CN212682701U

CN212682701U - Gear positioning device in gear processing machine

Info

Publication number: CN212682701U
Application number: CN202021443769.8U
Authority: CN
Inventors: 刘波
Original assignee: Changzhou Sanheng Machinery Co ltd
Current assignee: Changzhou Sanheng Machinery Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-12
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a gear positioning device in gear processing machine, concretely relates to gear processing field, comprising a base plate, the equal fixed mounting support frame in top both sides of bottom plate, two fixed mounting has the slide rail between the support frame top, the bottom of slide rail slides and is equipped with the cutter, the top intermediate position department fixed mounting of bottom plate has the location case, there is the screw rod inner chamber bottom of location case through bearing movable mounting, the top activity of screw rod runs through the top of location case and extends to outside the location case, the top of location case is provided with fixed establishment, fixed establishment's the outside is provided with gear workpiece. The utility model discloses a set up fixed establishment, rotate the screw rod, the screw rod drives the bell-shaped block anticlockwise rotation, and the bell-shaped block rotates and promotes the dead lever and removes to the fixed sleeve outside, and first spring is stretched, and the roof removes to gear workpiece's axle center hole inner wall, realizes that the counter gear workpiece is fixed.

Description

Gear positioning device in gear processing machine

Technical Field

The utility model relates to a gear machining technical field, more specifically says, the utility model relates to a gear positioning device in gear processing machine.

Background

Gear processing machines are machines that process the teeth of various spur gears, bevel gears and other toothed parts. The gear processing machine has various specifications, and there are a small machine for processing a gear having a diameter of several millimeters, a large machine for processing a gear having a diameter of ten or more meters, a high-efficiency machine for mass production, and a high-precision machine for processing a precision gear. Gear processing machines are widely applied to various machine manufacturing industries such as automobiles, tractors, machine tools, engineering machinery, mining machinery, metallurgical machinery, petroleum, instruments, airplanes, spacecrafts and the like; the gear machining device that uses at present is many, but no matter which kind of processingequipment all need fix gear machining material, then cooperate the cutting edge to process.

However, the existing gear positioning device still has more defects in actual use, for example, most of the existing gear positioning devices clamp both sides of gear processing materials, so that although a certain clamping force is provided, in the process of processing gear teeth, the positioning device often influences the feed path of a tool, and therefore a positioning device for fixing a gear shaft center hole needs to be designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a gear positioning device in gear processing machine, the utility model aims to solve the problem that: the clamping force of the existing gear positioning device is not enough, so that the gear is easy to slide during machining, and the machining effect is influenced.

In order to achieve the above object, the utility model provides a following technical scheme: a gear positioning device in a gear processing machine comprises a bottom plate, wherein support frames are fixedly arranged on two sides of the top of the bottom plate, a sliding rail is fixedly arranged between the tops of the two support frames, a cutter is arranged at the bottom of the sliding rail in a sliding mode, a positioning box is fixedly arranged in the middle of the top of the bottom plate, a screw is movably arranged at the bottom of an inner cavity of the positioning box through a bearing, the top end of the screw movably penetrates through the top of the positioning box and extends out of the positioning box, a fixing mechanism is arranged at the top of the positioning box, and a gear workpiece is arranged on the outer side of the fixing mechanism;

fixed establishment includes fixed sleeve, fixed sleeve fixed mounting is at the top of location case, just fixed sleeve suit is outside the pole wall of screw rod, just fixed sleeve and screw rod are coaxial setting, the dead lever that the annular array set up is installed in fixed sleeve's periphery side activity through, the dead lever is located the outer tip fixed mounting of fixed sleeve and has the roof, the roof is the arc structure, the first spring of fixedly connected with between the inboard of roof and the fixed sleeve's the outside, first spring activity suit is outside the pole wall of dead lever, integrated into one piece has the toper piece that the annular array set up on the pole wall that the screw rod is located fixed sleeve, toper piece and the tip extrusion contact that the dead lever is located fixed sleeve.

In a preferred embodiment, a driving motor is fixedly installed at the bottom of the inner cavity of the positioning box, an output shaft of the driving motor is fixedly connected with a driving bevel gear through a coupler, a driven bevel gear is fixedly sleeved on a rod wall of the screw rod in the positioning box, and the driven bevel gear is in meshed connection with the driving bevel gear.

