CN111251173A

CN111251173A - Shaft part outer wall polishing machine tool

Info

Publication number: CN111251173A
Application number: CN202010179298.2A
Authority: CN
Inventors: 陈文聪; 张艺; 吴杰锋; 王凯; 胡泽睿
Original assignee: Ningbo Minuo Machine Tools Co ltd
Current assignee: Ningbo Minuo Machine Tools Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-06-09
Anticipated expiration: 2040-03-13
Also published as: CN111251173B

Abstract

The invention relates to the technical field of part machining, in particular to a shaft part outer wall polishing machine tool. The polishing machine comprises a top plate and a bottom plate, supporting rods are symmetrically installed between the top plate and the bottom plate, a working cavity is arranged between the top plate and the bottom plate, a polishing device and an axis positioning device are installed at the upper end and the lower end of the working cavity respectively, the polishing device comprises a rotating motor installed at the top of the top plate, a rotating shaft is coaxially installed on an output shaft of the rotating motor, the bottom of the connecting shaft is provided with the working motor, a polishing wheel is coaxially installed on an output shaft of the working motor, the axis positioning device comprises a positioning box, and a plurality of positioning clamps are arranged inside the positioning box. The shaft part is clamped through the multi-directional clamping plates, so that the outer wall of the shaft part is uniformly polished, meanwhile, the polishing position of the shaft part is completely positioned in the positioning box, and scraps generated by polishing are received by the positioning box and enter the polishing box, so that the scraps are prevented from scattering.

Description

Shaft part outer wall polishing machine tool

Technical Field

The invention relates to the technical field of part machining, in particular to a shaft part outer wall polishing machine tool.

Background

Because axle type part outer wall is the curved surface, consequently when polishing, need carry out accurate location to axle type part to avoid the curved surface to polish inhomogeneously, and the axle type part of polishing at present adopts artifical location or biax to hold directly to polish, leads to the curved surface precision of polishing not enough, and simultaneously, during polishing, metal sweeps spatters everywhere, is difficult to collect.

Disclosure of Invention

The invention aims to provide a shaft part outer wall polishing machine tool to solve the problems in the background technology.

In order to achieve the purpose, the invention provides a shaft part outer wall polishing machine tool, which comprises a top plate and a bottom plate, wherein support rods are symmetrically arranged between the top plate and the bottom plate, a working cavity is arranged between the top plate and the bottom plate, a polishing device and a shaft positioning device are respectively arranged at the upper end and the lower end of the working cavity, the polishing device comprises a rotating motor arranged at the top of the top plate, a rotating shaft is coaxially arranged on an output shaft of the rotating motor, the rotating shaft penetrates through the top plate, a connecting shaft is coaxially arranged at the bottom of the rotating shaft, a working motor is arranged at the bottom of the connecting shaft, a polishing wheel is coaxially arranged on the output shaft of the working motor, the shaft positioning device comprises a positioning box, a positioning shaft is arranged at the center of the positioning box, a plurality of positioning clamps are arranged in the positioning box, and are, positioning fixture is including the location slide, location slide surface sliding connection has the holder, the holder include with location slide sliding connection's mounting panel, the top of mounting panel is installed and is curved splint.

Preferably, a slide plate is arranged at the top of the positioning slide plate, a fixing plate is installed at one end of the slide plate, a rotary hole is formed in the fixing plate, a ball screw is connected in the rotary hole in a rotating mode, a screw nut is installed in the mounting plate in an embedded mode, and the ball screw is in threaded connection with the screw nut.

Preferably, the two ends of the positioning sliding plate are symmetrically provided with positioning sliding grooves, the two ends of the bottom of the mounting plate are symmetrically provided with positioning concave blocks, the positioning concave blocks are in sliding connection with the positioning sliding grooves, top grooves are reserved between the positioning concave blocks and the mounting plate, and the sliding plate is in sliding connection with the top grooves.

Preferably, the outer wall of the sliding table plate is provided with scale sizes.

Preferably, one end of the ball screw penetrates through the fixed plate and is provided with an operation plate, and the outer wall of the operation plate is provided with an operation handle.

As preferred, the inside of location case is the cavity box structure that link up downwards, filter screen and lower filter screen are installed respectively to the upper and lower both ends of location case, the bottom of location case is installed and is connect the workbin, connect the top of workbin to set up with the location case intercommunication connect the material mouth.

