CN110052717B

CN110052717B - Tracking type dynamic bottle cap marking device

Info

Publication number: CN110052717B
Application number: CN201910322073.5A
Authority: CN
Inventors: 陈单; 王巍植
Original assignee: Demark Changxing Injection System Co ltd
Current assignee: Demark Changxing Injection System Co ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2021-03-23
Anticipated expiration: 2039-04-22
Also published as: CN110052717A

Abstract

The invention provides tracking type dynamic bottle cap marking equipment which comprises a support, a marking device, a rotating device and a feeding device, wherein the marking device comprises a feeding device and a feeding device; the rotating device comprises a rotating component and an output component; the feeding device is arranged on the bracket in a sliding manner and comprises an interval pushing assembly and a tracking assembly, and the interval pushing assembly is arranged in a linkage manner with one end of the rotating assembly; through setting up feed arrangement and slewer, feed arrangement carries out the bottle lid that beats the sign indicating number on the bottle lid locating part that upwards promotes to slewer on, and keep the state of tracking with slewer at the in-process of upwards promoting, slewer is driving the bottle lid that is located on the bottle lid locating part and is carrying out the rotary transportation and beat mark the mark in mark device department and realize automatic outside output, need artifically carry out the linearity with the bottle lid and arrange among the prior art having solved, the technical problem that the feeding effect is poor that the bottle lid caused with the rotary transportation device is asynchronous when wasting time and energy technical problem has been solved.

Description

Tracking type dynamic bottle cap marking device

Technical Field

The invention relates to the technical field of bottle cap processing, in particular to tracking type dynamic bottle cap marking equipment.

Background

In the current beverage market, the anti-counterfeiting and promotion are generally carried out by printing digital codes, character codes or simple patterns on the beverage bottle cover, the actual operability is poor, and the establishment of a traceable system cannot be realized. The technology of the prior similar equipment adopts the processes of ink code spraying, printing, labeling, gold stamping and the like to realize the process of marking or printing the label on the outer surface or the inner surface of the beverage bottle cap.

The ink-jet printed pattern and the two-dimensional code cannot be in direct contact with food and are easy to fall off. The problem of printing ink pollution also exists in the printing, and the two-dimensional code can not realize dynamic variable printing, namely, one cover can not be realized. Labeling is also difficult to realize variable two-dimensional code application, labels can fall off, the production speed is limited, and the cost of manufacturing consumables is higher. The gold stamping two-dimensional code process is more complex, the production speed is severely restricted, and high-speed production cannot be realized. There is no automatic two-dimensional code detection function. These are all very difficult problems restricting the beverage industry to realize means such as traceability, anti-counterfeiting and promotion.

Chinese patent No. CN201620534593.4 discloses a dynamic bottle cap alignment marking system, which comprises a storage unit, a lifting unit, a pneumatic conveying unit, a marking unit and a distributing unit, which are connected in sequence; the code carving unit comprises a bottle cap clamping and conveying device, a first bottle cap conveying device, a second bottle cap conveying device, two marking lasers and a rack, wherein the bottle cap clamping and conveying device, the two bottle cap conveying devices and the two marking lasers are respectively arranged on the rack; the input end of the first bottle cap conveying device is connected with the air supply unit, and the output end of the second bottle cap conveying device is connected with the material distribution unit. The marking and coding device has the advantages of simple and novel structure, reasonable design, stable quality and high production efficiency, and realizes double-sided symmetrical and synchronous marking and coding.

Above-mentioned mechanism has a lot of not enoughly, and this marking system need the manual work to carry out the laser marking again after the bottle lid is linearly arranged in the linear transportation of arranging of carrying out the bottle lid, wastes time and energy.

