CN221097376U

CN221097376U - Special-shaped cam mechanism

Info

Publication number: CN221097376U
Application number: CN202322304604.2U
Authority: CN
Inventors: 陆振华
Original assignee: Dongguan Fumeilai Powder Metallurgy Co ltd
Current assignee: Dongguan Fumeilai Powder Metallurgy Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-06-07
Anticipated expiration: 2033-08-28

Abstract

The utility model discloses a special-shaped cam mechanism which comprises a cam body, wherein an adjusting groove is fixedly formed in the outer wall of one side of the cam body, two rotating shafts are respectively and rotatably arranged in the adjusting groove, a connecting arm and a pinion are respectively sleeved on the outer walls of the two rotating shafts, the other ends of the two connecting arms are connected with rotating wheels, a double-sided rack is slidably arranged in the middle of the adjusting groove, the upper end face of the double-sided rack is fixedly connected with a sliding shaft, the upper end face of the sliding shaft is fixedly connected with a pushing cap, a locating pin is slidably sleeved on one side of the pushing cap, a pulling cap is fixedly connected to the upper end of the locating pin, the connecting arm and the pinion are fixedly sleeved on the outer wall of the rotating shaft, the pinion is arranged at the upper end of the connecting arm, and the rotating wheels are rotatably arranged on the connecting arm. The special-shaped cam mechanism can extend the working range of the cam, meets the production requirement without replacing the cam, saves the cost and has practicability.

Description

Special-shaped cam mechanism

Technical Field

The utility model relates to the field of special-shaped cams, in particular to a special-shaped cam mechanism.

Background

A cam refers to a mechanical turning or sliding member such as a wheel or a protruding part of a wheel, which transmits movement to a roller that moves against its edge or a needle bar that is free to move on a grooved surface, or which receives forces from such a roller and needle bar.

At present, the cam has a single and fixed integral structure, is inconvenient to use and is not convenient to adjust, and special use requirements cannot be met.

Disclosure of utility model

The utility model mainly aims to provide a special-shaped cam mechanism which can effectively solve the technical problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The special-shaped cam mechanism comprises a cam body, wherein an adjusting groove is fixedly formed in the outer wall of one side of the cam body, two rotating shafts are respectively arranged in the adjusting groove in a rotating mode, a connecting arm and a pinion are respectively sleeved on the outer walls of the two rotating shafts, and the other ends of the two connecting arms are connected with rotating wheels;

The middle part of the adjusting groove is provided with a double-sided rack in a sliding manner, the upper end face of the double-sided rack is fixedly connected with a sliding shaft, the upper end face of the sliding shaft is fixedly connected with a pushing cap, one side of the pushing cap is sleeved with a locating pin in a sliding manner, and the upper end of the locating pin is fixedly connected with a pulling cap.

As a further scheme of the utility model, the connecting arm and the pinion are fixedly sleeved on the outer wall of the rotating shaft, the pinion is arranged at the upper end of the connecting arm, and the rotating wheel is rotatably arranged on the connecting arm.

As a further scheme of the utility model, the upper end surface of the adjusting groove is fixedly provided with a sliding groove and a plurality of positioning grooves, the positioning grooves are uniformly distributed on one side of the sliding groove, the sliding shaft penetrates through the sliding groove, and the positioning pin is sleeved in the positioning groove in a sliding manner.

As a further aspect of the present utility model, both of the pinions are engaged with a double-sided rack.

As a further scheme of the utility model, a spring is fixedly connected between the pull cap and the push cap, and the spring is movably sleeved on the outer wall of the positioning pin.

The beneficial effects of the utility model are as follows:

The sliding shaft is driven to move through the push cap, the double-sided rack is driven to move, the pinion is driven to rotate, the rotating wheel is driven to move out of the adjusting groove through the connecting arm, the working range of the cam is extended, production requirements are met under the condition that the cam is not replaced, cost is saved, and practicability is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of a profiled cam mechanism of the present utility model;

FIG. 2 is a schematic view of an internal housing structure of a profile cam mechanism according to the present utility model;

fig. 3 is a schematic view of an internal unfolding structure of a special-shaped cam mechanism according to the utility model.

