CN114505736A

CN114505736A - Shaft grinding and feeding device

Info

Publication number: CN114505736A
Application number: CN202210280380.3A
Authority: CN
Inventors: 李伟强; 梁方泽
Original assignee: Yuhuan Zhengda Machinery Co ltd
Current assignee: Yuhuan Zhengda Machinery Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-05-17
Anticipated expiration: 2042-03-22
Also published as: CN114505736B

Abstract

The utility model relates to an axle type grinding feed arrangement, including transmission band, detection device and automatic feeding device, automatic feeding device includes driving piece one, goes up workbin, deflector, hang plate and kicking block, the deflector is fixed on last workbin, the kicking block is located one side that the transmission band was kept away from to the deflector, the kicking block is along vertical direction sliding connection on one side lateral wall that last workbin is close to the deflector, a driving piece drive kicking block slides, the hang plate is fixed on last workbin inner wall, detection device is used for detecting the work piece condition on the transmission band. The operating personnel places many work pieces on the hang plate, and the work piece can roll to the kicking block towards one side of kicking block in proper order, and when detection device detected that there was not the work piece at the back of the work piece of centerless grinding processing, driving piece drive kicking block was with work piece jack-up, and the work piece rolls to the deflector under the effect on inclined plane, rolls again to the conveyer belt to realize the automatic feeding of work piece, alleviate operating personnel's operation burden.

Description

Shaft grinding and feeding device

Technical Field

The application relates to the field of feeding devices, in particular to a shaft grinding and feeding device.

Background

Centerless grinding is also called centerless grinding and is one type of grinding processing. The grinding wheel is provided with a guide wheel and a grinding wheel, the guide wheel drives the cylindrical workpiece to rotate on the sizing block, and the grinding wheel has a grinding effect on the workpiece.

As shown in fig. 1, a shaft grinding feeding device in the related art includes a frame 1 and a transportation device 4, where the transportation device 4 includes a first motor 41, a driving roller 42, a driven roller 43 and a transmission belt 44, the driving roller 42 and the driven roller 43 are both rotatably connected to the frame 1, the axial directions of the driving roller 42 and the driven roller 43 are parallel to each other, the first motor 41 is fixed on the frame 1, an output shaft of the first motor 41 is coaxially and fixedly connected to the driving roller 42, and the transmission belt 44 is wound around the driving roller 42 and the driven roller 43.

Centerless grinder 3 sets up on the transmission path of transmission band 44, and operating personnel places cylindrical workpiece 7 on transmission band 44, and first motor 41 drive transmission band 44 transports, and cylindrical workpiece 7 can be transported to centerless grinder 3 department in proper order automatically and process, and in order to improve production efficiency, transmission band 44 is all the time in the operation, and work piece 7 that is located on transmission band 44 offsets from beginning to end, and centerless grinder 3 can be incessant polishes processing to work piece 7.

The above-mentioned related technical solutions have the following drawbacks: when a current workpiece is processed, a later workpiece needs to be timely moved to the butt on the previous workpiece, and an operator needs to continuously place the workpiece on a transmission belt, so that certain operation pressure is caused to the operator.

Disclosure of Invention

In order to alleviate operating pressure when operating personnel carries out work piece material loading, this application provides an axle type grinding feed arrangement.

The application provides an axle type grinding feed arrangement adopts following technical scheme:

a shaft grinding and feeding device comprises a rack and a conveying device, wherein the conveying device comprises a first motor, a driving roller, a driven roller and a conveying belt, the driving roller and the driven roller are rotatably connected onto the rack, the driving roller and the driven roller are arranged in parallel, the first motor is fixed on the rack, an output shaft of the first motor is coaxially and fixedly connected onto the driving roller, the conveying belt is wound on the driving roller and the driven roller, the shaft grinding and feeding device further comprises a detection device and an automatic feeding device, the automatic feeding device comprises a driving piece I, a feeding box, a guide plate, an inclined plate and a top block, the feeding box is arranged on the rack, the guide plate is fixed on the feeding box and is obliquely arranged towards one side of the conveying belt, the top block is positioned on one side of the guide plate far away from the conveying belt, the top block is slidably connected onto the side wall of the feeding box close to the guide plate along the vertical direction, the utility model discloses a work piece of blank box, including the kicking block, the kicking block is equipped with the guide plate, the kicking block is equipped with the inclined plane that is the same with deflector incline direction, the hang plate is located the one side that the deflector was kept away from to the kicking block and is fixed on last workbin inner wall, the incline direction of hang plate is the same with the incline direction of deflector, the deflector is located the top of hang plate, detection device is used for detecting the work piece condition on the transmission band, when detection device detects the work piece that the centerless grinding processed does not have the work piece at the back, a drive kicking block of driving piece is ejecting and transports to the deflector with a work piece in the workbin, work piece automatic landing on the deflector is to the transmission band.

