CN113843668B - Full-automatic external grinding equipment - Google Patents

Abstract

The invention discloses full-automatic external circle grinding equipment which comprises a feeding module, a first positioning module, a second positioning module, a grinding wheel and a material taking module. The feeding module comprises a sliding block which can move between a discharging position and a receiving position; the right side of the discharging position is provided with a first positioning module, the left side of the discharging position is provided with a second positioning module, the first positioning module is provided with a pushing shaft, the second positioning module is provided with a sleeve shaft, the sleeve shaft and the pushing shaft are arranged in a horizontal mode and are opposite, and the pushing shaft pushes parts on the sliding block to be sleeved on the sleeve shaft; the grinding wheel is rotatably arranged, and the sleeve shaft and the material pushing shaft move together to drive the part to face the grinding wheel; get the material module and be located one side of pay-off module, get the material module and just be equipped with the unloading pipeline under the sleeve axle to the sleeve axle under. Compared with the prior art, the full set of processes of feeding, positioning, grinding and discharging is completed, high automation and intellectualization are realized, the working efficiency and precision are greatly improved, and the labor cost is saved.

Description

Full-automatic external grinding equipment

Technical Field

The invention relates to the field of grinding equipment, in particular to full-automatic external circle grinding equipment.

Background

For some cylindrical parts, the outer side surface of the cylindrical part needs to be ground or polished. The method in the prior art is to prepare a rotating grinding wheel, after a worker fixes a part by using a clamp, the clamp is arranged on a moving device, and the moving device drives the clamp and the part to abut against the grinding wheel so as to realize grinding or polishing.

Chinese patent publication No. CN 112935952A discloses a method and a device for grinding a rigid outer circle of a miniature round bar, which comprises a driving unit, a grinding wheel and a follow-up material supporting assembly. The driving unit at least comprises a movable base, a chuck and a first power part for driving the chuck to rotate, the movable base is assembled on the supporting structure and realizes reciprocating motion in a linear direction, and the chuck and the first power part are assembled on the movable base; the chuck clamps one end of a miniature round rod to be processed, and the other end of the miniature round rod is suspended. The grinding wheel is arranged in the reciprocating motion direction of the movable base, the grinding wheel rotates automatically, and the circumferential surface of the grinding wheel grinds the miniature round bar. The follow-up material supporting component is provided with a material supporting seat, an ejector rod and a second power part, the material supporting seat is assembled on the movable base and is driven by the second power part to realize reciprocating motion relative to the movable base, and the motion direction of the material supporting seat is the same as that of the movable base; the ejector rod is assembled on the material supporting seat, and one end of the ejector rod is in contact with the miniature round rod and forms relative contact with the grinding wheel.

In the rigid cylindrical grinding device for the miniature round bar, the miniature round bar to be processed can only fix one end under the clamping of the chuck, the other end of the miniature round bar is suspended, and even if the miniature round bar is supported laterally by the follow-up material support, the miniature round bar can rotate under the driving of the first power part, and the follow-up material support can prevent the round bar from rotating and grinding to generate vibration, but also has certain friction influence on the rotation of the round bar. And the rigid cylindrical grinding device for the miniature round bar adopts the manipulator to feed and discharge the miniature round bar, so that the manipulator is expensive and high in maintenance cost.

Meanwhile, a solid round rod needs to be ground and polished, hollow cylindrical parts also need to be ground and polished, and the device cannot be used for grinding the hollow cylindrical parts.

Therefore, a fully automatic external grinding device with high working efficiency, low cost, high automation degree and high polishing precision is urgently needed to overcome the defects.

Disclosure of Invention

The invention aims to provide full-automatic external grinding equipment which improves the working efficiency, reduces the cost, has high automatic degree and high polishing and grinding precision.

