CN208603678U - Cap rotating device and sealing machine head - Google Patents

Abstract

The utility model discloses a kind of cap rotating devices, comprising: main guiding part provides vertical leading hole；Guide rod is guided on the leading hole, and is equipped with the helicla flute for having given helix angle on surface, and the lower end of the guide rod is equipped with secondary guiding part, which provides vertical guiding；Jacking block is guided on secondary guiding part, and lower end is for pressing bottle cap；Clamp assembly is installed on secondary guiding part, and the moved end of making of the clamp assembly engages or connect with jacking block, which clamps bottle cap side at the top dead centre position on guide rod；Wherein, helicla flute and main guiding part cooperatively form screw thread pair；Or the static determinacy component that screw thread pair is cooperatively formed with helicla flute is provided on main guiding part or the component opposing stationary with main guiding part.According to the cap rotating device of the utility model, a kind of sealing machine head equipped with aforementioned cap rotating device is additionally provided.Before embossing wheel or sealing wheel work, first bottle cap can be screwed on corresponding bottleneck.

Description

Cap rotating device and sealing machine head

Technical field

The utility model relates to a kind of cap rotating device for container closure, the utility model further relates to one kind and has the rotation The sealing machine head of lid arrangement.

Background technique

Such as Chinese patent literature CN106006509A, the basic principle is that current relatively common sealing machine mechanism principle, In general, sealing machine head belongs to up-down structure comprising one has the pressure head of given stroke, and pressure head pushes bottle cap, with Bottle cap is set to be locked on bottleneck, then the given position of embossing wheel and sealing wheel rolling bottle cap, completes encapsulation, and sealing machine head is multiple Position.

For bottle cap, some bottle caps do not have screw thread, and some bottle caps have screw thread, for not having threaded bottle cap, can be used The claimed sealing machine head direct sealing such as Chinese patent literature CN106006509A, but for threaded bottle cap, In some implementations, it needs first to screw bottle cap on bottleneck, is then embossed or sealed again, use two sets of equipment, work It is relatively low to make efficiency.

Chinese patent literature CN203877877U then discloses a kind of special rotary lid mechanism, has a folder lid machine Structure, the collet in the folder lid mechanism do not rotate, and realize by the rotation of bottle and realize bottle cap with the relative rotation of folder lid mechanism With screwing for whorl of bottleneck.Since bottle is fed continuously in the production line, to rotate bottle, it is equivalent in production line The setting of some station be suitable for the mechanism of single bottle rotation, the difficulty of whole installation is relatively high.And in the patent document Rotary lid mechanism cannot achieve embossing and sealing.

Summary of the invention

The utility model is directed to current threaded bottle cap, provides a kind of before embossing wheel or sealing wheel work, Neng Gouxian Bottle cap is screwed the cap rotating device on corresponding bottleneck, the utility model further relates to a kind of sealing machine head.

According to the embodiments of the present invention, a kind of cap rotating device is provided, comprising:

Main guiding part provides vertical leading hole；

Guide rod is guided on the leading hole, and is equipped with the helicla flute for having given helix angle on surface, under the guide rod End is equipped with secondary guiding part, which provides vertical guiding；

Jacking block is guided on secondary guiding part, and lower end is for pressing bottle cap；

Clamp assembly is installed on secondary guiding part, and the moved end of making of the clamp assembly engages or connect, the clamping with jacking block Assembly clamps bottle cap side at the top dead centre position on guide rod；

Wherein, helicla flute and main guiding part cooperatively form screw thread pair；Or

It is provided on main guiding part or the component opposing stationary with main guiding part and cooperatively forms screw thread with helicla flute Secondary static determinacy component.

Above-mentioned cap rotating device, optionally, the part that guide rod exposes from the upper end in leading hole are equipped with restraining structure or component, To determine the downlink stop of guide rod.

Optionally, lateral pin hole is provided in the upper end of guide rod；

There is provided one with the pin hole cooperation alignment pin, alignment pin can from the exposing of the both ends part of pin hole It is supported on the upper end in leading hole.

Optionally, first compressed spring being sleeved on guide rod is provided, the upper end of first compressed spring is supported on master The lower end of guiding part, and the lower end of first compressed spring is supported on the collar or pair guiding part of lower end of the guide rod setting On.

Optionally, the lower part of guide rod is thicker than the middle and upper part of guide rod, wherein the lower part of guide rod constitutes the bullet of the first compressed spring Spring guide post.

