CN216867139U - Cam rotating and pressing mechanism - Google Patents

Abstract

The utility model discloses a cam rotary pressing mechanism which comprises a base, a top plate, a supporting bearing mounting seat and a driving cylinder, wherein the driving cylinder is fixed on the base, the supporting bearing mounting seat is positioned between the top plate and the base, a cam shaft is arranged above the supporting bearing mounting seat, the upper end of the cam shaft extends out of the upper part of a central opening of the top plate, the lower part of the cam shaft is arranged on a linear bearing mounting seat through a bearing seat, the output end of the driving cylinder is fixedly connected with the bearing seat through a clamping nut, and the outer wall of the middle part of the cam shaft is provided with a cam groove; this device just can calculate the cam position accurate when the installation through setting up the camshaft that has the cam groove, can use after the equipment, need not to adjust, and under the drive of cylinder, the camshaft realizes going up and down and two actions of rotation and utilizes pure mechanical structure to realize the rotation function, guarantees stability and beat, and device simple structure, the stable performance is lower to the requirement of installation and debugging.

Description

Cam rotating and pressing mechanism

Technical Field

The utility model relates to a cam mechanism, in particular to a cam rotating and pressing mechanism.

Background

In present automation, often all realize function separately with the electric execution original paper, how many power that has how many actions just to piece together, though realized in the function, beat and stability receive very big influence, for example the rotation compresses tightly, often all adds a rotatory power and rotates earlier, and then a lift power execution goes up and down, and a complicated mechanism is designed to several simple actions, design and maintenance cost greatly increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a cam rotating pressing mechanism to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a cam rotary compressing mechanism comprises a base, a top plate, a supporting bearing mounting seat and a driving cylinder, wherein the driving cylinder is fixed on the base, the supporting bearing mounting seat is arranged between the top plate and the base, a cam shaft is arranged above the supporting bearing mounting seat, the upper end of the cam shaft extends out of the upper part of the central opening of the top plate, the lower part of the cam shaft is arranged on a linear bearing mounting seat through a bearing seat, the output end of the driving cylinder is fixedly connected with the bearing seat through a clamping nut, the outer wall of the middle part of the cam shaft is provided with a cam groove, the cam groove comprises a straight line section of a front section and an MS curve section of a rear section, the straight line section is in line connection with the MS curve section, a cam follower in sliding connection with the cam groove is arranged in the cam groove, the cam follower is fixed on a cam follower mounting plate positioned at the bottom of the top plate, the bottom of the linear bearing mounting seat is provided with a linear bearing, the linear bearing is internally hollow and provided with an opening at the bottom, a guide shaft which is connected with the linear bearing in a sliding way is inserted in the linear bearing, and the lower end of the guide shaft is fixed on the base.

As a preferred embodiment of the present invention: the bottom of the bearing seat is sequentially connected with a floating joint connecting seat and a floating joint for connecting the camshaft and the linear bearing; and a bearing cover plate is arranged at the top of the bearing seat.

As a still further preferable embodiment of the present invention: the bottom of the bearing cover plate is provided with a flange extending outwards, the flange is provided with a plurality of upper mounting screws for fixing the bearing cover plate on the linear bearing mounting seat, the flange is further provided with a plurality of through holes, and the top of the bearing cover plate is further provided with a locking nut sleeved outside the camshaft.

As a still further preferable embodiment of the present invention: the bottom of the driving cylinder is fixedly connected with the base through a lower mounting screw which is inserted upwards from the bottom surface of the base; and a throttle valve is arranged on the side surface of the driving cylinder and used for controlling the lifting driving effect of the driving cylinder.

Compared with the prior art, the utility model has the beneficial effects that: this device just can calculate the cam position accurate when the installation through setting up the camshaft that has the cam groove, can use after the equipment, need not to adjust, and under the drive of cylinder, the camshaft realizes going up and down and two actions of rotation and utilizes pure mechanical structure to realize the rotation function, guarantees stability and beat, and device simple structure, the stable performance is lower to the requirement of installation and debugging.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is an enlarged view of a camshaft in the present invention.

In the figure, 1-cam shaft, 2-base, 3-top plate, 4-linear bearing mounting base, 5-floating joint, 6-floating joint connecting base, 7-cam follower, 8-bearing base, 10-bearing cover plate, 11-driving cylinder, 12-linear bearing, 13-guide shaft, 14-cam follower mounting plate, 15-cam groove, 16-locking nut, 17-throttle valve, 18-upper mounting screw, 19-through hole, 20-clamping nut and 21-lower mounting screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, in the embodiment of the present invention, a cam rotary compressing mechanism includes a base 2, a top plate 3, a supporting bearing mounting seat and a driving cylinder 11, the driving cylinder 11 is fixed on the base 2, the supporting bearing mounting seat is located between the top plate 3 and the base 2, a camshaft 1 is arranged above the supporting bearing mounting seat, an upper end of the camshaft 1 extends above a central opening of the top plate 3, the lower part of the camshaft 1 is mounted on a linear bearing mounting seat 4 through a bearing seat 8, an output end of the driving cylinder 11 is fixedly connected with the bearing seat 8 through a fastening nut 20, a cam groove 15 is arranged on an outer wall of a middle part of the camshaft 1, the cam groove 15 includes a linear section of a front section and an MS curve section of a rear section, the linear section is connected with the MS curve section, a cam follower 7 slidably connected with the cam groove 15 is arranged in the cam groove 15, and the cam follower 7 is fixed on a cam follower mounting plate 14 located at the bottom of the top plate 3, the bottom of the linear bearing mounting seat 4 is provided with a linear bearing 12, the inner part of the linear bearing 12 is hollow, the bottom of the linear bearing 12 is provided with an opening, a guide shaft 13 which is connected with the linear bearing 12 in a sliding way is inserted in the linear bearing 12, and the lower end of the guide shaft 13 is fixed on the base 2.

