CN203173782U

CN203173782U - Cap screwing device

Info

Publication number: CN203173782U
Application number: CN 201320131047
Authority: CN
Inventors: 段学连; 汤建荣
Original assignee: CHANGZHOU HUITUO TECHNOLOGY Co Ltd
Current assignee: CHANGZHOU HUITUO TECHNOLOGY Co Ltd
Priority date: 2013-03-22
Filing date: 2013-03-22
Publication date: 2013-09-04
Anticipated expiration: 2023-03-22

Abstract

The utility model discloses a cap screwing device which comprises a box body, a plurality of cap-grasping claws, a sliding rod, a rotating shaft and a power transmission device. The rotating shaft is borne on the box body in a rotatable mode, the power transmission device drives the rotating shaft to rotate, the sliding rod can be axially installed in the rotating shaft in a moving mode, and the cap screwing device further comprises a cap-screwing opening and closing mechanism which enables the cap-grasping claws to be opened and closed, the cap-grasping claws are hinged to the lower end of the rotating shaft, the cap-screwing opening and closing mechanism comprises a movable core and a plurality of rolling bodies, the movable core is provided with a curve outline, the rolling bodies are tightly attached to the curve outline and can roll on the curve outline, the movable core is installed at the lower end of the sliding rod in a rotatable mode, and each rolling body is arranged on one corresponding cap-grasping claw. The cap screwing device is big in clamping force, in the process of cap screwing, a bottle cap does not easily slide, and convenience is brought to work of the cap screwing device.

Description

Cap rotating device

Technical field

The utility model relates to a kind of cap rotating device, belongs to the cap rotating machine equipment technical field.

Background technology

At present; in daily use chemicals; food; in the industries such as medicine; cap rotating device on the cap rotating machine is the chief component of cap rotating machine; the artificial spiral cover of employing that existing spiral cover operation has; not only labour intensity is big; take time and effort, production efficiency is low, also can't adapt to automation; requirement of massive production; mechanical cap rotating device is also arranged; disclose a kind of cap rotating machine numerical control cap rotating device as Chinese patent CN201151648Y, though this cap rotating device is simple in structure, gripping power is not strong; in the spiral cover process; bottle cap skids easily, also is inconvenient to take out the bottle after the spiral cover operation finishes, and uses quite inconvenience.

Summary of the invention

Technical problem to be solved in the utility model is the defective that overcomes prior art, provides that a kind of gripping power is big, bottle cap is not easy to skid in the spiral cover process, makes things convenient for the cap rotating device of cap rotating machine work.

In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of cap rotating device, comprise casing, some grabbing covered pawl, sliding bar and the power drive that can be rotated to support on the S. A. on the casing and drive the S. A. rotation, sliding bar can be installed in the S. A. with moving axially, also comprise making and grab the spiral cover open-and-close mechanism that covers the pawl folding, grab and cover the lower end that pawl is hinged on S. A., some rolling bodys that the spiral cover open-and-close mechanism comprises the slide core that is provided with curved profile and is close to curved profile and can rolls at curved profile, slide core is rotatably installed in the lower end of sliding bar, and each rolling body is arranged on corresponding grabbing and covers on the pawl.

Further, be fitted with tween drive shaft in the described sliding bar, fixedly there is the bottle cap mouth that makes bottle cap the lower end of tween drive shaft towards the directed piece of unanimity.

Further, be provided with the elastic thrust mechanism that makes directed piece be close to bottle cap between described tween drive shaft and the casing, this elastic thrust mechanism comprises spring block and spring, described tween drive shaft passes spring block, and have spring eye on the tween drive shaft, spring is installed in the spring eye, and an end of spring is against on the spring block, and the other end is against on the tween drive shaft.

Further, the lower end of described S. A. is set with the outer ring, described grab to cover be provided with the elastic element that makes rolling body be close to curved profile between pawl and the outer ring.

