CN209818670U

CN209818670U - Spatial connecting rod oscillation mechanism

Info

Publication number: CN209818670U
Application number: CN201920596759.9U
Authority: CN
Inventors: 沈理; 陈文安
Original assignee: WUXI SUOFEI MECHATRONICS Co Ltd
Current assignee: WUXI SUOFEI MECHATRONICS Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2019-12-20
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a space connecting rod vibrates mechanism belongs to the mechanical equipment processing field. The space connecting rod oscillation mechanism comprises a motor, an output shaft of the motor is sequentially connected with an amplitude adjustment assembly, a rotary joint assembly and an oscillation assembly through a central shaft, the rotary joint assembly comprises a crank connecting rod hinged with one end of the central shaft, one end, away from the central shaft, of the crank connecting rod is hinged with a connecting nut, a nut of a screw extends into an inner cavity of the connecting nut, and one end, located in the inner cavity of the connecting nut, of the screw is sequentially sleeved with a first ball bearing, a second ball bearing and a retainer ring; one end of the connecting nut, which is far away from the crank connecting rod, is connected with a bearing sleeve through threads. The utility model provides a pair of among space connecting rod shock mechanism, the rotary joint subassembly decomposes the rotation of center pin for the space rotation of circular cone around the axial orbit of center pin, and the integrated configuration that first ball bearing, second ball bearing and retaining ring are constituteed has replaced the bulb friction pair that rotary joint was used always, and frictional force is little, has prolonged life.

Description

Spatial connecting rod oscillation mechanism

Technical Field

The utility model relates to a mechanical equipment processing technology field, in particular to space connecting rod vibrates mechanism.

Background

The swing motion mechanism has many kinds, however, it is not easy to design a more ideal mechanism according to the use condition in practical application. A superfinishing machine for superfinishing a ball bearing ring channel in the bearing industry needs a swing mechanism, namely a vibration head.

A ball head friction pair for a rotary joint of an existing space connecting rod oscillation mechanism is large in friction and short in service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a space connecting rod vibrates mechanism to the bulb friction that the rotary joint of solving current space connecting rod vibrates mechanism was used is vice, rubs the problem of short-lived greatly.

In order to solve the technical problem, the utility model provides a space connecting rod oscillation mechanism, which comprises a motor, wherein an output shaft of the motor is sequentially connected with an amplitude adjustment component, a rotary joint component and an oscillation component through a central shaft, wherein,

the motor is fixedly connected with a box body through a motor base, and one end of the box body, far away from the motor, is fixedly connected with an end cover;

the rotary joint assembly comprises a crank connecting rod hinged to one end of a central shaft, the crank connecting rod is far away from one end of the central shaft is hinged to a connecting nut, the connecting nut is far away from one end of the crank connecting rod is connected with a bearing sleeve through threads, a screw, a first ball bearing, a second ball bearing and a check ring are arranged in the bearing sleeve, the bearing sleeve is far away from one end of the connecting nut, a through hole is formed in the one end of the connecting nut, the screw sequentially penetrates through the first ball bearing, the second ball bearing, the check ring and the through hole, the connecting rod is fixedly connected with the connecting rod, and the connecting rod is.

Optionally, the amplitude adjustment assembly includes a sleeve movably arranged in the box body, an eccentric wheel groove is formed in the outer wall of the sleeve along the length direction of the sleeve, a shaft lever groove for guiding an eccentric shaft is formed in the width direction of the sleeve, a flange nut and a compression screw are sequentially sleeved at one end, away from the sleeve, of a shaft lever of the eccentric shaft, and the flange nut is fixedly connected to the outer wall of the box body through a bolt; the telescopic inside is equipped with inertia portion, telescopic keeping away from the one end fixedly connected with ring flange of motor, the center pin passes in proper order inertia portion and ring flange with rotary joint subassembly swing joint.

Optionally, the oscillating assembly includes an oscillating shaft, a connecting groove and a first mounting hole which are perpendicular to each other are formed in the middle of the oscillating shaft, and one end of the connecting rod, which is far away from the central shaft, extends into the connecting groove and is movably connected with the oscillating shaft through a pin; the outer wall of box is opened there is the shaft hole, the both ends of shaking the axle are followed respectively the shaft hole stretches out.