In order to achieve the purpose, the full-automatic external circle grinding equipment comprises a feeding module, a first positioning module, a second positioning module, a grinding wheel and a material taking module, wherein the feeding module is used for sequencing and conveying parts, the feeding module is used for pushing the parts to a discharging position, the first positioning module is used for positioning the parts, the second positioning module is used for positioning the parts and driving the parts to rotate, the grinding wheel is used for grinding the parts, the material taking module is used for taking the parts out of the second positioning module, the feeding module is arranged beside the feeding module, the feeding module comprises a movable sliding block, the sliding block is provided with a material receiving position and a discharging position, the material receiving position is arranged at the output end of the feeding module, and the sliding block moves and switches between the material receiving position and the discharging position; a first positioning module is arranged on the right side of the discharging position, a second positioning module is arranged on the left side of the discharging position, the first positioning module is provided with a material pushing shaft capable of moving in the left-right direction, the second positioning module is provided with a sleeve shaft for sleeving parts and moving in the left-right direction, the sleeve shaft is initially positioned on the left side of the discharging position, the material pushing shaft is positioned on the right side of the discharging position, the sleeve shaft and the material pushing shaft are horizontally arranged in a right-facing mode, the material pushing shaft pushes the parts on the sliding block to the left side to be sleeved on the sleeve shaft, the material pushing shaft abuts against the parts after the sliding block returns to the receiving position, the grinding wheels are positioned in front of the discharging position, the grinding wheels are rotatably arranged, the sleeve shaft and the material pushing shaft move together to drive the parts to face the grinding wheels, the grinding wheels are in contact with the outer side faces of the parts, the grinding wheels grind the parts, and the second positioning module further drives the sleeve shaft to rotate; get the material module and be located one side of pay-off module, it is just right to get under the material module the cover axle, be equipped with the unloading pipeline under the cover axle.

Compared with the prior art, the full-automatic external grinding equipment has the advantages that the whole set of processes of feeding, positioning, grinding and discharging is completed in sequence by means of the mutual matching of the feeding module, the first positioning module, the second positioning module, the grinding wheel and the material taking module, high automation and intellectualization are realized, the working efficiency and the precision are greatly improved, and the labor cost is saved. By means of the material pushing shaft and the sleeve shaft, the hollow part is sleeved on the sleeve shaft, the other end of the part is resisted by the material pushing shaft, and therefore axial positioning with high coaxiality is achieved, and grinding precision is high. Therefore, the full-automatic external grinding equipment has the advantages of improving the working efficiency, reducing the cost, along with high automation degree and high polishing and grinding precision.

Preferably, the feeding module comprises a circular vibration mechanism and a direct vibration mechanism, the output end of the circular vibration mechanism is connected with the input end of the direct vibration mechanism, the output end of the direct vibration mechanism is connected with the material receiving position, and the pushing direction of the feeding module is perpendicular to the output direction of the direct vibration mechanism.

Preferably, the feeding module comprises a feeding base, a feeding cylinder installed on the feeding base, and the sliding block connected with the output end of the feeding cylinder, and the sliding block moves between the material receiving position and the material discharging position under the driving of the feeding cylinder.

Preferably, the feeding module further comprises a proximity sensor, a supporting box for supporting the sliding block, and a supporting cover, wherein the supporting box is installed on the feeding base, a channel for the sliding block to penetrate through is formed in the supporting box, the supporting cover is arranged on the top surface of the supporting box, and the proximity sensor is installed on the supporting cover and located at the material receiving position.

Preferably, the slider has a groove for placing the part.

Preferably, the first positioning module comprises a first base, a first slide rail, a first bottom plate, a second slide rail, an installation block, a connection seat, a material pushing cylinder, a material pushing shaft and a propping linear driver, the first slide rail is fixedly installed on the first base, the propping linear driver is fixedly installed on the right side of the first slide rail, the first bottom plate is slidably arranged on the first slide rail, and the output end of the propping linear driver is connected with the first bottom plate; the second sliding rail is fixedly arranged on the first bottom plate, the mounting block is slidably arranged on the second sliding rail, the connecting seats are respectively arranged on two sides of the second sliding rail, the material pushing cylinder is fixed on the connecting seat on the right side, the material pushing shaft is fixed on the mounting block, the material pushing shaft penetrates through the connecting seat on the left side, the output end of the material pushing cylinder is connected with the mounting block, and the material pushing shaft pushes a part at a discharging position under the driving of the material pushing cylinder to be sleeved on the sleeve shaft.

Preferably, the second fixed module includes a second bottom plate, a second motor, a first screw rod, a first nut seat, a third bottom plate, a third slide rail, a first support seat, a second support seat, a bearing, a rotating motor, and a sleeve shaft, the second motor is disposed on the second bottom plate, an output end of the second motor is connected to the first screw rod, the first nut seat is sleeved on the first screw rod, the third slide rail is fixedly disposed on the second bottom plate and respectively located at two sides of the first screw rod, the third bottom plate is connected to the first nut seat, the third bottom plate is further slidably disposed on the third slide rail, the first support seat and the second support seat are vertically fixed on the third bottom plate and spaced apart from each other, the rotating motor is fixed on the first support seat, the sleeve shaft is connected to an output end of the rotating motor, the bearing is sleeved outside the sleeve shaft and located on the second support seat, and the sleeve shaft penetrates through the second support seat.

