CN220980249U

CN220980249U - Cam divider

Info

Publication number: CN220980249U
Application number: CN202322291924.9U
Authority: CN
Inventors: 刘德长
Original assignee: Kunshan Searchlight Machinery Co ltd
Current assignee: Kunshan Searchlight Machinery Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-05-17
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a cam divider, which comprises a steering mechanism, a transverse mechanism arranged above the steering mechanism and a longitudinal mechanism arranged on one side of the steering mechanism, wherein the transverse mechanism is arranged above the steering mechanism; the steering mechanism comprises a force output shaft, and a main force input shaft and a secondary force input shaft which are symmetrically arranged about the force output shaft; the circumference of the output shaft is uniformly and fixedly connected with rollers, the circumference of the main input shaft is provided with spiral supporting ribs, and the rollers can be meshed with the supporting ribs; the transverse mechanism comprises a pushing piece and a withdrawing piece arranged above the pushing piece; the pushing piece and the withdrawing piece are connected with the output shaft, and the transverse mechanism can drive the output shaft to move transversely and is meshed with the main input shaft and the auxiliary input shaft at two sides respectively; the longitudinal mechanism comprises a telescopic rod and a pull rod fixedly connected with the telescopic rod; the pull rod is used for driving the equipment to move up and down; therefore, the output shaft moves reversely and moves up and down, the movement dimension of the cam divider is increased, the practicability is improved, and the application scene of the equipment is enlarged.

Description

Cam divider

Technical Field

The utility model relates to the field of cam dividers, in particular to a cam divider.

Background

The cam divider is also called a cam indexer and an intermittent divider in engineering. The cam indexer is a high-precision turning device, and is particularly important under the current automatic requirement, and when the force input shaft rotates, the cam roller rotates the force output turret according to a given displacement curve and rolls along the inclined plane of the rib. In the region of the rib in equilibrium with the end face of the cam, i.e. in the static range, the roller engages its shaft, but the force turret itself does not rotate. The tapered support ribs typically contact two or three cam rollers so that rotation of the input shaft is transmitted uniformly to the output shaft, driving the output shaft in rotation.

The 202122334115.2 cam divider capable of being quickly disassembled and assembled comprises a cam divider main body and a rotary table main body, wherein an output shaft is arranged at the top end of the cam divider main body, limit rods distributed in an annular array are fixedly arranged on the circumferential side wall of the output shaft, clamping grooves distributed in an annular array are formed in the circumferential side wall of the output shaft, and the rotary table main body is movably arranged at the top end of the output shaft; the cam divider in the existing equipment is single in motion state and can only be used for dividing, so that the application scene is limited to feeding and the like, and the practicability is reduced.

Accordingly, there is a need for an improvement in the art for a cam divider that addresses the above-described problems.

Disclosure of Invention

The utility model overcomes the defects of the prior art, provides a cam divider, and aims to solve the problems in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cam divider, comprising: the steering mechanism, the transverse mechanism arranged above the steering mechanism, and the longitudinal mechanism arranged at one side of the steering mechanism;

The steering mechanism comprises a force output shaft, and a main force input shaft and a secondary force input shaft which are symmetrically arranged about the force output shaft; the circumference of the output shaft is uniformly and fixedly connected with rollers, the circumference of the main input shaft is provided with spiral supporting ribs, and the rollers can be meshed with the supporting ribs;

The transverse mechanism comprises a pushing piece and a withdrawing piece arranged above the pushing piece; the pushing piece and the withdrawing piece are connected with the output shaft, and the transverse mechanism can drive the output shaft to move transversely and is meshed with the main input shaft and the auxiliary input shaft at two sides respectively;

The longitudinal mechanism comprises a telescopic rod and a pull rod fixedly connected with the telescopic rod; the pull rod is used for driving the equipment to move up and down.

In a preferred embodiment of the present utility model, the steering mechanism further includes an inner housing, and the primary input shaft, the secondary input shaft, and the output shaft are rotatably connected to the inner housing.

In a preferred embodiment of the utility model, the middle of the output shaft is hollow, and the hollow of the output shaft is connected with a main shaft in a sliding way up and down.

In a preferred embodiment of the present utility model, the pushing member includes a first cam member and a stopper; the first cam piece is fixedly connected with the output shaft, and the first cam piece and the output shaft are in the same circle center, and the stop block is arranged on one side of the first cam piece.