In the figure: 1. a cam body; 2. an adjustment tank; 3. a rotating shaft; 4. a connecting arm; 5. a rotating wheel; 6. a pinion gear; 7. double-sided racks; 8. a slide shaft; 9. a positioning pin; 10. pulling the cap; 11. a spring; 12. pushing the cap; 13. a chute; 14. and a positioning groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a special-shaped cam mechanism comprises a cam body 1, wherein an adjusting groove 2 is fixedly formed in the outer wall of one side of the cam body 1, two rotating shafts 3 are respectively arranged in the adjusting groove 2 in a rotating mode, a connecting arm 4 and a pinion 6 are respectively sleeved on the outer walls of the two rotating shafts 3, the connecting arm 4 and the pinion 6 are fixedly sleeved on the outer walls of the rotating shafts 3, the pinion 6 is arranged at the upper end of the connecting arm 4, the other ends of the two connecting arms 4 are connected with rotating wheels 5, and the rotating wheels 5 are rotatably arranged on the connecting arm 4.

The middle part of the adjusting groove 2 is slidably provided with a double-sided rack 7, two pinions 6 are meshed with the double-sided rack 7, the upper end face of the double-sided rack 7 is fixedly connected with a sliding shaft 8, the upper end face of the sliding shaft 8 is fixedly connected with a push cap 12, one side of the push cap 12 is slidably sleeved with a positioning pin 9, the upper end of the positioning pin 9 is fixedly connected with a pull cap 10, the sliding shaft 8 is driven to move through the push cap 12, the double-sided rack 7 can be driven to slide, and accordingly the two pinions 6 are driven to rotate, and then the rotating wheel 5 is driven to extend out of the adjusting groove 2 through the connecting arm 4.

In this embodiment, the upper end surface of the adjusting slot 2 is fixedly provided with a chute 13 and a plurality of positioning slots 14, the positioning slots 14 are uniformly distributed at one side of the chute 13, the sliding shaft 8 is arranged through the chute 13, the positioning pin 9 is slidably sleeved in the positioning slot 14, and the positioning slot 14 can be fixed after the push cap 12 moves by using the positioning pin 9 to slidably sleeve the positioning slot 14.

In this embodiment, a spring 11 is fixedly connected between the pull cap 10 and the push cap 12, the spring 11 is movably sleeved on the outer wall of the positioning pin 9, and the positioning pin 9 can be prevented from being separated from the positioning groove 14 in a natural state by the spring 11.

It should be noted that, when the special-shaped cam mechanism is used, the push cap 12 drives the sliding shaft 8 to slide in the sliding groove 13, so that the double-sided rack 7 is driven to move, the two pinions 6 are driven to rotate, the connecting arm 4 is driven to swing through the rotating shaft 3, the rotating wheel 5 is driven to extend out of the adjusting groove 2, the purpose of adjusting the axial center of the cam body 1 to the length range of a contact workpiece is achieved, the replacement of cams with different specifications is avoided, the use requirement is met, and the special-shaped cam mechanism has practicability.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A special-shaped cam mechanism which is characterized in that: the cam comprises a cam body (1), wherein an adjusting groove (2) is fixedly formed in the outer wall of one side of the cam body (1), two rotating shafts (3) are respectively arranged in the adjusting groove (2) in a rotating mode, a connecting arm (4) and a pinion (6) are respectively sleeved on the outer walls of the two rotating shafts (3), and the other ends of the two connecting arms (4) are connected with rotating wheels (5);

the adjustable double-sided rack is characterized in that a double-sided rack (7) is slidably arranged in the middle of the adjusting groove (2), a sliding shaft (8) is fixedly connected to the upper end face of the double-sided rack (7), a push cap (12) is fixedly connected to the upper end face of the sliding shaft (8), a positioning pin (9) is slidably sleeved on one side of the push cap (12), and a pull cap (10) is fixedly connected to the upper end of the positioning pin (9).

2. The profiled cam mechanism of claim 1 wherein: the connecting arm (4) and the pinion (6) are fixedly sleeved on the outer wall of the rotating shaft (3), the pinion (6) is arranged at the upper end of the connecting arm (4), and the rotating wheel (5) is rotatably arranged on the connecting arm (4).

3. The profiled cam mechanism of claim 1 wherein: the utility model discloses a sliding chute, including adjusting groove (2), locating pin (9), spout (13) and a plurality of constant head tank (14) have been seted up to fixed the seting up of adjusting groove (2), and a plurality of constant head tank (14) evenly distributed set up in spout (13) one side position department, slide shaft (8) run through spout (13) setting, locating pin (9) slip cup joint in constant head tank (14).

4. The profiled cam mechanism of claim 1 wherein: both pinions (6) are engaged with a double-sided rack (7).

5. The profiled cam mechanism of claim 1 wherein: a spring (11) is fixedly connected between the pulling cap (10) and the pushing cap (12), and the spring (11) is movably sleeved on the outer wall of the positioning pin (9).