CN201757164U

CN201757164U - Cam transmission mechanism

Info

Publication number: CN201757164U
Application number: CN2010202614325U
Authority: CN
Inventors: 汤建荣; 段学连; 张龙; 张文明
Original assignee: CHANGZHOU HUITUO TECHNOLOGY Co Ltd
Current assignee: CHANGZHOU HUITUO TECHNOLOGY Co Ltd
Priority date: 2010-07-19
Filing date: 2010-07-19
Publication date: 2011-03-09
Anticipated expiration: 2020-07-19

Abstract

The utility model relates to packaging machinery, in particular to a cam transmission mechanism for a cap screwing machine or a filling machine. The cam transmission mechanism comprises a first cam rail (2), a second cam rail (3), a third cam rail (4), a first roller follower (5), a second roller follower (6), a third roller follower (7) and a linear shaft (8) connected with a rotating disc (9), wherein the first roller follower (5) and the second roller follower (6) are both movably sleeved on the linear shaft (8), the first cam rail (2) is connected with the first roller follower (5) through a cam pair, the second cam rail (3) is connected with the second roller follower (6) through a cam pair, and the third cam rail (4) is connected with the third roller follower (7) through a cam pair. The cam transmission mechanism is simple in structure and low in cost, can control fine actions, has high transmission precision and excellent transmission effect, and realizes precision transmission.

Description

Cam gear

Technical field

The utility model relates to a kind of package packing machine, particularly a kind of cam gear that is used for Cover whirling Machine or filling machine.

Background technique

At present, in industries such as daily use chemicals, food, medicine, the transmission device that be used to grab lid on filling machine or the Cover whirling Machine, takes off work such as lid is the important component part of filling machine or Cover whirling Machine, can power be transmitted by the transmission device of grabbing lid, taking off lid etc., for grabbing lid, taking off lid operation power is provided, the finishing of relevant action in order to have guaranteed grabbing lid on filling machine or the Cover whirling Machine, to have taken off cover helps spiral cover.Existing be used for filling machine or Cover whirling Machine grab lid take off lid wait transmission device generally pneumatic the or Electric actuator structure of employing realize, transmission structures complexity, cost height, and finishing of pneumatic or the wayward trickle action of Electric actuator structure, transmission precision is poor, and the transmission effect is undesirable.

The model utility content

The purpose of model utility is the deficiency that exists in the above-mentioned technology, provide a kind of simple in structure, cost is low, transmission is effective, can realize the cam gear that is used for filling machine or Cover whirling Machine of precision drive.

Realize that the above-mentioned purpose technological scheme is: a kind of cam gear, include a cam rail and No. two cam rails of being sleeved on the axis, also include and be arranged on No. three cam rails on the cam rail No. one, also include roller follower No. one, No. two roller followers, No. three roller followers, also include the linear axis that is connected with rotating disc, a roller follower and No. two equal movable sets of roller follower are on linear axis, No. one roller follower includes a roller and a dunnage, No. two roller follower includes No. two rollers and No. two dunnages, No. three roller follower includes roller No. three, No. one cam rail is connected by the cam parafacies with a roller follower, No. two cam rail is connected by the cam parafacies with No. two roller followers, and No. three cam rail is connected by the cam parafacies with No. three roller followers.

Further, a described roller follower and No. two roller followers all by the linear bearing movable set on linear axis.

Further, described No. three roller followers also include little axle and axle sleeve, are installed with little axle resetter between little axle and the axle sleeve, have the stroke groove on the little axle, be movably set with pin in the stroke groove, No. three roller followers and a dunnage be fixed together by set screw nut.

Further, described little axle resetter is a spring.

Further, described stroke groove is an oval shape through hole.

After adopting technique scheme, have a lot of benefits: the utility model is simple in structure, cost is low, No. one cam rail is connected by the cam parafacies with a roller follower, No. two cam rail is connected by the cam parafacies with No. two roller followers, No. three cam rail is connected by the cam parafacies with No. three roller followers, connection transmission by the cam pair, drive No. one roller follower, No. two roller followers and No. three roller followers are realized back and forth moving up and down at a high speed, for grabbing lid, take off lid operation power is provided, guaranteed to grab lid on filling machine or the Cover whirling Machine, take off the finishing of relevant action of cover, help spiral cover.The structure that the utility model adopts can be controlled finishing of trickle action, the transmission precision height, and transmission is effective, has realized precision drive.

