CN216265436U - Planet carrier casting production is with surface burnishing and polishing device - Google Patents
Planet carrier casting production is with surface burnishing and polishing device Download PDFInfo
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- CN216265436U CN216265436U CN202122660112.8U CN202122660112U CN216265436U CN 216265436 U CN216265436 U CN 216265436U CN 202122660112 U CN202122660112 U CN 202122660112U CN 216265436 U CN216265436 U CN 216265436U
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Abstract
The utility model discloses a surface grinding and polishing device for casting production of a planet carrier; belongs to the technical field of casting production equipment; the technical key points of the device comprise an installation frame and a polishing box arranged at the top of the installation frame, wherein the polishing box consists of two hemispherical protective covers and an arc-shaped sand blasting frame; the bottom of the polishing box is provided with a material collecting hopper, a discharging gate plate and a material collecting box; a supporting column is arranged in the polishing box, and a tightening fixing mechanism matched with the central hole of the planet carrier is arranged at the top of the supporting column; a supporting frame connected with the supporting column is arranged in the aggregate bin, and a rotary driving mechanism is arranged between the supporting frame and the mounting frame; a rotary sliding block is arranged on the inner side of the circular arc-shaped sand blasting frame, a sliding mechanism is arranged between the rotary sliding block and the circular arc-shaped sand blasting frame, and a sand blasting gun communicated with an external sand blasting machine through a sand blasting pipe and a rotary joint is arranged on one side of the rotary sliding block; the utility model aims to provide a surface grinding and polishing device for casting production of a planet carrier, which is convenient to use and good in effect.
Description
Technical Field
The utility model relates to a planet carrier casting production device, in particular to a surface grinding and polishing device for planet carrier casting production.
Background
The planet carrier is one of the main components of the planetary gear transmission device, a planet carrier shaft or a bearing is arranged on the planet carrier, the structural form of the planet carrier depends on the use function, the method for manufacturing the planet carrier, the assembly condition of the planetary gear reducer and the like to a great extent, the reasonable planet carrier structure has small outline size and light weight, can ensure the uniform distribution of load among planet gears and the uniform distribution of the load along the width of a meshing tooth, and has good processing technology and assembly technology, so that the planetary gear transmission has high bearing capacity and less vibration and noise.
Man adds man-hour at the planet carrier, need polish its surface, it is consuming time hard to adopt artifical mode of polishing, efficiency of polishing is lower, can use sandblast grinding device to accomplish polishing to the planet carrier at present usually, yet known sandblast grinding device for planet carrier processing on the existing market generally can only fix the centre gripping to the planet carrier, the injection angle of sandblast rifle is more limited simultaneously, be not convenient for carry out the multi-angle to the planet carrier and polish, lead to some surfaces of planet carrier can't obtain accurate polishing, and then influence the result of use of planet carrier, thereby need overturn and polish once more to the planet carrier, the waste time, the work efficiency of polishing has been reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a surface grinding and polishing device for casting production of a planet carrier, which has the advantages of compact structure, convenience in use and good grinding effect, aiming at overcoming the defects of the prior art.
The technical scheme of the utility model is realized as follows: a surface grinding and polishing device for planet carrier casting production comprises an installation frame, wherein a grinding and polishing box is arranged at the top of the installation frame and consists of two matched hemispherical protective covers and an arc-shaped sand blasting frame arranged between the two hemispherical protective covers; a material collecting hopper is arranged at the bottom of the grinding and polishing box, a discharge gate plate is arranged at the discharge end of the material collecting hopper, and a material collecting box is arranged below the discharge gate plate; an opening and closing door is arranged on the side wall of one hemispherical protective cover.
A support column is vertically arranged in the grinding and polishing box, and a tightening fixing mechanism which is matched with the central hole of the planet carrier and used for tightening and clamping at least one planet carrier is arranged at the top of the support column; a supporting frame connected with the supporting columns is arranged in the aggregate bin, and a rotary driving mechanism for driving the supporting columns to rotate is arranged between the supporting frame and the mounting frame; the inner side of the circular arc-shaped sand blasting frame is provided with a rotating sliding block in a sliding mode, a sliding mechanism is arranged between the rotating sliding block and the circular arc-shaped sand blasting frame, one side of the rotating sliding block is provided with a sand blasting gun matched with the tightening fixing mechanism, a sand blasting outlet of the sand blasting gun is radially arranged along the circular arc-shaped sand blasting frame, and the sand blasting gun is communicated with an external sand blasting machine through a sand blasting pipe and a rotating joint.
