CN213352205U

CN213352205U - Positioning device for machining center hole of high-speed cambered-surface bevel gear

Info

Publication number: CN213352205U
Application number: CN202022159815.8U
Authority: CN
Inventors: 程正伟; 方永锋
Original assignee: Guizhou University of Engineering Science
Current assignee: Guizhou University of Engineering Science
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-04
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a positioning device for processing a center hole of a high-speed cambered surface bevel gear, which comprises a supporting column, a shell, a bottom plate, a positioning groove, a rubber sheet and a clamping mechanism, the clamping mechanism is arranged at the inner side of the shell, a sliding block is driven to vertically move by rotating a screw rod, the slide block drives the curved plate to rotate outwards through the groove, the curved plate pushes the transmission frame to move outwards in the process of rotating outwards, and the transmission frame pushes the fixedly connected clamping plate to move outwards to apply thrust to the bevel gear with the cambered surface at the inner side of the positioning groove, so that the left end and the right end of the bevel gear are respectively clamped and fixed by the left end of the inner side of the positioning groove and the left end surface of the clamping plate, simultaneously because the slider outside is provided with individual cardboard for a plurality of cardboards can fix a position a plurality of bevel gears simultaneously, have reached and have carried out fixed position to a plurality of bevel gears simultaneously, have improved work efficiency's beneficial effect.

Description

Positioning device for machining center hole of high-speed cambered-surface bevel gear

Technical Field

The utility model particularly relates to a positioner of high-speed cambered surface bevel gear centre bore processing relates to the relevant field of positioner.

Background

The bevel gear is used for transmitting the motion and power between two intersecting shafts, in general machinery, the intersection angle between two shafts of the bevel gear is equal to 90 degrees (but may not be equal to 90 degrees), similar to a cylindrical gear, the bevel gear is provided with a reference cone, an addendum cone, a dedendum cone and a base cone, the cone is provided with a large end and a small end, circles corresponding to the large end are respectively called a reference circle (the radius of the reference circle is r), an addendum circle, a dedendum circle and a base circle, the motion of a pair of bevel gears is equivalent to that a pair of pitch cones roll purely, wherein a cambered surface needs to be positioned by a positioning device in the process of processing a central hole of the bevel gear, so as.

When the positioning device positions the arc-surface bevel gear, one positioning device usually corresponds to one bevel gear, and when the number of the bevel gears needing to be processed is large, the bevel gears need to be continuously taken down and positioned, so that the repeated operation reduces the overall working efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a positioner of high-speed cambered surface bevel gear centre bore processing here.

The utility model is realized in such a way, a positioning device for processing the center hole of the high-speed cambered bevel gear is constructed, the device comprises a supporting column and a shell, the two ends of the supporting column are respectively locked on the bottom end surface of the shell and the top end surface of a bottom plate, a clamping mechanism comprises a placing groove, a screw rod, a slider, a curved plate, a cylinder, a groove, a guide rod and a transmission frame, the placing groove is arranged at the top end inside the shell, the screw rod is rotatably connected with the bottom end inside the placing groove after passing through the middle parts of the top end surfaces of the shell and the slider, the middle part of the front end surface of the curved plate is rotatably connected with the front end inside the placing groove through a rotating shaft, the curved plate movably extends into the inner side of the groove arranged on the side surface of the slider, the cylinder is arranged on the right sides of the front end and the rear end of the curved, the transmission frame is tightly attached to the left end face of the bent plate.

Preferably, four ends of the top end face of the shell are provided with positioning grooves, and rubber sheets are adhered to the inner sides of the positioning grooves.

Preferably, clamping mechanism still includes and just sets up in the inboard bottom of constant head tank positioning mechanism, spring, L type backup pad and cardboard, spring both ends are fixed connection respectively in L type backup pad right-hand member face and the inboard right-hand member face of driving frame, and the terminal surface before L type backup pad lock closes in the standing groove is inboard, the cardboard is fastened in the driving frame left end face, and the cardboard runs through in the inboard left end face top of standing groove.

Preferably, the primary positioning mechanism comprises a T-shaped rod, a through hole, a fixing plate, a through hole and a return spring, the T-shaped rod slides up and down along the inner side of the through hole, the through hole penetrates through the middle of the bottom end face of the inner side of the positioning groove and the bottom end face of the shell, the fixing plate is fastened at the bottom end of the inner side of the through hole, the through hole is formed in the top end face of the fixing plate, and two ends of the return spring are fixedly connected to the middle of the bottom end face of the T-.