Optionally, clamp assembly configuration includes at least two and not more than six are mounted on secondary guiding by horizontal hinged shaft Clamping limb on component, clamping limb are uniformly circumferentially distributed on secondary guiding part；

The upper end of clamping limb is connected with power arm, which presses in the upper end of jacking block.

Optionally, clamping limb has radial holding part, to be used for holding jacking block.

Optionally, the second compressed spring is equipped between the upper end of jacking block and the leader upper end of secondary guiding part.

Optionally, it is equipped with a set portion in the upper end of jacking block, which is used for the second compressed spring of accommodating of part.

Optionally, cushion is equipped in the part that clamping limb is contacted with bottle cap side.

According to the embodiments of the present invention, a kind of sealing machine head equipped with aforementioned cap rotating device is additionally provided, comprising:

Fixing seat, for the pedestal of the sealing machine head；

Outer tube is undertaken on the downside of fixing seat；

Fixing sleeve, lower end are equipped with the cap rotating device, and top is placed in the outer tube, and by under set by outer tube The constraint of whereabouts point restraining structure；

Lever dolly is mounted in the middle part of fixing sleeve, and for installing embossing wheel assembly and/or sealing wheel assembly.

According to the cap rotating device of the utility model embodiment, jacking block elder generation and bottle cap upper-end contact, and in the reaction of bottle cap Lower stopping downlink, the other parts of cap rotating device continue traveling downwardly, and configured clamp assembly and jacking block generate relative motion, actuation End is acted on by jacking block and generates pinching action, and clamps bottle cap, opposing stationary between clamp assembly and bottle cap, and then as spiral cover fills That sets continues traveling downwardly, and the guide rod for being installed with clamp assembly becomes rotary motion based on screw thread pair and by opposite up and down motion, from And clamp assembly is driven to screw on bottle cap.Since the setting of cap rotating device has no effect on embossing wheel assembly and seals the peace of wheel assembly Dress, therefore, on a sealing machine head, can satisfy spiral cover and sealing operation.

Detailed description of the invention

Fig. 1 is that cap rotating device master cuts open structural schematic diagram in an embodiment.

Fig. 2 is that spiral cover head master cuts open structural schematic diagram in an embodiment.

Fig. 3 is spiral cover head working state schematic representation.

In figure: 1. positioning and guiding sets, 2. alignment pins, 3. guide rods, 4. compressed springs, 5. helicla flutes, 6. guide posts, 7. compressions Spring, 8. grooves, 9. handles, 10. power arms, 11. jacking blocks, 12. axis pin bases, 13. pin shafts, 14. positioning screws, 15. cushions, 16. fixing seat, 17. screws, 18. nuts, 19. holding screws, 20. locking nuts, 21. adjusting silk braids, 22. compressed springs, 23. Connecting shaft, 24. locking nuts, 25. lever dollies, 26. lead a bottle disk column, and 27. lead a bottle disk, 28. sealing wheel assemblies, 29. thrusts Bearing, 30. connecting screws, 31. handgrip connecting shafts, 32. wear-resistant sleeves, 33. wear-resistant sleeves, 34. outer tubes.

Specific embodiment

In some implementations, for bottle as shown in Figure 3 when sealing to it, which is position in the up-down direction Fixed, sealing machine head has upper and lower movement, to realize that gland seals.

It is understood that for sealing machine head, fixing seat 16 as shown in Figure 2 is determined in the up-down direction One axis, the axis is when carrying out bottle seal and the axis of bottle has relatively high concentricity.

In general, on the basis of fixing seat 16, hereinafter, unless otherwise specified, radially, axially with it is circumferential with On the basis of the axis of fixing seat 16.

In addition, in radial direction, centrifugation side be it is outer, centripetal side is interior.

Structure shown in Fig. 2 is further changing to the claimed technical solution of Chinese patent literature CN106006509A Into main improvements are embodied on cap rotating device shown in FIG. 1, and rest part can be using such as Chinese patent literature Structure disclosed in CN106006509A.

About the cap rotating device, it is equivalent to that the pressure head being fixedly mounted on sealing machine head originally has been changed to can be Opposite lower upper movement is converted into a pressure head assembly of rotation, i.e. cap rotating device, accordingly it is found that cap rotating device replaces pressure head, Have no effect on the setting for for example embossing wheel assembly.

Specifically, visible in figure referring to Figure of description 1 comprising a positioning and guiding as pedestal covers 1, this is fixed Position guide sleeve 1 is used as main guiding part, for the guiding of guide rod 3 in the up-down direction in figure.

In Fig. 2, positioning and guiding set 1 is fixedly mounted on the lower end of lever dolly 25, thus be servo-actuated in lever dolly 25, and It is opposing stationary between lever dolly 25.