Optionally, the two ends of the oscillating shaft are sleeved with round covers with holes, and the round covers are fixed on the box body through bolts.

Optionally, bearings are sleeved at two ends of the pin.

Optionally, bearing blocking pieces are arranged at two ends of the first mounting hole.

In the space connecting rod oscillation mechanism provided by the utility model, the rotation of the central shaft is decomposed into the space rotation of which the track along the axial direction of the central shaft is conical by the rotary joint component, and the combined structure formed by the first ball bearing, the second ball bearing, the retainer ring, the screw and the connecting nut replaces the ball head friction pair commonly used by the rotary joint, so that the friction force is small, and the service life is prolonged; the amplitude adjustment subassembly can adjust the housing screw according to actual need to the amplitude of adjustment oscillating axle, it is convenient to adjust, has very high maneuverability.

Drawings

Fig. 1 is a schematic view of the overall structure of a spatial link oscillating mechanism provided in the present invention;

fig. 2 is a schematic view of an internal structure of a spatial link oscillating mechanism provided in the present invention;

fig. 3 is an exploded view of a spatial link oscillating mechanism provided by the present invention;

fig. 4 is a schematic structural view of a spatial link oscillating mechanism provided in the present invention;

fig. 5 is a schematic view of the oscillating shaft structure provided by the present invention;

fig. 6 is a schematic view of a bearing sleeve structure provided by the present invention.

Detailed Description

The following describes a spatial link oscillating mechanism according to the present invention in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Example one

The utility model provides a space connecting rod oscillation mechanism, as shown in figures 1 and 2, comprising a motor 1, wherein an output shaft of the motor 1 is sequentially connected with an amplitude adjusting component 2, a rotary joint component 3 and an oscillation component 4 through a central shaft 5, wherein,

the motor 1 is fixedly connected with a box body 20 through a motor base 10, and one end, far away from the motor 1, of the box body 20 is fixedly connected with an end cover 28;

referring to fig. 3, the rotary joint assembly 3 includes a crank connecting rod 30 hinged to one end of the central shaft 5, one end of the crank connecting rod 30, which is far away from the central shaft 5, is hinged to a connecting nut 31, one end of the connecting nut 31, which is far away from the crank connecting rod 30, is connected to a bearing housing 33 through a thread, a screw 32, a first ball bearing 320, a second ball bearing 321 and a retainer ring 322 are arranged in the bearing housing 33, one end of the bearing housing 33, which is far away from the connecting nut 31, is provided with a through hole 330, referring to fig. 4, the screw 32 sequentially passes through the first ball bearing 320, the second ball bearing 321, the retainer ring 322 and the through hole 330, and is fixedly connected to a connecting rod 34, and the connecting; the combined structure formed by the first ball bearing 320, the second ball bearing 321, the retainer ring 322, the screw 32 and the connecting nut 31 replaces a ball head friction pair used by the conventional rotary joint, so that the friction force is small, and the service life is prolonged.

With reference to fig. 3, the amplitude adjustment assembly 2 includes a sleeve 21 movably disposed in the box 20, an eccentric groove 210 is formed on an outer wall of the sleeve 21 along a length direction of the sleeve 21, a shaft rod groove 211 for guiding the eccentric shaft 22 is formed along a width direction of the sleeve 21, a flange nut 23 and a compression screw 24 are sequentially sleeved on one end of a shaft rod of the eccentric shaft 22 away from the sleeve 21, and the flange nut 23 is fixedly connected to an outer wall of the box 20 through a bolt; an inertia part 25 is arranged in the sleeve 21, one end of the sleeve 21, which is far away from the motor 1, is fixedly connected with a flange 27, and the central shaft 5 sequentially penetrates through the inertia part 25 and the flange 27 to be movably connected with the rotary joint component 3.

Referring to fig. 3, the oscillating assembly 4 includes an oscillating shaft 40, a connecting groove 401 and a first mounting hole 402 are formed in the middle of the oscillating shaft 40, the connecting groove 401 and the first mounting hole 402 are perpendicular to each other, one end of the connecting rod 34, which is away from the central shaft 5, extends into the connecting groove 401 and is movably connected with the oscillating shaft 40 through a pin 41, bearings 42 are respectively sleeved at two ends of the pin 41, and bearing blocking plates 44 are respectively disposed at two ends of the first mounting hole 402; the outer wall of the box body 20 is provided with a shaft hole 26, two ends of the oscillating shaft 40 extend out of the shaft hole 26 respectively, two ends of the oscillating shaft 40 are sleeved with round covers 43 with holes, and the round covers 43 are fixed on the box body 20 through bolts.

