CN214490123U

CN214490123U - Automatic discharging device for stainless steel square tube polishing machine

Info

Publication number: CN214490123U
Application number: CN202120744727.6U
Authority: CN
Inventors: 任雪松; 陈桂丰; 曾嘉源
Original assignee: Foshan Yiding Pipe Co ltd
Current assignee: Foshan Yiding Pipe Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-10-26
Anticipated expiration: 2031-04-12

Abstract

The application relates to an automatic discharging device for a stainless steel square pipe polishing machine, which comprises a feeding rack, wherein one side of the feeding rack is provided with a discharging rack, the feeding rack is provided with a material conveying mechanism for conveying square pipes along the square pipe conveying direction, the feeding rack is also provided with a feeding mechanism and a material pushing mechanism, the feeding mechanism and the material pushing mechanism are sequentially arranged along the square pipe conveying direction, one side of the feeding rack, which is close to the discharging rack, is provided with a plurality of equally spaced short supporting plates, the feeding mechanism is used for conveying the square pipes conveyed by the material conveying mechanism to the short supporting plates, the discharging rack is provided with a supporting mechanism and a liftable supporting mechanism, the material pushing mechanism is used for pushing the square pipes on the short supporting plates to the supporting mechanism, and the square pipes which are arranged on the supporting mechanism side by side can smoothly drop to the supporting mechanism through the cooperation of the material pushing mechanism and the supporting mechanism. This application has the automatic discharging device who improves stainless steel square pipe burnishing machine and when unloading, the uneven effect of square tube arrangement.

Description

Automatic discharging device for stainless steel square tube polishing machine

Technical Field

The application relates to the technical field of stainless steel pipe preparation, in particular to an automatic discharging device for a stainless steel square pipe polishing machine.

Background

At present, all industries are in a rapid development stage, the demand of the market for pipes is increasing day by day, stainless steel is used as an environment-friendly pipe, has the advantages of temperature resistance, wear resistance, corrosion resistance and the like, and is widely applied to various fields, and in industrial production, stainless steel square pipes need to be polished.

The utility model discloses a steel pipe polishing machine of automatic feed unloading that current publication number is CN 207189420U's chinese utility model patent, one side of steel pipe polishing machine feeding is provided with automatic low tube device, one side of the steel pipe polishing machine ejection of compact is provided with automatic discharge apparatus, the storage frame of automatic low tube device is used for depositing pending steel pipe, the delivery roll on the pay-off frame is connected through driving belt and steel pipe polishing machine motor drive and is realized synchronous rotation, guarantee that low tube device is unanimous with steel pipe polishing machine's steel pipe transportation speed, and need not add extra driving source and just can realize automatic low tube function. Meanwhile, the steel pipe can be lightly placed on the material bearing arm by the automatic discharging device, so that the steel pipe is prevented from being collided and damaged vigorously, and the smooth discharging of the steel pipe can be further ensured due to the synchronous transmission of the transmission belt of the automatic discharging device and the driving motor of the steel pipe polishing machine.

In view of the above-described related art, the inventors consider that the following drawbacks occur: when the automatic discharging device of the stainless steel square tube polishing machine discharges materials, the square tubes are not arranged orderly.

SUMMERY OF THE UTILITY MODEL

In order to make the automatic discharging device of stainless steel square pipe burnishing machine unload time square pipe can arrange neatly, this application provides an automatic discharging device for stainless steel square pipe burnishing machine, adopts following technical scheme:

an automatic discharging device for a stainless steel square tube polishing machine comprises a feeding frame, wherein a discharging frame is arranged at one side of the feeding frame at intervals, the feeding machine frame is provided with a material conveying mechanism for conveying the square tubes along the conveying direction of the square tubes, the feeding machine frame is also provided with a feeding mechanism and a material pushing mechanism, the feeding mechanism and the pushing mechanism are sequentially arranged along the conveying direction of the square pipe, one side of the feeding rack close to the discharging rack is provided with a plurality of short supporting plates at equal intervals, the feeding mechanism is used for conveying the square pipe conveyed by the material conveying mechanism to the short supporting plate, a supporting mechanism and a lifting bearing mechanism are arranged on the discharging machine frame, the pushing mechanism is used for pushing the square tube on the short supporting plate to the supporting mechanism, the pushing mechanism is matched with the supporting mechanism, so that the square pipes which are arranged on the supporting mechanism in parallel can be smoothly dropped onto the supporting mechanism.