Preferably, the sleeve shaft sequentially comprises a first sleeve shaft, a second sleeve shaft and a conical top which are concentrically arranged, the diameter of the first sleeve shaft is unchanged and is larger than that of the second sleeve shaft, the diameter of the second sleeve shaft is gradually reduced, the conical top is connected to the small-diameter end of the second sleeve shaft, and the first sleeve shaft is connected to the large-diameter end of the second sleeve shaft.

Preferably, the full-automatic external circle grinding equipment further comprises an operation display screen and a control module, wherein the control module is electrically connected with the grinding wheel, the feeding module, the first positioning module, the second positioning module and the material taking module.

Preferably, the second positioning module further comprises a seat plate, the second bottom plate is arranged above the seat plate, a positioning groove is formed in the second bottom plate, an arc-shaped groove is formed in the periphery of the seat plate, the second bottom plate can be adjusted in angle relative to the seat plate, and the positioning groove is connected with the arc-shaped groove through a fixing column.

Preferably, the full-automatic external circle grinding equipment further comprises a grinding wheel correction module, the grinding wheel correction module is arranged in front of the grinding wheel and comprises a hand wheel, a second lead screw, a second nut seat, a sliding plate, a fourth sliding rail, a diamond mounting seat and a diamond, the hand wheel is connected with the second lead screw, the second nut seat is sleeved on the second lead screw, the sliding plate is connected with the second nut seat, the sliding plate is further arranged on the fourth sliding rail in a sliding manner, the diamond mounting seat is fixed on the sliding plate, and the diamond is fixed on the diamond mounting seat.

Preferably, the material taking module comprises a clamping cylinder capable of moving in the up-down direction, the left-right direction and two oppositely arranged clamping jaws, the clamping jaws are mounted on the clamping cylinder, concave grooves are formed in the opposite side faces of the clamping jaws, parts are loosened when the clamping jaws are far away from each other through the two grooves, and the parts are clamped when the clamping jaws are close to each other through the two grooves.

Preferably, the sleeve shaft is of a solid shaft structure, the material pushing shaft is of a hollow shaft structure, and the inner diameter of the material pushing shaft is larger than the outer diameter of the sleeve shaft.

Drawings

FIG. 1 is a schematic perspective view of the full-automatic cylindrical grinding device of the present invention.

Fig. 2 is a schematic perspective view of another perspective view of the full-automatic cylindrical grinding device of the present invention.

FIG. 3 is a schematic perspective view of a feeding module, a first positioning module and a feeding module of the full-automatic cylindrical grinding apparatus of the present invention.

FIG. 4 is a schematic perspective view of a second positioning module of the full-automatic cylindrical grinding apparatus according to the present invention.

FIG. 5 is a schematic perspective view of the first positioning module, the second positioning module, the material taking module and the material discharging pipe of the full-automatic cylindrical grinding apparatus according to the present invention.

FIG. 6 is a schematic perspective view of a material-fetching module of the full-automatic cylindrical grinding apparatus according to the present invention.