When the device is assembled, the camshaft 1 passes through the bearing seat 8 and is fixedly locked, the cam follower 7 is inserted into the cam groove 15, the cam follower 7 can slide in the cam groove 15 in a smooth manner, the bearing seat 8 is carried on the linear bearing mounting seat 4 and moves up and down along with the linear bearing 12, when the driving cylinder 11 stretches and contracts, the camshaft 1 moves up and down along with the cam follower 7, because the cam follower 7 is fixed, when the camshaft 1 goes up and down, the front section goes up and down in a straight line manner, and the rear section goes up and down in a rotating manner, the device can accurately calculate the position of the cam by arranging the camshaft 1 with the cam groove 15 during installation, can be used after being assembled without adjustment, can take 100 x, y and z coordinates according to the required lifting height and rotating angle according to an MS curve function to generate a curve, and corrects the curve to ensure that the front section is a straight line section and the rear section is an MS curve section, under the drive of cylinder, camshaft 1 realizes two actions of going up and down and rotatory and utilizes pure mechanical structure to realize the rotation function, guarantees stability and beat, and device simple structure, the stable performance is lower to the requirement of installation and debugging.

Specifically, the bottom of the bearing seat 8 is sequentially connected with a floating joint connecting seat 6 and a floating joint 5 for connecting the camshaft 1 and the linear bearing 12, so that when the camshaft 1 rotates at a high speed, the effects of buffering and damping an output shaft of the driving cylinder 11 are achieved; and a bearing cover plate 10 is arranged at the top of the bearing seat 8 and used for protecting the bearing seat 8.

Further, in order to ensure that the camshaft 1 is stably installed, the bottom of the bearing cover plate 10 is provided with a flange extending outwards, the flange is provided with a plurality of upper installation screws 18 to fix the bearing cover plate 10 on the linear bearing installation seat 4, the flange is further provided with a plurality of through holes 19 for supplementary installation of screws according to actual requirements, and meanwhile, the top of the bearing cover plate 10 is further provided with a locking nut 16 sleeved outside the camshaft 1 to further ensure the connection stability.

The bottom of the driving cylinder 11 is fixedly connected with the base 2 through a lower mounting screw 21, and the lower mounting screw 21 is inserted upwards from the bottom surface of the base 2; and a throttle valve 17 is arranged on the side surface of the driving cylinder 11 and used for controlling the lifting driving effect of the driving cylinder 11.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A cam rotary pressing mechanism comprises a base (2), a top plate (3), a supporting bearing mounting seat and a driving cylinder (11), wherein the driving cylinder (11) is fixed on the base (2), the supporting bearing mounting seat is positioned between the top plate (3) and the base (2), and the cam rotary pressing mechanism is characterized in that a cam shaft (1) is arranged above the supporting bearing mounting seat, the upper end of the cam shaft (1) extends out of the upper part of the central opening of the top plate (3), the lower part of the cam shaft (1) is arranged on a linear bearing mounting seat (4) through a bearing seat (8), the output end of the driving cylinder (11) is fixedly connected with the bearing seat (8) through a clamping nut (20), a cam groove (15) is arranged on the outer wall of the middle part of the cam shaft (1), the cam groove (15) comprises a linear section of a front section and an MS curve section of a rear section, and the linear section is in line connection with the MS curve section, a cam follower (7) in sliding connection with the cam groove (15) is arranged in the cam groove (15), the cam follower (7) is fixed on a cam follower mounting plate (14) located at the bottom of the top plate (3), a linear bearing (12) is arranged at the bottom of the linear bearing mounting seat (4), a hollow bottom opening is formed in the linear bearing (12), a guide shaft (13) in sliding connection with the linear bearing (12) is inserted in the linear bearing (12), and the lower end of the guide shaft (13) is fixed on the base (2).

2. A cam rotary compressing mechanism according to claim 1, wherein the bottom of the bearing seat (8) is connected with a floating joint connecting seat (6) and a floating joint (5) in sequence.

3. A cam rotary compression mechanism according to claim 1, wherein the bearing seat (8) is provided with a bearing cover plate (10) at the top.

4. A cam rotary press mechanism according to claim 3, wherein the bottom of the bearing cover plate (10) has an outwardly extending flange, and a plurality of upper mounting screws (18) are provided on the flange to fix the bearing cover plate (10) to the linear bearing mount (4), and a plurality of through holes (19) are provided on the flange.

5. A cam rotary pressing mechanism according to claim 4, characterized in that the top of the bearing cover plate (10) is further provided with a lock nut (16) sleeved outside the camshaft (1).

6. The cam rotary pressing mechanism according to claim 1, wherein the bottom of the driving cylinder (11) is fixedly connected with the base (2) through a lower mounting screw (21), and the lower mounting screw (21) is inserted upwards from the bottom surface of the base (2).

7. A cam rotary pressing mechanism according to claim 1, wherein a throttle valve (17) is provided on the side of the driving cylinder (11).

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