In the surface grinding and polishing device for planet carrier casting production, the tightening and fixing mechanism comprises a lifting screw rod which is integrally formed at the top of a support column along the vertical direction, a guide prism is integrally formed at the top end of the lifting screw rod, and a positioning table is arranged at the top end of the guide prism; the lifting screw rod is connected with a lifting sleeve in a threaded manner, the top end of the lifting sleeve is provided with a rotating ring, the periphery of the lifting sleeve is provided with a lifting sliding sleeve which is matched with the rotating ring and is in sliding connection with a guide prism, a lifting sliding groove which is matched with the guide prism is arranged in the lifting sliding sleeve at the top of the lifting sleeve, a plurality of vertical push-pull grooves are uniformly distributed on the side wall of the lifting sliding sleeve outside the lifting sliding groove along the circumferential direction at intervals, arc-shaped supporting blocks which are matched with the side wall of the lifting sliding sleeve are arranged outside each vertical push-pull groove, and arc-shaped positioning blocks which are matched with the bottom end of a planet carrier are horizontally arranged on the outer side wall of the lower part of each arc-shaped supporting block.
A plurality of first hinge seats which are matched and correspond one to one are arranged in each vertical push-pull groove and on the inner side wall of each arc-shaped supporting block at intervals in the vertical direction, first push-pull rods are hinged on the corresponding first hinge seats between each vertical push-pull groove and each arc-shaped supporting block, and the first push-pull rods positioned in the same vertical push-pull groove are parallel to each other; second hinged seats matched with the first hinged seats in the vertical push-pull grooves are arranged at intervals along the circumferential direction at the bottom of the positioning table, and second push-pull rods are hinged between the second hinged seats and the first hinged seats positioned at the top of the arc-shaped supporting blocks.
A lifting driving component which is matched with the lifting sleeve and used for pushing the lifting sliding sleeve to lift is arranged at the bottom of the lifting sliding sleeve; and a protection component for preventing sand blasting from entering the central hole of the planet carrier from the top is arranged at the top of the positioning table.
In an initial state, all the arc-shaped supporting blocks are attached to the outer side wall of the lifting sliding sleeve; when the lifting device works, the lifting driving assembly drives the lifting sliding sleeve to ascend along the direction of the guide prism, and the first push-pull rod and the second push-pull rod drive the arc-shaped tightening blocks to be outwards tightened to tighten and fix the inner side wall of the central hole of the planet carrier.
In foretell planet carrier casting production is with surface burnishing and polishing device, lifting sleeve bottom stretches out the lifting slide sleeve bottom, the lift drive subassembly is provided with first driving motor including setting up the first rotating gear on lifting sleeve bottom lateral wall on lifting slide sleeve bottom lateral wall, carries the axle freedom at first driving motor to be provided with the first drive gear who meshes with first rotating gear mutually, sets up the shield with lift lead screw matched with in first driving motor and the outlying lifting slide sleeve bottom of first rotating gear.
In foretell planet carrier casting production is with surface burnishing and polishing device, protection component includes along the vertical fixed cover at location bench top portion, along the vertical screw hole that is provided with in fixed cover, is provided with the matched with threaded rod at threaded hole, threaded connection have on the threaded rod with fixed cover matched with lock nut, be provided with on the threaded rod top with planet carrier centre bore wall top end cooperation and for the toper top cap of rubber material.
In the surface grinding and polishing device for planet carrier casting production, the support frame is of a cylindrical structure and is matched with the inner wall of the collecting hopper, the fixing frame matched with the bottom end of the support column is arranged below the support frame, the support frame and the fixing frame are circumferentially provided with a plurality of vertical discharging through holes at intervals, and the side wall of the support column at the top of the fixing frame is circumferentially provided with cleaning brushes matched with the upper surface of the fixing frame at intervals; an arc-shaped flow guide block is arranged at the top of the support frame between two adjacent vertical discharging through holes.
The rotary driving mechanism comprises a bar-shaped groove which is horizontally arranged in a support frame between two adjacent vertical discharging through holes and is matched with the support column, the bar-shaped groove is communicated with the outside of the collecting hopper, a second driving motor is vertically arranged on a mounting frame outside the bar-shaped groove, and a belt pulley which is matched with the support column in the bar-shaped groove and is connected with the free end of an output shaft of the second driving motor is arranged on the support column in the bar-shaped groove.
In the surface polishing device for planet carrier casting production, the vertical section of the rotating sliding block is a U-shaped section, the rotating sliding block is buckled on the periphery of the circular arc-shaped sand blasting frame, the sliding mechanism comprises a circular arc-shaped rack arranged on the inner side wall of the circular arc-shaped sand blasting frame, a second rotating gear meshed with the circular arc-shaped rack is arranged at the bottom in the rotating sliding block, a third driving motor connected with the second rotating gear is arranged on the outer side wall of the rotating sliding block, two circular arc-shaped sliding grooves matched with each other are arranged on two side walls of the circular arc-shaped sand blasting frame on two sides of the circular arc-shaped rack, and pulleys matched with the circular arc-shaped sliding grooves are arranged on two sides of the top in the rotating sliding block; and the sand blasting gun is arranged on the outer side wall of the rotating sliding block on the other side of the third driving motor.
