CN115072389A

CN115072389A - Glass tube stacking device

Info

Publication number: CN115072389A
Application number: CN202210786703.6A
Authority: CN
Inventors: 李益; 王春江; 宋运贵; 吕常欢
Original assignee: Qinhuangdao Tongbo Technology Co ltd; Triumph Junheng Pharmaceutical Glass Qingdao Co ltd; Kaisheng Junheng Co ltd
Current assignee: Kaisheng Junheng Co ltd; Qinhuangdao Tongbo Technology Co ltd; Triumph Junheng Pharmaceutical Glass Qingdao Co ltd; China National Building Material Group Co Ltd CNBM
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-09-20
Anticipated expiration: 2042-07-04
Also published as: CN115072389B

Abstract

The invention provides a glass tube stacking device, which belongs to the technical field of stacking devices and comprises a base and two placing units, wherein each placing unit comprises a placing frame, a first driving assembly and two limiting assemblies. The placing frame is connected with the base in a sliding mode along a first horizontal direction and comprises two connecting rods, and the connecting rods are provided with bearing sections. The first driving assembly is used for driving the placing frame to slide. Two limiting assemblies are respectively arranged on the two bearing sections, and each limiting assembly comprises two limiting rods and a second driving assembly. Two gag lever posts are located the both ends department of the bearing section at place respectively, and the one end of gag lever post is connected with the bearing section rotation at place. The second driving assembly is used for driving the two limiting rods to synchronously rotate reversely between a first preset angle and a second preset angle. The glass tube stacking device provided by the invention can avoid the problem of low stacking efficiency caused by the fact that stacking can only be stopped when glass tubes after stacking are bundled.

Description

Glass tube stacking device

Technical Field

The invention belongs to the technical field of stacking devices, and particularly relates to a glass tube stacking device.

Background

In the production process of the glass tube, the glass tube is conveyed to a preset position by a conveying device for conveying the glass tube, and then the glass tube is stacked. In the pile up neatly device of glass pipe, need put into the rack that is used for the pile up neatly with the glass pipe, the pile up neatly is accomplished the back, beats bundle and hoist suitable place after moving next station with the rack, then moves the position of pile up neatly back with the rack again and carries out the pile up neatly with the glass pipe, because when beating the bundle to the glass pipe behind the pile up neatly, the rack is still being occupied, and the pile up neatly can only stop, leads to the efficiency of pile up neatly lower.

Disclosure of Invention

The invention aims to provide a glass tube stacking device, which aims to solve the problem that stacking efficiency is low because stacking can only be stopped when glass tubes after stacking are bundled.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a glass pipe pile up neatly device, includes that base and two place the unit, it includes rack, first drive assembly and two spacing subassemblies to place the unit. The rack with base is along first horizontal direction sliding connection, the rack has the first station that is used for placing the glass pipe and is used for beating the good glass pipe of pile up neatly the second station of bundling, the rack includes two edges first horizontal direction sets up the connecting rod, two the connecting rod sets up along second horizontal direction interval, the second horizontal direction with first horizontal direction is perpendicular, the connecting rod has the bearing section that is used for bearing glass pipe.

A first driving assembly is arranged on the base and connected with the placing frame, and the first driving assembly is used for driving the placing frame to slide between the first station and the second station in a reciprocating mode.

Two spacing subassemblies are located respectively on two sections the bearing section, spacing subassembly includes two gag lever posts and second drive assembly.

Two gag lever posts are located the place respectively the both ends department of bearing section, the one end of gag lever post with the place the bearing section rotates to be connected and the pivoted axis is followed the second horizontal direction sets up, works as when the gag lever post is in first predetermined angle, the gag lever post is for the place the bearing section is vertical upwards, works as when the gag lever post is in the second predetermined angle, the top of gag lever post is less than glass pipe in the bearing section.

The second drive assembly is arranged on the bearing section and connected with the two limiting rods, and the second drive assembly is used for driving the two limiting rods to rotate in the opposite directions in a synchronous mode between the first preset angle and the second preset angle.