In a preferred embodiment of the utility model, the withdrawal member comprises a rotating ring and a riser; short plates are arranged on two sides of the rotating ring, and a first spring is fixedly connected between the short plates and the vertical plates.

In a preferred embodiment of the utility model, the rotating ring is rotationally connected with the output shaft, the rotating ring and the output shaft are positioned at the same center of a circle, the vertical plate is fixedly connected with the inner shell, and the vertical plate is arranged below the stop block.

In a preferred embodiment of the utility model, the bottom of the main shaft is uniformly provided with an annular groove, an elliptical ring is connected with the circumference of the annular groove in a sliding manner, and the elliptical ring is matched with the annular groove.

In a preferred embodiment of the utility model, the telescopic rod comprises a hollow tube and a sliding rod in sliding connection with the hollow tube; a second spring is fixedly connected between the slide bar and the hollow tube.

In a preferred embodiment of the utility model, the pull rod is fixedly connected with one end of the slide rod, and the slide rod is fixedly connected with the baffle.

In a preferred embodiment of the utility model, one end of the auxiliary force input shaft is fixedly connected with a second cam member, the second cam member and the baffle member are positioned on the same horizontal plane, the outer side of the inner shell is also provided with an outer shell, and the outer shell is rotationally connected with the main force input shaft and the main shaft

The utility model solves the defects existing in the background technology, and has the following beneficial effects:

The utility model provides a cam divider, which is mutually matched with a steering mechanism, a transverse mechanism and a longitudinal mechanism, and by arranging two input shafts with opposite rotation directions of supporting ribs, the output shafts can be respectively meshed with the input shafts, so that the effect of reversely rotating is achieved.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a perspective view of a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of the outer housing of the preferred embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of the inner housing of the preferred embodiment of the present utility model;

In the figure:

1. A steering mechanism; 10. a force output shaft; 11. a main input shaft; 12. an auxiliary input shaft; 13. a roller; 14. a support rib; 15. an inner housing; 16. a main shaft;

2. A transverse mechanism; 20. a first cam member; 21. a stop block; 22. a rotating ring; 23. a vertical plate; 24. a first spring;

3. a longitudinal mechanism; 30. a pull rod; 31. an elliptical ring; 32. a hollow tube; 33. a slide bar; 34. a second cam member; 35. a blocking member; 36. an outer shell.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

As shown in fig. 1, 2 and 3, a cam divider includes: a steering mechanism 1, a transverse mechanism 2 arranged above the steering mechanism 1, and a longitudinal mechanism 3 arranged on one side of the steering mechanism 1;

It should be noted that the cam divider mainly comprises three mechanisms, namely, a steering mechanism 1, a transverse mechanism 2 and a longitudinal mechanism 3, wherein the steering mechanism 1 can control the rotation of the cam divider so that an output shaft 10 of the cam divider can rotate 180 degrees in forward and reverse directions, the transverse mechanism 2 can control the output shaft 10 to transversely move for a certain distance, and the longitudinal mechanism 3 can control the output shaft 10 to longitudinally move.

The steering mechanism 1 comprises a force output shaft 10, a main force input shaft 11 and a secondary force input shaft 12 which are symmetrically arranged about the force output shaft 10; the circumference of the output shaft 10 is uniformly and fixedly connected with a roller 13, the circumference of the main input shaft 11 is provided with a spiral supporting rib 14, and the roller 13 can be meshed with the supporting rib 14;

In a preferred embodiment of the present utility model, the steering mechanism 1 further comprises an inner housing 15, and the main input shaft 11, the auxiliary input shaft 12 and the output shaft 10 are rotatably connected to the inner housing 15.

In a preferred embodiment of the present utility model, the middle of the output shaft 10 is hollow, the hollow in the middle of the output shaft 10 is connected with the main shaft 16 in a sliding manner, the outer side of the inner housing 15 is further provided with an outer housing 36, and the outer housing 36 is rotatably connected with the main input shaft 11 and the main shaft 16.

