A high-speed box-splitting machine

Abstract

The invention discloses a high-speed box-splitting machine in the box-splitting field, comprising a conveyor belt, a mounting frame, a lifting platform and a box-splitting part; the characteristics are: the conveyor belt is arranged on an external frame; there are four box-splitting parts, and they are all slidably arranged on the mounting frame; the mounting frame is fixedly arranged on the external frame through the lifting platform; the two sides of the mounting frame where the box-splitting part is not arranged can be telescopic to cooperate with the box-splitting part slidably arranged on the mounting frame to achieve adjustment and adapt to box bodies of more sizes; the invention solves the technical problem that traditional devices cannot reliably, continuously and stably separate plastic box bodies.

Description

Technical Field

[0001] The invention relates to the field of carton separation, in particular to a high-speed carton separation machine. Background Art

[0002] With the rapid development of the economy, plastic boxes are becoming more and more widely used in daily life due to their cheapness and convenience; plastic boxes are also becoming more and more widely used in industrial packaging.

[0003] However, on traditional packaging lines, plastics are soft, easily deformed, and have complex surface printing, so it is not easy to continuously and reliably separate them from stacked shapes into single shapes on the packaging line. This cannot meet the factory's demand for fast packaging.

[0004] Based on this, the present invention provides a high-speed box separating machine to solve the above technical problems. Summary of the invention

[0005] The object of the present invention is to provide a high-speed box sorting machine, comprising a conveyor belt, a mounting frame, a lifting platform and a box sorting part; the characteristics are: the conveyor belt is arranged on an external frame; there are four box sorting parts, and they are all slidably arranged on the mounting frame; the mounting frame is fixedly arranged on the external frame through the lifting platform;

[0006] The box-dividing part comprises a slide seat; the slide seat is slidably arranged on the mounting frame and can be fastened to the mounting frame by a tightening swivel seat; a synchronous motor and a mounting arm are fixedly arranged on the slide seat; a clamping rod for clamping the side of the box body is fixedly arranged on the mounting arm; a box-dividing shaft is fixedly arranged on the output shaft of the synchronous motor; a spiral separation groove is opened on the box-dividing shaft; a separation plug is fixedly arranged on the box-dividing shaft corresponding to the upper side opening of the spiral separation groove; the height difference between the upper side of the separation plug and the upper end face of the box-dividing shaft is less than the box edge distance between two adjacent box bodies in a stacked state, and the height difference between the upper side of the separation plug and the upper end face of the box-dividing shaft is greater than the thickness of the box edge;

[0007] The four sub-box parts are arranged on both sides of the mounting frame; and in the installed state, the four clamping rods correspond to the four sides of the box body; and when the box body is installed, the corners of the box edge of the lowermost box body are respectively located on the upper end surfaces of the four sub-box axes;

[0008] The two sides of the mounting frame where the sub-box parts are not provided can be extended and retracted (not shown in the figure, but it is a very mature existing means and will not be described in detail here) to cooperate with the sub-box parts slidably arranged on the mounting frame to achieve adjustment and adapt to box bodies of more sizes.

[0009] like Figure 1-7 As shown: Working principle: First, adjust the position of the four sub-box parts through the slide according to the size of the box body, and put the stacked box bodies (such as Fig. 9As shown in the figure, the box body is placed between the four clamping rods; the clamping rods and the upper end of the box separation shaft can clamp the box body; four synchronous motors are started at the same time; when the synchronous motor rotates, the box separation shaft rotates, and the box edge corner of the box body slides relatively along the upper end surface of the box separation shaft; when the upper end opening of the spiral separation groove of the box separation shaft contacts the box edge; the relative sliding of the box body and the box separation shaft will cause the separation insert to be inserted between the two bottom box edges, and guide the bottom box body to move downward along the spiral separation groove; thereby achieving the purpose of squeezing out the bottom boxes one by one; it should be noted that the box body only moves in the vertical direction, and its downward movement process is forced to drive by the downward component force when the spiral separation groove rotates. When the box body completely passes through the spiral separation groove, it will be transported away by the conveyor belt below it, thereby achieving the purpose of separation.

