CN114851086A

CN114851086A - Shot blasting machine

Info

Publication number: CN114851086A
Application number: CN202210485271.5A
Authority: CN
Inventors: 孙春林
Original assignee: Shanghai Jinfan Machinery Casting Co ltd
Current assignee: Shanghai Jinfan Machinery Casting Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-05

Abstract

The application discloses a shot blasting machine, which relates to a shot blasting machine and is convenient for unloading workpieces after shot blasting is finished, and comprises a base and a rotating rod rotatably arranged at the upper end of the base, wherein the base comprises a trisection part provided with a feeding area, a shot blasting area and a discharging area; one end of the connecting rod, which is far away from the rotating rod, is provided with a hanging bracket positioned between two of the shielding doors; the rotating rod is provided with a driving assembly which is used for driving the cross rod to rotate downwards towards the direction close to the base when the rotating rod rotates to the position where the hanging bracket is located in the blanking area, so that the workpiece can slide into the blanking area under the action of self gravity; the rotating rod is provided with a control component which is used for driving the limiting block to rotate to a position lower than the lapping surface of the cross rod and the workpiece when the rotating rod rotates to a position where the hanging bracket is positioned in the blanking area; the control assembly is controlled by the driving assembly. This application can conveniently unload the work piece that the ball was accomplished to throwing, plays the effect of practicing thrift the human cost.

Description

Shot blasting machine

Technical Field

The application relates to a shot blasting machine, in particular to a shot blasting machine.

Background

The shot blasting machine is a device for cleaning shots, because a plurality of workpieces which come from the production immediately have bonded sand and oxide skin, the workpieces need to be cleaned by the shot blasting machine to meet the production requirements, and therefore, the shot blasting machine is widely applied to steel structure manufacturing enterprises.

Shot blasting machine in the correlation technique, including throwing the ball case, the both sides of throwing the ball case all are equipped with the peening ware, the peening ware is used for throwing the ball to the work piece jet to sand sticking and cinder above the work piece are got rid of, it is provided with the gallows that is used for placing the work piece to throw the ball incasement, the gallows is including setting up the pole setting in throwing the ball case to and a plurality of sets up and is used for supplying the lapped horizontal pole of work piece along pole setting direction of height interval, be provided with the stopper that a plurality of is used for preventing work piece and horizontal pole to break away from mutually on the horizontal pole perpendicularly.

The inventor thinks that: when the shot blasting of the workpiece is finished, the workpiece on the cross rod needs to be lifted one by one to a height higher than the limiting block, and then the workpiece is taken down one by one, so that the workpiece unloading is time-consuming, and the improvement space is provided.

Disclosure of Invention

In order to conveniently unload the workpiece after the shot blasting, the shot blasting machine is provided.

The application provides a shot blasting machine adopts following technical scheme:

a shot blasting machine comprises a base and a rotating rod rotatably arranged at the upper end of the base, wherein the base comprises a feeding area, a shot blasting area and a discharging area which are arranged in a trisection manner; a top plate is arranged at one end of the rotating rod, which is far away from the base, and a driving motor for driving the rotating rod to rotate is arranged on the base; three shielding doors are circumferentially distributed on the periphery of the rotating rod in an array manner, one side of the shot blasting area is provided with a shot blasting chamber, and shot blasting devices are arranged in the shot blasting chamber; a connecting rod is arranged at one end of the rotating rod, which is far away from the base, and a hanging bracket positioned between two shielding doors is arranged at one end of the connecting rod, which is far away from the rotating rod;

when the rotating rod rotates to the position that the hanger is located in the shot blasting area, a closed structure is formed among the two blocking doors, the top plate, the blanking area and the shot blasting chamber, so that the shot blasting machine can perform shot blasting on the workpiece on the hanger;

the hanger comprises a vertical rod rotationally connected with a connecting rod and a plurality of lapping groups arranged at equal intervals along the axial direction of the vertical rod, each lapping group comprises two cross rods arranged on the peripheral side of the vertical rod, the two cross rods are arranged in a collinear manner and used for lapping workpieces, and a plurality of limiting blocks used for limiting the workpieces to be separated from the cross rods are arranged on the cross rods;

the rotating rod is provided with a driving assembly which is used for driving the cross rod to rotate downwards towards the direction close to the base when the rotating rod rotates to the position where the hanging bracket is located in the blanking area, so that the workpiece can slide into the blanking area under the action of self gravity; the rotating rod is provided with a control component which is used for driving the limiting block to rotate to a position lower than the lapping surface of the cross rod and the workpiece when the rotating rod rotates to a position where the hanging bracket is positioned in the blanking area; the control assembly is controlled by the driving assembly.