Through adopting above-mentioned technical scheme, operating personnel places many work pieces on the hang plate, the work piece can roll to the kicking block towards one side of kicking block in proper order on, when detection device detects that there is not the work piece at the back of the work piece of centerless grinding processing, driving piece drive kicking block is with work piece jack-up, the work piece rolls to the deflector under the effect on inclined plane, roll to the transmission area by the deflector again on, thereby realize the automatic feeding of work piece, operating personnel only need regularly toward last workbin add the machined part can, operation burden when lightening operating personnel material loading.

Preferably, the grinding fluid wetting device further comprises a water diversion device, the two ends of the conveying belt are respectively a starting end and a tail end, the workpiece is conveyed from the starting end to the tail end, and the water diversion device is used for guiding the grinding fluid on the centerless grinder to the starting end of the conveying belt and wetting the starting end of the conveying belt.

Through adopting above-mentioned technical scheme, at the in-process of transmission band transportation work piece, when the centerless grinder is processing a preceding work piece, back work piece can the butt no longer continue to move forward on a preceding work piece, the transmission band can take place the friction with a back work piece this moment, the centerless grinder is to the work piece grinding time simultaneously, can spray grinding fluid, the diversion device is used for draining the grinding fluid of washing the work piece to the transmission band on, thereby drench the transmission band and play certain lubrication action to the transmission band, can reduce the friction of transmission band and work piece, thereby the life of extension transmission band.

Preferably, the water diversion device comprises a water inlet pipe, a water outlet pipe, a bidirectional screw rod, a piston and a water diversion tank with a cavity, the water guide tank is arranged on the frame, the bidirectional screw rod is rotationally connected in the cavity, one end of the bidirectional screw rod extends out of the water guide tank and is coaxially and fixedly connected to the driven roller or the driving roller, the piston is connected in the cavity in a reciprocating sliding manner along the direction parallel to the axis of the bidirectional screw rod and divides the cavity into a first cavity and a second cavity which are not communicated with each other, one end of the water inlet pipe and one end of the water outlet pipe are communicated with the first cavity, the water inlet pipe and the water outlet pipe are both provided with one-way valves, the other end of the water inlet pipe is used for extending into the grinding fluid which is used for washing the workpiece, the other end of the water outlet pipe extends to be close to the starting end of the conveying belt and wets the conveying belt, the check valve on the inlet tube only supplies grinding fluid to get into first chamber, the check valve on the outlet pipe only supplies the grinding fluid in the first chamber to flow out from the outlet pipe.

Through adopting above-mentioned technical scheme, at the in-process of transmission band transmission, on the driven roll or the drive roll can drive two-way lead screw and rotate to the drive piston makes a round trip to slide in the cavity, the inlet tube absorbs the grinding fluid and flows from the outlet pipe again, thereby drenches the top of transmission band, makes the transmission band can reduce when transporting the work piece and the friction between the work piece.

Preferably, be equipped with the water storage strip in the frame, the holding tank has been seted up on the top surface of water storage strip, the drive roll rotates respectively with driven roller and is connected on the inner wall of holding tank, the transmission band is located the holding tank, the part that the water storage strip is close to the centerless mill is broken and is used for holding the centerless mill, the holding tank has been seted up on being close to the one end diapire at transmission band initial end, the holding tank internal rotation is connected with two guide rolls, the guide roll is used for the butt on the transmission band and changes the transmission direction of transmission band, the one end that the transmission band is close to the initial end is buckled and partially is soaked in the aqua storage tank towards aqua storage tank one side slope, the outlet pipe is kept away from the one end that draws the water tank and is extended in the aqua storage tank.

Through adopting above-mentioned technical scheme, because when the inlet tube absorbs the grinding fluid, the outlet pipe can not spout the grinding fluid, so the grinding fluid can not drench the top of transmission band in this period of time, through setting up the aqua storage tank, with grinding fluid drainage to the aqua storage tank in, the outlet pipe top can be partial submergence all the time in the aqua storage tank, when the transmission band transportation, the transmission band constantly dips in and gets the grinding fluid, can further reduce the friction between transmission band and the work piece.

Preferably, still include driving piece two, set up the opening with external intercommunication on the aqua storage tank inner wall, sliding connection has sealed piece on the water storage strip, the opening is located the below of transmission band, and when sealed piece removed to just when the opening, sealed piece was with the opening shutoff, driving piece two drive sealed piece remove.

Through adopting above-mentioned technical scheme, through setting up sealed piece and opening, after centerless grinding finishes the processing to the work piece, the transmission band also stop work, transmission band top can soak always in the aqua storage tank this moment, and long-time soaking can corrode the transmission band and accelerate the ageing of transmission band, and after the transmission band stop work, through the grinding fluid discharge of opening in with the aqua storage tank, can make the transmission band surface dry as far as possible to increase the life of transmission band.