Further, described power drive comprises the initiative drive shaft that can be rotated to support on the casing and the driven gear that is sleeved on the driving gear on the initiative drive shaft and is sleeved on the S. A. upper end, driving gear and driven gear engagement.

After having adopted technique scheme, initiative drive shaft is given driving gear with transmission of power, driving gear is given driven gear with transmission of power, the rotation of driven gear driven rotary axle, grab and cover just and then rotation of pawl, simultaneously, when cylinder moves downward sliding bar to drive slide core to be done to move downward, the cylindrical of rolling body can be done curvilinear motion along the curved profile of slide core, cover pawl by open configuration closure slowly thereby realize grabbing, when cylinder makes sliding bar upward movement drive slide core do upward movement, the cylindrical of rolling body can be done curvilinear motion along the curved profile of slide core, thereby realizing grabbing cover pawl and is slowly opened by closure state, has so just finished whole spiral cover operation, because the mode of having used the curved profile of slide core to cooperate with rolling body realizes opening or closure, grab with respect to direct promotion and to cover pawl and clamp, gripping power is bigger, will make that like this bottle cap is not easy to skid in the spiral cover process, has made things convenient for the continuous working of cap rotating machine; Directed piece fixing on the tween drive shaft can make the bottleneck of bottle cap towards unanimity; Lid can be subjected to the top power that makes progress that bottle provides in grabbing the process of covering the pawl spiral cover, and this moment, spring just played the effect that reduces top power, and spring block is except there being the fixedly effect of tween drive shaft and spring, the also restricted tween drive shaft effect of rotating; The setting of elastic element makes rolling body can be close to curved profile in rolling process.

Description of drawings

Fig. 1 is the structural representation of cap rotating device of the present utility model;

Fig. 2 is the part sectional view at elastic element of the present utility model position.

The specific embodiment

Content of the present utility model is easier to be expressly understood in order to make, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below,

As Fig. 1, shown in 2, a kind of cap rotating device, comprise casing 4, some grabbing covered pawl 8, sliding bar 6 and the power drive that can be rotated to support on the S. A. 11 on the casing 4 and drive S. A. 11 rotations, sliding bar 6 can be installed in the S. A. 11 with moving axially, also comprise making and grab the spiral cover open-and-close mechanism that covers pawl 8 foldings, grab and cover the lower end that pawl 8 is hinged on S. A. 11, some rolling bodys 9 that the spiral cover open-and-close mechanism comprises the slide core 7 that is provided with curved profile 7-1 and is close to curved profile 7-1 and can rolls at curved profile 7-1, slide core 7 is rotatably installed in the lower end of sliding bar 6, and each rolling body 9 is arranged on corresponding grabbing and covers on the pawl 8.Such structure just realizes whole spiral cover operation, because the mode of having used the curved profile 7-1 of slide core 7 to cooperate with rolling body 9 realizes opening or is closed, grab with respect to direct promotion and to cover pawl 8 and clamp, gripping power is bigger, will make that like this bottle cap is not easy to skid in the spiral cover process, make things convenient for the continuous working of cap rotating machine.

Automatic production line operation for convenience will be guaranteed the bottleneck of bottle cap towards unanimity, as shown in Figure 1, is fitted with tween drive shaft 12 in the sliding bar 6, and fixedly there is the bottle cap mouth that makes bottle cap the lower end of tween drive shaft 12 towards the directed piece 10 of unanimity.

Lid can be subjected to the top power that makes progress that bottle provides in grabbing the process of covering the pawl spiral cover, in order to slow down this top power that makes progress, as shown in Figure 1, be provided with the elastic thrust mechanism that makes directed piece 10 be close to bottle cap between tween drive shaft 12 and the casing 4, this elastic thrust mechanism comprises spring block 5 and spring 14, described tween drive shaft 12 passes spring block 5, and have spring eye 12-1 on the tween drive shaft 12, spring 14 is installed in the spring eye 12-1, one end of spring 14 is against on the spring block 5, and the other end is against on the tween drive shaft 12.