[0010] The present invention utilizes the height difference between the separation insert and the box separation axis in a spiral extrusion manner to achieve the purpose of separating the stacked box bodies one by one; when the box bodies are separated by this method, they are not limited by the printing on the box bodies (the printing is an undulating printing, which is used to increase the friction force for easy sealing), and the method is simple (only one-way rotation of the synchronous motor is required to complete the separation), one box body can be separated for each rotation of the synchronous motor, the continuity is good, the separation efficiency is high, and the equipment is easy to maintain.

[0011] Although the above-mentioned method has high continuity, it is well known that the plastic box body itself is relatively soft; and the adsorption force between the stacked boxes is not uniform. When a batch of boxes have smooth surfaces and strong adsorption force, the above-mentioned method may cause individual boxes with extremely strong adsorption force to be difficult to separate; under the guidance of the separation plug and the rotating spiral separation groove, the box edge of the box body is likely to flip downward to "escape" from the guidance of the separation plug. In order to solve this technical problem:

[0012] As a further solution of the present invention: a clamping part is also arranged in the spiral separation groove; the clamping part includes a flip clamping part and a clamping block; the clamping block is located at the starting position of the spiral separation groove; the clamping block is parallel to the spiral line of the spiral separation groove, and the cross-section of the clamping block is in a horizontally inclined direction; there is at least a flip clamping part in the spiral separation groove that is equal in length to the clamping block; the incision of the flip clamping part is equal in angle and in direction to the incision of the clamping block; both are higher on the side close to the axis of the separation box shaft and lower on the side away from the axis of the separation box shaft.

[0013] like Figure 8 As shown in the figure: when the separation insert is inserted between the two lower box edges, the flip clamping part of the spiral separation groove guides the box edge downward while cooperating with the clamping block to guide the outer side of the box edge to be folded into a certain angle (i.e. Figure 8 a in the figure); when the box edge is folded down to a certain angle, as the box splitting axis rotates further, the position b on the clamping part is flipped (such as Figure 8 ) will guide the box edge downward, and the force characteristics of the guide will be much stronger than the flat surface guide (such as Figure 8 As shown in the spiral separation groove on the lower left side). This greatly improves the difficulty of the box edge flipping and "escaping", and improves the separation reliability of the spiral separation groove.

[0014] By arranging the flip clamping part and the clamping block in the spiral separation groove, the efficiency of box separation can be greatly improved, and the method is simple, the maintenance cost is low, and the manufacturing cost is low.

[0015] As a further solution of the present invention: the angle between the clamping block cutout and the horizontal plane is 0°-45° ( Figure 8 Theoretically, the larger the value of a is, the stronger the anti-escape ability of the spiral separation groove is; however, when the value of a is too large, it is easy to cause irreversible deformation at the connection between the box edge and the box body.

[0016] In fact, it is troublesome to adjust the angle of a after it is determined; and the larger the angle of a is, the higher the defective rate of the box will be; therefore, simply increasing the angle of a to improve the separation efficiency is not the best way. In order to solve this technical problem:

[0017] As a further solution of the present invention: a loosening structure is also provided on the clamping rod; the loosening structure includes a connecting oblique rod connecting the upper and lower parts of the clamping rod; the oblique direction of the connecting oblique rod is toward the outside of the box body; a vibration spring is sleeved on the connecting oblique rod; a sliding plate is fixedly provided on the upper end surface of the vibration spring; the sliding plate is slidably provided on the connecting oblique rod; two symmetrically distributed loosening arms are fixedly provided above the sliding plate; a side of the loosening arm close to the box body is coplanar with the line where the clamping rod contacts the box body; a connecting frame is also provided on the sliding plate; a guide plate is fixedly provided on the separation box shaft, and the position of the guide plate corresponds to the position of the separation plug; when the separation box shaft rotates, the sliding plate can be intermittently driven to move downward through the guide plate.

