CN220717286U - Powder metallurgy gear shaping device - Google Patents

Abstract

The utility model relates to the technical field of powder metallurgy, in particular to a powder metallurgy gear shaping device, which comprises a box body, wherein the upper end of the box body is rotationally connected with a rotating shaft through a rolling bearing, the inner wall of the box body is fixedly provided with a motor, the output end of the motor penetrates through the outer part of a shell and is fixedly connected with the lower end of the rotating shaft, the upper end of the rotating shaft is fixedly connected with the shell, a screw rod is arranged in the shell, the two ends of the screw rod are rotationally connected with the inner wall of the shell through the rolling bearing, the upper end of the screw rod penetrates through the outer part of the shell, the rod wall of the screw rod is in threaded connection with wedge blocks, sliding holes are symmetrically formed in the two sides of the shell, sliding rods are slidably arranged in the sliding holes, the rod wall of the sliding rods is fixedly provided with a reset mechanism, and the upper end of the screw rod is fixedly connected with a rotating wheel. The utility model is convenient for positioning the gear and can ensure the shaping precision; after the positioning is finished, the fixing structure can be conveniently locked, and the gear is prevented from falling off due to loosening during shaping.

Description

Powder metallurgy gear shaping device

Technical Field

The utility model relates to the technical field of powder metallurgy, in particular to a powder metallurgy gear shaping device.

Background

The gear is a mechanical element with teeth on the rim, which can continuously mesh to transmit motion and power, and is a mechanical part with teeth which can mesh with each other.

In the patent No. CN214919387U, a shaping device for powder metallurgy gear processing is disclosed, comprising a workbench; the upper end of the workbench is provided with a telescopic rod, the upper end of the telescopic rod is provided with a useful fixed block, the periphery of the fixed block is provided with a pressing plate, the outer side of the bottom end of the telescopic rod is sleeved with a containing table, the bottom end of the telescopic rod stretches into the workbench, the bottom end of the telescopic rod is provided with a driven gear, the automatic liquid collecting device is characterized in that a driving gear is arranged on one side of the driven gear, a motor is arranged at the bottom end of the driving gear, a liquid collecting groove is formed in the position, located outside the containing table, of the upper end of the workbench, a liquid collecting box is welded at the position, located on one side inside the workbench, of the upper end of the workbench, and a plurality of through holes are formed in the position, corresponding to the liquid collecting box, of the bottom end of the liquid collecting groove.

The above patent has the following problems:

the gear which can be processed by the shaping device of the patent is generally larger than the outer diameter of the telescopic rod, and the gear cannot be overlapped with the axis of the telescopic rod in a mode of positioning the gear by pressing down the pressing plate, so that the precision of gear shaping cannot be ensured, and the shaping device of the powder metallurgy gear is proposed.

Disclosure of Invention

The utility model aims to provide a powder metallurgy gear shaping device which is convenient for positioning gears and can ensure shaping precision so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a powder metallurgy gear shaping device, includes the box, the upper end of box is connected with the pivot through antifriction bearing rotation, the fixed motor that is equipped with of inner wall of box, the output of motor runs through to the outside of casing and with the lower extreme fixed connection of pivot, the upper end fixedly connected with casing of pivot, the inside of casing is provided with the lead screw, the both ends of lead screw are rotated with the inner wall of casing through antifriction bearing and are connected, the upper end of lead screw runs through outside the casing, the pole wall threaded connection of lead screw has the wedge, the slide hole has been seted up to the bilateral symmetry of casing, the slide hole slides and is equipped with the slide bar, the fixed canceling release mechanical system that is equipped with of pole wall of slide bar, the upper end fixedly connected with runner of lead screw, the cavity has been seted up in the runner, the cavity internal fixation is equipped with stop gear.

Preferably, the reset mechanism comprises a fixed rod, a bar hole is formed in the rod wall of the sliding rod, the fixed rod is arranged in the bar hole in a sliding manner and far away from the screw rod, two ends of the fixed rod are fixedly connected with the hole wall of the sliding hole, and a first spring is fixedly connected with the rod wall of the fixed rod.

Preferably, an inclined plane matched with the wedge block is arranged at the inner end of the sliding rod, a ball-shaped groove is arranged on the inclined plane, and a ball is arranged in the ball-shaped groove in a sliding mode.

Preferably, the outer end fixedly connected with splint of slide bar, the even fixedly connected with of one side that keeps away from the lead screw of splint is a plurality of non-slip raised.

