CN219472674U - Cam mechanism for loom - Google Patents

Abstract

The utility model provides a cam mechanism for a loom, which comprises: the cam body comprises a cam sheet, a cam rim fixed on the edge of the cam sheet and an axle position hole formed in the cam sheet, an axle position limiting structure is fixed at the position of the axle position hole and comprises an axle position cylinder, a plurality of reinforcing ribs are fixed on the side wall of the axle position cylinder, the bottom surfaces of the reinforcing ribs are fixed with the cam sheet, and the other ends of the reinforcing ribs of the cam sheet are fixedly connected with the side surface of the cam rim; according to the utility model, the stable supporting capability of the lower flange with the same thickness can be improved by arranging the reinforcing ribs between the cam flange and the shaft position cylinder, the linkage shaft is better limited by arranging the rectangular long groove on the shaft position cylinder, so that the linkage shaft is more stably connected with the shaft position cylinder, and abnormal sound caused by looseness between the linkage shaft and the cam body is avoided by arranging the oil storage cavity, the oil flow ring groove and the oil drain hole.

Description

Cam mechanism for loom

Technical Field

The utility model relates to the technical field of cams, in particular to a cam mechanism for a loom.

Background

The prior art cam structure is common, such as the lathe cam of patent No. 201621109735.9, referring specifically to fig. 1, fig. 1 is a schematic diagram of the prior art device. As shown in fig. 1, the cam includes a cam body 2, a shaft hole 6 is provided on the cam body 2, a cam shaft 7 is sleeved in the shaft hole 6, a bevel groove 1 inclined towards the inner side of the shaft hole 6 is provided on the side surface of the cam body 2, which is eccentrically provided with the shaft hole 6, a plurality of limit grooves 5 are provided on the cam body 2 along the circumferential direction of the shaft hole 6, a bevel groove 1 inclined towards the inner side of the shaft hole 6 is provided on the side surface of the cam body 2, the bevel groove 1 is provided to reduce the weight of the cam, friction force and inertia momentum are reduced, a plurality of limit grooves 5 are provided on the cam body 2 along the circumferential direction of the shaft hole 6, a protrusion is provided on the outer wall of the cam shaft 7, and when the cam body 2 needs to keep a certain supporting force, a certain thickness is required to be adopted for the whole cam body 2, but the structure needs to consume more raw materials, and is heavy when in use, and is easy to wear with a linkage shaft in the continuous rotation process, so that the cam body 2 is unstable in use process.

Therefore, it is necessary to develop a cam mechanism for a stable loom.

Disclosure of Invention

The present utility model provides a cam mechanism for a loom to solve the above-mentioned problems.

In order to achieve the above object, an embodiment of the present utility model provides a cam mechanism for a loom, including: the cam body comprises a cam plate, a cam rim fixed on the edge of the cam plate and a shaft position hole formed in the cam plate, a shaft position limiting structure is fixed at the position of the shaft position hole and comprises a shaft position cylinder, a plurality of reinforcing ribs are fixed on the side wall of the shaft position cylinder, the bottom surfaces of the reinforcing ribs are fixed with the cam plate, and the other ends of the reinforcing ribs of the cam plate are fixedly connected with the side face of the cam rim.

Furthermore, two rectangular long grooves are formed in the inner wall of the shaft position cylinder, and the two rectangular long grooves are symmetrically arranged along the central line of the shaft position cylinder.

Further, one side of the rectangular long groove is provided with an arc convex hoop.

Further, an oil storage cavity is formed in one side of the arc-shaped convex hoop.

Further, the shaft position cylinder is provided with an oil filling hole, and an oil blocking plug is arranged at the position of the oil filling hole.

Further, the shaft position cylinder is provided with a plurality of oil flow ring grooves, the distances between two adjacent oil flow ring grooves are equal, and each oil flow ring groove is communicated with the oil storage cavity.

Further, an oil drain hole is formed in one side of the oil flow ring groove, and the oil drain hole penetrates through the inner ring surface of the shaft position cylinder.

Further, the caliber of the oil drain hole gradually increases towards the circle center along the edge direction of the shaft position cylinder.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

the stable supporting capability of the lower flange with the same thickness can be improved by arranging the reinforcing ribs between the cam flange and the shaft position cylinder;

the rectangular long groove is formed in the shaft position cylinder, so that the linkage shaft is better limited, and the linkage shaft is more stably connected with the shaft position cylinder;

through setting up oil storage chamber, oil flow annular and oil drain hole, realize the cam body and rotate the function on the axle position section of thick bamboo inner wall with lubricating oil even, and then avoid appearing becoming flexible between universal driving axle and the cam body and produce abnormal sound.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of a prior art device;

FIG. 2 is a perspective view of a preferred embodiment of a cam mechanism for a loom in accordance with the present utility model;

FIG. 3 is a perspective view of a preferred embodiment of the cam body of the present utility model;

FIG. 4 is a schematic elevational view of the axial cartridge of the present utility model;

fig. 5 is a perspective cross-sectional view of a preferred embodiment of the axial position defining structure of the present utility model.