FIG. 7 is a schematic perspective view of the grinding wheel and the grinding wheel dressing module of the full-automatic cylindrical grinding apparatus of the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 2, the full-automatic external grinding apparatus 100 of the present invention includes a feeding module 1 for feeding the parts 200 in sequence, a feeding module 2 for pushing the parts 200 to a discharging position, a first positioning module 3 for positioning the parts 200, a second positioning module 4 for positioning the parts 200 and driving the parts 200 to rotate, a grinding wheel 5 for grinding the parts 200, and a material taking module 6 for taking the parts 200 out of the second positioning module 4. It is noted that the part 200 of the present invention is a hollow cylindrical structure. The feeding module 2 is arranged beside the feeding module 1, the feeding module 2 comprises a movable slide block 21, the slide block 21 is provided with a material receiving position and a material discharging position, the material receiving position is positioned at the output end of the feeding module 1, and the slide block 21 is movably switched between the material receiving position and the material discharging position; the right side of ejection of compact position is equipped with first location module 3, and the left side of ejection of compact position is equipped with second location module 4, and first location module 3 has the material pushing shaft 31 that can follow left and right directions and remove, and second location module 4 has the cover axle 41 that supplies part 200 to cup joint and can follow left and right directions and remove. Initially, the sleeve shaft 41 is located on the left side of the discharging position, the pushing shaft 31 is located on the right side of the discharging position, the sleeve shaft 41 and the pushing shaft 31 are arranged in a horizontal mode in a facing mode, and the pushing shaft 31 pushes the part 200 on the sliding block 21 to the left side to be sleeved on the sleeve shaft 41. It can be understood that, after the part 200 is sleeved on the sleeve shaft 41, the pushing shaft 31 retracts to the right side of the discharging position, and after the sliding block 21 retracts to the receiving position, the pushing shaft 31 abuts against the part 200. It is understood that, in the embodiment, the pushing shaft 31 moves leftwards to abut against the component 200, and of course, in other embodiments, the sleeve shaft 41 moves rightwards to abut against the pushing shaft 31 against the component 200, so the invention is not limited thereto. The grinding wheel 5 is located in front of the discharging position, the grinding wheel 5 is rotatably arranged, the sleeve shaft 41 and the material pushing shaft 31 move together to drive the part 200 to face the grinding wheel 5, the grinding wheel 5 is in contact with the outer side face of the part 200, the part 200 is ground by the rotation of the grinding wheel 5, and the sleeve shaft 41 is further driven to rotate by the second positioning module 4; get the material module 6 and be located one side of pay-off module 2, get the material module 6 under the side just to the sleeve 41, be equipped with unloading pipeline 7 under the sleeve 41. After the part 200 is ground, the first positioning module 3 is retracted to the right side (i.e. the initial position) of the discharging position, the second positioning module 4 is retracted to the left side of the discharging position, the material taking module 6 moves downward and clamps the part 200, the first and second positioning modules move leftward to separate the sleeve shaft 41 from the part 200, and the material taking module 6 feeds the part 200 into the discharging duct 7. It can be understood that the sleeve shaft 41 is a solid shaft structure, the material pushing shaft 31 is a hollow shaft structure, and the inner diameter of the material pushing shaft 31 is larger than the outer diameter of the sleeve shaft 41. The inner diameter of the pusher shaft 31 is larger than the inner diameter of the part 200. More specifically, the following:

referring to fig. 3, the feeding module 1 includes a circular vibration mechanism 11 and a direct vibration mechanism 12, an output end of the circular vibration mechanism 11 is connected to an input end of the direct vibration mechanism 12, an output end of the direct vibration mechanism 12 is connected to a material receiving position, and a pushing direction of the feeding module 2 is perpendicular to an output direction of the direct vibration mechanism 12. It is noted that the circular vibration mechanism 11 and the straight vibration mechanism 12 are well known to those skilled in the art and therefore will not be described herein.

Referring to fig. 3, the feeding module 2 includes a feeding base 22, a feeding cylinder 23 installed on the feeding base 22, and a sliding block 21 connected to an output end of the feeding cylinder 23. The slide block 21 is driven by a feeding cylinder 23 to move between a receiving position and a discharging position. The feeding module 2 further comprises a proximity sensor 24, a supporting box 25 for supporting the sliding block 21 and a supporting cover 26, the supporting box 25 is installed on the feeding base 22, a channel for the sliding block 21 to penetrate through is arranged in the supporting box 25, the supporting cover 26 is arranged on the top surface of the supporting box 25 in a covering mode, and the proximity sensor 24 is installed on the supporting cover 26 and located at a material receiving position. With the help of supporting box 25, slider 21 can slide in supporting box 25, for sliding provide the support, improve the gliding stability of slider 21, in addition, with the help of supporting lid 26, thereby can cover slider 21 and avoid outside dust to get into, the maintenance mechanism divides cleanly to keep pay-off module 2's steady operation. Preferably, the support box 25 or the support cover 26 is of a transparent structure so that the sliding position of the slider 21 can be clearly seen. The proximity sensor 24 is beneficial to sensing whether the part 200 is on the slide block 21, and if the part 200 is on the slide block 21, the feeding air cylinder 23 drives the slide block 21 to slide to a discharging position. Specifically, the slider 21 has a groove 211 in which the part 200 is placed. With the help of this recess 211 to make part 200 be difficult for dropping at the in-process that removes, recess 211 is for controlling the spacing structure of interpenetration and front and back, thereby conveniently when the ejection of compact position, first location module 3 with part 200 propelling movement to second location module 4 on.