And as shown in figure 3, as can be seen from Fig. 3, bottleneck passes through the centre bore for leading bottle disk 27 and can contact first with jacking block 11, As previously mentioned, bottle is opposing stationary in the up-down direction, and sealing machine head then integrally moves down under the drive of fixing seat 16, top Block 11 is jacked up first, and when jacking block 11 touches the bottom of Fig. 1 axis pin base 12, first stroke terminates, and then guide rod 3 is connected to jacking block 11 together uplink, second stroke start, guide rod 3 is equipped with helicla flute 5, helicla flute 5 be located at positioning and guiding set 1 or sealing machine Keep on head with guide sleeve 1 helicitic texture being arranged on opposing stationary component or other be capable of forming the structure of screw thread pair The up and down motion of second stroke, is converted into the rotary motion of guide rod 3 by cooperation, and bottle cap is screwed on bottleneck.

Herein first basic exercise illustratively, be conducive to the description of following structures, from figure 2 it can be seen that position lead It is connect to set 1 with lever dolly 25, when 16 further downlink of fixing seat, second stroke terminates, guide rod 3 and 25 phase of lever dolly To static, start third stroke and is clearly described about third stroke in Chinese patent literature CN106006509A, Details are not described herein.

From the above description as it can be seen that the positioning and guiding set 1 as main guiding part provides vertical motion in second stroke The guiding of component, as it can be seen that positioning and guiding set 1 is denoted as leading pilot hole, guide rod 3 with the guide hole in up and down direction in Fig. 1 Cooperate with leading pilot hole, forms guide rod guide sleeve structure.

Positioning and guiding set 1 between lever dolly 25 can using being threadedly coupled, i.e. positioning and guiding set 1 with internal screw thread, and In structure as shown in Figure 2, the lower end center of lever dolly 25 has a protrusion, which can be set external screw thread, and By being threadedly coupled with screw-internal thread fit above-mentioned formation.

In Fig. 1, the connection between positioning and guiding set 1 and lever dolly 25 can also use flanged joint.

About guide rod 3, in the construction shown in fig. 1, merely structurally, may be considered the ladder of a multi-segmental Axis, and be pipe axis, i.e. hollow shaft, overall weight is relatively small.

In figure, 3 labeling positions of guide rod are most thin parts, are directed to part for constructing.Meanwhile it being set on guide rod 6 There is helicla flute 5, the helix angle of helicla flute 5 is more than or equal to 30 degree, and is less than or equal to 75 degree.

In Fig. 1, the diameter for being identified as the part of guide post 6 is greater than the diameter for being identified as the part of guide post 3, constructs in Fig. 1 For the spring guide pillar of compressed spring 4, to keep the stability of compressed spring 4.A diameter is then connected to more in the lower end of guide post 6 Big disk-shaped member, being equipped with multiple in the periphery of disk-shaped member with pin shaft 13 is the clamping limb of hinged shaft, and clamping limb is sagging, for example, by dynamic 10 actuation of the arm of force, and inwardly generate holding action, clamps bottle cap so as to elder generation, then again rotary bottle cover to meet tool The sealing operation of threaded bottle cap.

In the construction shown in fig. 1, the actuation power of clamping limb is from jacking block 11 shown in figure, as previously mentioned, top Block 11 can generate upper and lower relative motion with guide rod 3 with the upper-end contact of bottle cap first.The actuation of clamping limb is acted by jacking block 11 relative motion in above-below direction becomes the swing based on pin shaft 13 by transmission.

Driving form implement in the embodiment shown in fig. 1 it is fairly simple, in Fig. 1, power arm 10 and clamping limb phase When in being fixed hinged lever with pin shaft 13, when power arm 10 is pushed, clamping limb is then inwardly swung, so as to bottle cap It clamps.

Folder bottle cap stroke is expressed as first stroke in content above-mentioned, in the construction shown in fig. 1, under guide rod 3 There is an axis pin base 12 to be formed by assembly at end, and the top dead centre of first stroke vertical guide end as provided by the assembly is direct It determines, the part for providing first stroke stop position and guiding is denoted as secondary guiding part.Jacking block 11 is that the leader is guided, Guiding of the jacking block 11 on secondary guiding part and determine first stroke.

In fact, the top dead centre position of first stroke is very easy to determine in Fig. 1, guiding provided by secondary guiding part in figure Structure is substantially also guiding pore structure, and the still structure of similar counterbore, counterbore bottom surface can be used as constraining and generating top The top dead centre of block 11.