By adopting the technical scheme, the square tubes are conveyed to the preset positions under the conveying action of the material conveying mechanism, the square tubes are conveyed to the short supporting plate from the material conveying mechanism under the feeding action of the feeding mechanism, then the square tubes on the short supporting plate are pushed by the material pushing mechanism, the square tubes are conveyed to the supporting mechanism from the short supporting plate, the actions are sequentially repeated in the same way, when the supporting mechanism is fully distributed with a whole row of square tubes, the material pushing mechanism is matched with the supporting mechanism at the moment, so that the square tubes which are arranged on the supporting mechanism in parallel can smoothly drop onto the supporting mechanism, and the square tubes can be orderly arranged in the whole process.

Optionally, the last mounting panel that vertically sets up that installs of feeder frame, feeding mechanism set up in on the mounting panel, feeding mechanism includes liftout subassembly and propulsion subassembly, the liftout subassembly includes slide plate, liftout cylinder and V type tray, the mounting panel top surface is provided with the subassembly that slides of longitudinal extension, the slide plate passes through the subassembly that slides with the mounting panel is slided and is connected, the liftout cylinder vertical install in on the bottom surface of slide plate, the piston rod end of liftout cylinder passes the slide plate, the piston rod end of liftout cylinder with V type tray bottom fixed connection, offer the confession on the mounting panel the hole of stepping down that the liftout cylinder passed, the propulsion subassembly with the slide plate is connected, in order to promote the slide plate is to being close to or keeping away from the direction of the frame of unloading removes.

Through adopting above-mentioned technical scheme, the setting of mounting panel plays the effect that holds in the palm to liftout subassembly and propulsion assembly, and liftout cylinder and V type tray fixed connection make the liftout cylinder can lift square pipe through V type tray and move to the direction that is close to or keeps away from the feeding frame, and the setting in hole of stepping down can make the liftout cylinder link through slide plate and advancing mechanism to square pipe transfer is to short layer board.

Optionally, the propelling assembly includes a propelling cylinder and a connection lug, the propelling cylinder is disposed on the top surface of the mounting plate, the propelling cylinder is located at one end of the mounting plate, which is far away from the unloading frame, a piston rod of the propelling cylinder faces the unloading frame, the connection lug is mounted on the top surface of the sliding plate, and a tail end of the piston rod of the propelling cylinder is detachably connected with the connection lug.

Through adopting above-mentioned technical scheme, the propulsion cylinder can be dismantled with the connection auricle and be connected, makes the propulsion cylinder can promote the slide plate through the connection auricle and remove to the direction of being close to or keeping away from the frame of unloading to the cooperation liftout cylinder conveys the square pipe on the V type tray to short layer board.

Optionally, the sliding assembly includes two sliding rails and two sliding blocks, the two sliding rails are respectively disposed on the top surface of the mounting plate and located on two sides of the abdicating hole, the two sliding blocks are respectively disposed on the bottom surface of the sliding plate, the two sliding blocks correspond to the two sliding rails, and the two sliding blocks are connected to the two sliding rails corresponding to the two sliding rails.

Through adopting above-mentioned technical scheme, the setting of slider and slide rail plays the effect of connecting and direction to the reciprocal slip of slide plate on the mounting panel.