And the two connecting rods in the first placing rack are respectively positioned on two sides of the second placing rack along the second horizontal direction.

In a possible implementation manner, the glass tube stacking device further comprises two execution units, the two execution units are arranged at intervals along a second horizontal direction, the two placing frames are located between the two execution units, and each execution unit comprises a lifting module and a bearing piece.

The lifting module is fixedly arranged on the base and comprises a lifting block capable of lifting and a third driving assembly for driving the lifting block to lift.

The bearing piece with elevator block fixed connection just has and is located the lift module orientation the bearing portion of rack one side, bearing portion is used for bearing glass pipe.

When one of the placing racks is positioned at a first station and the limiting rods arranged on the placing racks are all positioned at a first preset angle, two limiting rods in the same limiting assembly on the placing racks limit two glass tubes on the bearing parts from two sides.

In one possible implementation, the execution unit further includes a bracket, a first telescopic assembly and an interface element.

The support is fixedly arranged on the lifting module.

The first telescopic assembly is fixedly connected with the support and provided with a first piston rod capable of extending and retracting along the second horizontal direction.

The butt joint piece is located one side that the rack was kept away from to the supporting portion just set firmly in on the telescopic link of first flexible subassembly, the butt joint piece has and is located supporting portion top just is the butt joint face that the contained angle set up with first horizontal direction, the higher one end of butt joint face is used for accepting conveyor transport terminal's glass pipe, the lower one end of butt joint face is equipped with the spacing portion of upwards bellied.

In one possible implementation, the execution unit further includes a second telescopic assembly and an alignment plate.

The second telescopic assembly is fixedly connected with the support and is provided with a second piston rod capable of extending and retracting along the second horizontal direction.

The aligning plate is located one side that the rack was kept away from to the bearing portion and with the second horizontal direction is perpendicular, the aligning plate with the second piston rod fixed connection of the flexible subassembly of second, and when the aligning plate to when the direction of bearing portion removed, the aligning plate can push away the glass pipe on the bearing portion.

In a possible implementation manner, the execution unit further includes a limiting plate.

The limiting plate is vertically arranged and fixedly arranged on the butt joint piece, the limiting plate is positioned on one side, away from the bearing part, of the butt joint face, and the limiting plate is used for limiting the glass tube on the butt joint face.

In a possible implementation manner, the two limiting rods are symmetrically arranged in the limiting assembly, the limiting rods are provided with strip holes located on one radial side of the rotating axis of the limiting rods, the hole depth direction of the strip holes is parallel to the rotating axis of the limiting rods, the length direction of the strip holes is perpendicular to the rotating axis of the limiting rods, and the second driving assembly comprises a connecting piece.

The connecting piece is located two between the gag lever post, the connecting piece has two connecting axles, the connecting axle with the axis of rotation of gag lever post is parallel, two the connecting axle slides respectively and wears to locate two rectangular downthehole.

The third telescopic assembly is fixedly arranged on the bearing section and is provided with a third piston rod capable of stretching along the vertical direction, and the third piston rod of the third telescopic assembly is fixedly connected with the connecting piece.

In a possible implementation manner, the rack further comprises a connecting plate, the connecting plate is perpendicular to the first horizontal direction and is fixedly connected with the two connecting rods, the connecting plate is provided with a threaded hole, the hole depth direction of the threaded hole is arranged along the first horizontal direction, and the first driving assembly comprises a driving shaft and a driving motor.

The drive shaft with the base is rotated and is connected, the drive shaft wear to locate in the screw hole and be equipped with screw hole threaded connection's external screw thread.

The driving motor is fixedly arranged on the base, and an output shaft is connected with the driving shaft.

In a possible implementation manner, the two driving shafts are arranged at intervals along the vertical direction, and the connecting plate in the first placing frame is provided with a notch for the connecting plate in the second placing frame to pass through.