After the structure is adopted, the two hemispherical protective covers are matched with the circular-arc-shaped sand blasting frame, so that protection can be performed during sand blasting and polishing, workers are prevented from being injured by sand blasting, and the surrounding environment is protected. The spraying materials after sand blasting can be recycled through the collecting hopper and the collecting box, so that the production cost is saved. The workpiece can be conveniently taken and placed through the opening and closing door. Can carry out effective centre gripping fixedly to the planet carrier through the support column with prop between the tight fixed establishment mutually supporting, guarantee simultaneously that the surface of planet carrier exposes outside as much as possible, convenient follow-up carries out all-round burnishing and polishing to the planet carrier. Through mutually supporting between support frame and the rotary driving mechanism, can drive the planet carrier of centre gripping on the support column and rotate, realize that the multi-angle is polished, further improve the homogeneity and the work efficiency of polishing, guarantee the effect of polishing. Through mutually supporting between rotatory sliding block and the slide mechanism, can drive the sand blasting rifle along the inboard slip of convex sand blasting frame and carry out the sandblast to the realization carries out all-round multi-angle sandblast burnishing and polishing to the planet carrier, improves the efficiency of polishing, guarantees the effect of polishing. Can guarantee through rotary joint that the sand blasting gun slides along convex sand blasting frame inboard smoothly, prevent that the sand blasting pipe from taking place the fold and influence the normal work of sand blasting gun.
Drawings
The utility model will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the utility model is not restricted.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a schematic view of the tightening fixture according to the present invention;
fig. 5 is a partially enlarged view at B in fig. 3.
In the figure: 1. a mounting frame; 2. polishing the polishing box; 2a, a hemispherical protective cover; 2b, circular arc-shaped sand blasting frames; 2c, opening and closing the door; 3. a collection hopper; 3a, a discharge gate plate; 3b, collecting the material box; 4. a support pillar; 5. tightening the fixing mechanism; 5a, a lifting screw rod; 5b, a guiding prism; 5c, a positioning table; 5d, lifting sleeves; 5e, rotating the ring; 5f, lifting the sliding sleeve; 5g, a lifting chute; 5h, vertically pushing and pulling a groove; 5i, arc-shaped tensioning blocks; 5j, arc-shaped positioning blocks; 5k, a first hinge base; 5l, a first push-pull rod; 5m and a second hinge seat; 5n, a second push-pull rod; 6. a support frame; 6a, arc-shaped flow guide blocks; 7. a rotation driving mechanism; 7a, a strip-shaped groove; 7b, a second driving motor; 7c, a belt pulley; 8. rotating the sliding block; 9. a sliding mechanism; 9a, arc-shaped racks; 9b, a second rotating gear; 9c, a third driving motor; 9d, arc-shaped sliding grooves; 9e, a pulley; 10. a sand blasting gun; 11. a sand blasting pipe; 12. a rotary joint; 13. a lift drive assembly; 13a, a first rotating gear; 13b, a first driving motor; 13c, a first drive gear; 13d, a dustproof cover; 14. a guard assembly; 14a, a fixing sleeve; 14b, a threaded rod; 14c, a locking nut; 14d, a conical top cover; 15. a fixed mount; 16. a vertical discharge through hole; 17. cleaning the brush; 18. sealing the rubber ring; 19. a positioning sensor; 20. a dust suction port.
Detailed Description
Referring to fig. 1 to 5, the surface grinding and polishing device for the casting production of the planet carrier comprises an installation frame 1, wherein a grinding and polishing box 2 is arranged at the top of the installation frame 1, and the grinding and polishing box 2 consists of two matched hemispherical protective covers 2a and an arc-shaped sand blasting frame 2b arranged between the two hemispherical protective covers 2 a; through mutually supporting between two hemisphere protection casings 2a and the convex sand blasting frame 2b, can protect when the sandblast is polished, prevent that the sandblast from causing the injury to the staff, protect the surrounding environment simultaneously. The bottom of the grinding and polishing box 2 is provided with a material collecting hopper 3, the discharge end of the material collecting hopper 3 is provided with a discharge gate plate 3a, and a material collecting box 3b is arranged below the discharge gate plate 3 a; the spraying materials after sand blasting can be recycled through the collecting hopper 3 and the collecting box 3b, so that the production cost is saved. An opening and closing door 2c is arranged on the side wall of one hemispherical protective cover 2 a; the workpiece can be conveniently taken and placed through the opening and closing door 2 c.