Optionally, pushing equipment includes the push pedal and pushes away the material cylinder, it set up in to push away the material cylinder the mounting panel top surface, it is located to push away the material cylinder keep away from on the mounting panel the one end of frame of unloading, the piston rod orientation that pushes away the material cylinder the frame of unloading, push away the material cylinder with it sets gradually along square pipe direction of transfer to push away the material cylinder, the piston rod end that pushes away the material cylinder with the push pedal is kept away from the connection can be dismantled to one side of frame of unloading, the mounting panel top surface seted up with the corresponding rectangular shape groove in push pedal position, rectangular shape groove vertically sets up, the vertical setting of push pedal and through the sliding block with rectangular shape groove slides and connects.

By adopting the technical scheme, the pushing cylinder pushes the push plate, and the push plate pushes the square tube on the short supporting plate to the supporting mechanism, so that on one hand, the pushing mode is convenient and efficient, and on the other hand, when the square tube on the supporting mechanism is fully covered with one layer, the push plate is matched with the supporting mechanism to realize the blanking of the supporting mechanism, and the blanking of the supporting mechanism is realized

The sliding block and the elongated groove are arranged to connect and guide the reciprocating sliding of the push plate on the mounting plate.

Optionally, the support mechanism is provided with multiple groups, the multiple groups of support mechanisms are arranged on the discharging rack at intervals, the support mechanism comprises a long support plate and a pushing cylinder, a protective shell is arranged below the mounting plate and on the feeding rack and the discharging rack, the pushing cylinder is installed in the protective shell, a piston rod of the pushing cylinder faces the feeding rack, a vertically-arranged support rod is fixedly connected to the tail end of the piston rod of the pushing cylinder, a stop block is arranged at the bottom of the support rod, which is far away from one side of the discharging rack, a long hole is formed in the top surface of the protective shell, the long hole is vertically arranged and can be passed through by the support rod, the top end of the support rod is vertically fixed with one end, which is close to the feeding rack, of the long support plate, and the long support plate and the short support plate are located on the same horizontal plane.

Through adopting above-mentioned technical scheme, long layer board is in same horizontal plane with short layer board in order to realize smooth and easy linking in square pipe propelling movement, the butt is managed in the side of push pedal and the long layer board, and in this moment, the propelling movement cylinder drives long layer board and removes to the direction that is close to the feeding frame through promoting the bracing piece, thereby make the orderly and orderly the dropping to the receiving mechanism of square pipe on the long layer board on, the setting up of dog can effectively reduce the direct striking protective housing of bracing piece and the damage that receives, and then the life of extension bracing piece.

Optionally, the long supporting plate is provided with a plurality of rollers on both sides of the pushing direction of the pushing mechanism, and the short supporting plate is provided with a plurality of pulleys on both sides of the pushing direction of the pushing mechanism.

Through adopting above-mentioned technical scheme, the setting of gyro wheel and pulley is managed to square and is conveyed predetermined position and play supplementary effect.

Optionally, one side of the long supporting plate, which is far away from the supporting rod, is provided with a limiting block which is obliquely arranged, and the oblique direction of the limiting block is obliquely arranged upwards in the direction far away from the supporting rod.

Through adopting above-mentioned technical scheme, the setting of stopper plays limiting displacement to the square pipe that conveys on the long layer board to the condition that the feeding frame one end was dropped is kept away from long layer board directly to reduction side's pipe takes place.

Optionally, the supporting mechanism is provided with a plurality of groups, a plurality of groups of supporting mechanisms are arranged on the unloading rack at intervals, each supporting mechanism comprises two bearing platforms, two lifting assemblies and a bearing shaft, the two bearing platforms are arranged on two sides of the unloading rack respectively, the lifting assemblies are arranged in each bearing platform, two ends of each bearing shaft are fixedly connected to the two lifting assemblies respectively, each bearing shaft is located below the long supporting plate, each bearing shaft is used for bearing the square pipe which is disassembled from the long supporting plate, and the two lifting assemblies are used for driving each bearing shaft to lift.