Through adopting above-mentioned technical scheme, when the work piece on the gallows throws the ball and finishes and get into the unloading district, under drive assembly's effect, the horizontal pole orientation is close to the base direction and rotates downwards, meanwhile because control assembly is controlled by drive assembly for at this in-process, the stopper also rotates in step to being less than the faying surface of horizontal pole and work piece, make the work piece can be close to the base direction and slide downwards and break away from mutually with the horizontal pole in orientation under the effect of self gravity, can accomplish the unloading to the work piece, the process is comparatively simple and convenient.

Optionally, the driving assembly comprises a first transmission gear fixedly connected to the upright rod, and a second transmission gear is rotatably connected to the lower end of the first transmission gear; two opposite sides of the vertical rod are rotatably connected with driving rods, driven gears meshed with the second transmission gears are fixedly connected to the driving rods, and the driving rods are located between the two cross rods; a plurality of worms are arranged on the driving rod, and worm wheels meshed with the worms are arranged at the rotating centers of the cross rod and the vertical rod; the driving assembly further comprises a first sector gear fixedly connected to one end, far away from the base, of the rotating rod, the first sector gear is meshed with the first transmission gear, and when the hanging bracket is located in the blanking area, the first sector gear is meshed with the first transmission gear so as to drive the second transmission gear to be meshed with the driven gear.

Through adopting above-mentioned technical scheme, when the bull stick passes through the connecting rod and drives the pole setting and remove to getting into the unloading zone time, first sector tooth meshes with first drive gear, orders about second drive gear and driven gear mesh mutually, orders about the actuating lever then and takes place to rotate for worm and worm wheel mesh, drive worm wheel take place to rotate, thereby makes the horizontal pole can be towards being close to the downward rotation of base direction.

Optionally, the driving assembly further includes a second sector gear rotatably connected to one end of the rotating rod away from the base, and a reset member is disposed between the first sector gear and the second sector gear; when the gallows is located throwing ball district or material loading district, first drive gear and the meshing of second fan tooth make first drive gear not take place to rotate, when first fan tooth and the meshing of first drive gear, the piece that resets can reset second fan tooth.

Through adopting above-mentioned technical scheme, when the bull stick passes through the connecting rod and drives the pole setting and remove to material loading district or throw the ball zone time, first drive gear and the meshing of second fan tooth, and frictional resistance between the two is great for first drive gear can not take place to rotate, can normally throw the ball in order to guarantee the work piece on the gallows. When the rotating rod drives the vertical rod to enter the blanking area, the first transmission gear is separated from the second sector gear, the second sector gear is reset under the action of the reset piece, and meanwhile, the first transmission gear is meshed with the first sector gear.

Optionally, a limiting ring coaxial with the rotating rod is arranged on the first sector gear, a sliding round hole for the limiting ring to penetrate is formed in the second sector gear, the reset piece is a tension spring sleeved on the outer peripheral side of the limiting ring, one end of the tension spring is fixedly connected with the first sector gear, and the other end of the tension spring is fixedly connected with the second sector gear; the first sector gear is provided with a positioning block, and when the second sector gear is reset, the second sector gear is abutted against one end, far away from the first sector gear, of the positioning block.

Through adopting above-mentioned technical scheme, adopt the extension spring as the piece that resets, have simple structure, the stable advantage of atress.

Optionally, the limiting block is rotatably connected with one side of the cross bar, which is far away from the overlapping surface, the control assembly comprises a plurality of winding rollers arranged on the driving rod, the winding rollers are provided with a plurality of winding rollers, a blanking rope is wound on the winding rollers, and one end of the blanking rope, which is far away from the winding rollers, is fixedly connected with one side of the limiting block, which is far away from the cross bar; when the driven gear drives the driving rod to rotate, the winding roller releases the blanking rope so as to drive the limiting block to rotate to be lower than the lapping surface of the cross rod; the control assembly comprises a reset piece for winding the blanking rope.

Through adopting above-mentioned technical scheme, when driven gear rotates and drives the worm and rotate, the worm orders about the worm wheel and rotates to make the horizontal pole orientation be close to the base direction and rotate, meanwhile, the winding roll also releases the unloading rope in step, and the work piece extrudees the stopper under the effect of self gravity, makes the stopper rotate to being less than the horizontal pole faying surface.