As previously mentioned, the power resources of first stroke, in jacking block 11, the power of second stroke also from jacking block 11, works as top After 11 downlink of block is prevented by bottle cap, the rest part of cap rotating device continues traveling downwardly generation first stroke, then generates second stroke, The rotary motion of guide rod 3 will be converted by moving up and down caused by second stroke, and a cunning is arranged on such as positioning and guiding set 1 Protrusion of the row on helicla flute 5, the up and down motion between guide rod 3 and positioning and guiding set 1 can be converted rotary motion.

Note is sliding block with the part that helicla flute 5 cooperates, it is to be understood that minimum about the helix angle of helicla flute 5 Helix angle depends on the coefficient of friction between helicla flute 5 and sliding block, meets the condition that pressure angle is greater than angle of friction in machinery field Under, above-mentioned move up and down directly can be converted into the rotary motion of guide rod 3.

For sliding block above-mentioned, it is to be understood that all may be used on any opposing stationary component on the path of helicla flute 5 With setting, it such as can be set on positioning and guiding set 1 as shown in Figure 1, also can be set in lever dolly 25 as shown in Figure 2 On, it is based on this, those skilled in the art goes to select suitable position according to the structure of Related product.

Stroke control of the guide rod 3 on positioning and guiding set 1 is relatively easy, is that it uses guide rod guide sleeve to cooperate, belongs to machine Tool field is easiest to the structure of control stroke, and in the construction shown in fig. 1, guide rod 3 is set from the part that the upper end in leading hole is exposed There is an alignment pin 2, correspondingly, lateral pin hole is needed out on guide rod 3.

The length of alignment pin 2 is greater than the diameter of guide rod 3, and when assembly, the both ends of alignment pin 2 are revealed from the both ends of pin hole Out, backing pin is constituted.Backing pin is supported on the step of the guide hole upper end of positioning and guiding set 1 at the lower dead center of second stroke position.

Backing pin structure is compact, in some implementations, such as round nut can be arranged in the upper end of guide rod 3 and lock Nut can play the positioning action as alignment pin, and nut can also be adjusted, to be adapted to different bottles Type.

The realization for mainly illustrating first stroke and second stroke in content above-mentioned, the reset for associated components, such as Shown in Fig. 1, such as guide rod 3, if the bearing force that jacking block 11 is held by bottle cap top releases, by self weight, guide rod 3 can reset.Together When, as previously mentioned, the cooperation of sliding block and helicla flute 5, pressure angle is greater than angle of friction, and the screw thread pair being adapted to does not have self-locking work With under the effect of gravity, guide rod 3 can reset.

In some embodiments, in order to improve reset capability and reset speed, a compression bullet being sleeved on guide rod 3 is provided Spring 4, as shown in Figure 1, the upper end of the compressed spring 4 is supported on the lower end of positioning and guiding set 1, and the lower end of the compressed spring 4 It is supported on the secondary guiding part of 3 lower end of guide rod setting, the Rapid reset of guide rod 3 is realized using the reset force of compressed spring 4.

In some embodiments, individual collar can be set corresponding to the lower end of compressed spring 4 in guide rod 3, to be used for The lower positioning of compressed spring 4.

Compressed spring 4 belongs to easy unstability component, for this purpose, the lower part of guide rod 3 is than in guide rod 3 in the construction shown in fig. 1 Top is thick, that thicker a part constitutes guide post 6 as shown in Figure 1, which constitutes the spring guide pillar of compressed spring 4.

About the quantity of clamping limb, two are included at least, and the more more parts that can reduce bottle cap in principle of quantity become Shape, but more more difficulty of setting in principle are bigger.

In addition, the joint surface about clamping limb can be using the column matched with bottle cap side that is, with the joint surface of bottle cap Face, if the central angle on single joint surface is not preferably greater than 150 degree more preferably greater than 60 degree, such as only with two clamping limbs When fruit clamping limb quantity is more, the central angle on joint surface can be relatively small.The sum of the central angle on all joint surfaces is less than 360 Degree.

In addition, the driving about clamping limb, proposes the structure using lever mechanism principle, one in content above-mentioned In a little embodiments, 11 side of jacking block can be set to the flank of tooth, can be structured as the flank profil with flank engagement in the root of clamping limb.

In some embodiments, the side of jacking block 11 can be structured as rubbing surface, using friction pulley principle, in power arm The driven friction pulley of root configurations.

In the construction shown in fig. 1, clamping limb has radial holding part, to be used for holding jacking block 11, it is possible to understand that It is that clamping limb is based on tectonic relationship identical with jacking block 11, and the movement between all clamping limbs is basic synchronization, it is therefore, whole Holding under the conditions of, jacking block 11 can keep higher concentricity with such as guide rod 3.