Furthermore, a support column 4 is vertically arranged in the grinding and polishing box 2, and a tightening fixing mechanism 5 which is matched with a central hole of the planet carrier and used for tightening and clamping at least one planet carrier is arranged at the top of the support column 4; a supporting frame 6 connected with the supporting column 4 is arranged in the aggregate bin 3, and a rotary driving mechanism 7 for driving the supporting column 4 to rotate is arranged between the supporting frame 6 and the mounting frame 1; the inner side of the circular arc-shaped sand blasting frame 2b is provided with a rotating sliding block 8 in a sliding mode, a sliding mechanism 9 is arranged between the rotating sliding block 8 and the circular arc-shaped sand blasting frame 2b, one side of the rotating sliding block 8 is provided with a sand blasting gun 10 matched with the tightening fixing mechanism 5, a sand blasting outlet of the sand blasting gun 10 is radially arranged along the circular arc-shaped sand blasting frame 2b, and the sand blasting gun 10 is communicated with an external sand blasting machine through a sand blasting pipe 11 and a rotating joint 12. Can guarantee through rotary joint 12 that sand blasting gun 10 smoothly slides along convex sand blasting frame 2b inboard, prevent that sand blasting pipe 11 from taking place the fold and influencing the normal work of sand blasting gun 10.
Preferably, the tightening and fixing mechanism 5 comprises a lifting screw rod 5a integrally formed at the top of the support column 4 along the vertical direction, a guide prism 5b is integrally formed at the top end of the lifting screw rod 5a, and a positioning table 5c is arranged at the top end of the guide prism 5 b; the lifting screw rod 5a is in threaded connection with a lifting sleeve 5d, the top end of the lifting sleeve 5d is provided with a rotating ring 5e, the periphery of the lifting sleeve 5d is provided with a lifting sliding sleeve 5f matched with the rotating ring 5e and in sliding connection with a guide prism 5b, a lifting sliding groove 5g matched with the guide prism 5b is arranged in the lifting sliding sleeve 5f at the top of the lifting sleeve 5d, a plurality of vertical push-pull grooves 5h are uniformly distributed on the side wall of the lifting sliding sleeve 5f outside the lifting sliding groove 5g along the circumferential direction at intervals, arc-shaped supporting blocks 5i matched with the side wall of the lifting sliding sleeve 5f are arranged outside each vertical push-pull groove 5h, and arc-shaped positioning blocks 5j matched with the bottom end of a planet carrier are horizontally arranged on the outer side wall of the lower portion of each arc-shaped supporting block 5 i.
A plurality of first hinge seats 5k which are matched and correspond one to one are vertically arranged in each vertical push-pull groove 5h and on the inner side wall of each arc-shaped supporting block 5i at intervals, first push-pull rods 5l are hinged on the corresponding first hinge seats 5k between each vertical push-pull groove 5h and each arc-shaped supporting block 5i, and the first push-pull rods 5l in the same vertical push-pull groove 5h are parallel to each other; second hinged seats 5m matched with the first hinged seats 5k in the vertical push-pull grooves 5h are circumferentially arranged at intervals at the bottom of the positioning table 5c, and second push-pull rods 5n are hinged between the first hinged seats 5k at the top of the second hinged seats 5m and the arc-shaped supporting blocks 5 i.
Through mutual matching among the lifting screw rod 5a, the lifting sleeve 5d and the rotating ring 5e, when the lifting sleeve 5d rotates and goes up and down along the direction of the lifting screw rod 5a, the lifting sliding sleeve 5f is driven to go up and down without rotating along the direction of the lifting sliding groove 5g under the guiding and limiting effects of the guiding prism 5b, and therefore the first push-pull rod 5l and the second push-pull rod 5n in the vertical push-pull groove 5h are driven to be spread. Through mutually supporting between arc bracing piece 5i and the arc locating piece 5j, can strut under the promotion of first push-and-pull rod 5l and second push-and-pull rod 5n and carry out the centre gripping fixed to planet carrier center hole wall and planet carrier bottom, guarantee simultaneously that the surface of planet carrier exposes outside as much as possible, convenient follow-up all-round burnishing and polishing to the planet carrier. After the surface of the planet carrier is polished, only the surface of the planet carrier at the clamping position of the arc-shaped positioning block 5j needs to be polished.
A lifting driving component 13 which is matched with the lifting sleeve 5d and used for pushing the lifting sliding sleeve 5f to lift is arranged at the bottom of the lifting sliding sleeve 5 f; a protective assembly 14 for preventing sand blasting from entering the central hole of the planet carrier from the top is arranged on the top of the positioning table 5 c.