Disclosure of Invention

The invention provides tracking type dynamic bottle cap marking equipment aiming at the defects of the prior art, through arranging a feeding device and a rotating device, the feeding device pushes a bottle cap to be marked upwards to a bottle cap limiting piece on the rotating device, and the state of tracking with the rotating device is kept in the process of upward pushing, the rotating device drives the bottle cap positioned on the bottle cap limiting part to carry out rotating transportation, the bottle cap continues to rotate to the output assembly after marking treatment is carried out at the marking device, automatic outward output of the bottle cap after marking is finished is realized, and full-automatic production of the bottle cap from feeding, marking to automatic output is realized, need artifically carry out radium-shine mark again after arranging the bottle lid linearly among the prior art having solved, the technical problem that the material loading effect is poor that the bottle lid caused with the rotary transportation device is asynchronous at the material loading in-process has been solved in the technical problem that wastes time and energy.

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

the utility model provides a tracking formula developments bottle lid marking device, includes support and beats the mark device, still includes:

the rotating device is arranged at two ends of the support in the length direction in a rotating mode and comprises a rotating assembly and an output assembly arranged above the rotating assembly, the rotating assembly transports bottle caps needing marking in a rotating mode, and the bottle caps enter the output assembly to be output after being marked at the marking device in the transporting process; and

the feeding device is arranged on the support in a sliding mode and comprises an interval material pushing assembly arranged in the height direction of the support in a sliding mode and a tracking assembly arranged in the length direction of the interval material pushing assembly in a sliding mode, the interval material pushing assembly and one end of the rotating assembly are arranged in a linkage mode, and the tracking assembly and the rotating assembly correspondingly move back and forth in a tracking mode.

As an improvement, the swivel assembly comprises:

the two groups of rotating rollers are symmetrically arranged along the length direction of the support and are rotatably arranged on the support;

the rotating belt is sleeved on the two groups of rotating rollers, and the rotating belts are driven to rotate in the rotating process of the two groups of rotating rollers;

the bottle cap limiting pieces are rotatably arranged on the surface of the rotating belt at intervals, and the bottle cap limiting pieces are discontinuously arranged corresponding to the bottle caps in the feeding process;

the screwing rack is fixedly arranged on the support, the screwing rack is located below the rotating belt, and the screwing rack and the bottle cap limiting part are arranged in a discontinuous meshing mode.

As an improvement, the cap retainer comprises:

the gear is rotationally arranged on the surface of the rotating belt and is in discontinuous meshing with the screwing rack;

the screwing port and the gear are fixedly and coaxially arranged, and screwing threads matched with the bottle cap are arranged on the screwing port.

As an improvement, the swivel assembly further comprises:

the driving half-tooth is rotationally arranged at one end of the bracket and is coaxially and fixedly arranged with one group of rotating rollers;

and one end of the driving rack is fixedly arranged at one end of the interval pushing assembly, and the driving rack is meshed with the driving half teeth.

As an improvement, the output assembly comprises:

the releasing rack is fixedly arranged on the bracket, is positioned above the rotating belt and is in discontinuous meshing with the gear;

the limiting rail is fixedly arranged on the support and is positioned above the rotary assembly, the limiting rail is matched with the screwing port, and the screwing port which rotates on the rotary assembly enters the limiting rail.

As an improvement, the limiting track is made of flexible materials, and the relation between the width W of the limiting track and the diameter D1 of the bottle cap meets, wherein W is less than D1.

As an improvement, the interval pushing assembly comprises:

the material pushing frame is arranged above the height direction of the support in a sliding mode, and one end of the material pushing frame is fixedly connected with the driving rack;

the two ends of the reset springs are respectively fixedly connected with the material pushing frame and the support, and the reset springs are uniformly distributed along the length direction of the support.

As an improvement, the tracking component comprises:

the tracking driving piece is fixedly arranged on one end of the material pushing frame;

a plurality of bottle cap feeding tracks;

the pushing cylinders are arranged in the length direction of the support in a sliding mode, are hollow inside, are arranged at the upper ends corresponding to the rotating assemblies, and are provided with feed inlets communicated with the bottle cap feeding rails in the middle;

the material pushing device comprises a plurality of material pushing rods, wherein the material pushing rods are arranged in the material pushing cylinder in a sliding mode in the height direction, the material pushing rods are arranged on the material pushing frame in a sliding mode in the length direction, and the tracking driving piece enables the material pushing cylinder and the discharge port to keep synchronous tracking with the bottle cap limiting part in an electric control mode.