Through adopting above-mentioned technical scheme, lifting unit sets up in the accepting platform, under lifting unit's elevating action, will accept the axle and adjust predetermined high position to reduce long layer board and accept the difference in height between the axle, thereby reduce the change range of square pipe at the in-process movement track of blanking, so that make the square pipe more steady and orderly follow long layer board on the blanking to accept epaxially.

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

1. the square pipe is conveyed to a preset position under the conveying action of the conveying mechanism, the square pipe is conveyed to the short supporting plate from the conveying mechanism under the feeding action of the feeding mechanism, then the square pipe positioned on the short supporting plate is pushed by the pushing mechanism, the square pipe is conveyed to the supporting mechanism from the short supporting plate, and the actions are repeated in sequence in the same way;

2. the long supporting plate and the short supporting plate are positioned on the same horizontal plane so as to realize smooth connection in the square pipe pushing process, the pushing plate is abutted against the square pipe on the long supporting plate, meanwhile, the pushing cylinder drives the long supporting plate to move towards the direction close to the feeding rack by pushing the supporting rod, so that the square pipe on the long supporting plate orderly and neatly falls onto the bearing mechanism, and the arrangement of the stop block can effectively reduce the damage caused by the fact that the supporting rod directly impacts the protective shell, thereby prolonging the service life of the supporting rod;

3. the lifting assembly is arranged in the bearing table, and the bearing shaft is adjusted to a preset height position under the lifting action of the lifting assembly so as to reduce the height difference between the long supporting plate and the bearing shaft, thereby reducing the change range of the motion trail of the square pipe in the blanking process, and enabling the square pipe to be more stably and tidily blanked onto the bearing shaft from the long supporting plate.

Drawings

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

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the mounting plate, the feeding mechanism and the pushing mechanism according to the embodiment of the present application.

Fig. 4 is a schematic structural view of a protective shell and a holding mechanism according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a receiving mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a feeding frame; 11. a short pallet; 111. a pulley; 2. a discharge frame; 3. a material conveying mechanism; 4. a feeding mechanism; 41. a material ejecting component; 411. a slide plate; 412. a material ejection cylinder; 413. a V-shaped supporting block; 42. a propulsion assembly; 421. propelling the cylinder; 422. connecting a lug plate; 5. a material pushing mechanism; 51. pushing the plate; 511. connecting the squares; 52. a material pushing cylinder; 6. a support mechanism; 61. a long pallet; 611. a roller; 612. a limiting block; 62. a push cylinder; 7. a carrying mechanism; 71. a receiving table; 72. a lifting assembly; 721. a driving gear; 722. a chain; 723. a driven gear; 724. an upper connecting frame; 725. a lower connecting frame; 726. a drive shaft; 73. a bearing shaft; 8. mounting a plate; 81. a slipping component; 811. a slide rail; 812. a slider; 82. a hole of abdication; 83. a slider; 84. a strip-shaped groove; 9. a protective shell; 91. a strip hole; 10. a support bar; 101. and a stop block.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an automatic discharging device for a stainless steel square tube polishing machine. Referring to fig. 1 and 2, the square tube conveying device comprises a feeding frame 1, a discharging frame 2 is arranged on one side of the feeding frame 1 at intervals, a material conveying mechanism 3 for conveying square tubes along the conveying direction of the square tubes is arranged on the feeding frame 1, a mounting plate 8 which is longitudinally arranged is arranged on the feeding frame 1, a feeding mechanism 4 and a material pushing mechanism 5 are arranged on the top surface of the mounting plate 8, the feeding mechanism 4 and the material pushing mechanism 5 are sequentially arranged along the conveying direction of the square tubes, a plurality of equally-spaced short supporting plates 11 are arranged on one side of the feeding frame 1 close to the discharging frame 2, the feeding mechanism 4 is used for conveying the square tubes conveyed by the material conveying mechanism 3 to the short supporting plates 11, a plurality of pulleys 111 are arranged on two sides of the short supporting plates 11 along the pushing direction of the material pushing mechanism 5, a supporting mechanism 6 and a lifting supporting mechanism 7 are arranged on the discharging frame 2, and the material pushing mechanism 5 is used for pushing the square tubes on the short supporting plates 11 to the supporting mechanism 6, the pushing mechanism 5 is matched with the supporting mechanism 6, so that the square tubes which are arranged on the supporting mechanism 6 in parallel can be smoothly dropped onto the receiving mechanism 7.