100, a cam body; 200. a flange; 300. a cam plate; 400. reinforcing ribs; 500. an axle position hole; 600. an axle position limiting structure; 601. an axle position cylinder; 602. rectangular long slots; 603. an arc-shaped convex hoop; 604. an oil plug; 605. an oil storage chamber; 606. an oil flow ring groove; 607. and an oil drain hole.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

Referring to fig. 2 to 3, fig. 2 is a perspective view showing a preferred embodiment of a cam mechanism for a loom according to the present utility model; fig. 3 is a perspective view of a preferred embodiment of the cam body of the present utility model. As shown in fig. 2 to 3, the present utility model provides a cam mechanism for a loom, comprising: the cam body 100, the cam body 100 includes a cam 300, a flange 200 fixed on the edge of the cam 300, and an axle hole 500 formed on the cam 300, it should be further noted that, the thickness of the cam 300 is smaller than that of the flange 200, the main purpose of this design is to reduce the material consumption required by the whole cam body 100 when the flange 200 is propped against the external driven mechanism, an axle limiting structure 600 is fixed at the position of the axle hole 500, the main function of the axle limiting structure 600 is to fix the linkage axle, the axle limiting structure 600 includes an axle cylinder 601, a plurality of reinforcing ribs 400 are fixed on the side wall of the axle cylinder 601, specifically, the reinforcing ribs 400 are arranged to enhance the stable supporting strength of the flange 200, the bottom surface of the reinforcing rib 400 is fixed with the cam 300, and the other end of the reinforcing rib 400 of the cam 300 is fixedly connected with the side surface of the flange 200.

With continued reference to fig. 2 in combination with fig. 4 and 5, fig. 4 is a schematic front view of the axial cylinder according to the present utility model; fig. 5 is a perspective cross-sectional view of a preferred embodiment of the axial position defining structure of the present utility model. As shown in fig. 2, 4 and 5, the following specifically describes the structure of the axle position cylinder 601, two rectangular long grooves 602 are provided on the inner wall of the axle position cylinder 601, and the two rectangular long grooves 602 are symmetrically disposed along the center line of the axle position cylinder 601. One side of the rectangular long groove 602 is provided with an arc-shaped convex hoop 603. One side of the arc-shaped convex hoop 603 is provided with an oil storage cavity 605. The axle position cylinder 601 is provided with an oil filling hole, an oil blocking plug 604 is arranged at the position of the oil filling hole, the oil blocking plug 604 is used for blocking the oil filling hole, and the oil storage cavity 605 is used for storing lubricating oil.

Please continue to refer to fig. 4 and 5. As shown in fig. 4 and 5, the shaft cylinder 601 is provided with a plurality of oil flow ring grooves 606, the distances between two adjacent oil flow ring grooves 606 are equal, and each oil flow ring groove 606 is communicated with the oil storage cavity 605. During rotation of the cam body 100, the lubricant within the lubricant reservoir 605 is continuously delivered to the lubricant flow ring groove 606. An oil drain hole 607 is formed in one side of the oil flow ring groove 606, and the oil drain hole 607 penetrates through the inner ring surface of the shaft position cylinder 601. The lubricating oil introduced into the oil flow ring groove 606 is discharged from the oil discharge hole 607, and the lubricating oil acts on the inner ring surface of the shaft position cylinder 601 against which the linkage shaft abuts. The diameter of the oil drain hole 607 gradually increases toward the center of the circle along the edge of the shaft cylinder 601, so that a small amount of lubricating oil can be drained from the oil drain hole 607, and the drained and nonfunctional lubricating oil is drained and accommodated into the oil flow ring groove 606 through the oil drain hole 607 again.

In summary, the beneficial effects of the utility model are as follows: through set up strengthening rib 400 between cam rim 200 and axle position section of thick bamboo 601, can improve the stable support ability of cam rim 200 under the same thickness, through set up rectangle elongated slot 602 on axle position section of thick bamboo 601, better restriction universal driving axle makes it more stable be connected with axle position section of thick bamboo 601, through setting up oil storage chamber 605, oil flow annular 606 and oil drain hole 607, realizes the function that will lubricate oil evenly on the inner wall of axle position section of thick bamboo 601 in the rotation process of cam body 100, and then avoids appearing becoming flexible between universal driving axle and the cam body 100 and produce abnormal sound.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications 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 (8)

1. A cam mechanism for a loom, comprising: cam body (100), cam body (100) include cam piece (300), fix cam piece (300) marginal cam edge (200) and offer axle position hole (500) on cam piece (300) axle position hole (500) position is fixed with axle position limit structure (600), axle position limit structure (600) include axle position section of thick bamboo (601), be fixed with a plurality of strengthening ribs (400) on the lateral wall of axle position section of thick bamboo (601), the bottom surface of strengthening rib (400) with cam piece (300) are fixed mutually, the other end of strengthening rib (400) of cam piece (300) and the side fixed connection of cam edge (200).

2. A cam mechanism for a loom as claimed in claim 1, characterized in that: two rectangular long grooves (602) are formed in the inner wall of the shaft position cylinder (601), and the two rectangular long grooves (602) are symmetrically arranged along the central line of the shaft position cylinder (601).

3. A cam mechanism for a loom as claimed in claim 2, characterized in that: one side of the rectangular long groove (602) is provided with an arc convex hoop (603).

4. A cam mechanism for a loom as claimed in claim 3, wherein: one side of the arc-shaped convex hoop (603) is provided with an oil storage cavity (605).

5. A cam mechanism for a loom as claimed in claim 4, wherein: the oil filling hole is formed in the shaft position cylinder (601), and an oil blocking plug (604) is arranged at the position of the oil filling hole.

6. A cam mechanism for a loom as claimed in claim 5, wherein: a plurality of oil flow ring grooves (606) are formed in the shaft position cylinder (601), the distances between two adjacent oil flow ring grooves (606) are equal, and each oil flow ring groove (606) is communicated with the oil storage cavity (605).

7. A cam mechanism for a loom as claimed in claim 6, wherein: an oil drain hole (607) is formed in one side of the oil flow ring groove (606), and the oil drain hole (607) penetrates through the inner annular surface of the shaft position cylinder (601).

8. A cam mechanism for a loom as claimed in claim 7, wherein: the caliber of the oil drain hole (607) gradually increases towards the circle center along the edge direction of the shaft position cylinder (601).