Referring to fig. 3, the first positioning module 3 includes a first base 32, a first slide rail 33, a first bottom plate 34, a second slide rail 35, a mounting block 36, a connecting seat 37, a pushing cylinder 38, a pushing shaft 31, and an abutting linear driver 39. The first slide rail 33 is fixedly installed on the first base 32, the abutting linear driver 39 is fixedly installed on the right side of the first slide rail 33, and the first bottom plate 34 is slidably installed on the first slide rail 33. It can be understood that the bottom of the first bottom plate 34 is provided with a sliding block 341 slidably disposed on the first sliding rail 33. The output of the abutting linear actuator 39 is connected to the first base plate 34. The abutting linear actuator 39 drives the first base plate 34 to slide in the left-right direction. The second slide rail 35 is fixedly arranged on the first bottom plate 34, the mounting block 36 is slidably arranged on the second slide rail 35, the connecting seats 37 are respectively arranged on two sides of the second slide rail 35, the pushing cylinder 38 is fixed on the connecting seat 37 on the right side, the pushing shaft 31 is fixed on the mounting block 36, the pushing shaft 31 penetrates out of the connecting seat 37 on the left side, the output end of the pushing cylinder 38 is connected with the mounting block 36, and the pushing shaft 31 is driven by the pushing cylinder 38 to push the part 200 at the discharging position to be sleeved on the sleeve shaft 41. It can be understood that the connecting seat 37 on the left side of the material pushing shaft 31 is further provided with a linear bearing 491 (not shown), so that the material pushing shaft 31 can slide more smoothly, and the invention is not limited thereto. The pushing cylinder 38 drives the part 200 to be sleeved on the sleeve shaft 41, and the pushing linear driver 39 pushes the part 200 to move together with the part 200. Preferably, a floating joint 381 is arranged between the mounting block 36 and the pushing cylinder 38, and the floating joint 381 can prevent the part 200 from being worn during pushing.

Referring to fig. 4, the second positioning module 4 includes a second base plate 42, a second motor 43, a first lead screw 44, a first nut seat 45, a third base plate 46, a third slide rail 47, a first support seat 48, a second support seat 49, a bearing 491, a rotating motor 492, and a sleeve shaft 41. The second motor 43 is arranged on the second base plate 42, an output end of the second motor 43 is connected with the first lead screw 44, the first nut seat 45 is sleeved on the first lead screw 44, and the third slide rails 47 are fixedly arranged on the second base plate 42 and respectively located on two sides of the first lead screw 44. The third base plate 46 is connected to the first nut seat 45, and the third base plate 46 is slidably disposed on the third slide rail 47. The first supporting seat 48 and the second supporting seat 49 are vertically fixed on the third bottom plate 46 and are arranged at intervals, the rotating electrical machine 492 is fixed on the first supporting seat 48, the sleeve shaft 41 is connected with the output end of the rotating electrical machine 492, and the sleeve shaft 41 penetrates through the second supporting seat 49. Preferably, the second positioning module 4 further includes a bearing 491, and the bearing 491 is sleeved outside the sleeve shaft 41 and located on the second supporting seat 49. The sleeve shaft 41 is driven to rotate by the rotating motor 492. The second motor 43 drives the first lead screw 44 to rotate, so as to drive the first nut seat 45 to move in the left-right direction, and thus drive the third bottom plate 46 to move, so that the sleeve shaft 41 moves and rotates. Specifically, the sleeve shaft 41 sequentially includes a first sleeve shaft 411, a second sleeve shaft 412 and a conical top 413 which are concentrically arranged, the diameter of the first sleeve shaft 411 is constant and is larger than that of the second sleeve shaft 412, the diameter of the second sleeve shaft 412 is gradually reduced, the conical top 413 is connected to the small-diameter end of the second sleeve shaft 412, and the first sleeve shaft 411 is connected to the large-diameter end of the second sleeve shaft 412. It can be understood that, since the diameter of the second sleeve shaft 412 is gradually changed, the second sleeve shaft can be adapted to the parts 200 with various specifications, and by means of the conical top 413, when the pushing shaft 31 pushes materials, the pushing shaft 31 can be quickly pushed in a guiding manner, and meanwhile, the pushing shaft 31 can be conveniently abutted. It can be understood that the pushing shaft 31 and the sleeve shaft 41 are coaxially arranged, so that the positioning is more accurate. Preferably, the second positioning module 4 further includes a seat plate 493, the second bottom plate 42 is disposed above the seat plate 493, the positioning groove 421 is disposed on the second bottom plate 42, the arc-shaped groove 4931 is disposed around the seat plate 493, the second bottom plate 42 can be angularly adjusted relative to the seat plate 493, and the positioning groove 421 is connected with the arc-shaped groove 4931 through a fixing column (not shown). The second bottom plate 42 can be angularly adjusted with respect to the seat plate 493, so that the inclination angle of the side surface of the sleeve shaft 41 with respect to the grinding wheel 5 can be adjusted, thereby grinding an oblique tapered surface. Of course, in the present embodiment, the side surface of the sleeve shaft 41 and the side surface of the grinding wheel 5 are arranged in parallel and tangential, so that they can be directly ground into a cylindrical surface.