Referring to fig. 3, the feeding mechanisms 4 are provided with a plurality of groups, in this embodiment, the specific number of the feeding mechanisms 4 is two, two groups of feeding mechanisms 4 are arranged at intervals, the number of the mounting plates 8 is consistent with that of the feeding mechanisms 4, and the two groups of feeding mechanisms 4 correspond to each other one by one, each feeding mechanism 4 includes a material ejecting assembly 41 and a pushing assembly 42, the top surface of each mounting plate 8 is provided with a longitudinally extending sliding assembly 81, each material ejecting assembly 41 includes a sliding plate 411 which is arranged on the sliding assembly 81 and connected with the sliding assembly 81 in a sliding manner, a material ejecting cylinder 412 which is vertically arranged on the bottom surface of the sliding plate 411, and a V-shaped support block 413 which is arranged on one side of the sliding plate 411 away from the material ejecting cylinder 412 at intervals, the end of a piston rod of the material ejecting cylinder 412 penetrates through the sliding plate 411, the end of the piston rod of the material ejecting cylinder 412 is fixedly connected with the bottom of the V-shaped support block 413, and the mounting plate 8 is provided with a yielding hole 82 through which the material ejecting cylinder 412 passes.

The sliding assembly 81 includes two sliding rails 811 respectively disposed on the top surface of the mounting plate 8 and located at two sides of the yielding hole 82, and two sliding blocks 812 disposed on the bottom surface of the sliding plate 411, where the two sliding blocks 812 respectively correspond to the two sliding rails 811 in position, and the sliding blocks 812 are connected to the corresponding sliding rails 811 in position in a sliding manner.

Referring to fig. 1 and 3, the propulsion assembly 42 includes a propulsion cylinder 421 disposed on the top surface of the mounting plate 8 and a connection tab 422 mounted on the top surface of the sliding plate 411, the propulsion cylinder 421 is located at one end away from the discharging frame 2, a piston rod of the propulsion cylinder 421 faces the discharging frame 2, and an end of the piston rod of the propulsion cylinder 421 is detachably connected to the connection tab 422 to push the sliding plate 411 to move toward or away from the discharging frame 2.

The pushing mechanisms 5 are provided with a plurality of groups, in this embodiment, the specific number of the pushing mechanisms 5 is two, two groups of the pushing mechanisms 5 are arranged at intervals, the number of the pushing mechanisms 5 is consistent with that of the feeding mechanisms 4 and corresponds to one, each pushing mechanism 5 comprises a pushing cylinder 52 arranged on the top surface of the mounting plate 8 and a push plate 51 detachably connected with the tail end of a piston rod of the pushing cylinder 52 through a connecting block 511, the pushing cylinder 52 is located at one end far away from the unloading rack 2, the piston rod of the pushing cylinder 52 faces the unloading rack 2, the pushing cylinder 421 and the pushing cylinder 52 are sequentially arranged along the square pipe conveying direction, the connecting block 511 is arranged on one side of the push plate 51 far away from the unloading rack 2, the position of the top surface of the mounting plate 8 corresponding to the push plate 51 is provided with a long-strip-shaped groove 84, the push plate 51 is vertically arranged and higher than the V-shaped support block 413, and the push plate 51 is connected with the long-strip-shaped groove 84 in a sliding manner through a sliding block 83.