In a preferred embodiment, the gear workpiece is sleeved on the outer periphery of the top plate, a pressing plate is sleeved on the rod wall of the screw in a threaded manner, and the pressing plate is located above the gear workpiece.

In a preferred embodiment, a second spring is fixedly mounted on the outer side of the bottom of the pressing plate, a pressing block is fixedly mounted at the bottom end of the second spring, and the pressing block is in pressing contact with the top of the gear workpiece.

In a preferred embodiment, the top of the pressing plate is integrally formed with a threaded sleeve which is movably sleeved on the rod wall of the screw rod.

In a preferred embodiment, a rubber pad is disposed on the outer peripheral side of the top plate, and the rubber pad is fixedly bonded to the top plate.

In a preferred embodiment, a washer is fixedly mounted on the top of the positioning box, the top of the washer is in contact with the bottom of the gear workpiece, and the washer is sleeved on the bottom of the outer periphery side of the fixing sleeve.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up fixed establishment, rotate the screw rod, the screw rod drives the toper piece anticlockwise rotation, the toper piece rotates and promotes the dead lever to move to the fixed sleeve outside, first spring is stretched, the roof moves to the axle center hole inner wall of gear workpiece, realize fixing gear workpiece, and fix gear workpiece from the axle center hole, avoided the cutter when processing the teeth of a cogwheel, take place to interfere with fixed establishment, and the setting of fixed establishment, can fix gear workpiece of different sizes, be favorable to improving the practicality of device, compared with the prior art, there is the progress of realizing fixing gear workpiece;

2. the utility model discloses a set up the pressure strip, when fixed gear workpiece axle center, still compress tightly its top with the pressure strip, second spring and compact heap further provide the packing force for compressing tightly gear workpiece, gear workpiece's the effect that compresses tightly has been improved greatly, avoid gear workpiece not hard up, the setting of thread bush, be convenient for adjust the position of pressure strip on the screw rod, the convenient gear that is applicable to different thickness, improve the suitability, through setting up the packing ring, the friction between gear workpiece bottom surface and the locating box top surface has been increased, avoid its slip, compared with the prior art, there is the progress that the tight effect of improving device pair gear workpiece clamp.

Drawings

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

FIG. 2 is a schematic view of the M-M view of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the pressing plate and the thread bushing of the present invention.

The reference signs are: the device comprises a base plate 1, a support frame 2, a slide rail 3, a cutter 31, a positioning box 4, a driving motor 41, a driving bevel gear 42, a washer 43, a screw 5, a driven bevel gear 51, a conical block 52, a fixing mechanism 6, a fixing sleeve 61, a fixing rod 62, a top plate 63, a first spring 64, a rubber pad 65, a pressure plate 7, a threaded sleeve 70, a second spring 71, a pressure block 72 and a gear workpiece 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.

The utility model relates to a gear positioning device in gear processing machine of embodiment can include bottom plate 1, the equal fixed mounting support frame 2 in top both sides of bottom plate 1, two fixed mounting has slide rail 3 between 2 tops of support frame, the bottom of slide rail 3 slides and is equipped with cutter 31, the top intermediate position department fixed mounting of bottom plate 1 has location case 4, there is screw rod 5 location case 4's inner chamber bottom through bearing movable mounting, the top activity of screw rod 5 runs through the top of location case 4 and extends to outside location case 4, the top of location case 4 is provided with fixed establishment 6, the outside of fixed establishment 6 is provided with gear workpiece 8.

Referring to fig. 1 and 2 of the specification, the fixing mechanism 6 of the gear positioning device in the gear processing machine of this embodiment includes a fixing sleeve 61, the fixing sleeve 61 is fixedly installed on the top of the positioning box 4, the fixed sleeve 61 is sleeved outside the rod wall of the screw rod 5, the fixed sleeve 61 and the screw rod 5 are coaxially arranged, the outer periphery of the fixed sleeve 61 is movably penetrated and installed with a fixed rod 62 arranged in a ring array, the end part of the fixing rod 62, which is positioned outside the fixing sleeve 61, is fixedly provided with a top plate 63, the top plate 63 is of an arc-shaped structure, a first spring 64 is fixedly connected between the inner side of the top plate 63 and the outer side of the fixed sleeve 61, the first spring 64 is movably sleeved outside the rod wall of the fixing rod 62, the conical blocks 52 arranged in an annular array are integrally formed on the rod wall of the screw 5 positioned in the fixing sleeve 61, the tapered block 52 is in pressing contact with the end of the fixing rod 62 located within the fixing sleeve 61.