Preferably, the driving piece two comprises an exhaust tube, a vacuum screw, a vacuum shell with a vacuum cavity and a vacuum block with an inner cavity, the vacuum shell and the vacuum block are both arranged on the water storage strip, the vacuum screw is coaxially and fixedly connected to the driving roller or the driven roller, the vacuum screw is rotatably connected to the vacuum cavity, an air inlet and an air outlet which are communicated with the outside are respectively formed in two ends of the vacuum cavity, and when the conveying belt is conveyed, air enters the vacuum cavity from the air inlet and leaves the vacuum cavity from the air outlet;

the sealing device is characterized in that a blocking block is connected to the inner cavity in a sliding mode in a direction parallel to the sliding direction of the sealing block, the blocking block divides the inner cavity into a third cavity and a fourth cavity which are not communicated with each other, two ends of the exhaust tube are respectively communicated with the third cavity and the air inlet, the sealing block is fixedly connected to the blocking block, a movable groove for the sealing block to move is formed in the side wall of the inner cavity, the side wall of the sealing block always shields the movable groove, an air overflow port communicated with the outside is formed in the third cavity, the air exhaust speed of the exhaust tube is higher than the air leakage speed of the air overflow port, and when the blocking block moves towards the third cavity to abut against the inner wall of the third cavity, the opening is blocked by the sealing block.

Through adopting above-mentioned technical scheme, when the transmission band transportation, drive roll or driven roller can drive the vacuum screw and rotate, make the exhaust tube constantly take away the air of third intracavity, thereby make the third chamber be negative pressure state, thereby drive the barrier block and move toward third chamber one side, make the sealed piece with the opening shutoff, the water in the aqua storage tank can not flow this moment, the transmission band top can dip in the grinding fluid in the aqua storage tank, when the transmission band stops operating, the air gets into the third chamber from the gas overflow mouth, then operating personnel manually shifts out the opening with the sealed piece, discharge the water in the aqua storage tank.

Preferably, the sliding direction of the sealing block is vertically arranged, and the third cavity is located right above the fourth cavity.

By adopting the technical scheme, when the conveying belt stops running, air enters the third cavity from the air overflow port, the air pressure of the third cavity and the air pressure of the fourth cavity tend to be balanced, and the separation block can move downwards under the action of self gravity to drive the sealing block to move out of the opening, so that water in the water storage tank is automatically discharged.

Preferably, an adjusting groove is formed in the side face, facing the third cavity, of the blocking block, and when the blocking block moves towards the third cavity and abuts against the inner wall of the third cavity, the exhaust pipe and the air overflow port are respectively communicated with the adjusting groove.

Through adopting above-mentioned technical scheme, the adjustment tank can play the cushioning effect, makes exhaust tube and air overflow mouth all be unlikely to by stifled die, when separation piece moves to the butt when the third chamber inner wall towards the third chamber, the exhaust tube is constantly bleeding this moment still, and the velocity of flow at the air overflow mouth also can accelerate, can keep certain atmospheric pressure value in the adjustment tank, makes the stable butt of separation piece on the third chamber inner wall.

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

by arranging the automatic feeding device, an operator places a plurality of workpieces on the inclined plate, the workpieces can roll to the ejector block towards one side of the ejector block in sequence, when the detection device detects that no workpiece exists behind the centerless ground workpiece, the driving piece drives the ejector block to jack the workpiece, the workpiece rolls to the guide plate under the action of the inclined surface and then rolls to the conveying belt through the guide plate, and therefore the operation burden of the operator in feeding is relieved;

through setting up the diversion device, at the in-process of transmission band transmission, on the driven roll or the drive roll can drive two-way lead screw and rotate to the drive piston makes a round trip to slide in the cavity, the inlet tube absorbs the grinding fluid and flows from the outlet pipe again, thereby drenches the top of transmission band, makes the transmission band can reduce when transporting the work piece and the friction between the work piece.

Drawings

Fig. 1 is an overall structural diagram of the related art.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a transportation device according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a centerless grinder according to an embodiment of the application.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a schematic structural diagram of an automatic feeding device according to an embodiment of the present application.

Fig. 7 is an enlarged view at B in fig. 3.

