columns 24 touch the lower end of one side of the packing box, which is opposite to the input ends of the first conveying line 2; along with the movement of the first circulating conveying chain 23, the packing box can move to the lower side of the second conveying line 7, the second limiting column 72 touches the upper end of one side of the packing box facing the input end of the first conveying line 2, the third limiting column 82 touches the upper end of one side of the packing box facing away from the input end of the first conveying line 2, the packing box is clamped by the first limiting column 24, the second limiting column 72 and the third limiting column 82 in a matched mode, and the distance between the first conveying line 2 and the second conveying line 7 can be matched with the height of the packing box, so that the packing box is prevented from tilting; therefore, the packing box can be stably fixed, and the deformation of the packing box is prevented.

Referring to fig. 12 to 16, in this embodiment, the apparatus further includes a product conveying line 10 spaced from the first conveying line 2 along the second direction, a pushing station 100 is disposed on the product conveying line 10, a charging station 200 corresponding to the pushing station 100 is disposed on the first conveying line 2, a guiding unit 11 is disposed between the pushing station 100 and the charging station 200, and a pushing device 12 is disposed on a side of the pushing station 100 facing away from the charging station 200;

the guide unit 11 comprises a material passing pipe 111, one end of the material passing pipe 111 is connected with the material pushing station 100 in a butt joint mode, the other end of the material passing pipe 111 is sleeved with a guide head 112, the guide head 112 gradually contracts in the direction close to the material charging station 200, a first driving module 113 is arranged on the frame 1, and the first driving module 113 drives the guide head 112 to move in the second direction;

after the product wrapped with the liner is transported to the pushing station 100, the first driving module 113 drives the guide head 112 to move, so that the smaller end of the guide head 112 is inserted into the packing box on the loading station 200, the pushing device 12 acts to push the liner, the liner passes through the material passing pipe 111 and enters the guide head 112, the liner can smoothly enter the packing box because the smaller end of the guide head 112 is inserted into the packing box, and when a part of the liner enters the packing box, the first driving module 113 can drive the guide head 112 to move away from the packing box, so that the liner is completely embedded into the packing box, and the packing box of the product is completed; the first conveying line 2, the second conveying line 7 and the third conveying line 8 all operate intermittently, so that the packing boxes on the first conveying line 2 only move one station at a time, and the guide unit 11 and the pushing device 12 also operate reciprocally and are matched with the rhythm of the first conveying line 2;

under the condition of ensuring that the posture of the packing box on the first conveying line 2 is stable, the guide head 112 can be accurately inserted into the packing box of the loading station 200 to guide, so that products with inner liners can be smoothly loaded into the packing box, and the appearances of the inner liners and the packing box are not damaged.

In this embodiment, the packing box is cuboid, so the corresponding liner is also cuboid, and compared with the packing box, the liner has smaller volume;

the material passing pipe 111 is designed as a square pipe, the guide head 112 comprises four side plates 1121, the four side plates 1121 correspond to the four side walls of the square pipe, and the four side plates 1121 are enclosed into a prismatic table shape; an elastic piece 1122 is arranged on the outer wall of the side plate 1121;

one end of the four side plates 1121, which is close to the charging station 200, encloses a discharge hole, and one end of the elastic sheet 1122, which is close to the charging station 200, is positioned between the discharge hole and the charging station 200;

therefore, the ends of the four elastic sheets 1122 near the loading station 200 form smaller ends, when the guide head 112 moves, the elastic sheets 1122 are inserted into the packing box, the lining passes through the feeding pipe 111 and then enters into the space surrounded by the four side plates 1121, the lining passes over the discharge hole along with the continuous forward movement of the lining, the four elastic sheets 1122 touch the elastic sheets 1122, the four elastic sheets 1122 are opened to slightly enlarge the entrance of the packing box, and the lining can smoothly enter into the packing box.