Preferably, round holes are formed in the middle of the left end and the right end of the L-shaped supporting plate, and the round holes correspond to the outer sides of the transmission frames in position.

Preferably, a screw hole is formed in the middle of the top end face of the sliding block, and the inner side of the screw hole is in threaded fit with the side surface of the screw rod.

Preferably, the guide rod is of a T-shaped structure, and the bottom end face of the sliding block is provided with a matched inverted T-shaped groove.

Preferably, more than two through holes are formed in the through holes at equal intervals and are perpendicular to the top end face of the fixing plate.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a positioner of high-speed cambered surface bevel gear centre bore processing here, compare with equipment of the same type, have following improvement:

the method has the advantages that: a positioner of high-speed cambered surface bevel gear centre bore processing, through having set up clamping mechanism in the shell inboard, drive slider vertical movement through rotating the screw rod, and the slider drives the bent plate through the recess and outwards rotates, the bent plate promotes the drive frame at the in-process of outwards rotating and outwards removes, and the drive frame promotes fixed connection's cardboard and outwards removes and applys thrust to the inboard cambered surface bevel gear of constant head tank, thereby it presss from both sides tightly fixedly to make bevel gear control both ends respectively by the inboard left end of constant head tank and cardboard left end face, simultaneously because the slider outside is provided with the cardboard to a plurality of, make a plurality of cardboards can fix a position a plurality of bevel gears simultaneously, reached and carried out fixed position to a plurality of bevel gears simultaneously, work efficiency's beneficial effect has been improved.

The method has the advantages that: a positioner of high-speed cambered surface bevel gear centre bore processing is T type structure through the guide arm, and the slider bottom face has seted up the matched with type of falling T groove, prevents that the guide arm from droing in the slider inboard.

Drawings

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

fig. 2 is a schematic front sectional view of the locking mechanism of the present invention;

fig. 3 is a schematic view of the connection structure of the L-shaped supporting plate in a top view;

fig. 4 is a schematic view of the slider structure of the present invention;

fig. 5 is an enlarged schematic view of a structure in fig. 2 according to the present invention.

Wherein: the device comprises a support column-1, a shell-2, a bottom plate-3, a positioning groove-4, a rubber sheet-5, a clamping mechanism-6, a placing groove-61, a screw rod-62, a sliding block-63, a curved plate-64, a cylinder-65, a groove-66, a guide rod-67, a transmission frame-68, a primary positioning mechanism-69, a spring-610, an L-shaped support plate-611, a clamping plate-612, a T-shaped rod-691, a through hole-692, a fixing plate-693, a through hole-694 and a return spring-695.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a positioning device for processing a center hole of a high-speed bevel gear with a cambered surface, which includes a supporting pillar 1 and a casing 2, wherein two ends of the supporting pillar 1 are respectively locked on a bottom end surface of the casing 2 and a top end surface of a bottom plate 3, four ends of the top end surface of the casing 2 are provided with positioning slots 4, and a rubber sheet 5 is adhered to an inner side of each positioning slot 4.

Referring to fig. 2 to 4, the present invention provides a positioning device for processing a center hole of a high-speed bevel gear with a curved surface by improving, wherein the positioning mechanism 6 comprises a placement groove 61, a screw 62, a slider 63, a curved plate 64, a cylinder 65, a groove 66, a guide rod 67 and a transmission frame 68, the placement groove 61 is disposed at the top end inside the housing 2, the screw 62 is rotatably connected to the bottom end inside the placement groove 61 after passing through the middle portion of the top end surfaces of the housing 2 and the slider 63, the middle portion of the top end surface of the slider 63 is provided with a screw hole, the inner side of the screw hole is in threaded fit with the side surface of the screw 62, so that the screw 62 is rotated to drive the slider 63 to vertically move, the middle portion of the front end surface of the curved plate 64 is rotatably connected to the front end inside the placement groove 61 through a rotating shaft, the curved plate 64 movably extends into the inner side of the groove 66 formed at the side surface of the slider 63, the guide rod 67 is fastened in the inside bottom end face of the placing groove 61, the guide rod 67 penetrates through the bottom end face of the sliding block 63, the guide rod 67 is of a T-shaped structure, the bottom end face of the sliding block 63 is provided with a matched inverted T-shaped groove, the guide rod 67 is prevented from falling off from the inside of the sliding block 63, and the transmission frame 68 is tightly attached to the left end face of the bent plate 64.