The steering mechanism 1 main body is composed of two input shafts, one output shaft 10 and an inner shell 15, the output shaft 10 is perpendicular to the input shafts, supporting ribs 14 are arranged at the circumference of the input shafts, rollers 13 are fixedly connected to the circumference of the output shaft 10, the supporting ribs 14 are in conical arrangement and meshed with the rollers 13, the rollers 13 are roller 13 bearings, the input shafts are provided with two main input shafts 11 and two auxiliary input shafts 12 respectively, the main input shafts 11 and the auxiliary input shafts 12 are symmetrically arranged on planes where circle centers of the output shafts 10 are located, the output shafts 10 are likewise arranged by two shafts, one output shaft 10 is a body of the output shaft 10, the other output shaft is a main shaft 16, and the main shaft 16 is vertically and slidably connected to the hollow space of the hollow output shaft 10.

In operation of the device, the output shaft 10 can reciprocate between the main input shaft 11 and the auxiliary input shaft 12, the rollers 13 on the circumference of the output shaft 10 can be respectively meshed with the support ribs 14 of the main input shaft 11 and the auxiliary input shaft 12 on two sides, one of the spiral directions of the spiral support ribs 14 is a clockwise rotating spiral, the other spiral direction of the spiral support rib 14 is a counterclockwise rotating spiral, so that when the rollers 13 on the output shaft 10 are respectively meshed with the support ribs 14 on the main input shaft 11 or the auxiliary input shaft 12, the rotation directions of the output shaft 10 are inconsistent, but other data of the support ribs 14 are consistent, so that the rotation angles of the output shaft 10 are consistent to be 180 degrees, the output shaft 10 is connected with the main shaft 16 in an up-down sliding mode, therefore, when the main power input shaft 11 and the auxiliary power input shaft 12 are connected with the inner shell 15 in a rotating mode, the output shaft 10 is connected with the inner shell 15 in a sliding mode, meanwhile, the output shaft 10 can rotate on the inner shell 15, an oval through hole for moving the output shaft 10 is formed in the joint of the inner shell 15 and the output shaft 10, the main power input shaft 11 penetrates through the inner shell 15 and the outer shell 36, the main power input shaft 11 is connected with a motor at the position of the outer shell 36 to transmit power, and inside the outer shell 36, the main power input shaft 11 and the auxiliary power input shaft 12 are connected with power through a sprocket chain, namely, the main power input shaft 11 and the auxiliary power input shaft 12 are fixedly connected with sprockets, and the sprockets are connected through the chain, so that the same-direction rotation is achieved.

The transverse mechanism 2 comprises a pusher and a withdrawer arranged above the pusher; the pushing piece and the withdrawing piece are connected with the output shaft 10, and the transverse mechanism 2 can drive the output shaft 10 to transversely move and respectively meshed with the main input shaft 11 and the auxiliary input shaft 12 at two sides;

In a preferred embodiment of the utility model, the pusher comprises a first cam member 20 and a stop 21; the first cam member 20 is fixedly connected with the output shaft 10, the first cam member 20 and the output shaft 10 are concentric, and the stop block 21 is arranged on one side of the first cam member 20.

In a preferred embodiment of the utility model, the withdrawal member comprises a rotating ring 22 and a riser 23; short plates are arranged on two sides of the rotating ring 22, and a first spring 24 is fixedly connected between the short plates and the vertical plate 23.

It should be noted that, the first cam member 20 is composed of two parts, both of which are semicircular, the difference is that the two semicircular radiuses are different, when the first cam member 20 rotates, the rotation angle is 180 °, the contact angle of the small semicircular and the stopper 21 is 90 °, the rotation angle of the large semicircular and the stopper 21 is 90 °, that is, when in the initial state, the first spring 24 is not stretched, the middle position of the small semicircular is in contact with the stopper 21, when the small semicircular rotates by 90 °, the stopper 21 is in contact with the large semicircular, the spring is stretched, the large semicircular rotates by 90 °, thereby completing 180 ° rotation, and when in the reverse rotation, the opposite is performed; and dog 21 is rectangular form setting, in the position department of big semicircle and little semicircle contact, when first cam spare 20 rotates this position department on dog 21, can change fast, when rotating to big semicircle from little semicircle promptly again, the turning of big semicircle can not block in advance on dog 21 for big semicircle turning position and little semicircle appear simultaneously with the condition of dog 21 contact, first cam spare 20 and dog 21 only have a contact point all the time, have certain radian in big semicircle and little semicircle juncture, thereby carry out fast conversion.

In a preferred embodiment of the present utility model, the rotating ring 22 is rotatably connected with the output shaft 10, the rotating ring 22 and the output shaft 10 are located at the same center, the vertical plate 23 is fixedly connected with the inner housing 15, and the vertical plate 23 is disposed below the stop block 21.