As an improvement, the lower end of the feeding hole is provided with a limiting step along the inner wall of the material pushing barrel, the middle of the limiting step is arranged in a hollow mode, the relation between the diameter D of the hollow part of the limiting step and the diameter D of the material pushing rod is satisfied, and D is larger than D.

As an improvement, the marking device is arranged at one end of the length direction of the rotary device, and the bottle cap limited on the rotary component passes through the marking device in the rotary motion process and is marked.

The invention has the beneficial effects that:

(1) compared with the traditional bottle cap marking equipment, the feeding device and the rotating device are arranged, the feeding device pushes a bottle cap to be marked upwards to the bottle cap limiting part on the rotating device, and keeps a state of tracking with the rotating device in the upward pushing process, the rotating device drives the bottle cap on the bottle cap limiting part to carry out rotating transportation, and the bottle cap continues to rotate to the output assembly after being marked on the marking device, so that automatic outward output of the bottle cap after marking is finished is realized, and full-automatic production of the bottle cap from feeding and marking to automatic output is realized;

(2) compared with the traditional bottle cap marking equipment, the rotary component and the spaced pushing component are arranged in a linkage manner, and the rotary component synchronously drives the spaced pushing component to push the bottle cap upwards for one unit when performing forward rotary motion for one unit, so that on one hand, power is saved, and on the other hand, the pushing and rotating matching precision of the bottle cap is higher;

(3) compared with the traditional bottle cap marking equipment, the bottle cap which is transported on the rotary component and marked enters the output device through the output component, automatic blanking is realized under further rotary motion by means of clamping force, and meanwhile, the bottle cap is output outwards by continuous rotary blanking, so that automatic output of the bottle cap is realized;

(4) compared with the traditional bottle cap marking equipment, the bottle cap marking equipment has the advantages that the tracking assembly is arranged, when the interval pushing assembly pushes the bottle cap to the rotating assembly, the tracking assembly synchronously drives the interval pushing assembly to keep synchronous movement with the rotating assembly, and the effect of feeding the bottle cap to the rotating assembly is better.

In a word, the bottle cap coding device has the advantages of simple structure, high coding quality, high coding precision and the like, and is particularly suitable for the technical field of bottle cap processing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an elevational view of the overall construction of the present invention;

FIG. 3 is a schematic view of a rotating assembly according to the present invention;

FIG. 4 is a front view of the swivel assembly of the present invention;

FIG. 5 is a schematic view of a cap limiting member according to the present invention;

FIG. 6 is an enlarged schematic view at A in FIG. 3;

FIG. 7 is a schematic view of the structure of a feeding device in the present invention;

FIG. 8 is a front view of the feeding device of the present invention;

FIG. 9 is a top view of the feed device of the present invention;

FIG. 10 is a schematic view of the structure of the spacer pushing assembly of the present invention;

FIG. 11 is a schematic diagram of a tracking assembly of the present invention;

FIG. 12 is a schematic diagram of the operation of the tracking assembly of the present invention;

FIG. 13 is a schematic cut-away view of a feed inlet of the present invention.

Detailed Description

The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.

Example one

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 and 2, a tracking type dynamic bottle cap marking device includes a support 1 and a marking device 2, and further includes:

the rotating device 3 is arranged at two ends of the support 1 in the length direction in a rotating mode, the rotating device 3 comprises a rotating component 31 and an output component 32 arranged above the rotating component 31, the rotating component 31 transports the bottle caps 10 to be marked in a rotating mode, and the bottle caps enter the output component 32 to be output after being marked at the marking device 2 in the transporting process; and

the feeding device 4 is arranged on the support 1 in a sliding mode, the feeding device 4 comprises an interval pushing assembly 41 arranged in the height direction of the support 1 in a sliding mode and a tracking assembly 42 arranged in the length direction of the interval pushing assembly 41 in a sliding mode, the interval pushing assembly 41 and one end of the rotating assembly 31 are arranged in a linkage mode, and the tracking assembly 42 and the rotating assembly 31 correspondingly move back and forth in a tracking mode.