[0018] like Figure 1-7As shown: when the separation plug separates the two boxes at the bottom, at the same time, the guide plate will also press the connecting frame downward, so that the slide moves obliquely downward along the connecting oblique rod; when the connecting frame passes over the guide plate, it is reset under the action of the vibration spring, and the side of the stacked boxes is slapped upward by the loosening arm, so that there is a tendency for the boxes to loosen; when a box moves from the top layer to the bottom layer, it will be slapped many times in this way, thereby greatly reducing the tightness between the two adjacent boxes, making it easier to separate the boxes and reducing the actual angle requirement of a; thereby reducing the residual products of the boxes while ensuring the efficiency of separating the boxes. In addition, since the loosening mechanism has no power of its own, it mainly borrows the elastic force of the vibration spring and the power of the box separation shaft, so it can ensure close cooperation with the working process of the box separation shaft. In addition, since the slapping frequency of the loosening arm is very high, it can avoid the problem of the box body being stuck between the four clamping rods when adding a new box body, greatly improving the efficiency and stability of adding the box body.

[0019] As a further solution of the present invention: the loosening arms are evenly and evenly provided with loosening teeth at equal distances. The loosening teeth can improve the efficiency of loosening.

[0020] As a further solution of the present invention: the inclined surface of the loosening tooth faces upward; when the inclined surface is in the same direction as the movement direction, the damage of the loosening tooth to the box edge can be reduced to a great extent, and the loosening efficiency can be improved.

[0021] As a further solution of the present invention: a positioning groove is provided on the upper end surface of the loosening arm; two plugs are provided on the upper end of each mounting arm through a gas spring, and when the loosening arm moves upward, the plug can be inserted into the positioning groove, and the mounting arm vibrates slightly under the action of the gas spring. As shown in the figure, the loosening arm is relatively long; it is easy to deform after long-term work; but when it can cooperate with the plug during each ascent, a part of it can be corrected; the other part, under the action of the gas spring, the loosening arm can also vibrate horizontally to a certain extent; thereby cooperating with the loosening teeth to improve the loosening efficiency between the stacked box bodies.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention utilizes the height difference between the separation insert and the box separation axis in a spiral extrusion manner to separate the stacked box bodies one by one. When separating the box bodies by this method, the box bodies will not be limited by the printing on the box bodies (the printing is an undulating printing, which is used to increase the friction force for sealing), and the method is simple (only one-way rotation of the synchronous motor is required to complete the separation). The synchronous motor can separate one box body for each rotation, and the continuity is good, the separation efficiency is high, and the equipment is easy to maintain.

[0024] 2. By arranging a flip clamping part and a clamping block in the spiral separation groove, the efficiency of box separation can be greatly improved, and the method is simple, the maintenance cost is low, and the manufacturing cost is low.

[0025] 3. The guide plate will also squeeze the connecting frame downward, so that the slide moves obliquely downward along the connecting oblique rod; when the connecting frame passes over the guide plate, it will reset under the action of the vibration spring, and the side of the stacked box body will be slapped upward obliquely through the loosening arm, so that there is a tendency for the boxes to loosen; when a box body moves from the top layer to the bottom layer, it will be slapped many times in this way, thereby greatly reducing the tightness between the two adjacent boxes, making it easier to separate the boxes and reducing the actual angle requirement of a; thereby reducing the residual products of the boxes while ensuring the efficiency of separating the boxes. In addition, since the loosening mechanism has no power of its own, it mainly borrows the elastic force of the vibration spring and the power of the box separation shaft, so it can ensure close cooperation with the working process of the box separation shaft. In addition, since the slapping frequency of the loosening arm is very high, it can avoid the problem of the box body being stuck between the four clamping rods when adding a new box body, greatly improving the efficiency and stability of adding the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0027] Figure 1 This is a schematic diagram of the overall structure of the present invention from a front perspective;