Description of the reference numerals: 1. a frame; 11. a first frame; 12. a second frame; 13. a water storage strip; 131. accommodating a tank; 132. a water storage tank; 14. a supporting strip; 15. a limiting plate; 151. an adjustment groove; 16. A guide roller; 17. a sealing block; 18. a driving part II; 181. a vacuum shell; 1811. an air inlet; 1812. an air outlet; 182. an air exhaust pipe; 183. a connecting strip; 19. a vacuum block; 191. an inner cavity; 1911. a third chamber; 1912. a fourth chamber; 1913. a movable groove; 192. a barrier block; 193. an adjustment groove; 194. an air overflow port; 195. a bearing block; 1951. a communication port; 2. an automatic feeding device; 21. a first driving part; 211. a second motor; 212. a fixing rod; 213. a hinged lever; 22. feeding a material box; 23. a guide plate; 24. an inclined plate; 25. a top block; 251. an inclined surface; 3. centerless grinding; 31. a body; 32. grinding the wheel; 33. a spray head; 34. a liquid receiving box; 4. a transportation device; 41. a first motor; 42. a drive roll; 43. a driven roller; 44. a conveyor belt; 441. a starting end; 442. a terminal end; 5. a detection device; 51. an infrared sensor; 6. a water diversion device; 61. a water inlet pipe; 62. a water outlet pipe; 63. a bidirectional lead screw; 64. a piston; 65. a water diversion tank; 651. a cavity; 6511. a first chamber; 6512. a second chamber; 7. and (5) a workpiece.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses axle type grinding feed arrangement.

Referring to fig. 2 and 3, the shaft grinding and feeding device of the embodiment includes a frame 1 and a transportation device 4, the frame 1 includes a first frame 11 and a second frame 12, an automatic feeding device 2 is disposed on the first frame 11, a centerless grinder 3 is disposed on the second frame 12, the transportation device 4 for transporting a cylindrical workpiece 7 is disposed on the frame 1, the automatic feeding device 2 is used for moving the workpiece 7 to the transportation device 4, then the transportation device 4 transports the workpiece 7 to pass through the centerless grinder 3, and the centerless grinder 3 grinds the surface of the workpiece 7.

Referring to fig. 2 and 3, a water storage strip 13 is fixed on the frame 1, two ends of the water storage strip 13 are respectively fixed on the first frame 11 and the second frame 12, an accommodating groove 131 is formed in the top surface of the water storage strip 13, the length direction of the accommodating groove 131 is horizontally arranged and parallel to the length direction of the water storage strip 13, the transportation device 4 comprises a first motor 41, a driving roller 42, a driven roller 43 and a transmission belt 44, the driving roller 42 and the driven roller 43 are respectively connected to the inner walls of the two ends of the length direction of the accommodating groove 131 in a rotating manner, the axial directions of the driving roller 42 and the driven roller 43 are horizontally arranged and perpendicular to the length direction of the water storage strip 13, the transmission belt 44 is wound on the driving roller 42 and the driven roller 43, and the transmission belt 44 is located in the accommodating groove 131. The first motor 41 is fixed on the outer wall of the water storage strip 13, the output shaft of the first motor 41 is coaxially and fixedly connected to the driving roller 42, the driving roller 42 is arranged close to the automatic feeding device 2, the driven roller 43 is arranged close to the centerless grinder 3, and the driving roller 42 and the driven roller 43 are respectively positioned on two sides of the centerless grinder 3 and the automatic feeding device 2. The end of the conveyor belt 44 near the driving roller 42 is a starting end 441, the end of the conveyor belt 44 near the driven roller 43 is a terminal end 442, and the workpiece 7 is unidirectionally transported from the starting end 441 to the terminal end 442.

Referring to fig. 4 and 5, the centerless grinder 3 includes a body 31 and two grinding wheels 32, the body 31 is fixed on the second frame 12, the two grinding wheels 32 are rotatably connected to the body 31 and respectively located at two sides of the width direction of the conveyor belt 44, and a portion of the water storage strip 13 passing through the centerless grinder 3 is interrupted for accommodating the centerless grinder 3. The body 31 is also provided with a spray head 33 for spraying the grinding fluid toward the grinding wheel 32. A liquid receiving tank 34 is fixed to the second frame 12, and the liquid receiving tank 34 is located right below the centerless grinder 3 and is used for receiving used grinding liquid. When the workpiece 7 passes through the centerless grinding 3, the two grinding wheels 32 abut on the workpiece 7 and clamp the workpiece 7 to be separated from the conveying belt 44, the workpiece 7 is driven to move towards the end 442 side of the conveying belt 44 by the rotation of the two grinding wheels 32, and when the centerless grinding 3 processes the previous workpiece 7, the next workpiece 7 abuts on the previous workpiece 7 and does not move forwards any more.

Referring to fig. 2 and 4, the water storage strip 13 is provided with a detection device 5, the detection device 5 is used for detecting the condition of the workpiece 7 on the conveying belt 44, and when the detection device 5 detects that no workpiece 7 exists behind the workpiece 7 processed by the centerless grinder 3, the automatic feeding device 2 automatically places the workpiece 7 to be ground on the conveying belt 44.