It should be noted that, the transverse mechanism 2 mainly includes a pushing member driving the output shaft 10 to move and stretch the first spring 24 and a withdrawing member recovering from the spring, where the pushing member and the withdrawing member drive the output shaft 10 to reciprocate and respectively engage with the input shafts on two sides to rotate, the pushing member mainly includes a first cam member 20 and a stop 21, the first cam member 20 is fixedly connected with the output shaft 10, the stop 21 and the first cam member 20 are disposed on the same horizontal plane, and the stop 21 is fixedly connected with the outer casing 36; the withdrawal member mainly comprises a rotating ring 22, a first spring 24 and a vertical plate 23, wherein the rotating ring 22 is arranged under the cam, the rotating ring 22 is rotationally connected with the output shaft 10, two sides of the rotating ring 22 are fixedly connected with protruding short plates, the short plates are connected with the vertical plate 23 through the first spring 24, and the vertical plate 23 is fixedly connected with the inner shell 15.

When the device is operated, the output shaft 10 is located at an initial position, the initial position of the output shaft 10 is located at the position where the roller 13 is meshed with the main input shaft 11 on the circumference of the output shaft 10, and at the moment, the first cam piece 20 is located at a position which is not contacted with the stop block 21, and the protruding side of the first cam piece 20 is farthest from the stop block 21, at the moment, the main input shaft 11 rotates to drive the output shaft 10 and the main shaft 16 to rotate clockwise, and simultaneously drive the first cam piece 20 to rotate, after rotating by 180 degrees, the first cam piece 20 contacts with the stop block 21, so that the output shaft 10 is pushed to move in the oval through hole and then is meshed with the auxiliary input shaft 12, and the spiral directions of the supporting ribs 14 of the main input shaft 11 and the auxiliary input shaft 12 are opposite, so that when the output shaft 10 is meshed with the auxiliary input shaft 12, the output shaft 10 moves reversely, and simultaneously drives the first cam piece 20 to rotate reversely.

The longitudinal mechanism 3 comprises a telescopic rod and a pull rod 30 fixedly connected with the telescopic rod; the pull rod 30 is used for driving the device to move up and down.

In a preferred embodiment of the present utility model, the telescopic rod comprises a hollow tube 32 and a sliding rod 33 slidably connected to the hollow tube 32; a second spring is fixedly connected between the slide rod 33 and the hollow tube 32.

In a preferred embodiment of the present utility model, the pull rod 30 is fixedly connected to one end of the slide rod 33, and the stopper 35 is fixedly connected to the slide rod 33.

In a preferred embodiment of the present utility model, the bottom of the spindle 16 is uniformly provided with an annular groove, an elliptical ring 31 is slidingly connected to the circumference of the annular groove, and the elliptical ring 31 is engaged with the annular groove.

In a preferred embodiment of the present utility model, a second cam member 34 is fixedly connected to one end of the secondary input shaft 12, and the second cam member 34 and the blocking member 35 are located on the same horizontal plane.

It should be noted that, the longitudinal mechanism 3 mainly comprises a second cam member 34, a telescopic rod and an elliptical ring 31, the second cam member 34 is fixedly connected with the auxiliary input shaft 12, the telescopic rod is fixedly connected with the outer shell 36, the elliptical ring 31 is slidably connected with the main shaft 16, the second cam member 34 is also divided into two parts, one part is a small circle on the inner side, the other part is an arc fixedly connected to the outer side of the small circle, and the number of the arcs can be determined according to the condition that the main shaft 16 needs to press down to grasp or place a workpiece when in specific production; the telescopic rod mainly comprises a hollow tube 32, a sliding rod 33 and a blocking piece 35, wherein the hollow tube 32 is fixedly connected with an outer shell 36 and is in sliding connection with the sliding rod 33, a second spring is fixedly connected between the hollow tube 32 and the sliding rod 33, and the blocking piece 35 is fixedly connected with the sliding rod 33 and is in contact with a second cam piece 34; the main shaft 16 is slidably connected in the middle of the output shaft 10 and can only slide up and down, one end of the main shaft 16 is provided with a circular groove on the circumference thereof, the elliptical ring 31 is integrally arranged in an elliptical shape, the middle position of the cross section of the elliptical ring is provided with a groove which is matched with the circular groove box of the main shaft 16, and therefore, the main shaft 16 can slide and rotate in the elliptical ring 31, and the elliptical ring 31 is fixedly connected with the sliding rod 33 through the pull rod 30.