In an initial state, each arc-shaped supporting block 5i is attached to the outer side wall of the lifting sliding sleeve 5 f; during operation, the lifting driving assembly 13 drives the lifting sliding sleeve 5f to ascend along the direction of the guide prism 5b, and the first push-pull rod 5l and the second push-pull rod 5n drive the arc-shaped tensioning blocks 5i to be stretched outwards to stretch the inner side wall of the central hole of the planet carrier tightly and fixedly.
Preferably, the bottom end of the lifting sleeve 5d extends out of the bottom of the lifting sliding sleeve 5f, the lifting driving assembly 13 comprises a first rotating gear 13a arranged on the outer side wall of the bottom of the lifting sleeve 5d, a first driving motor 13b is arranged on the side wall of the bottom of the lifting sliding sleeve 5f, a first driving gear 13c meshed with the first rotating gear 13a is freely arranged on a conveying shaft of the first driving motor 13b, and a dust cover 13d matched with the lifting screw 5a is arranged at the bottom of the lifting sliding sleeve 5f on the periphery of the first driving motor 13b and the first rotating gear 13 a.
The first driving gear 13c is driven to rotate by the first driving motor 13b, and the first driving gear 13c drives the first rotating gear 13a and the lifting sleeve 5d to rotate, so that the lifting sleeve 5d is driven to lift along the direction of the lifting screw rod 5a, and the lifting sliding sleeve 5f is driven to lift along the direction of the guide prism 5 b. The dust generated in the sand blasting process can be effectively prevented from entering the dust cover 13d through the dust cover 13d to influence the normal work of the first driving motor 13 b.
Preferably, the protection assembly 14 comprises a fixing sleeve 14a vertically arranged on the top of the positioning table 5c, a threaded hole is vertically arranged in the fixing sleeve 14a, a matched threaded rod 14b is arranged in the threaded hole, a locking nut 14c matched with the fixing sleeve 14a is in threaded connection with the threaded rod 14b, and a conical top cover 14d which is matched with the top end of the central hole wall of the planet carrier and is made of rubber is arranged at the top end of the threaded rod 14 b.
Through mutually supporting between fixed cover 14a, threaded rod 14b and lock nut 14c, can conveniently carry out the dismouting to toper top cap 14d, the convenient change. The conical top cover 14d made of rubber can effectively prevent the spray material from entering the central hole of the planet carrier from the top to damage the arc-shaped tensioning block 5i in the sand blasting process, so that the safety of the equipment is protected, and the service life is prolonged.
Preferably, the sealing rubber ring 18 is integrally formed at the bottom end of the conical top cover 14d along the circumferential direction, so that the damage to the arc-shaped tensioning block 5i caused by the fact that spray materials enter the central hole of the planet carrier in the sand blasting process can be effectively prevented; meanwhile, the conical top cover 14d with the corresponding bottom surface diameter can be selected to match according to the central holes of the planet carriers with different diameters, which is a technical solution easily conceived by those skilled in the art, so that the technical solution is not redundant.
Preferably, the supporting frame 6 is of a cylindrical structure and is matched with the inner wall of the collecting hopper 3, a fixing frame 15 matched with the bottom end of the supporting column 4 is arranged below the supporting frame 6, a plurality of vertical discharging through holes 16 are circumferentially arranged on the supporting frame 6 and the fixing frame 15 at intervals, and cleaning brushes 17 matched with the upper surface of the fixing frame 15 are circumferentially arranged on the side wall of the supporting column 4 at the top of the fixing frame 15 at intervals; an arc-shaped flow guide block 6a is arranged at the top of the support frame 6 between two adjacent vertical discharging through holes 16.
Through mutually supporting between support frame 6 and mount 15, can effectively support fixedly to support column 4, improve support column 4's installation intensity. The spraying materials after sand blasting can be conveniently dropped into the material collecting box 3b for recovery processing through the vertical discharging through holes 16. The spray material falling on the top end of the fixed frame 15 can be swept away by the cleaning brush 17. Can effectively prevent to spout the material through arc water conservancy diversion piece 6a and pile up and cause the jam at 6 tops of support frame.
Drive support column 4 through second driving motor 7b and belt pulley 7c and rotate, can drive the planet carrier of centre gripping on the support column 4 and rotate, realize that the multi-angle is polished, further improve the homogeneity and the work efficiency of polishing, guarantee the effect of polishing.