Referring to fig. 2 and 6, automatic feeding device 2 includes driving piece one 21, go up workbin 22, deflector 23, hang plate 24 and kicking block 25, it fixes on first frame 11 to go up workbin 22, it is located one side of water storage strip 13 width direction to go up workbin 22, the one end of deflector 23 width direction is fixed on the lateral wall of one side that last workbin 22 is close to water storage strip 13, the length direction of deflector 23 is on a parallel with the length direction of water storage strip 13, deflector 23 is the slope setting and deflector 23 is close to the one end of water storage strip 13 to keeping away from the one end of water storage strip 13 and becomes high gradually. The top block 25 is connected to the inner wall of one side, close to the guide plate 23, of the feeding box 22 in a sliding mode along the vertical direction, the driving piece I21 drives the top block 25 to slide back and forth, the top surface of the top block 25 is provided with an inclined surface 251 which is the same as the inclined direction of the guide plate 23, and the length direction of the top block 25 is parallel to the length direction of the guide plate 23. The inclined plate 24 is positioned on one side of the top block 25 far away from the guide plate 23 and is fixed on the inner wall of the feeding box 22, the inclined direction of the inclined plate 24 is the same as that of the guide plate 23, the guide plate 23 is positioned above the inclined plate 24, and the side surfaces of the inclined plate 24 and the top block 25, which are opposite to each other, are close to each other.

Referring to fig. 2 and 6, the driving member one 21 includes a second motor 211, a fixing rod 212 and a hinge rod 213, the second motor 211 is fixed on the first frame 11, an output shaft of the second motor 211 is parallel to the width direction of the water storage strip 13 and extends toward one side of the top block 25, one end of the fixing rod 212 is fixedly sleeved on the output shaft of the second motor 211 vertically, two ends of the hinge rod 213 are hinged on the top block 25 and the other end of the fixing rod 212 respectively, and the linear direction of the hinge rod 213 at the two ends of the hinge rod 213 is parallel to the axial direction of the output shaft of the second motor 211. By driving the output shaft of the second motor 211 to rotate, the hinge rod 213 can be driven to move by the fixing rod 212, so as to drive the top block 25 to slide back and forth in the vertical direction.

Referring to fig. 2 and 3, the water storage bar 13 is detachably connected with a support bar 14 and two limit plates 15, the support bar 14 is fixed on the water storage bar 13 through bolts, the length direction of the support bar 14 is parallel to the length direction of the water storage bar 13, the driving roller 42 and the driven roller 43 are respectively located on two sides of the length direction of the support bar 14, and the support bar 14 is located between the conveyor belts 44 and used for supporting the inner top wall of the conveyor belts 44. Two limiting plates 15 can be dismantled and connect on the top surface of support bar 14, and the length direction of limiting plate 15 is on a parallel with the length direction of water storage bar 13, and two limiting plates 15 are located transmission band 44 width direction's both sides respectively, set up length direction perpendicular to 15 length direction's of limiting plate adjustment groove 151 on limiting plate 15, are connected with the bolt on limiting plate 15, and adjustment groove 151 and threaded connection are passed to the one end of bolt on support bar 14. The distance between the two limit plates 15 is slightly larger than the diameter of the workpiece 7, and the two limit plates 15 are used for limiting the workpiece 7 on the conveying belt 44.

Referring to fig. 2 and 4, the detecting device 5 is an infrared sensor 51, the infrared sensor 51 is fixed on one of the limiting plates 15, the infrared sensor 51 is located between the automatic feeding device 2 and the centerless grinder 3, and the detecting device 5 is used for detecting whether the workpiece 7 is behind the workpiece 7 processed by the centerless grinder 3. When the detection device 5 detects that no workpiece 7 is behind the workpiece 7 processed by the centerless grinder 3, the output shaft of the second motor 211 rotates to drive the jacking block 25 to jack out and transport one workpiece 7 in the upper material box 22 to the guide plate 23, the workpiece 7 slides to the guide plate 23 along the inclined surface 251 on the top surface of the jacking block 25, then automatically slides to the conveying belt 44 along the guide plate 23, and the two limiting plates 15 are respectively positioned on two sides of the workpiece 7.

Referring to fig. 4 and 5, the frame 1 is provided with a water diversion device 6, and the water diversion device 6 is used for guiding the grinding fluid on the centerless grinder 3 to the starting end 441 of the conveyor belt 44 and wetting the starting end 441 of the conveyor belt 44.

Referring to fig. 4 and 5, the water diversion device 6 includes a water inlet pipe 61, a water outlet pipe 62, a bidirectional screw 63, a piston 64 and a water diversion tank 65 with a cavity 651, the water diversion tank 65 is fixed on the second frame 12, the bidirectional screw 63 is rotatably connected in the cavity 651, one end of the bidirectional screw 63 extends out of the water diversion tank 65 and is coaxially and fixedly connected to the driven roller 43, the piston 64 is connected in the cavity 651 in a reciprocating sliding manner along a direction parallel to an axial line of the bidirectional screw 63 and divides the cavity 651 into a first cavity 6511 and a second cavity 6512 which are not communicated with each other, one end of the water inlet pipe 61 and the water outlet pipe 62 is communicated with the first cavity 6511, the other end of the water inlet pipe 61 is used for extending into the liquid receiving tank 34, and the other end of the water outlet pipe 62 extends to be close to a start end 441 of the conveyor belt 44 and wets the conveyor belt 44. The water inlet pipe 61 and the water outlet pipe 62 are both provided with one-way valves, the one-way valve on the water inlet pipe 61 only allows grinding fluid to enter the first cavity 6511, and the one-way valve on the water outlet pipe 62 only allows the grinding fluid in the first cavity 6511 to flow out of the water outlet pipe 62.