The full-automatic external grinding equipment 100 further comprises a grinding wheel correction module 8. The grinding wheel straightening module 8 is arranged in front of the grinding wheel 5. When the grinding wheel 5 works for a period of time, the condition of unevenness can occur, the grinding wheel 5 is leveled by means of the grinding wheel leveling module 8, and then grinding is continued, so that the precision and the finish degree of a workpiece are ensured. The grinding wheel correcting module 8 comprises a hand wheel 81, a second lead screw 82, a second nut seat 83, a sliding plate 84, a fourth sliding rail 85, a diamond 87 mounting seat 86 and a diamond 87, the hand wheel 81 is connected with the second lead screw 82, the second nut seat 83 is sleeved on the second lead screw 82, the sliding plate 84 is connected with the second nut seat 83, the sliding plate 84 is further arranged on the fourth sliding rail 85 in a sliding mode, the diamond 87 mounting seat 86 is fixed on the sliding plate 84, and the diamond 87 is fixed on the diamond 87 mounting seat 86. The hand wheel 81 is rotated, the hand wheel 81 drives the second lead screw 82 to rotate, so that the second nut seat 83 is driven to translate in the direction close to the grinding wheel 5, the sliding plate 84 is driven to move, the diamond 87 is driven to be close to the grinding wheel 5, the grinding wheel 5 rotates, and the diamond 87 contacts the grinding wheel 5, so that the surface of the grinding wheel 5 is smooth.

Referring to fig. 5 and 6, the material-taking module 6 includes a clamping cylinder 61 and two clamping jaws 62 disposed opposite to each other and capable of moving in the up-down and left-right directions. The jaws 62 are mounted on the clamping cylinder 61, and opposite sides of the jaws 62 are provided with concave clamping grooves 621, the clamping grooves 621 releasing the component 200 when the jaws 62 are far away from each other, and the clamping grooves 621 clamping the component 200 when the jaws 62 are close to each other. It can be understood that the material taking module 6 includes an up-down linear actuator 63 for driving the clamp cylinder 61 to move in the up-down direction and a left-right linear actuator 64 for driving the clamp cylinder 61 to move in the left-right direction. The up-down linear actuator 63 and the left-right linear actuator 64 are well known to those skilled in the art and thus will not be described herein.

Referring to fig. 1 and 2, the full-automatic cylindrical grinding apparatus 100 of the present invention further includes an operation display screen 9 and a control module (not shown), wherein the control module is electrically connected to the grinding wheel 5, the feeding module 1, the feeding module 2, the first positioning module 3, the second positioning module 4 and the material taking module 6 to coordinate the operation of the control modules.

The working principle of the full automatic outer circle grinding device 100 of the present invention is explained with reference to the accompanying drawings: the feeding mechanism outputs the parts 200 in order through the circular vibration mechanism 11 and the direct vibration mechanism 12, initially, the sliding block 21 of the feeding module 2 is positioned at the material receiving position to wait for the parts 200 to be positioned, and after the proximity sensor 24 detects that the parts 200 are on the sliding block 21, the feeding cylinder 23 drives the sliding block 21 to move to the discharging position; the material pushing shaft 31 of the first positioning module 3 is initially positioned at the right side of the discharging position, the sleeve shaft 41 of the second positioning module 4 is initially positioned at the left side of the discharging position, and after the sliding block 21 reaches the discharging position, the material pushing shaft 31 pushes the part 200 in the sliding block 21 to the left, so that the part 200 is sleeved on the sleeve shaft 41; after the material pushing shaft 31 returns to the initial position, the sliding block 21 returns to the material receiving position; the pusher shaft 31 is then moved against the part 200 and the part 200 is axially positioned. The second motor 43 and the rotary motor 492 of the second positioning module 4 and the abutting linear driver 39 of the first positioning module 3 are simultaneously started to drive the part 200 to approach the grinding wheel 5, and the grinding wheel 5 rotates to grind the outer circular surface of the part 200. After grinding, the first positioning module 3 and the second positioning module 4 leave the grinding wheel 5, the first positioning module 3 returns to the initial position, the material taking module 6 clamps the part 200 downwards, the second positioning module 4 moves away, so that the part 200 is separated, and the material taking module 6 drives the part 200 to move to the discharging pipeline 7. The clamping cylinder 61 releases the part 200 and the part 200 falls into the blanking duct 7.