When the device is used, the motor 1 drives the central shaft 5 to rotate, the connecting rod 34 performs spatial rotation around the axial direction of the central shaft 5 under the action of the rotary joint component 3, the motion track is a conical surface, the oscillating shaft 40 passes through the vertex of the conical surface, the horizontal component of the motion of the connecting rod 34 drives the oscillating shaft 40 to perform reciprocating swing, and the swing frequency is adjusted by the rotating speed of the motor 1; the amplitude can be adjusted by the amplitude adjusting assembly 2, when the compression screw 24 is screwed, the eccentric shaft 22 can drive the sleeve 21 to move axially, so that the size of the included angle between the connecting rod 34 and the central shaft 5 in the axial direction is changed, the amplitude of the oscillating shaft 40 is changed, and the adjustment is very convenient.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A spatial connecting rod oscillation mechanism comprises a motor (1), wherein an output shaft of the motor (1) is sequentially connected with an amplitude adjusting assembly (2), a rotary joint assembly (3) and an oscillation assembly (4) through a central shaft (5),

the motor (1) is fixedly connected with a box body (20) through a motor base (10), and one end, far away from the motor (1), of the box body (20) is fixedly connected with an end cover (28); it is characterized in that the preparation method is characterized in that,

rotary joint subassembly (3) include with center pin (5) one end articulated crank connecting rod (30), crank connecting rod (30) are kept away from the one end of center pin (5) articulates there is coupling nut (31), coupling nut (31) are kept away from the one end of crank connecting rod (30) has bearing housing (33) through threaded connection, be equipped with screw (32), first ball bearing (320), second ball bearing (321) and retaining ring (322) in bearing housing (33), bearing housing (33) are kept away from the one end of coupling nut (31) is opened there is through-hole (330), screw (32) pass in proper order first ball bearing (320), second ball bearing (321), retaining ring (322) and through-hole (330) fixedly connected with connecting rod (34), connecting rod (34) with vibrate subassembly (4) swing joint.

2. The spatial connecting rod oscillation mechanism of claim 1, wherein the amplitude adjusting assembly (2) comprises a sleeve (21) movably arranged in the box body (20), the outer wall of the sleeve (21) is provided with an eccentric wheel groove (210) along the length direction of the sleeve (21), the outer wall of the sleeve (21) is provided with a shaft rod groove (211) for guiding an eccentric shaft (22) along the width direction, one end of a shaft rod of the eccentric shaft (22) far away from the sleeve (21) is sequentially sleeved with a flange nut (23) and a compression screw (24), and the flange nut (23) is fixedly connected to the outer wall of the box body (20) through a bolt; the inside of sleeve (21) is equipped with inertia portion (25), keeping away from of sleeve (21) the one end fixedly connected with ring flange (27) of motor (1), center pin (5) pass in proper order inertia portion (25) and ring flange (27), and with rotary joint subassembly (3) swing joint.

3. The spatial link oscillating mechanism of claim 1, wherein the oscillating assembly (4) comprises an oscillating shaft (40), a connecting groove (401) and a first mounting hole (402) which are perpendicular to each other are formed in the middle of the oscillating shaft (40), and one end of the link (34) far away from the central shaft (5) extends into the connecting groove (401) and is movably connected with the oscillating shaft (40) through a pin (41); the outer wall of box (20) is opened has shaft hole (26), the both ends of shaking axle (40) are followed respectively shaft hole (26) stretch out.

4. The spatial link oscillating mechanism according to claim 3, wherein the oscillating shaft (40) is sleeved with a round cover (43) with a hole at both ends, and the round cover (43) is fixed on the box body (20) through bolts.

5. A spatial link oscillator mechanism as claimed in claim 3 in which the pins (41) are journalled at both ends by bearings (42).

6. The spatial link oscillating mechanism of claim 5, wherein the bearing stop pieces (44) are arranged at both ends of the first mounting hole (402).