As shown in fig. 1 and 2, the implementation scenario specifically includes: in practical use, a gear workpiece 8 of a gear tooth to be machined is sleeved on the outer side of the top plate 63, a fixing mechanism 6 is used for fixing a shaft center hole of the gear workpiece 8 from the inside, so that the effect of fixing the gear workpiece 8 is achieved, then the cutter 31 is used for sliding on the sliding rail 3, so that the gear tooth machining of the gear workpiece 8 is completed, through the arrangement of the fixing mechanism 6, when the gear workpiece 8 needs to be fixed, the gear workpiece 8 is firstly sleeved on the outer side of the top plate 63, the screw rod 5 is rotated, the screw rod 5 drives the conical block 52 to rotate anticlockwise, the conical block 52 is in extrusion contact with one end of the fixing rod 62, so that when the conical block 52 rotates, the fixing rod 62 can be pushed to move towards the outer side of the fixing sleeve 61, the first spring 64 is stretched, the top plate 63 moves towards the inner wall of the shaft center hole of the gear workpiece 8, so that the gear workpiece 8 is fixed from the shaft center hole, and the cutter 31, and fixing mechanism 6's setting can be fixed gear workpiece 8 of equidimension not, is favorable to improving the practicality of device, and this embodiment has specifically solved the problem that the gear positioner who exists among the prior art easily produces the influence to the processing teeth of a cogwheel.

The bottom of the inner cavity of the positioning box 4 is fixedly provided with a driving motor 41, an output shaft of the driving motor 41 is fixedly connected with a driving bevel gear 42 through a coupler, a driven bevel gear 51 is fixedly sleeved on the rod wall of the screw 5 positioned in the positioning box 4, and the driven bevel gear 51 is meshed with the driving bevel gear 42.

The gear workpiece 8 is sleeved on the outer peripheral side of the top plate 63, a pressing plate 7 is sleeved on the rod wall of the screw rod 5 in a threaded mode, and the pressing plate 7 is located above the gear workpiece 8.

A second spring 71 is fixedly mounted on the outer side of the bottom of the pressing plate 7, a pressing block 72 is fixedly mounted at the bottom end of the second spring 71, and the pressing block 72 is in pressing contact with the top of the gear workpiece 8.

The top of the pressure strip 7 is integrally formed with a threaded sleeve 70, and the threaded sleeve 70 is movably sleeved on the rod wall of the screw 5.

A rubber pad 65 is arranged on the outer periphery of the top plate 63, and the rubber pad 65 is fixedly bonded with the top plate 63.

A washer 43 is fixedly mounted on the top of the positioning box 4, the top of the washer 43 contacts with the bottom of the gear workpiece 8, and the washer 43 is sleeved on the bottom of the outer periphery of the fixing sleeve 61.

As shown in fig. 1 to 4, the implementation scenario specifically includes: in practical use, the driving motor 41 is started to drive the driving bevel gear 42 to rotate by arranging the driving motor 41, the driving bevel gear 42 and the driven bevel gear 51, the driving bevel gear 42 is meshed with the driven bevel gear 51, so that the screw 5 is driven to rotate, a driving force is provided for adjusting the elongation of the fixing rod 62 by the fixing mechanism 6, the top of the gear workpiece 8 is pressed by the pressing plate 7 while the axis of the gear workpiece 8 is fixed by arranging the pressing plate 7, the second spring 71 and the pressing block 72 further provide pressing force for pressing the gear workpiece 8, the pressing effect on the gear workpiece 8 is greatly improved, the gear workpiece 8 is prevented from loosening, the arrangement of the threaded sleeve 70 is convenient for adjusting the position of the pressing plate 7 on the screw 5, the gear workpiece is conveniently suitable for gears with different thicknesses, the applicability is improved, and the friction between the bottom surface of the gear workpiece 8 and the top surface of the positioning box 4 is increased by arranging the, avoid its slip, this embodiment has specifically solved the gear positioner who exists among the prior art and has clamped the poor problem of effect.