Optionally, both sides that the actuating lever is relative all are provided with the mounting box, the mounting box is hollow structure, the actuating lever rotates to be connected in the mounting box, offer the play rope hole that is used for supplying the unloading rope to stretch out on the mounting box.

Through adopting above-mentioned technical scheme, the setting of mounting box can reduce the influence of throwing the ball to the actuating lever when throwing the ball.

Optionally, a control motor for driving the vertical rod to rotate is arranged on the connecting rod; a connecting ring is arranged at the lower end of the first transmission gear, the second transmission gear is rotationally connected to the outer peripheral side of the connecting ring, an inner ratchet is arranged on the inner ring of the second transmission gear, and a pawl used for abutting against the inner ratchet is rotationally connected to the outer peripheral side of the connecting ring; an elastic piece used for keeping the pawl to be abutted against the inner ratchet is arranged between the connecting circular ring and the second transmission gear; when the first transmission gear is meshed with the first sector gear, the inner ratchet can drive the pawl to rotate, so that the first transmission gear drives the second transmission gear to rotate.

Through adopting above-mentioned technical scheme, when the gallows is in the shot-blasting district, the start control motor, control motor drive pole setting takes place to rotate, because the setting of interior ratchet and pawl for when the pole setting rotates, second drive gear, driven gear and pole setting take place to rotate as a whole, and first drive gear can not take place to rotate in step. When the hanging bracket is positioned in the blanking area, the first transmission gear is meshed with the first sector gear, and the inner ratchet can drive the pawl to rotate, so that the first transmission gear drives the second transmission gear to rotate.

Optionally, a blanking cavity is formed in the blanking area, a blanking frame used for bearing a workpiece is connected in the blanking cavity in a sliding mode, and a blanking opening communicated with the blanking cavity and used for allowing the blanking frame to slide out is formed in one side of the blanking area

Through adopting above-mentioned technical scheme, the setting of unloading frame can accept the work piece that the shot-blast was finished to the convenience is collected the work piece.

In summary, the present application includes at least one of the following benefits:

1. the shot blasting machine can conveniently unload the shot blasting-finished workpiece, and has the effect of saving the labor cost;

2. through the setting of unloading frame, can conveniently collect the work piece.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic structural view of the blanking area in the present embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2 of the present embodiment;

FIG. 4 is a schematic cross-sectional view of the pawl embodying this embodiment;

FIG. 5 is a schematic cross-sectional view of the present embodiment embodying a coil spring;

fig. 6 is an enlarged schematic view of the embodiment at B in fig. 4.

Description of reference numerals:

1. a base; 101. a feeding area; 102. a shot blasting area; 103. a blanking area; 2. a rotating rod; 3. a top plate; 4. a drive motor; 5. a drive assembly; 51. a first drive gear; 52. a second transmission gear; 53. a first sector gear; 54. a second sector gear; 6. a control component; 61. a winding roll; 62. blanking ropes; 63. a butting block; 7. a coil spring; 8. a workpiece; 9. a hanger; 91. erecting a rod; 92. a lap joint group; 921. a cross bar; 93. a limiting block; 10. a shot blasting chamber; 11. a resistance increasing member; 12. a shutter door; 13. a connecting rod; 14. connecting the circular rings; 15. a support ring; 16. controlling the motor; 17. an inner ratchet; 18. a pawl; 19. an elastic member; 20. mounting a box; 201. a hole of abdication; 21. a worm gear; 22. a worm; 23. a drive rod; 24. a driven gear; 25. a tension spring; 26. a hinge plate; 261. sliding the round hole; 27. a blanking frame; 28. a hinged seat; 29. a blanking cavity; 30. a feeding port; 31. a limiting ring; 32. a bump; 33. positioning a block; 34. a vertical plate; 35. a transverse plate; 36. and (7) mounting the plate.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses shot blasting machine. Referring to fig. 1 and 2, the shot blasting machine comprises a base 1 and a rotating rod 2 which is rotatably connected to the upper end of the base 1, wherein the base 1 is of a disc structure, a bearing is embedded in the circle center of the upper end of the base 1, and the rotating rod 2 is rotatably connected with the base 1 through the bearing. The bull stick 2 is the round bar, 2 upper ends fixedly connected with roofs 3 of bull stick, and roof 3 is discoid structure to roof 3 sets up with 2 coaxial settings of bull stick.