It should be noted that, after production, the bottle caps 10 to be marked enter the bottle cap feeding track 422, are automatically linearly arranged and then are conveyed to the material pushing barrel 423, meanwhile, the spaced material pushing assembly 41 is synchronously driven to push materials upwards in the process of the rotation movement of the rotation assembly 31, the spaced material pushing assembly 41 pushes the bottle caps 10 to the rotation assembly 31 and realizes that the bottle caps 10 are screwed on the rotation assembly 31, meanwhile, in the process of the spaced material pushing assembly 41 pushing the bottle caps 10 in the material pushing barrel 423 upwards, the tracking driving member 421 is driven to make the material pushing barrel 423 and the rotation assembly 31 synchronously move, the bottle caps 10 are screwed on the rotation assembly 31 in the process of the synchronous movement, the bottle caps 10 screwed on the rotation assembly 42 are conveyed to the marking device 2 under the rotation movement of the rotation assembly 31 to be marked by laser, and continue to rotate by the rotation assembly 31 and then enter the output assembly 32 after marking is completed, and the marked bottle cap 10 is stopped on the output assembly 32 under the continuous rotary motion, the outward output of the bottle cap 10 is realized under the further rotary motion, and the integration of linear arrangement, marking and finished product output of the bottle cap 10 is realized.

Further, as shown in fig. 3 and 4, the swivel assembly 31 includes:

the two groups of rotating rollers 311 are symmetrically arranged along the length direction of the bracket 1, and the rotating rollers 311 are rotatably arranged on the bracket 1;

the rotating belt 312 is sleeved on the two groups of rotating rollers 311, and the rotating belt 312 is driven to rotate in the rotating process of the two groups of rotating rollers 311;

the bottle cap limiting pieces 313 are arranged on the surface of the rotating belt 312 in a rotating mode at intervals, and the bottle cap limiting pieces 313 are arranged corresponding to the bottle caps 10 in the feeding process in an interrupted mode;

the screwing rack 314 is fixedly arranged on the bracket 1, the screwing rack 314 is positioned below the rotating belt 312, and the screwing rack 314 is intermittently meshed with the bottle cap limiting part 313.

Further, as shown in fig. 3, 4 and 5, the cap stopper 313 includes:

a gear 3131, wherein the gear 3131 is rotatably disposed on a surface of the rotating belt 312, and the gear 3131 is intermittently engaged with the tightening rack 314;

a screwing port 3132, the screwing port 3132 and the gear 3131 are fixed and coaxially arranged, and the screwing port 3132 is provided with screwing threads matched with the bottle cap 10.

Further, as shown in fig. 2, the swiveling component 31 further includes:

the driving half-tooth 315 is rotationally arranged at one end of the bracket 1, and the driving half-tooth 315 is coaxially and fixedly arranged with one group of rotating rollers 311;

one end of the driving rack 316 is fixedly arranged at one end of the spaced pushing assembly 41, and the driving rack 316 is engaged with the driving half-gear 315.

It should be noted that, the rotation assembly 31 is rotated by the driving half-tooth 315 during the rotation movement, when a toothed portion of the driving half-tooth 315 is engaged with the driving rack 316, the rotation assembly 31 drives the driving rack 316 to move upwards during the rotation, and synchronously drives the material pushing rod 424 fixedly connected with the driving rack 316 to move upwards, and at the same time, the bottle cap 10 in the material pushing barrel 423 is screwed to the bottle cap limiting member 313 on the rotation assembly 42 for limiting, and when a non-toothed portion of the driving half-tooth 315 is in contact with the driving rack 316, the driving rack 316 automatically resets due to the elastic resetting effect of the return spring 412.