In summary, the following steps: the utility model discloses a set up fixed establishment 6, rotate screw rod 5, screw rod 5 drives toper piece 52 anticlockwise rotation, toper piece 52 rotates and promotes dead lever 62 and removes to the fixed sleeve 61 outside, first spring 64 is tensile, roof 63 removes to gear workpiece 8's axle center hole inner wall, it is fixed to realize gear workpiece 8, and fix gear workpiece 8 from the axle center hole, cutter 31 has been avoided when the processing teeth of a cogwheel, take place to interfere with fixed establishment 6, and fixed establishment 6's setting, can fix gear workpiece 8 of equidimension not, be favorable to improving the practicality of device.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gear positioning device in a gear processing machine, comprising a base plate (1), characterized in that: the gear rack is characterized in that support frames (2) are fixedly mounted on two sides of the top of the bottom plate (1), a sliding rail (3) is fixedly mounted between the tops of the two support frames (2), a cutter (31) is slidably arranged at the bottom of the sliding rail (3), a positioning box (4) is fixedly mounted in the middle of the top of the bottom plate (1), a screw rod (5) is movably mounted at the bottom of an inner cavity of the positioning box (4) through a bearing, the top end of the screw rod (5) movably penetrates through the top of the positioning box (4) and extends out of the positioning box (4), a fixing mechanism (6) is arranged at the top of the positioning box (4), and a gear workpiece (8) is arranged on the outer side of the fixing;

the fixing mechanism (6) comprises a fixing sleeve (61), the fixing sleeve (61) is fixedly installed at the top of the positioning box (4), the fixing sleeve (61) is sleeved outside the rod wall of the screw rod (5), the fixing sleeve (61) and the screw rod (5) are coaxially arranged, a fixing rod (62) arranged in an annular array is movably installed on the outer peripheral side of the fixing sleeve (61) in a penetrating mode, a top plate (63) is fixedly installed at the end portion, located outside the fixing sleeve (61), of the fixing rod (62), the top plate (63) is of an arc-shaped structure, a first spring (64) is fixedly connected between the inner side of the top plate (63) and the outer side of the fixing sleeve (61), the first spring (64) is movably sleeved outside the rod wall of the fixing rod (62), and a conical block (52) arranged in the annular array is integrally formed on the rod wall, located inside the fixing sleeve (61), of the screw rod (5), the conical block (52) is in pressing contact with the end of the fixing rod (62) located in the fixing sleeve (61).

2. The gear positioning apparatus in a gear processing machine according to claim 1, wherein: the inner chamber bottom fixed mounting of location case (4) has driving motor (41), the output shaft of driving motor (41) passes through shaft coupling fixedly connected with initiative bevel gear (42), fixed suit head driven bevel gear (51) are fixed on the pole wall that screw rod (5) are located location case (4), driven bevel gear (51) and initiative bevel gear (42) meshing connection.

3. The gear positioning apparatus in a gear processing machine according to claim 1, wherein: the gear workpiece (8) is sleeved on the outer peripheral side of the top plate (63), a pressing plate (7) is sleeved on the rod wall of the screw rod (5) in a threaded mode, and the pressing plate (7) is located above the gear workpiece (8).

4. A gear positioning device in a gear processing machine according to claim 3, characterized in that: the outer side of the bottom of the pressing plate (7) is fixedly provided with a second spring (71), the bottom end of the second spring (71) is fixedly provided with a pressing block (72), and the pressing block (72) is in pressing contact with the top of the gear workpiece (8).

5. A gear positioning device in a gear processing machine according to claim 3, characterized in that: the top of the pressure strip (7) is integrally formed with a threaded sleeve (70), and the threaded sleeve (70) is movably sleeved on the rod wall of the screw rod (5).

6. The gear positioning apparatus in a gear processing machine according to claim 1, wherein: and a rubber pad (65) is arranged on the outer peripheral side of the top plate (63), and the rubber pad (65) is fixedly adhered to the top plate (63).

7. The gear positioning apparatus in a gear processing machine according to claim 1, wherein: a gasket (43) is fixedly mounted at the top of the positioning box (4), the top of the gasket (43) is in contact with the bottom of the gear workpiece (8), and the gasket (43) is sleeved at the bottom of the outer periphery of the fixing sleeve (61).