When the device operates, the auxiliary force input shaft 12 rotates to drive the second cam piece 34 to rotate, when the outer circular arc of the second cam piece 34 is in contact with the blocking piece 35, the blocking piece 35 is pushed to move outwards, the sliding rod 33 is driven to move so as to stretch the second spring, the elliptical ring 31 is driven to move downwards, the main shaft 16 is driven to move downwards to grab or place a workpiece, when the blocking piece 35 is in contact with the inner small circle, the spring is restored to deform, the main shaft 16 moves upwards, and the workpiece is driven to move to a target place.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A cam divider, comprising: a steering mechanism (1), a transverse mechanism (2) arranged above the steering mechanism (1), and a longitudinal mechanism (3) arranged at one side of the steering mechanism (1), and is characterized in that;

The steering mechanism (1) comprises a force output shaft (10), and a main force input shaft (11) and a secondary force input shaft (12) which are symmetrically arranged about the force output shaft (10); the circumference of the output shaft (10) is uniformly and fixedly connected with a roller (13), a spiral supporting rib (14) is arranged on the circumference of the main input shaft (11), and the roller (13) can be meshed with the supporting rib (14);

the transverse mechanism (2) comprises a pushing member and a withdrawing member arranged above the pushing member; the pushing piece and the withdrawing piece are connected with the output shaft (10), the transverse mechanism (2) can drive the output shaft (10) to transversely move, and the transverse mechanism is respectively meshed with the main input shaft (11) and the auxiliary input shaft (12) at the two sides;

The longitudinal mechanism (3) comprises a telescopic rod and a pull rod (30) fixedly connected with the telescopic rod; the pull rod (30) is used for driving the equipment to move up and down.

2. A cam divider according to claim 1, characterized in that: the steering mechanism (1) further comprises an inner shell (15), and the main input shaft (11), the auxiliary input shaft (12) and the output shaft (10) are rotationally connected with the inner shell (15).

3. A cam divider according to claim 1, characterized in that: the middle of the power output shaft (10) is hollow, and a main shaft (16) is connected to the hollow part of the middle of the power output shaft (10) in an up-down sliding manner.

4. A cam divider according to claim 1, characterized in that: the pushing member comprises a first cam member (20) and a stop (21); the first cam piece (20) is fixedly connected with the force output shaft (10), the first cam piece (20) and the force output shaft (10) are concentric, and the stop block (21) is arranged on one side of the first cam piece (20).

5. A cam divider according to claim 4, characterized in that: the withdrawable part comprises a rotary ring (22) and a vertical plate (23); short plates are arranged on two sides of the rotating ring (22), and a first spring (24) is fixedly connected between the short plates and the vertical plates (23).

6. A cam divider according to claim 5, characterized in that: the rotary ring (22) is rotationally connected with the power output shaft (10), the rotary ring (22) and the power output shaft (10) are positioned at the same center of a circle, the vertical plate (23) is fixedly connected with the inner shell (15), and the vertical plate (23) is arranged below the stop block (21).

7. A cam divider according to claim 3, characterized in that: an annular groove is uniformly formed in the bottom of the main shaft (16), an elliptical ring (31) is connected to the circumference of the annular groove in a sliding mode, and the elliptical ring (31) is matched with the annular groove.

8. A cam divider according to claim 2, characterized in that: the telescopic rod comprises a hollow tube (32) and a sliding rod (33) which is in sliding connection with the hollow tube (32); a second spring is fixedly connected between the sliding rod (33) and the hollow tube (32).

9. A cam divider according to claim 8, characterized in that: the pull rod (30) is fixedly connected with one end of the slide rod (33), and a blocking piece (35) is fixedly connected to the slide rod (33).

10. A cam divider according to claim 9, characterized in that: one end of the auxiliary force input shaft (12) is fixedly connected with a second cam piece (34), the second cam piece (34) and the baffle piece (35) are positioned on the same horizontal plane, an outer shell (36) is further arranged on the outer side of the inner shell (15), and the outer shell (36) is rotationally connected with the main force input shaft (11) and the main shaft (16); the main force input shaft (11) is connected with the auxiliary force input shaft (12) through a chain wheel and a chain to transmit power.