Further, as shown in fig. 1 and 2, the output assembly 32 includes:

a release rack 321, wherein the release rack 321 is fixedly arranged on the bracket 1, the release rack 321 is positioned above the rotating belt 312, and the release rack 321 is intermittently meshed with the gear 3131;

a limit rail 322, the limit rail 322 is fixedly disposed on the bracket 1, the limit rail 322 is located above the rotation component 31, the limit rail 322 is disposed in a manner of being matched with the screwing port 3132, and the screwing port 3132 rotated on the rotation component 31 enters the limit rail 322.

It should be noted that, when the rotation assembly 31 performs a rotation motion to drive the bottle cap 10 to rotate to the marking device 2 for laser marking, and then continues to perform a rotation motion to the output assembly 32, and at the same time, the gear 3131 on the bottle cap position-limiting member 313 is engaged with the release rack 321, so that the bottle cap position-limiting member 313 releases the marked bottle cap 10.

It should be further noted that when the rotation assembly 31 drives the bottle caps 10 into the output assembly 32, the bottle caps 10 first enter the limiting rails 322, the limiting rails 322 are made of a flexible material, so that the bottle caps 10 are clamped by the limiting rails 322, and after the gear 3131 on the cap limiting part 313 is engaged with the releasing rack 321 under the action of the clamping force, the gear 3131 is reversed to release the bottle caps 10 on the limiting rails 322, and meanwhile, the bottle caps 10 released on the limiting rails 322 are extruded by the bottle caps 10 on the next station and then output outwards, and the bottle caps 10 arranged in series are output outwards one by one.

Further, as shown in fig. 1 and 2, the stopper rail 322 is made of a flexible material, and a relation between a width W of the stopper rail 322 and a diameter D1 of the bottle cap 10 is satisfied, where W < D1.

Further, as shown in fig. 7, 8, 9 and 10, the spacer pusher assembly 41 includes:

the material pushing frame 411 is arranged above the height direction of the support 1 in a sliding mode, and one end of the material pushing frame 411 is fixedly connected with the driving rack 316;

two ends of the return spring 412 are respectively fixedly connected with the material pushing frame 411 and the support 1, and the return springs 412 are uniformly distributed along the length direction of the support 1.

It should be noted that a sliding strip 4110 is disposed at a sliding connection between the pushing frame 411 and the pushing rod 424, the bottom of the pushing rod 424 is slidably fitted on the pushing frame 411, a sliding strip 4110 is disposed at a sliding connection between the support 1 and the pushing cylinder 423, and the bottom of the pushing cylinder 423 is slidably fitted on the support 1.

Further, as shown in fig. 7, 11 and 12, the tracking component 42 includes:

the tracking driving member 421 is fixedly arranged at one end of the material pushing frame 411;

a plurality of bottle cap feed rails 422;

the plurality of material pushing cylinders 423 are arranged in the length direction of the support 1 in a sliding manner, the material pushing cylinders 423 are arranged in a hollow manner, the upper ends of the material pushing cylinders 423 are arranged corresponding to the rotary component 31, and the middle parts of the material pushing cylinders 423 are provided with feed inlets 4221 communicated with the bottle cap feeding rails 422;

the material pushing rods 424 are arranged in the material pushing cylinder 423 in a sliding mode in the height direction, the material pushing rods 424 are arranged on the material pushing frame 411 in a sliding mode in the length direction, and the tracking driving piece 421 enables the material pushing cylinder 423 and the material outlet and the bottle cap limiting piece 313 to keep synchronous tracking in an electric control mode.

It should be noted that a plurality of caps 10 arranged in series are arranged in series at the cap feeding track 422 and sequentially transferred into the pushing cylinder 423, and it should be mentioned that when the caps 10 are transferred in the cap feeding track 422, the caps 10 located at the front end enter the feeding port 4221 in the pushing cylinder 423 and are limited at the limiting step 4231, so that the caps 10 do not move downwards along the pushing cylinder 423 due to the action of gravity, and meanwhile, the pushing rod 424 slidably disposed in the pushing cylinder 423 can eject the caps 10 located on the limiting step 4231 towards the rotating assembly 31 along the hollow of the limiting step 4231.