Referring to fig. 1 and 4, the support mechanism 6 is provided with a plurality of groups, in this embodiment, the specific number of the support mechanisms 6 is two, two groups of the support mechanisms 6 are arranged at intervals, the protective housing 9 is arranged below the mounting plate 8 and located on the feeding frame 1 and the discharging frame 2, the support mechanism 6 comprises a long support plate 61 and a pushing cylinder 62 arranged in the protective housing 9, a piston rod of the pushing cylinder 62 faces the feeding frame 1, a support rod 10 vertically arranged is fixedly connected to the end of the piston rod of the pushing cylinder 62, the top end of the support rod 10 is vertically fixed to one end, close to the feeding frame 1, of the long support plate 61, a stop block 101 is arranged at the bottom of one side, away from the discharging frame 2, of the support rod 10, a long hole 91 is formed in the top surface of the protective housing 9, and the long hole 91 is longitudinally arranged and can be passed by the support rod 10.

The long supporting plate 61 and the short supporting plate 11 are in the same horizontal plane, a plurality of rollers 611 are arranged on both sides of the long supporting plate 61 in the pushing direction of the pushing mechanism 5, a limiting block 612 arranged in an inclined manner is arranged on one side of the long supporting plate 61 away from the supporting rod 10, and the inclined direction of the limiting block 612 is arranged in an upward inclined manner in the direction away from the supporting rod 10.

Referring to fig. 1 and 5, the receiving mechanism 7 is provided with a plurality of sets, in this embodiment, the number of the receiving mechanisms 7 is two, the two sets of receiving mechanisms 7 are arranged at intervals, and the receiving mechanism 7 includes two receiving platforms 71 respectively arranged at two sides of the discharging rack 2, a lifting assembly 72 arranged in each receiving platform 71, and a receiving shaft 73 with two opposite ends respectively fixedly connected with the lifting assembly 72.

The lifting assembly 72 comprises a driving gear 721, a driven gear 723 and a chain 722; an upper connecting frame 724 and a lower connecting frame 725 are installed in the receiving table 71, the upper connecting frame 724 and the lower connecting frame 725 are located on the same vertical line, and the upper connecting frame 724 is located above the lower connecting frame 725; a driven gear 723 is mounted on the upper connecting frame 724 and is rotationally connected with the upper connecting frame 724, a driving gear 721 is arranged on the lower connecting frame 725, a transmission shaft 726 is arranged between the two receiving platforms 71, two opposite ends of the transmission shaft 726 respectively penetrate through the two lower connecting frames 725, the transmission shaft 726 is rotationally connected with the lower connecting frames 725, and the two driving gears 721 are fixedly sleeved on the transmission shaft 726; the chain 722 is arranged on a driving gear 721 and a driven gear 723 in the same receiving platform 71, and the driving gear 721 and the driven gear 723 are mutually meshed with the chain 722; the bearing shaft 73 is longitudinally arranged, two ends of one side of the bearing shaft 73 are respectively fixedly connected with the outer sides of the two chains 722, and a motor (not shown in the figure) for driving the transmission shaft 726 to rotate is installed on the transmission shaft 726.

The implementation principle of the automatic discharging device for the stainless steel square tube polishing machine is as follows: the square tube is polished and then conveyed to the material conveying mechanism 1, the piston rod of the material ejecting cylinder 412 drives the V-shaped supporting block 413 to push away from the direction of the sliding plate 411, the piston rod of the air ejecting cylinder 421 drives the sliding plate 411 to push towards the direction close to the discharging rack 2, when the square tube is pushed to the upper side of the short supporting plate 11, the piston rod of the material ejecting cylinder 412 drives the V-shaped supporting block 413 to return towards the direction close to the sliding plate 411, so that the square tube is arranged on the top surface of the short supporting plate 11, the piston rod of the air ejecting cylinder 421 drives the sliding plate 411 to return towards the direction far from the discharging rack 2, then the piston rod of the material ejecting cylinder 52 drives the push plate 51 to push towards the direction close to the discharging rack 2, and the square tube on the short supporting plate 11 is pushed to the long supporting plate 61.