Compared with the prior art, the full-automatic external grinding equipment 100 disclosed by the invention has the advantages that by means of mutual matching of the feeding module 1, the feeding module 2, the first positioning module 3, the second positioning module 4, the grinding wheel 5 and the material taking module 6, the whole set of processes of feeding, positioning, grinding and discharging is completed in sequence, high automation and intellectualization are realized, the working efficiency and precision are greatly improved, and the labor cost is saved. By means of the pushing shaft 31 and the sleeve shaft 41, the hollow part 200 is sleeved on the sleeve shaft 41, and the other end of the part 200 is resisted by the pushing shaft 31, so that axial positioning with high coaxiality is achieved, and grinding precision is high. Therefore, the full-automatic external grinding equipment 100 has the advantages of improving the working efficiency, reducing the cost, having high automatic degree and high polishing precision.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims (11)

1. The full-automatic external grinding equipment is characterized by comprising a feeding module, a first positioning module, a second positioning module, a grinding wheel and a taking module, wherein the feeding module is used for sequencing and conveying parts, the feeding module is used for pushing the parts to a discharging position, the first positioning module is used for positioning the parts, the second positioning module is used for positioning the parts and driving the parts to rotate, the grinding wheel is used for grinding the parts, the taking module is used for taking the parts out of the second positioning module, the feeding module is arranged beside the feeding module, the feeding module comprises a movable sliding block, the sliding block is provided with a material receiving position and a discharging position, the material receiving position is located at the output end of the feeding module, and the sliding block moves and switches between the material receiving position and the discharging position; the right side of the discharging position is provided with a first positioning module, the left side of the discharging position is provided with a second positioning module, the first positioning module is provided with a pushing shaft capable of moving in the left-right direction, the second positioning module is provided with a sleeve shaft for sleeving parts and moving in the left-right direction, initially, the sleeve shaft is positioned on the left side of the discharging position, the pushing shaft is positioned on the right side of the discharging position, the sleeve shaft and the pushing shaft are arranged in a horizontal mode in a right-to-right mode, the pushing shaft pushes the parts on the sliding block to the left side to be sleeved on the sleeve shaft, the sliding block abuts against the parts after returning to the receiving position, the grinding wheel is positioned in front of the discharging position, the grinding wheel is arranged in a rotating mode, the sleeve shaft and the pushing shaft move together to drive the parts to face the grinding wheel, the grinding wheel is in contact with the outer side face of the parts, the grinding wheel rotates to grind the parts, and the second positioning module further drives the sleeve shaft to rotate; the material taking module is positioned on one side of the feeding module, the sleeve shaft is aligned under the material taking module, and a discharging pipeline is arranged under the sleeve shaft; the sliding block is provided with a groove for placing the part, and the groove is a structure which is mutually communicated from left to right and is limited from front to back; the material taking module comprises a clamping cylinder capable of moving along the vertical and horizontal directions and two clamping jaws arranged oppositely, the clamping jaws are mounted on the clamping cylinder, concave clamping grooves are formed in the opposite side faces of the clamping jaws, parts are loosened when the clamping jaws are far away from each other, and the parts are clamped when the clamping jaws are close to each other; after grinding, the first positioning module and the second positioning module leave the grinding wheel, the first positioning module returns to the initial position, the material taking module clamps the part downwards, and the second positioning module moves away, so that the part is separated.

2. The full-automatic external circle grinding device according to claim 1, wherein the feeding module comprises a circular vibration mechanism and a direct vibration mechanism, an output end of the circular vibration mechanism is connected with an input end of the direct vibration mechanism, an output end of the direct vibration mechanism is connected with the material receiving position, and a pushing direction of the feeding module is perpendicular to an output direction of the direct vibration mechanism.