In a possible implementation manner, a connecting sleeve is fixedly arranged in the connecting plate in a penetrating manner, and the connecting sleeve is provided with the threaded hole.

In one possible implementation, the abutting surface is an arc surface that is upwardly convex.

In this application embodiment, when the gag lever post that first rack is in on first station and the first rack all was in first predetermined angle, the second rack was in the second station, and the glass pipe is placed in two bearing sections in first rack, and the gag lever post is used for carrying on spacingly to the glass pipe in the bearing section to the realization is to the pile up neatly of glass pipe. When the stacking of the glass tubes on the first placing frame is finished, the corresponding first driving assembly drives the first placing frame to slide to the second station, the corresponding first driving assembly drives the second placing frame to slide to the first station, and the limiting rods on the second placing frame are located at the second station, so that the limiting rods on the second placing frame are prevented from interfering with the glass tubes on the first placing frame; meanwhile, the glass tubes stacked in a pile on the first placing frame can be bundled and hoisted, and after the glass tubes stacked in a pile on the second placing frame, the two placing frames exchange positions again, and the operation is repeated. Because when the glass pipe of piling up the buttress on one of them rack was beaten bundle and is hoisted, another rack can carry out the pile up neatly of glass pipe, so can avoid because when beating the glass pipe behind the pile up neatly, the pile up neatly can only stop, leads to the lower problem of efficiency of pile up neatly.

Drawings

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

Fig. 1 is a schematic axial structure diagram of a glass tube stacking apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of a portion C of FIG. 1;

fig. 5 is a schematic axial structure diagram of a glass tube stacking apparatus according to an embodiment of the present invention after a base and a placement unit are connected to each other;

FIG. 6 is an enlarged view of a portion D of FIG. 5;

fig. 7 is an enlarged structural view of a part E in fig. 5;

fig. 8 is a schematic axial-measurement structural diagram of a limiting assembly in the glass tube stacking apparatus according to the embodiment of the present invention;

fig. 9 is an enlarged schematic view of a portion F in fig. 8.

In the figure: 1. a base; 110. a first placing rack; 120. a second rack; 11. a connecting rod; 111. a support section; 12. a connecting plate; 121. opening the gap; 122. connecting sleeves; 2. a first drive assembly; 21. a drive shaft; 22. a drive motor; 3. a limiting component; 31. a limiting rod; 311. a strip hole; 32. a second drive assembly; 321. a connecting member; 3211. a connecting shaft; 322. a third telescoping assembly; 4. a lifting module; 41. a lifting block; 42. a third drive assembly; 5. a support; 6. a support member; 61. a bearing part; 7. a first telescoping assembly; 8. a docking member; 81. a butt joint surface; 82. a limiting part; 9. a second telescoping assembly; 10. an alignment plate; 100. a limiting plate; 1001. a first stage; 1002. a second stage; 1010. a glass tube.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 3, 5 and 6 together, the glass tube stacking apparatus according to the present invention will now be described. Glass manages pile up neatly device, including base 1 and two units of placing, place the unit and include rack, first drive assembly 2 and two spacing subassemblies 3. The rack and base 1 are along first horizontal direction sliding connection, and the rack has the first station that is used for placing glass pipe 1010 and is used for beating the good glass pipe 1010 of pile up neatly and beat the second station of tying, and the rack includes that two set up connecting rod 11 along first horizontal direction, and two connecting rod 11 set up along second horizontal direction interval, and second horizontal direction is perpendicular with first horizontal direction, and connecting rod 11 has the bearing section 111 that is used for bearing glass pipe 1010.

First drive assembly 2 locates on base 1 and is connected with the rack, and first drive assembly 2 is used for driving the rack and reciprocates between first station and second station and slides.

The two limiting assemblies 3 are respectively arranged on the two bearing sections 111, and each limiting assembly 3 comprises two limiting rods 31 and a second driving assembly 32.