In the embodiment, a mounting plate is arranged on the frame 1, and the material passing pipe 111 is fixed on the mounting plate;

the guide head 112 is fixed on a moving block which is in sliding fit with the mounting plate; specifically, a guide post 316 extending along the pushing direction is arranged on the mounting plate, and a guide sleeve 314 matched with the guide post 316 is arranged on the moving block, so that the moving block can slide along the guide post 316;

the first driving module 113 comprises a screw rod penetrating through the mounting plate and a motor for driving the screw rod to rotate, a nut matched with the screw rod is arranged on the moving block, and the axial direction of the screw rod is parallel to the pushing direction, so that the motor drives the screw rod to rotate, the nut can be moved along the screw rod, and the guide head 112 is driven to move.

In this embodiment, the pushing device 12 includes a base plate 121 fixed on the frame 1 and a push rod 122 slidably fitted on the base plate 121, and a motor is disposed on the base plate 121 and is in transmission connection with the push rod 122 through a synchronous belt transmission assembly.

In this embodiment, the two sides of the first conveying line 2 are respectively provided with a tongue inserting and folding device and a box cover folding device, so that the tongue inserting of the packing box on the first conveying line 2 can be folded, and the box cover of the packing box on the first conveying line 2 is covered, so that the sealing of the packing box is completed.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The intermittent boxing machine comprises a rack, a first conveying line, a box opening unit and a material storage rack, wherein the first conveying line is arranged on the rack, the material storage rack is positioned above the first conveying line, the box opening unit takes out a packing box in the material storage rack, completes box opening and then moves to the input end of the first conveying line, the conveying direction of the first conveying line is a first direction, and the direction vertical and horizontal to the first direction is a second direction; the device is characterized in that a second conveying line is arranged above the first conveying line, the conveying direction of the second conveying line is parallel to the first direction, the first conveying line comprises a first circulating conveying chain and first limiting columns which are arranged on the first circulating conveying chain at equal intervals, and the second conveying line comprises a second circulating conveying chain and second limiting columns which are arranged on the second circulating conveying chain at equal intervals;

along the first direction, the input end of the second conveying line is positioned in front of the input end of the first conveying line, the distance between the input end of the first conveying line and the input end of the second conveying line is larger than the distance between two adjacent first limit posts, and the distance between two adjacent first limit posts is larger than the length of the packing box in the first direction; the first limit column touches the lower end of one side of the packing box, which is opposite to the input end of the first conveying line, and the second limit column touches the upper end of one side of the packing box, which is opposite to the input end of the first conveying line;

still include along second direction and first transfer chain interval arrangement's product transfer chain, be equipped with the material station that pushes away on the first transfer chain and correspond with the material station that pushes away, be equipped with the guide unit between material station and the material station that pushes away, one side that the material station was dorsad to the material station that pushes away is equipped with blevile of push, blevile of push lets the product on the material station that pushes away move along the second direction and pass in the packing carton that the guide unit entered into the material station.

2. The intermittent boxing machine according to claim 1, wherein the guide unit comprises a feeding pipe, one end of the feeding pipe is abutted to the pushing station, the other end of the feeding pipe is sleeved with a guide head, the guide head gradually contracts in a direction close to the charging station, a first driving module is arranged on the frame and drives the guide head to move in a second direction, and the smaller end of the guide head is inserted into a packing box on the charging station.

3. The intermittent boxing machine according to claim 2, wherein the material passing pipe is a square pipe, the guide head comprises four side plates, the four side plates correspond to four side walls of the square pipe, and the four side plates are enclosed into a prismatic table shape;

an elastic sheet is arranged on the outer wall of the side plate;

and one end of each side plate, which is close to the charging station, is surrounded to form a discharging hole, and one end of each elastic sheet, which is close to the charging station, is positioned between the discharging hole and the charging station.