Preferably, the vertical section of the rotating sliding block 8 is a U-shaped section, the rotating sliding block 8 is fastened to the periphery of the circular arc-shaped sand-blasting frame 2b, the sliding mechanism 9 comprises a circular arc-shaped rack 9a arranged on the inner side wall of the circular arc-shaped sand-blasting frame 2b, a second rotating gear 9b meshed with the circular arc-shaped rack 9a is arranged at the bottom in the rotating sliding block 8, a third driving motor 9c connected with the second rotating gear 9b is arranged on the outer side wall of the rotating sliding block 8, circular arc-shaped sliding grooves 9d matched with the circular arc-shaped rack 9a are arranged on the two side walls of the circular arc-shaped sand-blasting frame 2b on the two sides of the circular arc-shaped rack 9a, and pulleys 9e matched with the circular arc-shaped sliding grooves 9d are arranged on the two sides of the inner top of the rotating sliding block 8; the sand blasting gun 10 is arranged on the outer side wall of the rotating slide block 8 on the other side of the third driving motor 9 c.
During operation, third driving motor 9c drives second rotating gear 9b and rotates, second rotating gear 9b rotates and drives rotary sliding block 8 and rotatory along convex rack 9a direction, pulley 9e and the cooperation of convex spout 9d carry out guiding orientation to carrying out rotary sliding block 8 simultaneously, thereby can drive sand blasting gun 10 on the rotary sliding block 8 and slide along convex sand blasting frame 2b inboard and carry out the sandblast, thereby realize carrying out all-round multi-angle sandblast burnishing and polishing to the planet carrier, the efficiency of polishing is improved, guarantee the effect of polishing.
In this embodiment, the diameter of the support column 4 is larger than that of the lifting screw 5 a. Can cooperate the prismatic 5b of direction to carry on spacingly to the lift position of lifting sleeve 5d, prevent that lifting sleeve 5d from breaking away from lifting screw 5 a.
Preferably, a positioning sensor 19 for positioning the sliding position of the rotary slide block 8 is provided on the circular arc-shaped sand blasting frame 2b near the end portions of both sides of the circular arc-shaped chute 9 d. Set up along circumference interval on arc sandblast frame and be used for the installation positioning sensor 19's mounting hole can adjust positioning sensor 19's position according to actual need to the rotatory spray regime of adjustment sandblast rifle 10 adapts to the planet carrier demand of polishing of different specification and dimension.
Preferably, a dust suction opening 20 is formed in a sidewall of the hemispherical protection cover 2a at the top of the opening and closing door 2c, and the dust suction opening 20 is communicated with an external dust suction device. Dust that the process of polishing produced can be effectively absorbed through dust absorption mouth 20 to the sandblast, prevents that the dust from causing the influence to the normal work of hemispherical protection casing 2a internal plant.
The working principle of the utility model is as follows: before polishing, the opening and closing door 2c is opened, the planet carrier to be polished is placed in the polishing and polishing box 2, and the planet carrier to be polished is sleeved on the periphery of each arc-shaped supporting block 5 i; when polishing, the first driving motor 13b is started, the first driving gear 13c is driven to rotate by the first driving motor 13b, the first driving gear 13c rotates to drive the first rotating gear 13a and the lifting sleeve 5d to rotate, so that the lifting sleeve 5d is driven to lift along the direction of the lifting screw rod 5a, thereby driving the lifting sliding sleeve 5f to lift along the direction of the guiding prism 5b, the lifting sliding sleeve 5f does non-rotation lifting along the direction of the lifting sliding chute 5g under the guiding and limiting action of the guiding prism 5b, thereby drive first push-and-pull rod 5l and second push-and-pull rod 5n in the vertical push-and-pull groove 5h outwards to stretch out and strut each arc and prop up piece 5i and arc locating piece 5j, realize the centre gripping fixed to planet carrier center hole wall and planet carrier bottom, guarantee that the surface of planet carrier exposes outside as much as possible, make things convenient for follow-up all-round burnishing and polishing to the planet carrier.
Accomplish the centre gripping fixed back to the star frame, start outside sand blasting machine, sand blasting gun 10 begins sand blasting work, starts second driving motor 7b and third driving motor 9c simultaneously, drives support column 4 through second driving motor 7b and belt pulley 7c and rotates, can drive the planet carrier of centre gripping on the support column 4 and rotate, realizes that the multi-angle is polished, further improves the homogeneity and the work efficiency of polishing, guarantees the effect of polishing. A third driving motor 9c drives a second rotating gear 9b to rotate, the second rotating gear 9b rotates to drive a rotating sliding block 8 to rotate along the direction of the circular arc-shaped rack 9a, and meanwhile, the pulley 9e is matched with the circular arc-shaped sliding groove 9d to guide and position the rotating sliding block 8; the positioning sensors 19 on the two sides of the circular arc-shaped sand spraying frame 2b are used for positioning the sliding position of the positioning rotary sliding block 8, and the sand spraying guns 10 on the rotary sliding block 8 can be driven to perform sand spraying along the inner side reciprocating sliding of the circular arc-shaped sand spraying frame 2b, so that the planet carrier is subjected to all-dimensional multi-angle sand spraying polishing, the polishing efficiency is improved, and the polishing effect is guaranteed.