Preferably, the stop mechanism comprises a stop lever, the stop lever is vertically arranged in the cavity, two ends of the stop lever penetrate through the outside of the rotating wheel, a stop block is fixedly sleeved in the middle of the stop lever, a second spring is movably sleeved on the lever wall of the stop lever, and a plurality of limit grooves matched with the stop lever are formed in the upper end of the shell.

Preferably, the upper end of the limiting rod is fixedly sleeved with an anti-slip sleeve, and the anti-slip sleeve is a corrosion-resistant rubber sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

this powder metallurgy gear shaping device, through the splint that is equipped with, the rotating shaft, a housing, the slide bar, canceling release mechanical system, the wedge, the lead screw, runner and stop gear, establish the gear cover in two splint outsides, upward pulling antiskid cover, antiskid cover drives the gag lever post and upwards moves, the gag lever post no longer with the spacing groove joint when passing through dog extrusion second spring, it rotates to drive the runner through the gag lever post, the runner drives the lead screw and rotates, the lead screw drives wedge downwardly moving, the lateral wall of wedge outwards promotes the slider, the inner wall that drives splint and gear offsets when the slider extrudes first spring, can guarantee the precision of plastic in the time of being convenient for to gear positioning, loosen the gag lever post this moment, the second spring promotes the dog and makes the gag lever post card enter can accomplish the fixed to the gear after the location is accomplished, can be convenient for locking fixed knot structure, prevent it from taking place to become flexible when the plastic and leading to the gear to drop.

Drawings

Fig. 1 is a schematic structural view of a powder metallurgy gear shaping device.

Fig. 2 is a schematic side view of a powder metallurgy gear shaping device.

Fig. 3 is an internal schematic view of the housing of fig. 2.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the figure: 1. a housing; 2. a rotating wheel; 3. a clamping plate; 4. a case; 5. a rotating shaft; 6. a motor; 7. a screw rod; 8. a ball; 9. wedge blocks; 10. a first spring; 11. a slide bar; 12. a fixed rod; 13. a limit rod; 14. a stop block; 15. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution:

the utility model provides a powder metallurgy gear shaping device, including box 4, the upper end of box 4 is connected with pivot 5 through antifriction bearing rotation, the fixed motor 6 that is equipped with of inner wall of box 4, motor 6 sets up on the top inner wall of box 4, motor 6 passes through control switch and external power source electric connection, the output of motor 6 runs through to the outside of casing 1 and with the lower extreme fixed connection of pivot 5, the upper end fixedly connected with casing 1 of pivot 5, the inside of casing 1 is provided with lead screw 7, the both ends of lead screw 7 are connected through antifriction bearing and the inner wall rotation of casing 1, the upper end of lead screw 7 runs through outside casing 1, the lever wall threaded connection of lead screw 7 has wedge 9, the lateral wall and the inside wall sliding connection of casing 1 of wedge 9.

The slide hole has been seted up to the bilateral symmetry of casing 1, the slip is equipped with slide bar 11 in the slide hole, slide bar 11's inner seted up with wedge 9 matched with inclined plane, the inclined plane is favorable to wedge 9 to promote slide bar 11, set up the ball groove on the inclined plane, the ball 8 that slides in the ball groove is equipped with, the ball 8 has reduced the frictional force between inclined plane and the wedge 9 lateral wall, slide bar 11's outer end fixedly connected with splint 3, splint 3 keep away from a plurality of non-slip raised areas of even fixedly connected with of one side of lead screw 7, the non-slip raised area has improved the skid resistance of splint 3 lateral wall.

The fixed canceling release mechanical system that is equipped with of the pole wall of slide bar 11, canceling release mechanical system includes dead lever 12, and the bar hole has been seted up to the pole wall of slide bar 11, and dead lever 12 slides and sets up in the bar downthehole lead screw 7 department of keeping away from, and the both ends of dead lever 12 and the pore wall fixed connection of slide hole, the first spring 10 of pole wall fixedly connected with of dead lever 12, the both ends of first spring 10 respectively with the pore wall fixed connection of dead lever 12 and bar hole, first spring 10 is compression state all the time.

The upper end of the screw rod 7 is fixedly connected with a rotating wheel 2, and the rotating wheel 2 is convenient for rotating the screw rod 7.