Referring to fig. 2 and 3, a water storage groove 132 is formed in a bottom wall of the containing groove 131 close to the driving roller 42, two guide rollers 16 are rotatably connected in the containing groove 131, the two guide rollers 16 are respectively used for abutting against an inner top wall and an outer bottom wall of the transmission belt 44 and changing a transmission direction of the transmission belt 44, the driving roller 42 is located below the driven roller 43, one end of the transmission belt 44 close to the starting end 441 is obliquely bent towards one side of the water storage groove 132 and is partially immersed in the water storage groove 132, and one end of the water outlet pipe 62, which is far away from the water guiding tank 65, extends into the water storage groove 132.

Referring to fig. 2 and 3, in the process of conveying the workpiece 7 by the conveying belt 44, when the centerless grinder 3 processes the previous workpiece 7, the next workpiece 7 is abutted against the previous workpiece 7 and does not move forward any more, at this time, the conveying belt 44 rubs against the next workpiece 7, and when the centerless grinder 3 grinds the workpiece 7, grinding fluid is sprayed, and the water diversion device 6 is used for guiding the grinding fluid which has washed the workpiece 7 to the water storage tank 132, so that the wetting conveying belt 44 plays a certain lubricating role on the conveying belt 44, the friction between the conveying belt 44 and the workpiece 7 can be reduced, and the service life of the conveying belt 44 is prolonged.

Referring to fig. 3 and 7, an opening communicated with the outside is formed in the inner wall of the bottom end of the water storage tank 132, the sealing block 17 is connected to the upper outer wall of the water storage strip 13 in a sliding manner along the vertical direction, a second driving piece 18 is arranged on the water storage strip 13, and the second driving piece 18 drives the sealing block 17 to move back and forth in the vertical direction. When the sealing block 17 is moved to face the opening, the sealing block 17 seals the opening.

By arranging the sealing block 17 and the opening, after the centerless grinder 3 finishes processing the workpiece 7, the transmission belt 44 stops working, the starting end 441 of the transmission belt 44 is soaked in the water storage tank 132 all the time, the transmission belt 44 is corroded by soaking for a long time, the aging of the transmission belt 44 is accelerated, and after the transmission belt 44 stops working, the grinding fluid in the water storage tank 132 is discharged through the opening, so that the surface of the transmission belt 44 can be dried as much as possible, and the service life of the transmission belt 44 is prolonged.

Referring to fig. 3 and 7, the second driving member 18 includes an air exhaust tube 182, a vacuum screw, a vacuum shell 181 with a vacuum cavity 651, and a vacuum block 19 with an inner cavity 191, wherein the vacuum shell 181 and the vacuum block 19 are both fixed on the outer wall of the water storage strip 13. The vacuum screw is connected to the vacuum cavity 651 in a rotating mode, meanwhile, the vacuum screw is further connected to the driving roller 42 in a coaxial and fixed mode, the two ends of the vacuum cavity 651 are respectively provided with an air inlet 1811 and an air outlet 1812 which are communicated with the outside, when the conveying belt 44 is conveyed, air flows in the vacuum cavity 651 in a one-way mode, and enters the vacuum cavity 651 from the air inlet 1811 and leaves the vacuum cavity 651 from the air outlet 1812.

Referring to fig. 3 and 7, the inner cavity 191 is slidably connected with a blocking block 192 along a vertical direction, the blocking block 192 divides the inner cavity 191 into a third cavity 1911 and a fourth cavity 1912 which are not communicated with each other, and the third cavity 1911 is located right above the fourth cavity 1912. Two ends of the air exhaust tube 182 are respectively communicated with the third cavity 1911 and the air inlet 1811, an air overflow port 194 communicated with the outside is formed on the top wall of the third cavity 1911, and when the conveyor belt 44 operates at normal speed, the air exhaust speed of the air exhaust tube 182 is greater than the air leakage speed of the air overflow port 194. The side surface of the blocking block 192 facing the third chamber 1911 is provided with an adjusting groove 193, and when the blocking block 192 moves towards the third chamber 1911 and abuts against the inner wall of the third chamber 1911, the air exhaust pipe 182 and the air overflow port 194 are respectively communicated with the adjusting groove 193.