Referring to fig. 2 and 3, two vertical plates 34 are fixedly disposed on the outer periphery of the base 1, and a transverse plate 35 is fixedly connected between the two vertical plates 34. The transverse plate 35 is positioned above the top plate 3, and the driving motor 4 is installed in the middle of the transverse plate 35 through bolts. An output shaft of the driving motor 4 is fixedly connected with the rotating rod 2. The periphery of the rotating rod 2 is fixedly connected with three shielding doors 12, the shielding doors 12 are of a square structure, and the three shielding doors 12 are distributed on the periphery of the rotating rod 2 in a circumferential array mode.

Referring to fig. 3 and 4, a connecting rod 13 is arranged at one end of the rotating rod 2, which is far away from the base 1, and the rotating rod 2 and the connecting rod 13 are rotatably connected through a bearing. Connecting rod 13 is square pole column structure, and connecting rod 13 keeps away from 2 one ends of bull stick and is provided with gallows 9, and gallows 9 is located wherein two and hides between door 12, and gallows 9 is used for taking and hangs a plurality of work piece 8 of treating the ball.

Referring to fig. 1 and 2, the base 1 includes a material loading area 101, a shot blasting area 102 and a material unloading area 103. A shot blasting chamber 10 is arranged on one side of the shot blasting area 102, the shot blasting chamber 10 is of a frame-shaped structure with an opening facing one side of the rotating rod 2, and a shot blasting machine is arranged on the inner side wall of the shot blasting chamber 10. During operation, when the driving motor 4 drives the rotating rod 2 to rotate, the moving path of the hanger 9 is from the feeding area 101 to the shot blasting area 102, and finally to the discharging area 103.

Referring to fig. 4 and 5, the hanger 9 includes a vertical rod 91 rotatably connected to the connecting rod 13, and the vertical rod 91 has a round rod-shaped structure. The connecting rod 13 is provided with a rotating hole, and the vertical rod 91 can rotate in the rotating hole. The rotating hole is provided with a resistance increasing piece 11 for increasing the friction force between the vertical rod 91 and the wall of the rotating hole. In this embodiment, increase and hinder piece 11 and be the cushion of fixed connection on rotating the hole pore wall, the cushion is the ring structure, and the setting up of cushion makes pole setting 91 need great power just can take place to rotate, increases and hinders 11 also can be that a plurality of is the antislip strip of circumference array distribution on rotating the hole pore wall in other embodiments, and the antislip strip is used for offseting with pole setting 91 periphery side.

Referring to fig. 4, hanger 9 still includes a plurality of overlap joint group 92 along pole setting 91 axis direction equidistant setting, and overlap joint group 92 includes that two rotate to connect in the horizontal pole 921 of pole setting 91 periphery side, and horizontal pole 921 is square structure, and horizontal pole 921 is connected with the rotation of pole setting 91 through the mode realization of axle hinged, and horizontal pole 921 length direction equidistant is provided with a plurality of stopper 93.

Drive bull stick 2 and rotate as driving motor 4 to make gallows 9 rotate to throwing ball district 102 from material loading district 101, two horizontal poles 921 collineation sets up, and horizontal pole 921 can supply the overlap joint of work piece 8 to use this moment, and stopper 93 is in the position that is higher than horizontal pole 921 faying surface this moment, can restrict work piece 8 and horizontal pole 921 and break away from mutually.

When the driving motor 4 drives the rotating rod 2 to rotate, the hanging bracket 9 is positioned in the blanking area 103. The horizontal pole 921 can be towards being close to the downward rotation of base 1 direction, and stopper 93 can keep away from pole setting 91 direction and rotate downwards to being less than the cross-section 921 faying surface simultaneously to make the work piece 8 that the shot-blasting finished, can be under the effect of self gravity, glide to unloading district 103, in order to accomplish unloading to work piece 8.

Referring to fig. 3, a driving assembly 5 is provided on the rotation lever 2. Specifically, the driving assembly 5 includes a first transmission gear 51 fixedly connected to one end of the vertical rod 91 far away from the base 1, and a second transmission gear 52 is disposed at a lower end of the first transmission gear 51. The lower end of the first transmission gear 51 is fixedly connected with a connecting ring 14, one end of the connecting ring 14 far away from the first transmission gear 51 is fixedly connected with a supporting ring 15, and the supporting ring 15 is used for supporting the second transmission gear 52.