Please refer to fig. 2 to 4, the utility model provides a positioner of high-speed cambered surface bevel gear centre bore processing here through the improvement, clamping mechanism 6 still includes initial positioning mechanism 69, spring 610, L type backup pad 611 and cardboard 612, initial positioning mechanism 69 sets up in the inboard bottom of constant head tank 4, spring 610 both ends are fixed connection respectively in the inboard right-hand member face of L type backup pad 611 right-hand member face and transmission frame 68, and L type backup pad 611 closure is in standing groove 61 inboard preceding terminal surface, the round hole has been seted up at both ends middle part about L type backup pad 611, and the position size of round hole is corresponding to the transmission frame 68 outside, be convenient for make transmission frame 68 carry out stable horizontal migration, cardboard 612 fastens in transmission frame 68 left end face, and cardboard 612 runs through in standing groove 61 inboard left end face top.

Referring to fig. 5, the present invention provides a positioning device for processing a center hole of a high-speed bevel gear with a curved surface, wherein the initial positioning mechanism 69 includes a T-shaped rod 691, a through hole 692, a fixing plate 693, a through hole 694 and a return spring 695, the T-shaped rod 691 slides up and down along the inner side of the through hole 692, the through hole 692 penetrates through the middle portion of the bottom end surface of the inner side of the positioning groove 4 and the bottom end surface of the housing 2, the through hole 692 is provided with two or more top end surfaces at equal intervals on the fixing plate 693, the top end surface of the through hole 692 is perpendicular to the top end surface of the fixing plate 693, the fixing plate 693 is fastened to the bottom end surface of the inner side of the through hole 692, the through hole 694 is opened on the top end surface of the fixing plate 693, and two ends.

The utility model provides a positioning device for processing the center hole of a high-speed cambered surface bevel gear through improvement, and the working principle is as follows;

firstly, the device is integrally and stably placed at a designated position, then four bevel gears needing to be processed can be placed on the inner sides of the positioning grooves 4, the side surfaces of the bevel gears are attached to the inner side end surfaces of the rubber sheets 5, and the bottom ends of the inner sides of center holes of the bevel gears are attached to the tops of the outer sides of the T-shaped rods 691;

secondly, the sliding block 63 can be driven to vertically move by rotating the screw 62, and the sliding block 63 drives the curved plate 64 and the cylinder 65 to rotate outwards through the groove 66 and the joint groove formed in the groove 66 in the vertical moving process, the curved plate 64 contacts the transmission frame 68 in the outwards rotating process, and, during the continuous vertical movement of the slider 63, the curved plate 64 is continuously rotated outward, and the curved plate 64 pushes the transmission frame 68 to move outwards, and the transmission frame 68 pushes the fixedly connected clamping plate 612 to move outwards to apply thrust to the bevel arc gear on the inner side of the positioning slot 4, so that the left and right ends of the bevel gear are respectively clamped and fixed by the left end of the inner side of the positioning groove 4, the left end surface of the clamping plate 612 and the top of the right end surface of the T-shaped rod 691, meanwhile, as the outer sides of the sliding blocks 63 are provided with the clamping plates 612, the plurality of clamping plates 612 can simultaneously position and fix the plurality of bevel gears;

thirdly, when the bevel gears are positioned, the center hole can be machined, and thrust needs to be applied to the T-shaped rod 691 in the machining process, so that the T-shaped rod 691 moves downwards and the return spring 695 is stressed and compressed, and the machining length of the center hole is increased.

The utility model provides a high-speed cambered surface bevel gear centre bore processing's positioner through improving and providing, drive slider 63 vertical movement through rotating screw rod 62, and slider 63 drives bent plate 64 and cylinder 65 outwards rotation through recess 66 and the linking groove that sets up in the recess 66 in the vertical movement's in-process, bent plate 64 contacts drive frame 68 in the in-process that outwards rotates, and in the in-process that slider 63 lasts vertical movement, make bent plate 64 continuously outwards rotate, and bent plate 64 promotes drive frame 68 outwards to move, and drive frame 68 promotes fixed connection's cardboard 612 outwards to move and exert thrust to the cambered surface bevel gear of constant head tank 4 inboard, thereby make bevel gear left and right ends clamp fixedly by constant head tank 4 inboard left end and cardboard 612 left end face and T type pole 691 right end face top respectively, simultaneously because the slider 63 outside is provided with individual cardboard 612, the clamping plates 612 can simultaneously position and fix the bevel gears, so that the bevel gears can be fixed and positioned at the same time, and the working efficiency is improved; the guide rod 67 is of a T-shaped structure, and the bottom end face of the sliding block 63 is provided with a matched inverted T-shaped groove, so that the guide rod 67 is prevented from falling off from the inner side of the sliding block 63.