[0028] Figure 2 For the present invention Figure 1 A partial enlarged structural diagram of part A;

[0029] Figure 3 For the present invention Figure 1 The schematic diagram of the partial enlarged structure of part B in the middle;

[0030] Figure 4 This is a schematic diagram of the overall structure of the present invention from a top view;

[0031] Figure 5 It is a schematic diagram of the overall structure of a single sub-box portion of the present invention from a front viewing angle;

[0032] Figure 6 It is a schematic diagram of the overall structure of a single sub-box portion of the present invention from a rear viewing angle;

[0033] Figure 7 It is a schematic diagram of the overall structure of a single sub-box portion of the synchronous motor of the present invention from a rear perspective after being hidden;

[0034] Figure 8 It is a schematic diagram of the principle of the clamping block and the flip clamping part of the present invention;

[0035] Fig. 9 It is a schematic diagram of the box structure of the present invention.

[0036] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0037] Conveyor belt, 2-mounting frame, 3-lifting platform, 4-slide seat, 5-mounting arm, 6-clamping rod, 6-1-connecting oblique rod, 7-synchronous motor, 8-tightening rotary seat, 9-box separation shaft, 9-1-spiral separation groove, 9-1-1-flip clamping part, 10-connecting frame, 11-loosening arm, 11-1-positioning groove, 11-2-loosening tooth, 12-guide plate, 13-separation plug, 14-clamping block, 15-plug, 15-1-gas spring, 16-vibration spring, 17-slide, 18-box body, 18-1-box edge; a-angle between the clamping block cutout and the horizontal plane. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] See also Figure 1-9 The present invention provides a technical solution: a high-speed box-splitting machine, comprising a conveyor belt 1, a mounting frame 2, a lifting platform 3 and a box-splitting part; the characteristics are: the conveyor belt 1 is arranged on an external frame; there are four box-splitting parts, and they are all slidably arranged on the mounting frame 2; the mounting frame 2 is fixedly arranged on the external frame through the lifting platform 3;

[0040] The box-dividing part comprises a slide 4; the slide 4 is slidably arranged on the mounting frame 2 and can be fastened to the mounting frame 2 by a tightening rotary seat 8; a synchronous motor 7 and a mounting arm 5 are fixedly arranged on the slide 4; a clamping rod 6 for clamping the side of the box body 18 is fixedly arranged on the mounting arm 5; a box-dividing shaft 9 is fixedly arranged on the output shaft of the synchronous motor 7; a spiral separation groove 9-1 is opened on the box-dividing shaft 9; a separation insert 13 is fixedly arranged on the box-dividing shaft 9 corresponding to the upper side opening of the spiral separation groove 9-1; the height difference between the upper side of the separation insert 13 and the upper end face of the box-dividing shaft 9 is less than the distance between the box edges 18-1 of two adjacent box bodies 18 in the stacked state, and the height difference between the upper side of the separation insert 13 and the upper end face of the box-dividing shaft 9 is greater than the thickness of the box edge 18-1;

[0041] The four sub-box parts are arranged on both sides of the mounting frame 2; and in the installed state, the four clamping rods 6 correspond to the four sides of the box body 18; and when the box body 18 is installed, the corners of the box edge 18-1 of the lowermost box body 18 are respectively located on the upper end surfaces of the four sub-box shafts 9;

[0042] The two sides of the mounting frame 2 where the sub-box parts are not provided can be extended and retracted (not shown in the figure, but it is a very mature existing method and will not be described here) to cooperate with the sub-box parts slidably provided on the mounting frame 2 to achieve adjustment and adapt to box bodies 18 of more sizes.