Referring to fig. 3 and 4, one end of the connecting rod 13, which is far away from the rotating rod 2, is vertically and fixedly connected with a mounting plate 36, a control motor 16 for controlling the rotation of the vertical rod 91 is mounted on the mounting plate 36, and an output shaft of the control motor 16 is fixedly connected with the vertical rod 91.

Referring to fig. 6, the supporting ring 15 is protruded with a protrusion 32 for abutting against the inner ring of the second transmission gear 52, so that a gap is left between the connecting ring 14 and the inner ring of the second transmission gear 52, which enables the first transmission gear 51 and the second transmission gear 52 to rotate relatively. An inner ratchet 17 is fixedly connected to the inner ring of the second transmission gear 52, and a pawl 18 which is used for abutting against the inner ratchet 17 is rotatably connected to the connecting ring 14.

Referring to fig. 6, an elastic member 19 is disposed between the connection ring 14 and the second transmission gear 52. In this embodiment, the elastic member 19 is a metal elastic sheet, one end of the metal elastic sheet is fixedly connected to the outer peripheral side of the connecting ring 14, and the other end of the metal elastic sheet abuts against the pawl 18, so that the pawl 18 always abuts against the inner ratchet 17.

The driving motor 4 drives the rotating rod 2 to rotate, the connecting rod 13 can drive the vertical rod 91 to move into the shot blasting area 102, two blocking doors 12, the top plate 3, a closed structure is formed between the discharging area 103 and the shot blasting chamber 10, the control motor 16 is started at the moment, the control motor 16 drives the vertical rod 91 to rotate, the shot blasting machine can perform uniform shot blasting on the workpiece 8, and at the moment, due to the effect of the inner ratchet 17 and the pawl 18, the first transmission gear 51 cannot be driven to rotate by the rotation of the second transmission gear 52.

Referring to fig. 4 and 5, the two opposite sides of the upright post 91 are fixedly connected with a mounting box 20 having a hollow structure, the mounting box 20 is located between the two cross bars 921, and the mounting box 20 is mounted on the upright post 91 by splicing. The driving rod 23 is rotatably connected between two opposite inner walls of the mounting box 20, and the driving rod 23 is parallel to the axial direction of the vertical rod 91.

Referring to fig. 4, the cross bar 921 is rotatably connected to the vertical rod 91 through a rotating shaft, a worm wheel 21 is fixedly sleeved on the outer peripheral side of the rotating shaft, and a plurality of worms 22 engaged with the worm wheel 21 are equidistantly arranged on the driving rod 23. The side wall of the mounting box 20 is provided with a yielding hole 201 communicated with the inner cavity, and the yielding hole 201 is used for enabling the worm wheel 21 to extend into the mounting box 20 and to be meshed with the worm 22.

Referring to fig. 2 and 4, a driven gear 24 is fixedly connected to the upper end of the driving rod 23, and the driven gear 24 is used for being meshed with the second transmission gear 52. The driving assembly 5 further comprises a first sector gear 53 fixedly connected to an end of the rotating rod 2 remote from the base 1. When the hanger 9 moves to the blanking area 103, the first sector teeth 53 are engaged with the first transmission teeth, so that the inner ratchet 17 drives the pawl 18 to rotate, and then drives the first transmission gear 51 to be engaged with the driven gear 24, and drives the worm 22 to rotate and drive the worm wheel 21 to rotate, so that the cross bar 921 rotates downward toward the direction close to the base 1.

Referring to fig. 3, the driving assembly 5 further includes a second sector gear 54 rotatably connected to an end of the rotating rod 2 away from the base 1, wherein the second sector gear 54 is located at the same horizontal plane as the first sector gear 53. One end of the rotation center of the second sector gear 54 is fixedly connected with a hinged plate 26, and a bearing for rotationally connecting with the rotating rod 2 is embedded on the hinged plate 26.

Referring to fig. 3, the first sector gear 53 is fixedly provided with a limit ring 31, the hinge plate 26 is provided with a sliding circular hole 261, and the limit ring 31 is slidably inserted into the sliding circular hole 261. A reset piece is arranged between the first sector gear 53 and the second sector gear 54. Specifically, the reset piece is a tension spring 25 sleeved on the outer periphery of the limit ring 31, one end of the tension spring 25 is fixedly connected with the first sector gear 53, and the other end of the tension spring is fixedly connected with the edge of the sliding round hole 261.