3. The full-automatic cylindrical grinding device according to claim 1, wherein the feeding module comprises a feeding base, a feeding cylinder mounted on the feeding base, and the sliding block connected with an output end of the feeding cylinder, and the sliding block moves between the material receiving position and the material discharging position under the driving of the feeding cylinder.

4. The full-automatic cylindrical grinding device according to claim 3, wherein the feeding module further comprises a proximity sensor, a supporting box for supporting the sliding block, and a supporting cover, the supporting box is installed on the feeding base, a channel for the sliding block to penetrate through is formed in the supporting box, the supporting cover is arranged on the top surface of the supporting box, and the proximity sensor is installed on the supporting cover and located at the material receiving position.

5. The full-automatic external circle grinding equipment according to claim 1, wherein the first positioning module comprises a first base, a first slide rail, a first bottom plate, a second slide rail, a mounting block, a connecting seat, a pushing cylinder, a pushing shaft and a pushing linear driver, the first slide rail is fixedly mounted on the first base, the pushing linear driver is fixedly mounted on the right side of the first slide rail, the first bottom plate is slidably arranged on the first slide rail, and the output end of the pushing linear driver is connected with the first bottom plate; the second sliding rail is fixedly arranged on the first bottom plate, the mounting block is slidably arranged on the second sliding rail, the connecting seats are respectively arranged on two sides of the second sliding rail, the pushing cylinder is fixed on the right side of the connecting seat, the pushing shaft is fixed on the mounting block and penetrates out of the left side of the connecting seat, the output end of the pushing cylinder is connected with the mounting block, and the pushing shaft is driven by the pushing cylinder to push a part at a discharging position to be sleeved on the sleeve shaft.

6. The apparatus of claim 1, wherein the second positioning module comprises a second base plate, a second motor, a first screw, a first nut holder, a third base plate, a third slide rail, a first support holder, a second support holder, a bearing, a rotating motor and a sleeve shaft, the second motor is disposed on the second base plate, an output end of the second motor is connected to the first screw, the first nut holder is sleeved on the first screw, the third slide rail is fixedly disposed on the second base plate and respectively disposed at two sides of the first screw, the third base plate is connected to the first nut holder, the third base plate is further slidably disposed on the third slide rail, the first support holder and the second support holder are vertically fixed on the third base plate and are spaced apart from each other, the rotating motor is fixed on the first support holder, the sleeve shaft is connected to an output end of the rotating motor, the bearing is sleeved outside the sleeve shaft and is disposed on the second support holder, and the sleeve shaft penetrates through the second support holder.

7. The full-automatic external circle grinding device of claim 1, wherein the sleeve shaft sequentially comprises a first sleeve shaft, a second sleeve shaft and a cone top which are concentrically arranged, the diameter of the first sleeve shaft is unchanged and is larger than that of the second sleeve shaft, the diameter of the second sleeve shaft is gradually reduced, the cone top is connected to the small-diameter end of the second sleeve shaft, and the first sleeve shaft is connected to the large-diameter end of the second sleeve shaft.

8. The full-automatic cylindrical grinding equipment according to claim 1, further comprising an operation display screen and a control module, wherein the control module is electrically connected with the grinding wheel, the feeding module, the first positioning module, the second positioning module and the material taking module.

9. The full-automatic cylindrical grinding equipment according to claim 6, wherein the second positioning module further comprises a seat plate, the second bottom plate is arranged above the seat plate, a positioning groove is arranged on the second bottom plate, an arc-shaped groove is arranged around the seat plate, the second bottom plate can be adjusted in angle relative to the seat plate, and the positioning groove is connected with the arc-shaped groove through a fixing column.

10. The full-automatic external circle grinding equipment according to claim 1, further comprising a grinding wheel correction module, wherein the grinding wheel correction module is arranged in front of the grinding wheel and comprises a hand wheel, a second lead screw, a second nut seat, a sliding plate, a fourth sliding rail, a diamond mounting seat and a diamond, the hand wheel is connected with the second lead screw, the second nut seat is sleeved on the second lead screw, the sliding plate is connected with the second nut seat, the sliding plate is further slidably arranged on the fourth sliding rail, the diamond mounting seat is fixed on the sliding plate, and the diamond is fixed on the diamond mounting seat.

11. The full-automatic cylindrical grinding device according to claim 1, wherein the sleeve shaft is of a solid shaft structure, the pushing shaft is of a hollow shaft structure, and the inner diameter of the pushing shaft is larger than the outer diameter of the sleeve shaft.

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