Two gag lever posts 31 are located the both ends department of the bearing section 111 at place respectively, and the one end of gag lever post 31 rotates with the bearing section 111 at place and is connected and the pivoted axis sets up along the second horizontal direction, and when gag lever post 31 was in first predetermined angle, gag lever post 31 was for the bearing section 111 at place vertical upwards, and when gag lever post 31 was in the second predetermined angle, gag lever post 31's top was less than the glass pipe 1010 on the bearing section 111.

The second driving assembly 32 is disposed on the bearing section 111 and connected to the two limiting rods 31, and the second driving assembly 32 is configured to drive the two limiting rods 31 to rotate in the opposite direction between the first preset angle and the second preset angle.

Two connecting rods 11 in the first rack 110 are respectively located at two sides of the second rack 120 along the second horizontal direction, that is, four connecting rods 11 are located in the same horizontal space.

Compared with the prior art, when the first placing frame 110 is located at the first station and the limiting rods 31 on the first placing frame 110 are located at the first preset angle, the second placing frame 120 is located at the second station, the glass tubes 1010 are placed on the two bearing sections 111 in the first placing frame 110, and the limiting rods 31 are used for limiting the glass tubes 1010 on the bearing sections 111, so that the glass tubes 1010 are stacked. After the glass tubes 1010 on the first placing rack 110 are completely stacked, the corresponding first driving assembly 2 drives the first placing rack 110 to slide to the second station, the corresponding first driving assembly 2 of the second placing rack 120 drives the second placing rack 120 to slide to the first station, and the limiting rods 31 on the second placing rack 120 are all located at the second station, so that the limiting rods 31 on the second placing rack 120 are prevented from interfering with the glass tubes 1010 on the first placing rack 110, and when the second placing rack 120 reaches the first station, the second driving assemblies 32 on the second placing rack 120 drive the connected limiting rods 31 to rotate to a first preset angle; meanwhile, the glass tubes 1010 stacked on the first rack 110 can be bundled and hoisted, and after the glass tubes 1010 stacked on the second rack 120 are stacked, the two racks are exchanged in position, and the operations are repeated. Because when the glass pipe 1010 piled up in a pile on one of the placing racks is bundled and hoisted, the other placing rack can stack the glass pipe 1010, so that the problem that the stacking efficiency is low because the stacking can only be stopped when the glass pipe 1010 piled up in a pile is bundled can be avoided.

Further, when the limiting rod 31 rotates from the first preset angle to the second preset angle, the limiting rod 31 is far away from the glass tube 1010 on the supporting section 111. After bundling the piled glass tubes 1010, the limiting rods 31 on two sides of the glass tubes 1010 are rotated to the second preset angle, so that the bundled glass tubes 1010 can be conveniently hoisted.

In some embodiments, referring to fig. 1 and 2, the glass tube stacking apparatus further includes two execution units, the two execution units are arranged at intervals along the second horizontal direction, the two placing frames are both located between the two execution units, and the execution units include a lifting module 4 and a bearing member 6.

The lifting module 4 is fixedly arranged on the base 1, and the lifting module 4 comprises a lifting block 41 capable of lifting and a third driving component 42 for driving the lifting block 41 to lift.

The supporting member 6 is fixedly connected to the lifting block 41 and has a supporting portion 61 located on one side of the lifting module 4 facing the placing rack, and the supporting portion 61 is used for supporting the glass tube 1010.

When one of the racks is at the first station and the limiting rods 31 arranged on the rack are all at the first preset angle, the two limiting rods 31 in the same limiting component 3 on the rack limit the glass tubes 1010 on the two bearing portions 61 from two sides.

Can carry out the pile up neatly on two bearing parts 61 like this, every sign indicating number one deck, two third drive assembly 42 drive two lifters 41 respectively and descend certain distance to make two bearing parts 61 descend certain distance, after the pile up neatly is accomplished, two bearing parts 61 continue to descend until two glass tubes 1010 on two bearing parts 61 fall on two bearing sections 111 in the rack in first preset position, after this rack slides to the second station, two third drive assembly 42 drive two lifters 41 respectively and rise to reset. This avoids damage to the elevated glass tube 1010 by falling directly onto the support section 111.