Referring to fig. 3, the first sector gear 53 is fixedly connected with a positioning block 33, and the positioning block 33 is in a triangle-like structure. When the tension spring 25 is in a natural state, the second sector gear 54 abuts against one end of the positioning block 33 far away from the first sector gear 53, so that the first sector gear 53 and the second sector gear 54 are engaged.

When the rotating rod 2 rotates to drive the hanging bracket 9 to move from the feeding area 101 to the shot blasting area 102, the first transmission gear 51 is meshed with the second sector gear 54, the frictional resistance between the first transmission gear 51 and the second sector gear can overcome the elastic force of the tension spring 25, and due to the arrangement of the elastic pad, the first transmission gear 51 can drive the second sector gear 54 to rotate under the condition that the rotation does not occur.

When the hanging bracket 9 rotates to the blanking area 103, the first transmission gear 51 is disengaged from the second sector gear 54, and the first transmission gear 51 is engaged with the first sector gear 53, so that the first transmission gear 51 can rotate and drive the second transmission gear 52 to rotate, and the second transmission gear 52 is driven to be engaged with the driven gear 24, and meanwhile, under the action of the tension spring 25, the limiting ring 31 can be pulled to slide in the sliding circular hole 261, so that the second sector gear 54 rotates towards the direction close to the first sector gear 53 until the second sector gear 54 abuts against the positioning block 33, and thus the resetting of the second sector gear 54 is completed.

Referring to fig. 4, the cross bar 921 is far away from the hinged surface one side fixedly connected with a plurality of hinged seats 28, the hinged seats 28 are in one-to-one correspondence with the limiting blocks 93, and the limiting blocks 93 are rotatably connected with the hinged seats 28. The rotating rod 2 is provided with a control assembly 6. Specifically, the control assembly 6 includes a plurality of winding rollers 61 disposed on the driving rod 23, and the number of the winding rollers 61 corresponds to the number of the lap groups 92.

Referring to fig. 4, the winding roll 61 is wound with the blanking rope 62, the mounting box 20 is provided with a rope outlet, the blanking rope 62 extends out of the mounting box 20 through the rope outlet, and one end of the blanking rope 62 extending out of the rope outlet is fixedly connected with one end of the limiting block 93 far away from the cross bar 921.

Referring to fig. 4, the two opposite sides of the cross bar 921 are both provided with the abutting blocks 63, and when the limiting block 93 rotates to abut against the abutting blocks 63, the limiting block 93 is perpendicular to the abutting surfaces of the cross bar 921. Under the condition of not being influenced by external force, the blanking rope 62 is tightened, so that the limiting block 93 keeps a state of abutting against the abutting block 63.

Referring to fig. 5, the control assembly 6 further includes a reset member. Specifically, the reset piece is a coil spring 7 arranged between the driving rod 23 and the inner wall of the mounting box 20, one end of the coil spring 7 is in interference fit with the inner wall of the mounting box 20, and the other end of the coil spring is in interference fit with the driving rod 23.

When first drive gear 51 and first sector tooth 53 meshing, first drive gear 51 drives second drive gear 52 in step and rotates, order to order about second drive gear 52 and driven gear 24 meshing then, drive actuating lever 23 thereupon and take place to rotate, make spiral roll 61 release unloading rope 62, because horizontal pole 921 orientation is close to base 1 orientation and rotates downwards, make work piece 8 under the effect of self gravity, have the orientation and be close to the trend that base 1 orientation slided downwards, work piece 8 extrusion stopper 93, make stopper 93 rotate downwards to being less than horizontal pole 921 faying surface, thereby make work piece 8 can break away from mutually with horizontal pole 921, thereby accomplish the unloading to work piece 8.

In addition, due to the arrangement of the positioning block 33, a gap is left between the first sector gear 53 and the second sector gear 54, when the hanger 9 moves from the feeding area 103 to the feeding area 101, the first transmission gear 51 is disengaged from the first sector gear 53, the driving rod 23 rotates under the action of the coil spring 7, and drives the winding roller 61 to wind the feeding rope 62, and the limiting block 93 is pulled to rotate towards the direction close to the abutting block 63 to abut against the abutting block 63, so that the resetting of the limiting block 93 is completed.