The inside of the rotating wheel 2 is provided with a cavity, a limiting mechanism is fixedly arranged in the cavity and comprises a limiting rod 13, the limiting rod 13 is vertically arranged in the cavity, two ends of the limiting rod 13 penetrate through the outside of the rotating wheel 2, a stop block 14 is fixedly sleeved in the middle of the limiting rod 13, the stop block 14 is located at the lower side of the inside of the cavity, a second spring 15 is movably sleeved on the rod wall of the limiting rod 13, the second spring 15 is located at the upper side of the stop block 14, the second spring 15 is movably sleeved on the rod wall of the limiting rod 13, the second spring 15 is always in a compressed state, a plurality of limiting grooves matched with the limiting rod 13 are formed in the upper end of the shell 1, an anti-sliding sleeve is fixedly sleeved on the upper end of the limiting rod 13 and is a corrosion-resistant rubber sleeve, and the anti-sliding sleeve increases the anti-sliding performance of the upper end of the limiting rod 13.

During the use, establish the gear cover in two splint 3 outsides, upwards pull the antiskid cover, the antiskid cover drives gag lever post 13 upwards remove, gag lever post 13 no longer with the spacing groove joint when pressing second spring 15 through dog 14, drive runner 2 through gag lever post 13 and rotate, runner 2 drives lead screw 7 and rotates, lead screw 7 drives wedge 9 and moves down, the lateral wall of wedge 9 outwards promotes slide bar 11, slide bar 11 drives splint 3 and the inner wall of gear and offsets when pressing first spring 10, loosen gag lever post 13 at this moment, second spring 15 promotes dog 14 and makes after the gag lever post 13 card go into the spacing groove can accomplish the fixed to the gear, during the plastic, start motor 6, motor 6 drives the gear through pivot 5 and rotates.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a powder metallurgy gear shaping device, includes box (4), its characterized in that: the utility model discloses a motor, including casing (1), inner wall, slide bar (11), the fixed canceling release mechanical system of pole wall, including casing (1), inner wall, slide bar (7), slide bar (1), casing (2) are connected with the upper end of casing (4) through antifriction bearing rotation, be connected with pivot (5) in the upper end of casing (4) through antifriction bearing rotation, the inner wall of casing (1) is connected with the upper end of lead screw (7), the upper end of lead screw (7) runs through outside casing (1), the pole wall threaded connection of lead screw (7) has wedge (9), the slide hole has been seted up to the bilateral symmetry of casing (1), the downthehole slip of slide bar (11) are equipped with slide bar (11), the pole wall of slide bar (11) is fixedly equipped with canceling release mechanical system, the upper end fixedly connected with runner (2) of lead screw (7), the cavity has been seted up in runner (2), the cavity internal fixation is equipped with stop gear.

2. A powder metallurgy gear shaping device according to claim 1, wherein: the resetting mechanism comprises a fixed rod (12), a bar-shaped hole is formed in the rod wall of the sliding rod (11), the fixed rod (12) is arranged in the bar-shaped hole in a sliding mode and far away from the screw rod (7), two ends of the fixed rod (12) are fixedly connected with the hole wall of the sliding hole, and a first spring (10) is fixedly connected with the rod wall of the fixed rod (12).

3. A powder metallurgy gear shaping device according to claim 1, wherein: the inner end of the sliding rod (11) is provided with an inclined plane matched with the wedge-shaped block (9), the inclined plane is provided with a ball-shaped groove, and a ball (8) is slidably arranged in the ball-shaped groove.

4. A powder metallurgy gear shaping device according to claim 1, wherein: the outer end of the sliding rod (11) is fixedly connected with a clamping plate (3), and one side, far away from the screw rod (7), of the clamping plate (3) is uniformly and fixedly connected with a plurality of anti-slip protrusions.

5. A powder metallurgy gear shaping device according to claim 1, wherein: stop gear includes gag lever post (13), gag lever post (13) are vertical to be set up in the cavity, outside both ends of gag lever post (13) all run through to runner (2), fixed dog (14) of having cup jointed in the middle part of gag lever post (13), the pole wall movable sleeve of gag lever post (13) is equipped with second spring (15), a plurality of and gag lever post (13) matched with spacing groove have been seted up to the upper end of casing (1).

6. A powder metallurgy gear shaping device according to claim 5, wherein: the upper end of the limiting rod (13) is fixedly sleeved with an anti-slip sleeve, and the anti-slip sleeve is a corrosion-resistant rubber sleeve.