Referring to fig. 3 and 7, the adjustment groove 193 can play a role of buffering, so that the air extraction pipe 182 and the air overflow port 194 are not blocked, when the blocking block 192 moves towards the third cavity 1911 to abut against the inner wall of the third cavity 1911, the air extraction pipe 182 continuously extracts air at this time, the flow rate of the air overflow port 194 is also accelerated, and the adjustment groove 193 can maintain a certain air pressure value, so that the blocking block 192 stably abuts against the inner wall of the third cavity 1911.

Referring to fig. 3 and 7, a movable groove 1913 is formed in the side wall of the inner cavity 191 facing the sealing block 17 along the vertical direction, the side wall of the blocking block 192 always covers the movable groove 1913 no matter how the blocking block 192 slides on the inner cavity 191, a connecting strip 183 is fixed on the outer wall of the blocking block 192, two ends of the connecting strip 183 are respectively and fixedly connected to the blocking block 192 and the sealing block 17, and the connecting strip 183 is connected in the movable groove 1913 along the vertical direction in a sliding manner. The outer wall of the water storage strip 13 is fixedly provided with a bearing block 195, the sealing block 17 and the connecting strip 183 are connected to the bearing block 195 in a sliding mode along the vertical direction, and a communicating opening 1951 for communicating the outside and the opening is formed in the bearing block 195. When the blocking block 192 moves towards the third chamber 1911 to abut against the top wall of the third chamber 1911, the sealing block 17 blocks the opening, and when the blocking block 192 moves towards the fourth chamber 1912 to abut against the bottom wall of the fourth chamber 1912, the sealing block 17 no longer blocks the opening, and water in the water storage tank 132 flows out through the opening and the communication port 1951 in sequence.

The implementation principle of an axle type grinding feed arrangement of the embodiment of this application is: the automatic feeding device 2 is used for moving the workpiece 7 to the conveying device 4, then the conveying device 4 conveys the workpiece 7 to the centerless grinder 3, the centerless grinder 3 grinds the surface of the workpiece 7, in the process of machining the workpiece 7, the water diversion device 6 conducts grinding liquid to the water storage tank 132, the conveying belt 44 can be wetted through the water storage tank 132, and therefore friction between the conveying belt 44 and the workpiece 7 is reduced, meanwhile, when the conveying belt 44 stops running, the sealing block 17 leaves the opening, water in the water storage tank 132 is discharged, the conveying belt 44 is kept in a dry state as far as possible, and therefore the service life of the conveying belt 44 is prolonged.

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 axle type grinding feed arrangement, includes frame (1) and conveyer (4), conveyer (4) include first motor (41), drive roll (42), passive roller (43) and transmission band (44), drive roll (42) and passive roller (43) are all rotated and are connected in frame (1), the axis direction of drive roll (42) and passive roller (43) sets up parallel to each other, first motor (41) are fixed on frame (1) and the coaxial fixed connection of output shaft of first motor (41) is on drive roll (42), transmission band (44) are around rolling up on drive roll (42) and passive roller (43), its characterized in that: still include detection device (5) and automatic feeding device (2), automatic feeding device (2) include driving piece (21), go up workbin (22), deflector (23), hang plate (24) and kicking block (25), it sets up on frame (1) to go up workbin (22), deflector (23) are fixed on last workbin (22) and are the slope setting towards transmission band (44) one side, kicking block (25) are located deflector (23) and keep away from one side of transmission band (44), kicking block (25) along vertical direction sliding connection on the lateral wall of one side that last workbin (22) is close to deflector (23), driving piece (21) drive kicking block (25) slide, set up inclined plane (251) the same with deflector (23) incline direction on kicking block (25), hang plate (24) are located kicking block (25) and keep away from one side of deflector (23) and fix on last workbin (22) inner wall, the inclination direction of the inclined plate (24) is the same as that of the guide plate (23), the guide plate (23) is located above the inclined plate (24), the detection device (5) is used for detecting the condition of the workpiece (7) on the conveying belt (44), when the detection device (5) detects that no workpiece (7) exists behind the workpiece (7) processed by the centerless grinding (3), the driving piece I (21) drives the ejector block (25) to eject and convey one workpiece (7) in the feeding box (22) to the guide plate (23), and the workpiece (7) on the guide plate (23) automatically slides down onto the conveying belt (44).

2. The shaft grinding and feeding device according to claim 1, characterized in that: the grinding fluid on the centerless grinder (3) is drained to the beginning end (441) of the transmission belt (44) and the beginning end (441) of the transmission belt (44) is wetted by the water diversion device (6), the two ends of the transmission belt (44) are respectively the beginning end (441) and the tail end (442), the workpiece (7) is transported to the tail end (442) from the beginning end (441), and the water diversion device (6) is used for draining the grinding fluid on the centerless grinder (3) to the beginning end (441) of the transmission belt (44).