Referring to fig. 2, the blanking area 103 is provided with a blanking cavity 29, a blanking frame 27 is slidably connected in the blanking cavity 29, the blanking frame 27 is in a frame-shaped structure, and the blanking frame 27 is used for receiving the shot-blasted workpiece 8. One side of the blanking area 103 is provided with a blanking port 30 communicated with the blanking cavity 29. When the hanger 9 is in the blanking area 103, the workpieces 8 separated from the cross bar 921 can enter the blanking frame 27 through the blanking cavity 29, and then the blanking frame 27 bearing the workpieces 8 is drawn out from the blanking port 30, so that the workpieces 8 can be collected.

The implementation principle of the shot blasting machine in the embodiment of the application is as follows:

before the shot blasting, a plurality of workpieces 8 are sequentially abutted against the hanger 9, then the driving motor 4 is started, the driving motor 4 drives the rotating rod 2 to rotate, so that the first driving gear 51 is meshed with the second sector gear 54, at the moment, under the friction resistance between the first driving gear 51 and the second sector gear 54 and the action of the elastic pad, the first driving gear 51 drives the second sector gear 54 to move under the condition of no rotation, the first driving gear and the second sector gear are kept relatively static, when the rotating rod 2 drives the hanger 9 to move into the blanking area 103, the first driving gear 51 is meshed with the first sector gear 53 to drive the second driving gear 52 to rotate, then the second driving gear 52 is meshed with the driven gear 24, the driven gear 24 drives the driving rod 23 to rotate, the worm 22 is meshed with the worm wheel 21, so that the cross rod 921 rotates downwards towards the direction close to the base 1, and the winding roller 61 releases the blanking rope 62, so that the workpiece 8 is extruded and slides away from the limit block 93 under the action of the gravity of the workpiece 8, and then is separated from the cross bar 921 and falls into the blanking area 103, and the unloading of the workpiece 8 can be completed.

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 a shot blasting machine which characterized in that: the shot blasting machine comprises a base (1) and a rotating rod (2) rotatably arranged at the upper end of the base (1), wherein the base (1) comprises a feeding area (101), a shot blasting area (102) and a discharging area (103) which are arranged in three equal parts; a top plate (3) is arranged at one end of the rotating rod (2) far away from the base (1), and a driving motor (4) for driving the rotating rod (2) to rotate is arranged on the base (1); three shielding doors (12) are circumferentially distributed on the periphery of the rotating rod (2) in an array manner, a shot blasting chamber (10) is arranged on one side of the shot blasting area (102), and shot blasting devices are arranged in the shot blasting chamber (10); a connecting rod (13) is arranged at one end of the rotating rod (2) far away from the base (1), and a hanging bracket (9) positioned between two of the blocking doors (12) is arranged at one end of the connecting rod (13) far away from the rotating rod (2);

when the rotating rod (2) rotates to the position that the hanger (9) is positioned in the shot blasting area (102), a closed structure is formed among the two blocking doors (12), the top plate (3), the blanking area (103) and the shot blasting chamber (10), so that shot blasting can be performed on a workpiece (8) on the hanger (9) by the shot blasting machine;

the hanger (9) comprises a vertical rod (91) rotatably connected with the connecting rod (13) and a plurality of overlapping groups (92) arranged at equal intervals along the axial direction of the vertical rod (91), each overlapping group (92) comprises two cross rods (921) arranged on the outer peripheral side of the vertical rod (91), the two cross rods (921) are arranged in a collinear manner, the cross rods (921) are used for overlapping workpieces (8), and a plurality of limiting blocks (93) used for limiting the workpieces (8) to be separated from the cross rods (921) are arranged on the cross rods (921);

the rotating rod (2) is provided with a driving assembly (5) which is used for driving the cross rod (921) to rotate downwards towards the direction close to the base (1) when the rotating rod (2) rotates to the state that the hanging bracket (9) is positioned in the blanking area (103), so that the workpiece (8) can slide into the blanking area (103) under the action of self gravity; the rotating rod (2) is provided with a control assembly (6) which is used for driving the limiting block (93) to rotate to a position lower than the lapping surface of the cross rod (921) and the workpiece (8) when the rotating rod (2) rotates to the position where the hanging bracket (9) is positioned in the blanking area (103); the control assembly (6) is controlled by the driving assembly (5).