Preferably, the outer wall of the material receiving box is hinged with a box door.

Preferably, the central position of going up the filter screen has seted up the perforation, the location axle passes the perforation, a plurality of spouts have been seted up at the top of going up the filter screen, the spout is centre of a circle annular array along the perforation and distributes, splint pass the spout.

Preferably, the bottom of the material receiving box is provided with an ejection cylinder, and one end of the ejection cylinder is provided with a cylinder motor for driving the ejection cylinder.

Compared with the prior art, the invention has the beneficial effects that:

1. in this axle type part outer wall polishing lathe, curved splint laminating is in the inner wall department of axle type part, through multi-direction splint centre gripping axle type part to in fixed axle type part, simultaneously, the throwing aureola is rotatory along the connecting axle, realizes that axle type part outer wall evenly polishes.

2. In the outer wall polishing machine tool for the shaft parts, distance adjustment is carried out through the ball screw, and the accurate adjustment of the moving distance of the clamping plate is realized by matching with scale sizes.

3. In this axle type part outer wall polishing lathe, the polishing position of axle type part is located positioning box inside completely, and the sweeps that the polishing produced receives positioning box and gets into inside the case of polishing, prevents that the sweeps from wafting.

4. In this axle type part outer wall polishing lathe, the sweeps of location incasement portion are convenient for collect the sweeps in connecing the workbin through connecing the material mouth entering.

Drawings

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

FIG. 2 is a schematic view of the polishing apparatus of the present invention;

FIG. 3 is a schematic structural view of a shaft positioning device according to the present invention;

FIG. 4 is a schematic view of the positioning box and the material receiving box mounting structure of the present invention;

FIG. 5 is a schematic view of the upper filter screen structure of the present invention;

FIG. 6 is a schematic view of a positioning fixture according to the present invention;

FIG. 7 is a schematic view of the positioning sled of the present invention;

fig. 8 is a schematic view of the structure of the clamping member of the present invention.

The various reference numbers in the figures mean:

1. a top plate;

2. a base plate;

3. a support bar;

4. a working chamber;

5. a polishing device; 51. a rotating electric machine; 52. a rotating shaft; 53. a connecting shaft; 54. a working motor; 55. a polishing wheel;

6. a shaft positioning device;

61. a positioning box; 611. a filter screen is arranged; 612. a lower filter screen; 613. positioning the shaft; 614. perforating; 615. a chute;

62. a material receiving box; 621. a material receiving port;

63. a box door; 64. ejecting out the cylinder; 65. a cylinder motor;

7. positioning a clamp;

71. positioning the sliding plate; 711. a platen; 712. positioning the chute; 713. a fixing plate; 714. hole turning; 715. a ball screw; 716. an operation panel; 717. an operating handle; 718. scale sizes;

72. a clamping member; 721. mounting a plate; 722. a splint; 723. a feed screw nut; 724. positioning the concave block; 725. and (4) a top groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-8, the present invention provides a technical solution:

the invention provides a polishing machine tool for the outer wall of a shaft part, which comprises a top plate 1 and a bottom plate 2, wherein support rods 3 are symmetrically arranged between the top plate 1 and the bottom plate 2, a working cavity 4 is arranged between the top plate 1 and the bottom plate 2, a polishing device 5 and a shaft positioning device 6 are respectively arranged at the upper end and the lower end of the working cavity 4, the polishing device 5 and the shaft positioning device 6 are respectively used for polishing and clamping the shaft part, the polishing device 5 comprises a rotating motor 51 arranged at the top of the top plate 1, a rotating shaft 52 is coaxially arranged on an output shaft of the rotating motor 51, the rotating shaft 52 is driven to synchronously rotate by the work of the rotating motor 51, the rotating shaft 52 penetrates through the top plate 1, one end of the rotating shaft 52 conveniently penetrates through the top plate 1, a connecting shaft 53 is coaxially arranged at the bottom of the rotating, coaxial arrangement has polishing wheel 55 on the output shaft of work motor 54, drive polishing wheel 55 through work motor 54 and rotate, realize polishing of polishing wheel 55 and polish, and simultaneously, connecting axle 53 drives work motor 54 and rotates, realize that polishing wheel 55 is rotatory along connecting axle 53, realize that axle type part outer wall evenly polishes, axle type positioner 6 is including location case 61, location axle 613 is installed to the central point of location case 61, when the installation, insert axle type part and realize the fixed of axle type part in location axle 613, and then be convenient for polish the axle type part.