It should be further noted that, when the bottle cap 10 is ejected out of the rotating assembly 31, the rotating assembly 31 is matched with the bottle cap limiting part 313 by the screwing rack 314 under further rotating motion, so that the bottle cap limiting part 313 limits the bottle cap 10, and drives the bottle cap 10 to move forward synchronously and perform marking processing at the marking device 2, where it is worth mentioning that the pushing force of the pushing rod 424 pushing the bottle cap 10 upwards in the pushing cylinder 423 comes from the rotating power of the rotating assembly 31 during rotating.

Further, as shown in fig. 13, a limit step 4231 is arranged on the lower end of the feed inlet 4221 along the inner wall of the pushing cylinder 423, the middle of the limit step 4231 is hollow, and the relationship between the diameter D of the hollow part of the limit step 4231 and the diameter D of the pushing rod 424 satisfies that D is larger than D.

Further, as shown in fig. 1 and 2, the marking device 2 is disposed at one end of the length direction of the rotating device 3, and the bottle cap 10 limited on the rotating assembly 31 passes through the marking device 2 during the rotating motion and is marked.

The working process is as follows:

as shown in fig. 1, after production, a bottle cap 10 to be marked enters a bottle cap feeding track 422, is automatically linearly arranged and then is conveyed to a material pushing barrel 423, meanwhile, in the process of performing rotary motion on a rotary component 31, an interval material pushing component 41 is synchronously driven to perform upward material pushing, the interval material pushing component 41 pushes the bottle cap 10 onto the rotary component 31 and realizes that the bottle cap 10 is screwed on the rotary component 31, meanwhile, in the process of performing upward pushing on the bottle cap 10 in the material pushing barrel 423 by the interval material pushing component 41, a tracking driving component 421 is driven to make the material pushing barrel 423 keep synchronously moving with the rotary component 31, the bottle cap 10 is screwed on the rotary component 31 in the process of synchronous motion, the bottle cap 10 screwed on the rotary component 42 is conveyed to a marking device 2 under the rotary motion of the rotary component 31 to perform laser marking, after marking is completed, the rotary component 31 continuously rotates and then enters an output component 32, and the marked bottle cap 10 is stopped on the output assembly 32 under the condition of continuous rotary motion, and the outward output of the bottle cap 10 is realized under the condition of further rotary motion.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description of the disclosed embodiments is provided to enable those skilled in the art to make various changes, substitutions of equivalents and modifications to the features and embodiments without departing from the spirit and scope of the present invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a dynamic bottle lid marking device of tracking formula, includes support (1) and beats mark device (2), its characterized in that still includes:

the rotating device (3) is arranged at two ends of the support (1) in the length direction in a rotating mode, the rotating device (3) comprises a rotating assembly (31) and an output assembly (32) arranged above the rotating assembly (31), the rotating assembly (31) conveys the bottle caps (10) to be marked in a rotating mode, and the bottle caps enter the output assembly (32) to be output after being marked at the marking device (2) in the conveying process; and

the feeding device (4) is arranged on the support (1) in a sliding mode, the feeding device (4) comprises an interval pushing assembly (41) arranged on the support (1) in the height direction in a sliding mode and a tracking assembly (42) arranged on the interval pushing assembly (41) in the length direction in a sliding mode, the interval pushing assembly (41) is arranged in a linkage mode with one end of the rotary assembly (31), and the tracking assembly (42) and the rotary assembly (31) correspondingly move back and forth in a tracking mode;

the swivel assembly (31) comprises:

the two groups of rotating rollers (311) are symmetrically arranged along the length direction of the support (1), and the rotating rollers (311) are rotatably arranged on the support (1);

the rotating belt (312) is sleeved on the two groups of rotating rollers (311), and the rotating belt (312) is driven to rotate in the rotating process of the two groups of rotating rollers (311);

the bottle cap limiting pieces (313), the bottle cap limiting pieces (313) are arranged on the surface of the rotating belt (312) in a rotating mode at intervals, and the bottle cap limiting pieces (313) are arranged corresponding to the bottle caps (10) in the feeding process in an interrupted mode;

the screwing rack (314) is fixedly arranged on the bracket (1), the screwing rack (314) is positioned below the rotating belt (312), and the screwing rack (314) is in discontinuous meshing with the bottle cap limiting piece (313);

the swivel assembly (31) further comprises:

the driving half-tooth (315), the driving half-tooth (315) is rotatably arranged at one end of the bracket (1), and the driving half-tooth (315) and one group of rotating rollers (311) are coaxially and fixedly arranged;

one end of the driving rack (316) is fixedly arranged at one end of the interval pushing assembly (41), and the driving rack (316) is meshed with the driving half-teeth (315).