3. The shaft-type grinding feeding device according to claim 2, characterized in that: the water diversion device (6) comprises a water inlet pipe (61), a water outlet pipe (62), a bidirectional lead screw (63), a piston (64) and a water diversion tank (65) with a cavity (651), the water diversion tank (65) is arranged on the rack (1), the bidirectional lead screw (63) is rotatably connected in the cavity (651), one end of the bidirectional lead screw (63) extends out of the water diversion tank (65) and is coaxially and fixedly connected to a driven roller (43) or a driving roller (42), the piston (64) is in back-and-forth sliding connection in the cavity (651) along the axial direction parallel to the bidirectional lead screw (63) and divides the cavity (651) into a first cavity (6511) and a second cavity (6512) which are not communicated with each other, one end of the water inlet pipe (61) and the water outlet pipe (62) is communicated with the first cavity (6511), the water inlet pipe (61) and the water outlet pipe (62) are both provided with one-way valves, and the other end of the water inlet pipe (61) is used for extending into grinding fluid which washes a workpiece (7), the other end of outlet pipe (62) extends to and is close to top (441) of transmission band (44) and wets transmission band (44), the check valve on inlet tube (61) only supplies the grinding fluid to get into first chamber (6511), the check valve on outlet pipe (62) only supplies the grinding fluid in first chamber (6511) to flow out from outlet pipe (62).

4. The shaft-type grinding feeding device according to claim 3, characterized in that: be equipped with water storage strip (13) on frame (1), holding tank (131) have been seted up on the top surface of water storage strip (13), drive roll (42) rotate respectively with driven roller (43) and are connected on the inner wall of holding tank (131), transmission band (44) are located holding tank (131), the part that water storage strip (13) are close to centerless grinder (3) is broken and is used for holding centerless grinder (3), holding tank (131) are close to and have been seted up on the one end diapire of transmission band (44) top (441), holding tank (131) are connected with two guide rolls (16) of internal rotation, guide roll (16) are used for the butt on transmission band (44) and change the direction of transmission band (44), one end that transmission band (44) are close to top (441) is towards water storage tank (132) one side slope bending and partly dip in water storage tank (132), one end of the water outlet pipe (62) far away from the water guide tank (65) extends into the water storage tank (132).

5. The shaft-type grinding feeding device according to claim 4, characterized in that: still include driving piece two (18), set up the opening with external intercommunication on aqua storage tank (132) inner wall, sliding connection has sealed piece (17) on water storage strip (13), the opening is located the below of transmission band (44), when sealed piece (17) remove to just when the opening, sealed piece (17) are with the opening shutoff, driving piece two (18) drive sealed piece (17) remove.

6. The shaft grinding and feeding device according to claim 1, characterized in that: the second driving piece (18) comprises an exhaust pipe (182), a vacuum screw, a vacuum shell (181) with a vacuum cavity (651) and a vacuum block (19) with an inner cavity (191), the vacuum shell (181) and the vacuum block (19) are both arranged on the water storage strip (13), the vacuum screw is coaxially and fixedly connected to the driving roller (42) or the driven roller (43), the vacuum screw is rotatably connected to the vacuum cavity (651), an air inlet (1811) and an air outlet (1812) communicated with the outside are respectively formed in two ends of the vacuum cavity (651), and when the conveying belt (44) is transported, air enters the vacuum cavity (651) from the air inlet (1811) and leaves the vacuum cavity (651) from the air outlet (1812);

the inner cavity (191) is connected with a blocking block (192) in a sliding manner along a direction parallel to the sealing block (17), the blocking block (192) divides the inner cavity (191) into a third cavity (1911) and a fourth cavity (1912) which are not communicated with each other, two ends of the air pumping pipe (182) are respectively communicated with the third cavity (1911) and the air inlet (1811), the sealing block (17) is fixedly connected to the blocking block (192), a movable groove (1913) for the sealing block (17) to move is formed in the side wall of the inner cavity (191), the movable groove (1913) is always blocked by the side wall of the sealing block (17), an air overflow port (194) communicated with the outside is formed in the third cavity (1911), the air pumping speed of the air pumping pipe (182) is higher than the air leakage speed of the air overflow port (194), and when the blocking block (192) moves towards the third cavity (1911) to abut against the inner wall of the third cavity (1911), the sealing block (17) seals off the opening.

7. The shaft-type grinding feeding device of claim 6, characterized in that: the sliding direction of the sealing block (17) is vertically arranged, and the third cavity (1911) is positioned right above the fourth cavity (1912).

8. The shaft-type grinding feeding device of claim 6, characterized in that: the side surface of one side, facing the third cavity (1911), of the blocking block (192) is provided with an adjusting groove (193), and when the blocking block (192) moves towards the third cavity (1911) and abuts against the inner wall of the third cavity (1911), the air suction pipe (182) and the air overflow port (194) are respectively communicated with the adjusting groove (193).