2. A blast cleaning machine according to claim 1, characterized in that: the driving assembly (5) comprises a first transmission gear (51) fixedly connected to the vertical rod (91), and the lower end of the first transmission gear (51) is rotatably connected with a second transmission gear (52); the two opposite sides of the vertical rod (91) are rotatably connected with driving rods (23), driven gears (24) meshed with the second transmission gears (52) are fixedly connected onto the driving rods (23), and the driving rods (23) are located between the two cross rods (921); a plurality of worms (22) are arranged on the driving rod (23), and worm wheels (21) meshed with the worms (22) are arranged at the rotating centers of the cross bar (921) and the vertical rod (91); the driving assembly (5) further comprises a first sector gear (53) fixedly connected to one end, far away from the base (1), of the rotating rod (2), the first sector gear (53) is meshed with the first transmission gear (51), and when the hanging bracket (9) is located in the blanking area (103), the first sector gear (53) is meshed with the first transmission gear (51) so as to drive the second transmission gear (52) to be meshed with the driven gear (24).

3. A blast cleaning machine according to claim 2, characterized in that: the driving assembly (5) further comprises a second sector gear (54) which is rotatably connected to one end, far away from the base (1), of the rotating rod (2), and a reset piece is arranged between the first sector gear (53) and the second sector gear (54); when the hanging bracket (9) is located in the shot blasting area (102) or the feeding area (101), the first transmission gear (51) is meshed with the second sector gear (54), so that the first transmission gear (51) does not rotate, and when the first sector gear (53) is meshed with the first transmission gear (51), the reset piece can reset the second sector gear (54).

4. A blast cleaning machine according to claim 3, characterized in that: the first sector gear (53) is provided with a limiting circular ring (31) which is coaxial with the rotating rod (2), the second sector gear (54) is provided with a sliding circular hole (261) through which the limiting circular ring (31) can rotate, the reset piece is a tension spring (25) sleeved on the outer peripheral side of the limiting circular ring, one end of the tension spring (25) is fixedly connected with the first sector gear (53), and the other end of the tension spring is fixedly connected with the second sector gear (54); the first sector gear (53) is provided with a positioning block (33), and when the second sector gear (54) is reset, the second sector gear (54) is abutted against one end, far away from the first sector gear (53), of the positioning block (33).

5. A blast cleaning machine according to claim 2, characterized in that: the limiting block (93) is rotatably connected with one side, away from the lapping surface, of the cross rod (921), the control assembly (6) comprises a plurality of winding rollers (61) arranged on the driving rod (23), the winding rollers are provided with a plurality of winding rollers (61), a blanking rope (62) is wound on the winding rollers (61), and one end, away from the winding rollers (61), of the blanking rope (62) is fixedly connected with one side, away from the cross rod (921), of the limiting block (93); when the driven gear (24) drives the driving rod (23) to rotate, the winding roller (61) releases the blanking rope (62) so as to drive the limiting block (93) to rotate to be lower than the lapping surface of the cross bar (921); the control assembly (6) comprises a reset piece for winding the blanking rope (62).

6. A shot-blasting machine according to claim 5, characterized in that: the utility model discloses a blanking rope, including actuating lever (23), mounting box (20) are hollow structure, actuating lever (23) rotate to be connected in mounting box (20), offer on mounting box (20) and be used for supplying the play rope hole that unloading rope (62) stretched out.

7. A blast cleaning machine according to claim 2, characterized in that: the connecting rod (13) is provided with a control motor (16) for driving the vertical rod (91) to rotate; a connecting circular ring (14) is arranged at the lower end of the first transmission gear (51), the second transmission gear (52) is rotationally connected to the outer peripheral side of the connecting circular ring (14), an inner ratchet (17) is arranged on the inner ring of the second transmission gear (52), and a pawl (18) which is used for abutting against the inner ratchet (17) is rotationally connected to the outer peripheral side of the connecting circular ring (14); an elastic piece (19) used for keeping the pawl (18) against the inner ratchet (17) is arranged between the connecting circular ring (14) and the second transmission gear (52); when the first transmission gear (51) is meshed with the first sector gear (53), the inner ratchet (17) can drive the pawl (18) to rotate, so that the first transmission gear (51) drives the second transmission gear (52) to rotate.

8. The blast cleaning machine of claim 1, wherein: unloading chamber (29) have been seted up in unloading district (103), unloading chamber (29) sliding connection has unloading frame (27) that are used for accepting work piece (8), unloading district (103) one side is seted up and is linked together and be used for supplying unloading frame (27) feed opening (30) of roll-off with unloading chamber (29).