When the square tubes on the supporting mechanism 6 are fully distributed with one layer, the piston rod of the pushing cylinder 62 drives the long supporting plate 61 to push towards the direction close to the feeding rack 1 through the supporting rod 10, meanwhile, the piston rod of the pushing cylinder 52 keeps a pushing state, so that the square tubes on the long supporting plate 61 orderly and tidily drop onto the receiving mechanism 7, when the piston rod of the pushing cylinder 62 drives the long supporting plate 61 to push to the limit towards the direction close to the feeding rack 1 through the supporting rod 10, the lifting component 72 drives the receiving shaft 73 to move towards the direction close to the bottom of the discharging rack 2, finally, the piston rod of the pushing cylinder 62 drives the long supporting plate 61 to return towards the discharging rack 2 through the supporting rod 10, so that the bottom surface of the long supporting plate 61 is attached to the top of the square tubes placed on the receiving shaft 73, and the layered arrangement of the square tubes can be realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic discharging device for stainless steel square pipe burnishing machine which characterized in that: the square pipe conveying device comprises a feeding rack (1), wherein an unloading rack (2) is arranged on one side of the feeding rack (1) at intervals, a material conveying mechanism (3) for conveying square pipes along the square pipe conveying direction is arranged on the feeding rack (1), a feeding mechanism (4) and a material pushing mechanism (5) are further arranged on the feeding rack (1), the feeding mechanism (4) and the material pushing mechanism (5) are sequentially arranged along the square pipe conveying direction, a plurality of equally-spaced short supporting plates (11) are arranged on one side, close to the unloading rack (2), of the feeding rack (1), the feeding mechanism (4) is used for conveying the square pipes conveyed by the material conveying mechanism (3) to the short supporting plates (11), a supporting mechanism (6) and a lifting and supporting mechanism (7) are arranged on the unloading rack (2), and the material pushing mechanism (5) is used for pushing the square pipes on the short supporting plates (11) to the supporting mechanism (6), the pushing mechanism (5) is matched with the supporting mechanism (6) so that the square tubes which are arranged on the supporting mechanism (6) in parallel can smoothly fall onto the bearing mechanism (7).

2. The automatic discharging device for the stainless steel square tube polishing machine according to claim 1, characterized in that: install mounting panel (8) of vertical setting on feeding frame (1), feeding mechanism (4) set up in on mounting panel (8), feeding mechanism (4) are including liftout subassembly (41) and propulsion assembly (42), liftout subassembly (41) are including slide plate (411), liftout cylinder (412) and V type tray (413), mounting panel (8) top surface is provided with vertical extension's slide assembly (81), slide plate (411) pass through slide assembly (81) with mounting panel (8) are slided and are connected, liftout cylinder (412) vertical installation in on the bottom surface of slide plate (411), the piston rod end of liftout cylinder (412) passes slide plate (411), the piston rod end of liftout cylinder (412) with V type tray (413) bottom fixed connection, set up on mounting panel (8) and supply the hole of stepping down (82) that liftout cylinder (412) passed, the propelling component (42) is connected with the sliding plate (411) to push the sliding plate (411) to move towards the direction close to or far away from the discharging rack (2).

3. The automatic discharging device for the stainless steel square tube polishing machine according to claim 2, characterized in that: impel subassembly (42) including impel cylinder (421) and connection auricle (422), impel cylinder (421) set up in mounting panel (8) top surface, impel cylinder (421) are located keep away from on mounting panel (8) the one end of frame of unloading (2), impel the piston rod orientation of cylinder (421) unload frame (2), connection auricle (422) install in slide board (411) top surface, impel the piston rod end of cylinder (421) with connection auricle (422) can be dismantled the connection.