[0043] like Figure 1-7 As shown: Working principle; first adjust the position of the four sub-box parts according to the size of the box body 18 through the slide 4, and stack the box body 18 (such as Fig. 9 As shown in the figure, the box body 18 is placed between the four clamping rods 6; the clamping rods 6 and the upper end of the box separation shaft 9 can clamp the box body 18; the four synchronous motors 7 are started at the same time; when the synchronous motor 7 rotates, the box separation shaft 9 rotates, and the box edge 18-1 corner of the box body 18 slides relatively along the upper end surface of the box separation shaft 9; when the upper end opening of the spiral separation groove 9-1 of the box separation shaft 9 contacts the box edge 18-1; the relative sliding of the box body 18 and the box separation shaft 9 will prompt the separation insert 13 to be inserted between the two lower box edges 18-1, and guide the lowermost box body 18 to move downward along the spiral separation groove 9-1; thereby achieving the purpose of squeezing out the lowermost box body 18 one by one; it should be noted that the box body 18 only moves in the vertical direction, and its downward movement process is forced to drive by the downward component force when the spiral separation groove 9-1 rotates. When the box body 18 completely passes through the spiral separation groove 9-1, it will be transported away by the conveyor belt 1 below it, thereby achieving the purpose of separation.

[0044] The present invention utilizes the spiral extrusion method and the height difference between the separation insert 13 and the box separation shaft 9 to achieve the purpose of separating the stacked box bodies 18 one by one. When the box body 18 is separated by this method, it will not be limited by the printing on the box body 18 (the printing is an undulating printing, which is used to increase the friction force for sealing), and the method is simple (only the unidirectional rotation of the synchronous motor 7 is required to complete the separation). The synchronous motor 7 can separate one box body 18 for each rotation, and the continuity is good, the separation efficiency is high, and the equipment is easy to maintain.

[0045] Although the above-mentioned method has high continuity, it is well known that the plastic box body 18 itself is relatively soft; and the adsorption force between the stacked box bodies 18 is not uniform. When a batch of box bodies 18 have smooth surfaces and strong adsorption force, the above-mentioned method may cause individual box bodies 18 with extremely strong adsorption force to be difficult to separate; under the guidance of the separation plug 13 and the rotating spiral separation groove 9-1, the box edge 18-1 of the box body 18 is likely to flip downward to "escape" from the guidance of the separation plug 13. In order to solve this technical problem:

[0046] As a further solution of the present invention: a clamping portion is also provided in the spiral separation groove 9-1; the clamping portion includes a flip clamping portion 9-1-1 and a clamping block 14; the clamping block 14 is located at the starting position of the spiral separation groove 9-1; the clamping block 14 is parallel to the spiral line of the spiral separation groove 9-1, and the cross-section of the clamping block 14 is in a horizontally inclined direction; there is at least a flip clamping portion 9-1-1 in the spiral separation groove 9-1 that is equal in length to the clamping block 14; the incision of the flip clamping portion 9-1-1 is equal in angle and direction to the incision of the clamping block 14; both are higher on the side close to the axis of the separation box shaft 9 and lower on the side away from the axis of the separation box shaft 9.

[0047] like Figure 8 As shown in the figure: when the separation insert 13 is inserted between the two lowermost box edges 18-1, the flip clamping portion 9-1-1 of the spiral separation groove 9-1 guides the box edge 18-1 downward while cooperating with the clamping block 14 to guide the outer side of the box edge 18-1 to be folded to a certain angle (i.e. Figure 8 When the box edge 18-1 is folded down to a certain angle, with the further rotation of the box shaft 9, the b position on the flip clamping portion 9-1-1 (such as Figure 8 ) will guide the box edge 18-1 downward, and the force characteristics of the guidance will be much stronger than the flat surface guidance (such as Figure 8 The spiral separation groove 9-1 at the lower left side is shown). This greatly improves the difficulty of the box edge 18-1 flipping and "escaping", and improves the separation reliability of the spiral separation groove 9-1.