In order to make rolling body 9 in rolling process, be close to the curved profile 7-1 of slide core 7, can realize by following structure, as shown in Figure 2, the lower end of S. A. 11 is set with outer ring 16, grabs to cover to be provided with the elastic element 13 that makes rolling body 9 be close to curved profile 7-1 between pawl 8 and the outer ring 16.

Power drive can be realized the power transmission to S. A. by following structure, as shown in Figure 1, power drive comprises the initiative drive shaft 1 that can be rotated to support on the casing 4 and the driven gear 3 that is sleeved on the driving gear 2 on the initiative drive shaft 1 and is sleeved on the S. A. upper end, driving gear 2 and driven gear 3 engagements.

Principle of work of the present utility model is as follows:

Initiative drive shaft 1 is given driving gear 2 with transmission of power, driving gear 2 is given driven gear 3 with transmission of power, 11 rotations of driven gear 3 driven rotary axles, grab and cover just and then rotation of pawl 8, simultaneously, when cylinder moves downward sliding bar 6 to drive slide core 7 to be done to move downward, the cylindrical of rolling body 9 can be done curvilinear motion along the curved profile 7-1 of slide core 7, cover pawl 8 by open configuration closure slowly thereby realize grabbing, when cylinder makes sliding bar 6 upward movements drive slide core 7 do upward movement, the cylindrical of rolling body 9 can be done curvilinear motion along the curved profile 7-1 of slide core 7, thereby realizing grabbing covers pawl 8 and is slowly opened by closure state, has so just finished whole spiral cover operation.

Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. cap rotating device, comprise casing (4), some grabbing covered pawl (8), sliding bar (6) and the power drive that can be rotated to support on the S. A. (11) on the casing (4) and drive S. A. (11) rotation, sliding bar (6) can be installed in the S. A. (11) with moving axially, it is characterized in that: also comprise making and grab the spiral cover open-and-close mechanism that covers pawl (8) folding, grab and cover the lower end that pawl (8) is hinged on S. A. (11), some rolling bodys (9) that the spiral cover open-and-close mechanism comprises the slide core (7) that is provided with curved profile (7-1) and is close to curved profile (7-1) and can rolls at curved profile (7-1), slide core (7) is rotatably installed in the lower end of sliding bar (6), and each rolling body (9) is arranged on corresponding grabbing and covers on the pawl (8).

2. cap rotating device according to claim 1 is characterized in that: be fitted with tween drive shaft (12) in the described sliding bar (6), fixedly there is the bottle cap mouth that makes bottle cap the lower end of tween drive shaft (12) towards the directed piece (10) of unanimity.

3. cap rotating device according to claim 2, it is characterized in that: be provided with the elastic thrust mechanism that makes directed piece (10) be close to bottle cap between described tween drive shaft (12) and the casing (4), this elastic thrust mechanism comprises spring block (5) and spring (14), described tween drive shaft (12) passes spring block (5), and have spring eye (12-1) on the tween drive shaft (12), spring (14) is installed in the spring eye (12-1), one end of spring (14) is against on the spring block (5), and the other end is against on the tween drive shaft (12).

4. according to claim 1 or 2 or 3 described cap rotating devices, it is characterized in that: the lower end of described S. A. (11) is set with outer ring (16), described grab to cover be provided with the elastic element (13) that makes rolling body (9) be close to curved profile (7-1) between pawl (8) and outer ring (16).

5. according to claim 1 or 2 or 3 described cap rotating devices, it is characterized in that: the driven gear (3) that described power drive comprises the initiative drive shaft (1) that can be rotated to support on the casing (4) and is sleeved on the driving gear (2) on the initiative drive shaft (1) and is sleeved on the S. A. upper end, driving gear (2) and driven gear (3) engagement.