4. The automatic discharging device for the stainless steel square tube polishing machine according to claim 2, characterized in that: slide subassembly (81) include two slide rails (811) and two slider (812), two slide rail (811) set up respectively in mounting panel (8) top surface just is located hole (82) both sides of stepping down, two slider (812) set up in slide board (411) bottom surface, and two slider (812) respectively with two the position of slide rail (811) is corresponding, slider (812) and position are corresponding slide rail (811) slide and connect.

5. The automatic discharging device for the stainless steel square tube polishing machine according to claim 3, characterized in that: the material pushing mechanism (5) comprises a push plate (51) and a material pushing cylinder (52), the material pushing cylinder (52) is arranged on the top surface of the mounting plate (8), the material pushing cylinder (52) is positioned at one end of the mounting plate (8) far away from the discharging rack (2), the piston rod of the pushing cylinder (52) faces the discharging rack (2), the pushing cylinder (421) and the pushing cylinder (52) are sequentially arranged along the square pipe conveying direction, the push plate (51) is vertically arranged, the tail end of a piston rod of the material pushing cylinder (52) is detachably connected with one side of the push plate (51) far away from the discharging rack (2), the top surface of the mounting plate (8) is provided with a strip-shaped groove (84) corresponding to the push plate (51), the long-strip-shaped groove (84) is longitudinally arranged, and the push plate (51) is connected with the long-strip-shaped groove (84) in a sliding mode through a sliding block (83).

6. The automatic discharging device for the stainless steel square tube polishing machine according to claim 2, characterized in that: the supporting mechanism (6) is provided with a plurality of groups, the plurality of groups of supporting mechanisms (6) are arranged on the discharging rack (2) at intervals, the supporting mechanism (6) comprises a long supporting plate (61) and a pushing cylinder (62), a protective shell (9) is arranged below the mounting plate (8) and positioned on the feeding rack (1) and the discharging rack (2), the pushing cylinder (62) is arranged in the protective shell (9), a piston rod of the pushing cylinder (62) faces the feeding rack (1), a vertically arranged supporting rod (10) is fixedly connected to the tail end of the piston rod of the pushing cylinder (62), a stop block (101) is arranged at the bottom of one side of the supporting rod (10) far away from the discharging rack (2), a long hole (91) is formed in the top surface of the protective shell (9), and the long hole (91) is longitudinally arranged and can be penetrated by the supporting rod (10), the top end of the supporting rod (10) is vertically fixed with one end, close to the feeding rack (1), of the long supporting plate (61), and the long supporting plate (61) and the short supporting plate (11) are located on the same horizontal plane.

7. The automatic discharging device for the stainless steel square tube polishing machine according to claim 6, characterized in that: the long supporting plate (61) is arranged on two sides of the pushing direction of the pushing mechanism (5) and is provided with a plurality of rollers (611), and the short supporting plate (11) is arranged on two sides of the pushing direction of the pushing mechanism (5) and is provided with a plurality of pulleys (111).

8. The automatic discharging device for the stainless steel square tube polishing machine according to claim 6, characterized in that: the long supporting plate (61) is far away from one side of the supporting rod (10) and is provided with a limiting block (612) which is obliquely arranged, and the oblique direction of the limiting block (612) is obliquely arranged upwards in the direction far away from the supporting rod (10).

9. The automatic discharging device for the stainless steel square tube polishing machine according to claim 6, characterized in that: receiving mechanism (7) are provided with the multiunit, the multiunit receiving mechanism (7) interval set up in on unloading frame (2), receiving mechanism (7) including accepting axle (73), two and hold platform (71) and two lifting unit (72), two receiving platform (71) set up respectively in the both sides of unloading frame (2), two lifting unit (72) set up respectively in two in holding platform (71), it is two to accept axle (73) both ends respectively fixed connection on two lifting unit (72), accept axle (73) and be located long layer board (61) below, accept axle (73) are used for accepting the square pipe that long layer board (61) was lifted off, two lifting unit (72) are used for the drive accept axle (73) and go up and down.