4. The intermittent boxing machine according to claim 1, wherein the first conveying lines are two and are arranged at intervals along the second direction, the first limit posts on the two first circulating conveying chains are in one-to-one correspondence, and the two first conveying lines run synchronously;

the second conveying lines are two and are arranged at intervals along the second direction, the second limiting columns on the second circulating conveying chains correspond to each other one by one, and the two second conveying lines run synchronously.

5. The intermittent boxing machine according to claim 4, wherein a third conveying line is arranged between the two second conveying lines, the conveying direction of the third conveying line is parallel to the first direction, the third conveying line comprises a third circulating conveying chain and third limiting columns which are arranged on the third circulating conveying chain at equal intervals, and the third limiting columns touch the upper end of one side of the packaging box, which is opposite to the input end of the first conveying line.

6. The intermittent boxing machine according to claim 5, wherein the third conveying lines are two and are arranged at intervals along the second direction, third limit posts on the two third circulating conveying chains are in one-to-one correspondence, and the two third conveying lines run synchronously.

7. The intermittent boxing machine according to claim 1, wherein the box opening unit comprises an upper deflection box taking device for taking out the boxes in the storage rack and moving the boxes to the box opening position, a lower deflection box taking device is arranged below the upper deflection box taking device, and the lower deflection box taking device is matched with the upper deflection box taking device at the box opening position to initially open the boxes and move the boxes to the box placing position;

the first conveying line comprises a first driven wheel and a first driving wheel which are sequentially arranged along the direction far away from the box placing position, and the first circulating conveying chain is sleeved on the first driving wheel and the first driven wheel; a connecting shaft is arranged between the first driven wheel and the first driving wheel, the axis of the connecting shaft is parallel to the second direction, the first driven wheel is connected with the connecting shaft through a first swing arm, and the first swing arm can swing up and down around the axis of the connecting shaft under the drive of a second driving module;

one side of putting the box position and keeping away from first transfer chain is equipped with locating plate and kickoff, lower deflection gets box device and removes packing carton and locating plate touching so that the packing carton is full open the box, kickoff shifts the packing carton in putting the box position and removes to on the first circulation conveying chain along the first direction.

8. The intermittent cartoning machine of claim 7, wherein the locating plates are two and spaced apart along the second direction;

the stirring device comprises stirring plates positioned between the two positioning plates, and the stirring plates swing under the drive of the third driving module.

9. The intermittent boxing machine according to claim 7, wherein the upper deflecting box-taking device comprises a first connecting arm, a second connecting arm and a third connecting arm, wherein the first connecting arm is divided into a first end part and a second end part along two ends of the first connecting arm in the length direction, the second connecting arm is divided into a third end part and a fourth end part along two ends of the second connecting arm in the length direction, and the third connecting arm is divided into a fifth end part and a sixth end part along two ends of the third connecting arm in the length direction;

the first end is hinged with the frame, the second end is hinged with the third end, the fourth end is hinged with the middle part of the third connecting arm, the fifth end is hinged with the frame, the second end is rotatably provided with a guide sleeve, the sixth end is rotatably provided with a mounting block, the mounting block is provided with a guide pillar matched with the guide sleeve, and the first end is higher than the fifth end; the fifth end part is connected with a fourth driving module to drive the third connecting arm to rotate;

the mounting block is provided with a first mounting rod, and the first mounting rod is provided with a first sucker assembly for adsorbing the packing boxes in the storage rack.

10. The intermittent boxing machine according to claim 7, wherein the lower deflection box taking device comprises a frame body and a rotary table rotatably arranged on the frame body, the rotary table is driven by a fifth driving module to rotate, a second mounting rod is eccentrically arranged on the rotary table and is rotatably connected with the rotary table, and the rotation axis of the second mounting rod is parallel to the rotation axis of the rotary table;

the first gear concentric with the turntable is fixed on the frame body, the second gear is fixed on the second mounting rod, and the first gear is connected with the second gear through a synchronous belt;

and a second sucker assembly for sucking the packaging box is arranged on the second mounting rod.