In the using process, because the sizes of the inner holes of the shaft parts are different, in order to be suitable for positioning all the shaft parts and simultaneously ensure the stable positioning of the shaft parts, the positioning box 61 of the invention is internally provided with a plurality of positioning clamps 7, the positioning clamps 7 are distributed along the positioning shaft 613 in a circular array at the center of a circle, so that the positioning clamps 7 are distributed near the positioning shaft 613 in a circular array manner, after the shaft parts are inserted into the positioning shaft 613, the positioning clamps 7 are distributed near the shaft parts in a circular array manner, so that the shaft parts are clamped by the positioning clamps 7, the positioning clamps 7 comprise positioning sliding plates 71, clamping pieces 72 are slidably connected to the surfaces of the positioning sliding plates 71, each clamping piece 72 comprises a mounting plate 721 slidably connected with the positioning sliding plate 71, the top of each mounting plate 721 is provided with an arc-shaped clamping plate 722, the positions of the mounting plates 721 in the positioning sliding plates 71, the shaft parts are clamped by the clamping plates 722 in multiple directions so as to be convenient for fixing the shaft parts.

In view of the fact that the shaft-like parts are polished and cylindrical, the number of the positioning clamps 7 is preferably three, and three arc-shaped clamping plates 722 are attached to three positions on the inner wall of the shaft-like parts, so that triangular positioning is realized, and the positioning effect of the shaft-like parts is further improved.

When axle type part is polished, the hole centre of a circle of axle type part is aimed at location axle 613 and is inserted earlier, promote mounting panel 721 along location slide 71 direction again, make mounting panel 721 top splint 722 laminate in the hole inner wall department of axle type part, realize the location of axle type part, at this moment, again with work motor 54 switch on, make its work, work motor 54 drives throwing aureola 55 and rotates, polish through the polishing of throwing aureola 55, and simultaneously, with rotating electrical machines 51 switch on, make its work, it is rotatory along connecting axle 53 to throw aureola 55, realize that axle type part outer wall evenly polishes.

In actual operation, when the polishing wheel 55 polishes the surface of a shaft part, moving vibration is caused, and therefore, if the clamping plate 722 is not fixed, acting force generated by the vibration is transmitted to the clamping plate 722, so that the clamping plate 722 and the shaft part are deviated, and the overall positioning effect is further influenced, therefore, a sliding plate 711 is arranged at the top of the positioning sliding plate 71, a fixing plate 713 is installed at one end of the sliding plate 711, a rotating hole 714 is formed in the fixing plate 713, a ball screw 715 is rotatably connected in the rotating hole 714, the ball screw 715 rotates in the rotating hole 714, a screw nut 723 is embedded in the mounting plate 721, the ball screw 715 and the screw nut 723 are in threaded connection, when the ball screw 715 rotates, the screw nut 723 moves linearly along the length direction of the ball screw 715, and the mounting plate 721 moves linearly along the length direction of the ball screw 715, on one hand, the adjustment of the mounting plate 721 is realized, and the clamping plate 722 at the top of the mounting plate 721 is adjusted, on the other hand, when the ball screw 715 is not rotated, the screw nut 723 is locked on the ball screw 715 and cannot move, so that the clamping plate 722 is prevented from shifting due to the fact that the polishing wheel 55 contacts vibration generated by polishing the surface of the shaft part.

Specifically, in order to prevent the mounting plate 721 from deviating when the positioning sliding plate 71 slides, the positioning sliding grooves 712 are symmetrically formed at two ends of the positioning sliding plate 71, meanwhile, the positioning concave blocks 724 are symmetrically installed at two ends of the bottom of the mounting plate 721 and are in sliding connection with the positioning sliding grooves 712, and when the mounting plate 721 slides on the top of the positioning sliding plate 71, the positioning concave blocks 724 are clamped in the positioning sliding grooves 712 to slide, so that the mounting plate 721 slides on the positioning sliding plate 71 in a positioning manner.

More specifically, an upper groove 725 is formed between the positioning concave block 724 and the mounting plate 721, the sliding table plate 711 is slidably connected with the upper groove 725, and when the mounting plate 721 slides on the top of the positioning sliding plate 71, the sliding table plate 711 is clamped in the upper groove 725 to slide, so that the mounting plate 721 slides on the positioning sliding plate 71 in a positioning manner.