2. The tracking dynamic bottle cap marking device as defined in claim 1 wherein the cap limiter (313) comprises:

a gear (3131), wherein the gear (3131) is rotatably arranged on the surface of the rotating belt (312), and the gear (3131) is intermittently meshed with the tightening rack (314);

the tightening opening (3132) is fixed and coaxially arranged with the gear (3131), and a tightening thread matched with the bottle cap (10) is arranged on the tightening opening (3132).

3. The tracking dynamic bottle cap marking device as defined in claim 2 wherein the output assembly (32) comprises:

the releasing rack (321), the releasing rack (321) is fixedly arranged on the bracket (1), the releasing rack (321) is positioned above the rotating belt (312), and the releasing rack (321) is in intermittent meshing with the gear (3131);

the limiting track (322) is fixedly arranged on the support (1), the limiting track (322) is located above the rotating assembly (31), the limiting track (322) and the screwing port (3132) are matched and arranged, and the screwing port (3132) which rotates on the rotating assembly (31) enters the limiting track (322).

4. The tracking dynamic bottle cap marking device as claimed in claim 3, wherein the check rail (322) is made of a flexible material, and the relation between the width W of the check rail (322) and the diameter D1 of the bottle cap (10) is satisfied, wherein W < D1.

5. The tracking dynamic bottle cap marking device according to claim 1, wherein the spacer pusher assembly (41) comprises:

the material pushing frame (411) is arranged above the support (1) in the height direction in a sliding mode, and one end of the material pushing frame (411) is fixedly connected with the driving rack (316);

the two ends of the reset springs (412) are respectively fixedly connected with the material pushing frame (411) and the support (1), and the reset springs (412) are uniformly distributed along the length direction of the support (1).

6. The tracking dynamic bottle cap marking device as defined in claim 5 wherein the tracking assembly (42) comprises:

the tracking driving part (421), the tracking driving part (421) is fixedly arranged on one end of the material pushing frame (411);

a plurality of bottle cap feed rails (422);

the material pushing cylinders (423) are arranged in the length direction of the support (1) in a sliding mode, the material pushing cylinders (423) are arranged in a hollow mode, the upper ends of the material pushing cylinders (423) are arranged corresponding to the rotary component (31), and the middle of each material pushing cylinder (423) is provided with a feeding hole (4221) communicated with the bottle cap feeding rail (422);

the material pushing device comprises a plurality of material pushing rods (424), wherein the material pushing rods (424) are arranged in the material pushing cylinder (423) in a sliding mode in the height direction, the material pushing rods (424) are arranged on the material pushing frame (411) in a sliding mode in the length direction, and the tracking driving piece (421) enables the material pushing cylinder (423) and the discharge hole and the bottle cap limiting piece (313) to keep synchronous tracking in an electric control mode.

7. The tracking type dynamic bottle cap marking device as claimed in claim 6, wherein a limiting step (4231) is arranged on the inner wall of the lower end of the feeding port (4221) along the charging barrel (423), the middle of the limiting step (4231) is hollow, and the relation between the diameter D of the hollow part of the limiting step (4231) and the diameter D of the charging rod (424) is satisfied, wherein D is larger than D.

8. The tracking type dynamic bottle cap marking device as claimed in claim 1, wherein the marking device (2) is arranged at one end of the length direction of the rotating device (3), and a bottle cap (10) limited on the rotating assembly (31) passes through the marking device (2) in the process of rotating motion and is marked.