Description of drawings

Fig. 1 is a mounting structure schematic representation of the present utility model;

Fig. 2 is the utility model partial structurtes schematic representation.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

Embodiment

As depicted in figs. 1 and 2, a kind of cam gear, include a cam rail 2 and No. two cam rails 3 of being fixedly set on the axis 1, also include and be fixedly installed on No. three cam rails 4 on the cam rail 2 No. one, also include roller follower 5, No. two roller followers 6, No. three roller followers 7, also include and fixedly connected linear axis 8 with rotating disc 9.Roller follower 5 and No. two roller followers 6 all by linear bearing 10 movable sets on linear axis 8, thereby a roller follower 5 and No. two roller followers 6 are all flexibly connected by linear bearing 10 and linear axis 8.No. one roller follower 5 includes a roller 5-1 and a dunnage 5-2, No. two roller follower 6 includes No. two roller 6-1 and No. two dunnage 6-2, No. three roller follower 7 includes roller 7-1 No. three, No. three roller follower 7 also includes little axle 7-2 and axle sleeve 7-3, be installed with little axle resetter 7-4 between little axle 7-2 and the axle sleeve 7-3, have stroke groove 7-5 on the little axle 7-2, be movably set with the pin 7-6 that stops little axle resetter 7-4 effect in the stroke groove 7-5, described little axle resetter 7-4 is a spring, described stroke groove 7-5 is an oval shape through hole, by set screw nut 11 No. three roller followers 7 and a dunnage 5-2 are fixed together, thereby No. three roller followers 7 are arranged on roller follower 5.No. one cam rail 2 is connected by the cam parafacies with a roller follower 5, No. one roller 5-1 contacts with the upper-end surface of a cam rail 2, and can on a cam rail 2, roll, No. two cam rail 3 is connected by the cam parafacies with No. two roller followers 6, No. two roller 6-1 contacts with the upper-end surface of No. two cam rails 3, and can on No. two cam rails 3, roll, No. three cam rail 4 is connected by the cam parafacies with No. three roller followers 7, No. three roller 7-1 contacts with the lower end surface of No. three cam rails 7, and can roll on No. three cam rails 7.

Working principle of the present utility model is: a cam rail 2, No. two cam rails 3 and No. three cam rails 4 maintain static, remain static, under the rotating disc 9 that is connected with linear axis 8 drives, a roller follower 5, No. two roller followers 6 and No. three roller followers 7 rotate synchronously with rotating disc 9, because a cam rail 2 is connected by the cam parafacies with a roller follower 5, No. two cam rail 3 is connected by the cam parafacies with No. two roller followers 6, No. three cam rail 4 is connected by the cam parafacies with No. three roller followers 7, make roller follower 5 No. one, No. two roller followers 6 and No. three roller followers 7 produce reciprocal the moving up and down of high speed, for providing power with roller follower 5 fitting that links to each other with No. two roller followers 6, guaranteed to grab on filling machine or the Cover whirling Machine the finishing of relevant action of cover, drive No. three little axle 7-2 actions in the roller follower 7, the effect that little axle 7-2 is equivalent to take off bar, by reciprocal the moving up and down of little axle 7-2, guaranteed to take off on filling machine or the Cover whirling Machine the finishing of relevant action of cover.The utility model helps the carrying out of work such as spiral cover.

The utility model is not limited to the foregoing description, and the technological scheme that all employings are equal to replacement or equivalence replacement formation all belongs to the claimed scope of the utility model.

Claims

1. cam gear, it is characterized in that: include the cam rail (2) and No. two cam rails (3) that are sleeved on the axis (1), also include No. three cam rails (4) that are arranged on the cam rail (2), also include a roller follower (5), No. two roller followers (6), No. three roller followers (7), also include the linear axis (8) that is connected with rotating disc (9), the equal movable set of a roller follower (5) and No. two roller followers (6) is on linear axis (8), a roller follower (5) includes a roller (5-1) and a dunnage (5-2), No. two roller followers (6) include No. two rollers (6-1) and No. two dunnages (6-2), No. three roller followers (7) include No. three rollers (7-1), a cam rail (2) is connected by the cam parafacies with a roller follower (5), No. two cam rails (3) are connected by the cam parafacies with No. two roller followers (6), and No. three cam rails (4) are connected by the cam parafacies with No. three roller followers (7).

2. cam gear according to claim 1 is characterized in that: a described roller follower (5) and No. two roller followers (6) all by linear bearing (10) movable set on linear axis (8).

3. cam gear according to claim 1, it is characterized in that: described No. three roller followers (7) also include little axle (7-2) and axle sleeve (7-3), be installed with little axle resetter (7-4) between little axle (7-2) and the axle sleeve (7-3), have stroke groove (7-5) on the little axle (7-2), be movably set with pin (7-6) in the stroke groove (7-5), No. three roller followers (7) and a dunnage (5-2) be fixed together by set screw nut (11).

4. cam gear according to claim 3 is characterized in that: described little axle resetter (7-4) is a spring.

5. cam gear according to claim 3 is characterized in that: described stroke groove (7-5) is an oval shape through hole.