When the clamping plates 722 are adjusted, it is necessary to ensure that the moving distances of the clamping plates 722 in multiple directions are equal, therefore, the outer wall of the sliding table 711 of the present invention is provided with scale sizes 718, and the scale sizes 718 are arranged along the length direction of the sliding table 711, so that when the mounting plate 721 slides on the positioning sliding plate 71, the scale sizes 718 can be aligned, the sliding distances can be recorded, the accurate adjustment of the clamping plates 722 can be realized, and the moving distances of the clamping plates 722 in multiple directions are equal.

In the actual operation process, because the diameter of the ball screw 715 is smaller, and the ball screw 715 is of a circular structure, the ball screw 715 is not easy to hold, and further force is not conveniently applied to the ball screw 715 to enable the ball screw 715 to rotate, one end of the ball screw 715 of the invention penetrates through the fixing plate 713 and is provided with the operating plate 716, the diameter of the operating plate 716 is larger than that of the ball screw 715, and meanwhile, the operating plate 716 and the ball screw 715 are welded and fixed, and the ball screw 715 is conveniently driven to rotate by rotating the operating plate 716.

An operation lever 717 is attached to an outer wall of the operation plate 716, the operation lever 717 is butterfly-shaped, and is vertically attached to an outer wall of the operation lever 717, and the operation lever 717 can be rotated by twisting the operation lever 717.

In the grinding process, the polishing wheel 55 is contacted with the outer wall of the shaft part to polish the protruding part of the outer wall of the shaft part into waste scraps to fall off, and the waste scraps are easy to float and cannot be collected because the waste scraps are light in structure, so that the positioning box 61 is internally of a hollow box body structure which is communicated downwards, the positioning box 61 has a certain height, the polishing position of the shaft part is completely positioned inside the positioning box 61 during grinding, at the moment, the waste scraps generated by polishing are received by the positioning box 61 and enter the grinding box, the waste scraps are prevented from floating, and meanwhile, the waste scraps are convenient to collect.

Specifically, in order to filter the waste scraps, an upper filter screen 611 and a lower filter screen 612 are respectively mounted at the upper end and the lower end of the positioning box 61, the upper filter screen 611 and the lower filter screen 612 are both made of metal filter screens, the materials are hard and not easy to damage, the material receiving box 62 is mounted at the bottom of the positioning box 61, the interior of the material receiving box 62 is of a hollow structure, the waste scraps are convenient to collect, a material receiving port 621 communicated with the positioning box 61 is formed in the top of the material receiving box 62, and the waste scraps in the positioning box 61 enter the material receiving box 62 through the material receiving port 621, so that the waste scraps are convenient to collect.

More specifically, in order to facilitate cleaning of the waste in the material receiving box 62, the outer wall of the material receiving box 62 is hinged to a box door 63, and the box door 63 can be opened from the material receiving box 62, so that the waste in the material receiving box 62 can be taken out from the box door 63.

Because the upper filter screen 611 and the lower filter screen 612 are arranged in the positioning box 61, and the positioning shaft 613 and the positioning fixture 7 are arranged in the positioning box 61, in order that the upper filter screen 611 and the lower filter screen 612 do not affect the installation of the positioning shaft 613 and the positioning fixture 7, a through hole 614 is formed in the center of the upper filter screen 611, so that the positioning shaft 613 can pass through the through hole 614 and penetrate out of the through hole 614, the shaft parts are placed on the upper filter screen 611, the shaft parts are fixed at the positioning shaft 613 at the top of the upper filter screen 611, a plurality of sliding grooves 615 are formed in the top of the upper filter screen 611, the sliding grooves 615 are distributed along the through hole 614 in a circle center annular array, the clamping plate 722 passes through the sliding grooves 615, and the clamping plate 722 is slidably connected with the sliding.

In the actual operation process, earlier place axle type part in last filter screen 611 department, and aim at the hole centre of a circle of axle type part location axle 613 and insert, at this moment, promote mounting panel 721 along location slide 71 direction, make mounting panel 721 top splint 722 slide in spout 615, and laminate splint 722 in the hole inner wall department of axle type part, realize the location of axle type part, and the sweeps after polishing drops to location case 61 in, filter the sweeps through last filter screen 611 and lower filter screen 612, the sweeps after the filtration gets into in connecing workbin 62 through connecing material mouthful 621, realize the sweeps and collect.