In addition, relative to first stroke, the is equipped between the upper end on 11 pieces of top and the leader upper end of secondary guiding part Two compressed springs, compressed spring 7 as shown in Figure 1, in first stroke, compressed spring 7 is compressed, when jacking block 11 resets When, compressed spring 7 provides additional reset force, so that it is reliable and quickly reset.

For the stability for keeping compressed spring 7, a set portion, the set portion inner cavity, such as Fig. 1 institute are equipped in the upper end of jacking block 11 The groove 8 shown, the accommodating compressed spring 7 for part.

In addition, as shown in Figure 1, essence is a tubular structure, pipe outer wall is guided on pair for determining the entity of groove 8 The inner hole of guiding part.

For being suitable for rolling the bottle cap of sealing, material is aluminium or the material with stronger plasticity mostly, is clamping bottle Gai Shi should make it keep higher circularity, and reduce rigid shock, for this purpose, in the part that clamping limb is contacted with bottle cap side Equipped with cushion 15.

In Fig. 1, cushion 15 is mounted on clamping limb by vertical positioning screw 14.

It is no longer superfluous herein referring to Chinese patent literature CN106006509A about the other parts structure of sealing machine head It states.

Claims (11)

1. a kind of cap rotating device characterized by comprising

Main guiding part provides vertical leading hole；

Guide rod is guided on the leading hole, and is equipped with the helicla flute for having given helix angle on surface, and the lower end of the guide rod is set There is secondary guiding part, which provides vertical guiding；

Jacking block is guided on secondary guiding part, and lower end is for pressing bottle cap；

Clamp assembly is installed on secondary guiding part, and the moved end of making of the clamp assembly engages or connect, the clamp assembly with jacking block Bottle cap side is clamped at the top dead centre position on guide rod；

Wherein, helicla flute and main guiding part cooperatively form screw thread pair；Or

It is provided on main guiding part or the component opposing stationary with main guiding part and cooperatively forms screw thread pair with helicla flute Static determinacy component.

2. cap rotating device according to claim 1, which is characterized in that guide rod is equipped with from the part that the upper end in leading hole is exposed Restraining structure or component, to determine the downlink stop of guide rod.

3. cap rotating device according to claim 2, which is characterized in that be provided with lateral pin hole in the upper end of guide rod；

The alignment pin of one with pin hole cooperation are provided, can be supported in alignment pin from the exposing of the both ends part of pin hole In the upper end in leading hole.

4. cap rotating device according to claim 2 or 3, which is characterized in that provide first compression being sleeved on guide rod Spring, the upper end of first compressed spring are supported on the lower end of main guiding part, and the lower end support of first compressed spring In the collar of lower end of the guide rod setting or secondary guiding part.

5. cap rotating device according to claim 4, which is characterized in that the lower part of guide rod is thicker than the middle and upper part of guide rod, wherein The lower part of guide rod constitutes the spring guide pillar of the first compressed spring.

6. cap rotating device according to claim 1, which is characterized in that clamp assembly configuration includes at least two and is not more than Six are mounted on the clamping limb on secondary guiding part by horizontal hinged shaft, and clamping limb is uniformly circumferentially distributed in secondary guiding part On；

The upper end of clamping limb is connected with power arm, which presses in the upper end of jacking block.

7. cap rotating device according to claim 6, which is characterized in that clamping limb has radial holding part, for holding in the palm Hold jacking block.

8. cap rotating device according to claim 7, which is characterized in that in the upper end of jacking block and the guidance part of secondary guiding part Divide between upper end equipped with the second compressed spring.

9. cap rotating device according to claim 8, which is characterized in that be equipped with a set portion, the set portion in the upper end of jacking block Inner cavity is used for the second compressed spring of accommodating of part.

10. according to any cap rotating device of claim 6 ~ 9, which is characterized in that contacted in clamping limb with bottle cap side Part is equipped with cushion.

11. sealing machine head of the one kind with the cap rotating device any just like claim 1 ~ 10 characterized by comprising

Fixing seat, for the pedestal of the sealing machine head；

Outer tube is undertaken on the downside of fixing seat；

Fixing sleeve, lower end is equipped with the cap rotating device, and top is placed in the outer tube, and by lower whereabouts set by outer tube The constraint of point restraining structure；

Lever dolly is mounted in the middle part of fixing sleeve, and for installing embossing wheel assembly and/or sealing wheel assembly.