In the present embodiment, the lifting module 4 may be an electric cylinder or other known lead screw module in the prior art.

In some embodiments, referring to fig. 2, the execution unit further comprises a bracket 5, a first telescopic assembly 7 and an abutment 8.

The bracket 5 is fixedly arranged on the lifting module 4.

The first telescopic assembly 7 is fixedly connected with the support 5, and the first telescopic assembly 7 is provided with a first piston rod capable of extending and retracting along the second horizontal direction.

The butt joint piece 8 is located on one side of the bearing portion 61, which is far away from the placing rack, and is fixedly arranged on the telescopic rod of the first telescopic assembly 7, the butt joint piece 8 is provided with a butt joint surface 81 which is located above the bearing portion 61 and is arranged at an included angle with the first horizontal direction, the higher end of the butt joint surface 81 is used for bearing the glass tube 1010 at the conveying terminal of the conveying device, and the lower end of the butt joint surface 81 is provided with an upward convex limiting portion 82.

The glass tube 1010 conveyed by the conveying device falls on one higher end of the two abutting surfaces 81 and faces one lower end of the two abutting surfaces 81, and the limiting part 82 can prevent the glass tube 1010 from rolling off the abutting surfaces 81. After the glass tubes 1010 on the two butt joint surfaces 81 reach a certain number, the piston rods of the two first telescopic assemblies 7 are telescopic to enable the two butt joint members 8 to move towards the direction far away from the two bearing parts 61, so that the glass tubes 1010 of the certain number on the two butt joint surfaces 81 fall on the two bearing parts 61, automatic stacking can be achieved, and manual stacking is not needed.

In this embodiment, the first telescopic assembly 7 is located on the side of the docking member 8 away from the support portion 61. The glass tube 1010 conveyed by the conveying device is parallel to the second horizontal direction.

In some embodiments, referring to fig. 2, the execution unit further comprises a second telescopic assembly 9 and an alignment plate 10.

The second telescopic assembly 9 is fixedly connected with the support 5, and the second telescopic assembly 9 is provided with a second piston rod capable of extending and retracting along a second horizontal direction.

The aligning plate 10 is located on one side of the supporting portion 61 far away from the placement rack and is perpendicular to the second horizontal direction, the aligning plate 10 is fixedly connected with the second piston rod of the second telescopic assembly 9, and when the aligning plate 10 moves towards the supporting portion 61, the aligning plate 10 can push the glass tubes 1010 on the supporting portion 61, so that the glass tubes 1010 supported on the two supporting portions 61 are aligned.

In this embodiment, the first telescopic assembly 7 is located on the side of the alignment plate 10 away from the support portion 61.

In some embodiments, referring to fig. 2, the execution unit further comprises a limiting plate 100.

Limiting plate 100 is vertically arranged and fixedly arranged on butt joint piece 8, limiting plate 100 is located on one side of butt joint face 81 far away from supporting part 61, and limiting plate 100 is used for limiting glass tube 1010 on butt joint face 81, so that glass tube 1010 is guaranteed to roll along two butt joint faces 81.

In this embodiment, the limiting plate 100 has a first section 1001 and a second section 1002 connected to each other, the first section 1001 is parallel to the first horizontal direction, the second section 1002 opens in a direction away from the abutting surface 81, the lower end of the abutting surface 81 is located between the two first sections 1001, and the higher end is located between the two second sections 1002, so that the glass tube 1010 at the conveying terminal of the conveying device can smoothly fall on the two abutting surfaces 81.

In some embodiments, referring to fig. 5, 6, 8 and 9, two stop rods 31 in the same stop assembly 3 are symmetrically arranged, the stop rods 31 are provided with elongated holes 311 located on one radial side of the rotation axis of the stop rods 31, the depth direction of the elongated holes 311 is parallel to the rotation axis of the stop rods 31 and the length direction is perpendicular to the rotation axis of the stop rods 31, and the second driving assembly 32 includes a connecting member 321.