Claims

1. A positioning device for processing a center hole of a high-speed cambered surface bevel gear comprises a supporting column (1) and a shell (2), wherein two ends of the supporting column (1) are respectively locked on the bottom end surface of the shell (2) and the top end surface of a bottom plate (3);

the method is characterized in that: the clamping device is characterized by further comprising a clamping mechanism (6), the clamping mechanism (6) is arranged on the inner side of the shell (2), the clamping mechanism (6) comprises a placing groove (61), a screw rod (62), a sliding block (63), a curved plate (64), a cylinder (65), a groove (66), a guide rod (67) and a transmission frame (68), the placing groove (61) is arranged at the top end inside the shell (2), the screw rod (62) penetrates through the middle portion of the top end face of the shell (2) and the sliding block (63) and then is rotatably connected with the bottom end of the inner side of the placing groove (61), the middle portion of the front end face of the curved plate (64) is rotatably connected with the front end of the inner side of the placing groove (61) through a rotating shaft, the curved plate (64) movably extends into the inner side of the groove (66) formed in the side surface of the sliding block (63), the cylinder (65) is arranged on the right sides of the front and back two ends of the curved plate (64), the guide rod (67) is fastened on the bottom end face of the inner side of the placing groove (61), the guide rod (67) penetrates through the bottom end face of the sliding block (63), and the transmission frame (68) is tightly attached to the left end face of the bent plate (64).

2. The positioning device for high-speed bevel gear center hole machining according to claim 1, wherein: four ends of the top end face of the shell (2) are provided with positioning grooves (4), and rubber sheets (5) are adhered to the inner sides of the positioning grooves (4).

3. The positioning device for high-speed bevel gear center hole machining according to claim 1, wherein: clamping mechanism (6) still include initial positioning mechanism (69), spring (610), L type backup pad (611) and cardboard (612), initial positioning mechanism (69) sets up in constant head tank (4) inboard bottom, spring (610) both ends are fixed connection respectively in L type backup pad (611) right-hand member face and driving frame (68) inboard right-hand member face, and L type backup pad (611) closure in standing groove (61) inboard preceding terminal surface, cardboard (612) fasten in driving frame (68) left end face, and cardboard (612) run through in standing groove (61) inboard left end face top.

4. The positioning device for high-speed bevel gear center hole machining according to claim 3, wherein: the primary positioning mechanism (69) comprises a T-shaped rod (691), a through hole (692), a fixing plate (693), a through hole (694) and a return spring (695), the T-shaped rod (691) slides up and down along the inner side of the through hole (692), the through hole (692) penetrates through the middle of the bottom end face of the inner side of the positioning groove (4) and the bottom end face of the shell (2), the fixing plate (693) is fastened at the bottom end of the inner side of the through hole (692), the through hole (694) is arranged on the top end face of the fixing plate (693), and two ends of the return spring (695) are fixedly connected to the middle of the bottom end face of the T-shaped rod (691) and the middle of the.

5. The positioning device for high-speed bevel gear center hole machining according to claim 3, wherein: round holes are formed in the middle of the left end and the right end of the L-shaped supporting plate (611), and the round holes correspond to the outer sides of the transmission frames (68).

6. The positioning device for high-speed bevel gear center hole machining according to claim 1, wherein: the middle part of the top end face of the sliding block (63) is provided with a screw hole, and the inner side of the screw hole is in threaded fit with the side surface of the screw rod (62).

7. The positioning device for high-speed bevel gear center hole machining according to claim 1, wherein: the guide rod (67) is of a T-shaped structure, and a matched inverted T-shaped groove is formed in the bottom end face of the sliding block (63).

8. The positioning device for high-speed bevel gear center hole machining according to claim 4, wherein: more than two through holes (692) are arranged at equal intervals on the top end surface of the fixing plate (693), and the inner side of each through hole (692) is perpendicular to the top end surface of the fixing plate (693).