[0048] By providing the flip clamping portion 9-1-1 and the clamping block 14 in the spiral separation groove 9-1, the efficiency of box separation can be greatly improved, and the method is simple, the maintenance cost is low, and the manufacturing cost is low.

[0049] As a further solution of the present invention: the angle between the cutout of the clamping block 14 and the horizontal plane is 0°-45° ( Figure 8 Theoretically, the larger the value of a is, the stronger the anti-escape capability of the spiral separation groove 9-1 is; however, when the value of a is too large, it is easy to cause irreversible deformation at the connection between the box edge 18-1 and the box body 18.

[0050] In fact, it is troublesome to adjust the angle a after it is determined; and the larger the angle a is, the higher the defective rate of the box body 18 will be; therefore, simply increasing the angle a to improve the separation efficiency is not the best way. In order to solve this technical problem:

[0051] As a further solution of the present invention: a loosening structure is also provided on the clamping rod 6; the loosening structure includes a connecting oblique rod 6-1 connecting the upper and lower parts of the clamping rod 6; the oblique direction of the connecting oblique rod 6-1 is toward the outside of the box body 18; a vibration spring 16 is sleeved on the connecting oblique rod 6-1; a slide 17 is fixedly provided on the upper end surface of the vibration spring 16; the slide 17 is slidably provided on the connecting oblique rod 6-1; two symmetrically distributed loosening arms 11 are fixedly provided above the slide 17; a side of the loosening arm 11 close to the box body 18 is coplanar with the line where the clamping rod 6 contacts the box body 18; a connecting frame 10 is also provided on the slide 17; a guide plate 12 is fixedly provided on the separation box shaft 9, and the position of the guide plate 12 corresponds to the position of the separation plug 13; when the separation box shaft 9 rotates, the slide 17 can be intermittently driven to move downward through the guide plate 12.

[0052] like Figure 1-7 As shown: when the separation plug 13 separates the two boxes 18 at the bottom layer, at the same time, the guide plate 12 will also press the connecting frame 10 downward, so that the slide 17 moves obliquely downward along the connecting oblique rod 6-1; when the connecting frame 10 passes over the guide plate 12, it is reset under the action of the vibration spring 16, and the side of the stacked boxes 18 is slapped upward by the loosening arm 11, so that there is a tendency for the boxes 18 to loosen; when a box 18 moves from the top layer to the bottom layer, it will be slapped many times in this way, so that the tightness between the two adjacent boxes 18 is greatly reduced, so that it is convenient to separate the boxes and reduce the actual angle requirement of a; thereby reducing the residual products of the boxes 18 while ensuring the efficiency of the separation. In addition, since the loosening mechanism has no power of its own, it mainly borrows the elastic force of the vibration spring 16 and the power of the box separation shaft 9, so it can ensure close cooperation with the working process of the box separation shaft 9. In addition, since the flapping frequency of the release arm 11 is very high, the problem of the box body 18 being stuck between the four clamping rods 6 when the box body 18 is newly added can be avoided, thereby greatly improving the efficiency and stability of adding the box body 18.

[0053] As a further solution of the present invention: loosening teeth 11-2 are evenly arranged at equal distances on the loosening arm 11. The loosening teeth 11-2 can improve the efficiency of loosening.

[0054] As a further solution of the present invention: the inclined surface of the loosening tooth 11-2 faces upward; when the inclined surface is in the same direction as the movement direction, the damage of the loosening tooth 11-2 to the box edge 18-1 can be greatly reduced, and the loosening efficiency can be improved.

[0055] As a further solution of the present invention: a positioning groove 11-1 is provided on the upper end surface of the release arm 11; two plugs 15 are provided on the upper end of each mounting arm 5 through a gas spring 15-1. When the release arm 11 moves upward, the plug 15 can be inserted into the positioning groove 11-1, and the mounting arm 5 vibrates slightly under the action of the gas spring 15-1. As shown in the figure, the release arm 11 is relatively long; it is easy to deform after long-term work; but when it can cooperate with the plug 15 during each ascent, a part of it can be corrected; the other part, under the action of the gas spring 15-1, the release arm 11 can also vibrate horizontally to a certain extent; thereby cooperating with the release teeth 11-2 to improve the release efficiency between the stacked boxes 18.