The connecting member 321 is located between the two limiting rods 31, the connecting member 321 has two connecting shafts 3211, the connecting shafts 3211 are parallel to the rotation axis of the limiting rods 31, and the two connecting shafts 3211 respectively slide through the two elongated holes 311.

The third telescopic assembly 322 is fixedly arranged on the bearing section 111 and has a third piston rod capable of extending and retracting along the vertical direction, and the third piston rod of the third telescopic assembly 322 is fixedly connected with the connecting piece 321.

When the third piston rod of the third telescopic assembly 322 is telescopic along the vertical direction, the connecting member 321 is driven to ascend and descend, so that the two connecting shafts 3211 drive the two limiting rods 31 to rotate in opposite directions synchronously. In the process of rotating the limiting rod 31, the connecting shaft 3211 and the penetrated elongated hole 311 slide relatively.

In some embodiments, referring to fig. 1, 5 and 7, the rack further includes a connecting plate 12, the connecting plate 12 is perpendicular to the first horizontal direction and is fixedly connected to both the two connecting rods 11, the connecting plate 12 is provided with a threaded hole, the depth direction of the threaded hole is arranged along the first horizontal direction, and the first driving assembly 2 includes a driving shaft 21 and a driving motor 22.

The driving shaft 21 is rotatably connected with the base 1, and the driving shaft 21 penetrates through the threaded hole and is provided with an external thread in threaded connection with the threaded hole.

The driving motor 22 is fixedly arranged on the base 1 and the output shaft is connected with the driving shaft 21.

The driving motor 22 drives the driving shaft 21 to rotate, thereby driving the placing frame to slide.

In some embodiments, referring to fig. 1, 4, 5 and 7, two driving shafts 21 are arranged at intervals along the vertical direction, and the connecting plate 12 in the first rack 110 is provided with a notch 121 for the connecting plate 12 in the second rack 120 to pass through. The moving routes of the two placing racks can be overlapped, so that the two placing racks and the two first driving assemblies 2 occupy less horizontal space.

In some embodiments, referring to fig. 4 and 7, a connecting sleeve 122 is fixed in the connecting plate 12 in a penetrating manner, and the connecting sleeve 122 is provided with a threaded hole, so that a longer threaded hole can be provided.

In some embodiments, referring to fig. 2, the abutting surface 81 is an arc surface that is upwardly protruded, so that the friction between the abutting surface 81 and the held glass tube 1010 is small, and the held glass tube 1010 can be prevented from being driven when the abutting surface 81 moves away from the holding portion 61.

In the present invention, the first telescopic assembly 7, the second telescopic assembly 9 and the third telescopic assembly 322 may adopt one of a cylinder, a hydraulic cylinder and an electric push rod, for example, a multi-shaft cylinder having a plurality of piston rods may be adopted.

In addition, the parts of the device which can be in contact with the glass tube 1010 can be made of damping materials, damping pieces or damping structures according to needs, so that the glass tube 1010 is prevented from being damaged.

Every rack all can be with the help of two sets of slide rails and slider and base 1 sliding connection, the slide rail set up along first horizontal direction and with base 1 fixed connection, the slider slides and locates on the slide rail and with rack fixed connection.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Glass pipe pile up neatly device, its characterized in that places the unit including base and two, it includes to place the unit:

the glass tube bundling device comprises a placing frame, a bundling frame and a bundling mechanism, wherein the placing frame is connected with the base in a sliding mode along a first horizontal direction and is provided with a first station for placing glass tubes and a second station for bundling the stacked glass tubes;

the first driving assembly is arranged on the base and connected with the placing frame, and is used for driving the placing frame to slide between the first station and the second station in a reciprocating manner; and

two sections are located respectively to two spacing subassemblies on the bearing section, spacing subassembly includes:

the two limiting rods are respectively positioned at two ends of the bearing section, one end of each limiting rod is rotatably connected with the bearing section, and the rotating axis of each limiting rod is arranged along the second horizontal direction;

the second driving assembly is arranged on the bearing section and connected with the two limiting rods, and the second driving assembly is used for driving the two limiting rods to synchronously rotate reversely between the first preset angle and the second preset angle;