In the specific use process, because the lengths of the shaft parts are unequal, in order to attach the positions of the shaft parts to the polishing wheel 55, the bottom of the material receiving box 62 is provided with the ejection cylinder 64, one end of the ejection cylinder 64 is provided with the cylinder motor 65 for driving the ejection cylinder 64, the cylinder motor 65 is powered on to work, the ejection cylinder 64 drives the material receiving box 62 to move, and then the position of the positioning box 61 is changed, so that the polishing positions of the shaft parts in the positioning box 61 are close to the polishing wheel 55.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an axle type part outer wall polishing lathe, includes roof (1) and bottom plate (2), bracing piece (3) are installed to the symmetry between roof (1) and bottom plate (2), be provided with working chamber (4), its characterized in that between roof (1) and bottom plate (2): grinding device (5) and axle type positioner (6) are installed respectively to the upper and lower both ends of working chamber (4), grinding device (5) is including installing rotating electrical machines (51) at roof (1) top, the output shaft coaxial arrangement of rotating electrical machines (51) has rotation axis (52), rotation axis (52) pass roof (1), just bottom coaxial arrangement of rotation axis (52) has connecting axle (53), working electrical machines (54) are installed to the bottom of connecting axle (53), coaxial arrangement has polishing wheel (55) on the output shaft of working electrical machines (54), axle type positioner (6) include location case (61), location axle (613) are installed to the central point of location case (61), the inside of location case (61) is provided with a plurality of positioning fixture (7), positioning fixture (7) are centre of a circle annular array along location axle (613) and distribute, positioning fixture (7) are including location slide (71), location slide (71) surface sliding connection has holder (72), holder (72) include with location slide (71) sliding connection's mounting panel (721), splint (722) that are the arc are installed to the top of mounting panel (721).

2. The shaft part outer wall polishing machine tool according to claim 1, characterized in that: the top of the positioning sliding plate (71) is provided with a sliding plate (711), one end of the sliding plate (711) is provided with a fixing plate (713), a rotating hole (714) is formed in the fixing plate (713), a ball screw (715) is rotatably connected in the rotating hole (714), a screw nut (723) is embedded in the mounting plate (721), and the ball screw (715) is in threaded connection with the screw nut (723).

3. The shaft part outer wall polishing machine tool according to claim 2, characterized in that: the positioning sliding plate is characterized in that positioning sliding grooves (712) are symmetrically formed in two ends of the positioning sliding plate (71), positioning concave blocks (724) are symmetrically arranged at two ends of the bottom of the mounting plate (721), the positioning concave blocks (724) are in sliding connection with the positioning sliding grooves (712), top grooves (725) are reserved between the positioning concave blocks (724) and the mounting plate (721), and the sliding plate (711) is in sliding connection with the top grooves (725).

4. The shaft part outer wall polishing machine tool according to claim 2, characterized in that: the outer wall of the sliding table plate (711) is provided with scale sizes (718).

5. The shaft part outer wall polishing machine tool according to claim 2, characterized in that: one end of the ball screw (715) penetrates through the fixing plate (713) and is provided with an operating plate (716), and an operating handle (717) is arranged on the outer wall of the operating plate (716).

6. The shaft part outer wall polishing machine tool according to claim 1, characterized in that: the inside of location case (61) is the cavity box structure that link up downwards, filter screen (611) and lower filter screen (612) are installed respectively to the upper and lower both ends of location case (61), the bottom of location case (61) is installed and is connect workbin (62), connect the top of workbin (62) to offer and connect material mouth (621) that is linked together with location case (61).

7. The shaft part outer wall polishing machine tool according to claim 6, characterized in that: the outer wall of the material receiving box (62) is hinged with a box door (63).

8. The shaft part outer wall polishing machine tool according to claim 6, characterized in that: the center of the upper filter screen (611) is provided with a through hole (614), the positioning shaft (613) penetrates through the through hole (614), the top of the upper filter screen (611) is provided with a plurality of sliding grooves (615), the sliding grooves (615) are distributed along the through hole (614) in a circle center annular array, and the clamping plate (722) penetrates through the sliding grooves (615).

9. The shaft part outer wall polishing machine tool according to claim 6, characterized in that: the bottom of the material receiving box (62) is provided with an ejection cylinder (64), and one end of the ejection cylinder (64) is provided with a cylinder motor (65) for driving the ejection cylinder (64).