After the surface polishing of the planet carrier is finished, the planet carrier is taken down and then the surface of the planet carrier at the clamping position of the arc-shaped positioning block 5j is polished.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.
Claims (6)
1. A surface grinding and polishing device for planet carrier casting production comprises an installation frame (1), wherein a grinding and polishing box (2) is arranged at the top of the installation frame (1), and is characterized in that the grinding and polishing box (2) consists of two matched hemispherical protective covers (2a) and an arc-shaped sand blasting frame (2b) arranged between the two hemispherical protective covers (2 a); a material collecting hopper (3) is arranged at the bottom of the grinding and polishing box (2), a discharging gate plate (3a) is arranged at the discharging end of the material collecting hopper (3), and a material collecting box (3b) is arranged below the discharging gate plate (3 a); an opening and closing door (2c) is arranged on the side wall of one hemispherical protective cover (2 a);
a supporting column (4) is vertically arranged in the polishing box (2), and a tightening fixing mechanism (5) which is matched with a central hole of the planet carrier and used for tightening and clamping at least one planet carrier is arranged at the top of the supporting column (4); a supporting frame (6) connected with the supporting column (4) is arranged in the aggregate bin (3), and a rotary driving mechanism (7) for driving the supporting column (4) to rotate is arranged between the supporting frame (6) and the mounting frame (1); the inner side of the circular arc-shaped sand blasting frame (2b) is provided with a rotating sliding block (8) in a sliding mode, a sliding mechanism (9) is arranged between the rotating sliding block (8) and the circular arc-shaped sand blasting frame (2b), one side of the rotating sliding block (8) is provided with a sand blasting gun (10) matched with the tightening and fixing mechanism (5), a sand blasting outlet of the sand blasting gun (10) is radially arranged along the circular arc-shaped sand blasting frame (2b), and the sand blasting gun (10) is communicated with an external sand blasting machine through a sand blasting pipe (11) and a rotating joint (12).
2. The surface grinding and polishing device for the casting production of the planet carrier as claimed in claim 1, wherein the tightening and fixing mechanism (5) comprises a lifting screw rod (5a) integrally formed on the top of the supporting column (4) along the vertical direction, a guiding prism (5b) is integrally formed at the top end of the lifting screw rod (5a), and a positioning table (5c) is arranged at the top end of the guiding prism (5 b); a lifting sleeve (5d) is connected on the lifting screw rod (5a) by screw thread, a rotating ring (5e) is arranged at the top end of the lifting sleeve (5d), a lifting sliding sleeve (5f) which is matched with the rotating ring (5e) and is in sliding connection with the guiding prism (5b) is arranged at the periphery of the lifting sleeve (5d), a lifting sliding chute (5g) matched with the guiding prism (5b) is arranged in the lifting sliding sleeve (5f) at the top of the lifting sleeve (5d), a plurality of vertical push-pull grooves (5h) are uniformly distributed on the side wall of the lifting sliding sleeve (5f) at the outer side of the lifting sliding groove (5g) along the circumferential direction at intervals, an arc-shaped supporting block (5i) matched with the side wall of the lifting sliding sleeve (5f) is arranged at the outer side of each vertical push-pull groove (5h), an arc-shaped positioning block (5j) matched with the bottom end of the planet carrier is horizontally arranged on the outer side wall of the lower part of each arc-shaped supporting block (5 i);
a plurality of first hinge seats (5k) which are matched and correspond one to one are vertically arranged in each vertical push-pull groove (5h) and on the inner side wall of each arc-shaped supporting block (5i) at intervals, first push-pull rods (5l) are hinged on the corresponding first hinge seats (5k) between each vertical push-pull groove (5h) and each arc-shaped supporting block (5i), and the first push-pull rods (5l) in the same vertical push-pull groove (5h) are parallel to each other; second hinged seats (5m) matched with the first hinged seats (5k) in the vertical push-pull grooves (5h) are arranged at intervals along the circumferential direction at the bottom of the positioning table (5c), and second push-pull rods (5n) are hinged between the second hinged seats (5m) and the first hinged seats (5k) positioned at the top of the arc-shaped supporting blocks (5 i);
a lifting driving component (13) which is matched with the lifting sleeve (5d) and is used for pushing the lifting sliding sleeve (5f) to lift is arranged at the bottom of the lifting sliding sleeve (5 f); a protective component (14) for preventing sand blasting from entering the central hole of the planet carrier from the top is arranged at the top of the positioning table (5 c);
in an initial state, each arc-shaped supporting block (5i) is attached to the outer side wall of the lifting sliding sleeve (5 f); during work, the lifting driving assembly (13) drives the lifting sliding sleeve (5f) to ascend along the direction of the guide prism (5b), and the first push-pull rod (5l) and the second push-pull rod (5n) drive the arc-shaped tensioning blocks (5i) to be outwards tensioned and stretched to fixedly tension the inner side wall of the center hole of the planet carrier.