[0056] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A high-speed box-splitting machine, comprising a conveyor belt, a mounting frame, a lifting platform and a box-splitting part; characterized in that: The conveyor belt is arranged on an external rack; there are four box-dividing parts, and all of them are slidably arranged on the mounting frame; the mounting frame is fixedly arranged on the external rack through a lifting platform; The box-dividing part comprises a slide seat; the slide seat is slidably arranged on the mounting frame and can be fastened to the mounting frame by a tightening swivel seat; a synchronous motor and a mounting arm are fixedly arranged on the slide seat; a clamping rod for clamping the side of the box body is fixedly arranged on the mounting arm; a box-dividing shaft is fixedly arranged on the output shaft of the synchronous motor; a spiral separation groove is opened on the box-dividing shaft; a separation plug is fixedly arranged on the box-dividing shaft corresponding to the upper side opening of the spiral separation groove; the height difference between the upper side of the separation plug and the upper end face of the box-dividing shaft is less than the box edge distance between two adjacent box bodies in a stacked state, and the height difference between the upper side of the separation plug and the upper end face of the box-dividing shaft is greater than the thickness of the box edge; The four sub-box parts are arranged on both sides of the mounting frame; and in the installed state, the four clamping rods correspond to the four sides of the box body; and when the box body is installed, the corners of the box edge of the lowermost box body are respectively located on the upper end surfaces of the four sub-box axes; The two sides of the mounting frame where the sub-box portion is not provided can be extended and retracted to cooperate with the sub-box portion slidably provided on the mounting frame to achieve adjustment and adapt to boxes of more sizes; The clamping rod is also provided with a loosening structure; the loosening structure comprises a connecting oblique rod connecting the upper and lower parts of the clamping rod; the oblique direction of the connecting oblique rod is toward the outside of the box body; a vibration spring is sleeved on the connecting oblique rod; a sliding plate is fixedly provided on the upper end surface of the vibration spring; the sliding plate is slidably arranged on the connecting oblique rod; two symmetrically distributed loosening arms are fixedly provided above the sliding plate; a side of the loosening arm close to the box body is coplanar with the line of the clamping rod contacting the box body; a connecting frame is also provided on the sliding plate; a guide plate is fixedly provided on the separation box shaft, and the position of the guide plate corresponds to the position of the separation plug; when the separation box shaft rotates, the sliding plate can be intermittently driven to move downward through the guide plate; A clamping part is also provided in the spiral separation groove; the clamping part includes a flip clamping part and a clamping block; the clamping block is located at the starting position of the spiral separation groove; the clamping block is parallel to the spiral line of the spiral separation groove, and the section of the clamping block is in a horizontally inclined direction; there is at least a flip clamping part in the spiral separation groove that is equal in length to the clamping block; the incision of the flip clamping part and the incision of the clamping block are equal in angle and direction; both are higher on the side close to the axis of the separation box shaft and lower on the side away from the axis of the separation box shaft; The angle between the clamping block cutout and the horizontal plane is 0°-45°.

2. A high-speed cartoning machine according to claim 1, characterized in that: The loosening arms are evenly and evenly provided with loosening teeth at equal distances.

3. A high-speed cartoning machine according to claim 2, characterized in that: The inclined surface of the loosening tooth faces upward.

4. A high-speed cartoning machine according to claim 3, characterized in that: A positioning groove is provided on the upper end surface of the loosening arm; two plug blocks are provided on the upper end of each mounting arm through a gas spring. When the loosening arm moves upward, the plug block can be inserted into the positioning groove, and the loosening arm vibrates slightly under the action of the gas spring.

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