2. The glass tube palletizing device according to claim 1, further comprising two execution units, wherein the two execution units are arranged at intervals along a second horizontal direction, the two placement frames are both positioned between the two execution units, and the execution units comprise:

the lifting module is fixedly arranged on the base and comprises a lifting block capable of lifting and a third driving assembly for driving the lifting block to lift;

the bearing piece is fixedly connected with the lifting block and is provided with a bearing part positioned on one side of the lifting module facing the placing frame, and the bearing part is used for bearing the glass tube;

3. The glass tube palletizing device according to claim 2, wherein the execution unit further comprises:

the bracket is fixedly arranged on the lifting module;

the first telescopic assembly is fixedly connected with the bracket and is provided with a first piston rod capable of extending and retracting along the second horizontal direction;

the butt joint piece is located the supporting part is kept away from one side of the placing rack and is fixedly arranged on the telescopic rod of the first telescopic assembly, the butt joint piece is provided with a butt joint face which is located above the supporting part and is arranged at an included angle with the first horizontal direction, the higher end of the butt joint face is used for bearing the glass tube of the conveying terminal of the conveying device, and the lower end of the butt joint face is provided with an upward convex limiting part.

4. The glass tube palletizing device according to claim 3, wherein the execution unit further comprises:

the second telescopic assembly is fixedly connected with the support and is provided with a second piston rod capable of extending and retracting along the second horizontal direction;

the aligning plate is located on one side, far away from the placing frame, of the bearing portion and perpendicular to the second horizontal direction, the aligning plate is fixedly connected with a second piston rod of the second telescopic assembly, and when the aligning plate moves towards the bearing portion, the aligning plate can push the glass tube on the bearing portion.

5. The glass tube palletizing device according to claim 3, wherein the execution unit further comprises:

6. The glass tube palletizing device as in claim 1, wherein two limiting rods in the same limiting assembly are symmetrically arranged, the limiting rods are provided with elongated holes at one radial side of the rotation axis of the limiting rods, the hole depth direction of the elongated holes is parallel to the rotation axis of the limiting rods, and the length direction of the elongated holes is perpendicular to the rotation axis of the limiting rods, and the second driving assembly comprises:

the connecting piece is positioned between the two limiting rods and provided with two connecting shafts, the connecting shafts are parallel to the rotating axes of the limiting rods, and the two connecting shafts are respectively arranged in the two strip holes in a sliding mode;

and the third telescopic assembly is fixedly arranged on the bearing section and is provided with a third piston rod capable of stretching along the vertical direction, and the third piston rod of the third telescopic assembly is fixedly connected with the connecting piece.

7. The glass tube stacking device as claimed in claim 1, wherein the placing frame further comprises a connecting plate perpendicular to the first horizontal direction and fixedly connected to both of the two connecting rods, the connecting plate is provided with a threaded hole, a hole depth direction of the threaded hole is arranged along the first horizontal direction, and the first driving assembly comprises:

the driving shaft is rotatably connected with the base, penetrates through the threaded hole and is provided with an external thread in threaded connection with the threaded hole;

and the driving motor is fixedly arranged on the base, and an output shaft is connected with the driving shaft.

8. The glass tube stacking apparatus as claimed in claim 7, wherein the two driving shafts are spaced apart vertically, and the connecting plate in the first rack is provided with a notch for the connecting plate in the second rack to pass through.

9. The glass tube stacking device as claimed in claim 7, wherein a connecting sleeve is fixedly arranged in the connecting plate in a penetrating manner, and the connecting sleeve is provided with the threaded hole.

10. The glass tube palletizing device as in claim 3, wherein the abutment surface is an upwardly convex arcuate surface.