3. The surface grinding and polishing device for the casting production of the planet carrier as claimed in claim 2, wherein the bottom end of the lifting sleeve (5d) extends out of the bottom of the lifting sliding sleeve (5f), the lifting driving assembly (13) comprises a first rotating gear (13a) arranged on the outer side wall of the bottom of the lifting sleeve (5d), a first driving motor (13b) is arranged on the side wall of the bottom of the lifting sliding sleeve (5f), a first driving gear (13c) meshed with the first rotating gear (13a) is freely arranged on the conveying shaft of the first driving motor (13b), and a dust cover (13d) matched with the lifting screw rod (5a) is arranged at the bottom of the lifting sliding sleeve (5f) on the periphery of the first driving motor (13b) and the first rotating gear (13 a).
4. A surface grinding and polishing device for the casting production of a planet carrier as claimed in claim 2, wherein the protection component (14) comprises a fixing sleeve (14a) vertically arranged on the top of the positioning table (5c), a threaded hole is vertically arranged in the fixing sleeve (14a), a matched threaded rod (14b) is arranged in the threaded hole, a locking nut (14c) matched with the fixing sleeve (14a) is connected to the threaded rod (14b) in a threaded manner, and a conical top cover (14d) which is matched with the top end of the central hole wall of the planet carrier and is made of rubber is arranged at the top end of the threaded rod (14 b).
5. The surface grinding and polishing device for the casting production of the planet carrier as claimed in claim 1, wherein the support frame (6) is of a cylindrical structure and is matched with the inner wall of the collection hopper (3), a fixing frame (15) matched with the bottom end of the support column (4) is arranged below the support frame (6), a plurality of vertical discharge through holes (16) are circumferentially arranged on the support frame (6) and the fixing frame (15) at intervals, and cleaning brushes (17) matched with the upper surface of the fixing frame (15) are circumferentially arranged on the side wall of the support column (4) at the top of the fixing frame (15) at intervals; an arc-shaped flow guide block (6a) is arranged at the top of the support frame (6) between two adjacent vertical discharging through holes (16);
rotatory actuating mechanism (7) including the level set up in support frame (6) between two adjacent vertical discharging through hole (16) and with support column (4) matched with bar groove (7a), bar groove (7a) are linked together with collecting hopper (3) outside, along vertical second driving motor (7b) that is provided with on mounting bracket (1) in bar groove (7a) outside, on support column (4) in bar groove (7a) and second driving motor (7b) output shaft free end be provided with cooperate and be connected through the belt pulley (7 c).
6. The surface grinding and polishing device for casting production of planet carrier according to claim 1, it is characterized in that the vertical section of the rotating sliding block (8) is U-shaped, the rotating sliding block (8) is buckled on the periphery of the circular sand blasting frame (2b), the sliding mechanism (9) comprises a circular arc rack (9a) arranged on the inner side wall of the circular arc sand-blasting frame (2b), a second rotating gear (9b) meshed with the circular arc rack (9a) is arranged at the bottom in the rotating sliding block (8), a third driving motor (9c) connected with a second rotating gear (9b) is arranged on the outer side wall of the rotating sliding block (8), two side walls of the circular arc sand blasting frame (2b) at two sides of the circular arc rack (9a) are provided with circular arc chutes (9d) which are matched with each other, pulleys (9e) matched with the arc-shaped sliding grooves (9d) are arranged on two sides of the inner top of the rotating sliding block (8); and the sand blasting gun (10) is arranged on the outer side wall of the rotating sliding block (8) on the other side of the third driving motor (9 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122660112.8U CN216265436U (en) | 2021-11-02 | 2021-11-02 | Planet carrier casting production is with surface burnishing and polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122660112.8U CN216265436U (en) | 2021-11-02 | 2021-11-02 | Planet carrier casting production is with surface burnishing and polishing device |
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| Publication Number | Publication Date |
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| CN216265436U true CN216265436U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197810A (en) * | 2023-05-05 | 2023-06-02 | 河北恒辉明慧科技有限公司 | Shell polishing equipment |
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2021
- 2021-11-02 CN CN202122660112.8U patent/CN216265436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197810A (en) * | 2023-05-05 | 2023-06-02 | 河北恒辉明慧科技有限公司 | Shell polishing equipment |
| CN116197810B (en) * | 2023-05-05 | 2023-06-30 | 河北恒辉明慧科技有限公司 | Shell polishing equipment |
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