CN218227003U

CN218227003U - Servo compensation mechanism of cross cutting machine cushion linear velocity

Info

Publication number: CN218227003U
Application number: CN202222731730.1U
Authority: CN
Inventors: 任强; 王桂青
Original assignee: Cangzhou Yun Xiang Carton Machinery Co ltd
Current assignee: Cangzhou Yun Xiang Carton Machinery Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-06
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to the technical field of accessories of die-cutting machines, in particular to a servo compensation mechanism for linear velocity of a rubber mat of a die-cutting machine; the rubber roller cushion has the advantages of simple structure and high transmission efficiency, improves the linear speed difference adjustment precision of the rubber roller cushion, prolongs the service life of the rubber cushion at the rubber cushion roller and effectively improves the die cutting precision; including the wallboard, the cushion roller, the pinion stand, initiative actuating mechanism and speed difference compensation actuating mechanism, pinion stand fixed mounting is on the wallboard, initiative actuating mechanism includes the cushion gear, interior tooth core, outer tooth core, the star frame gear, gear shaft and drive connecting piece, interior tooth core, outer tooth core and star frame gear all can rotate and install on the pinion stand, cushion gear and internal tooth core fixed connection, the gear shaft is rotatable to be installed on the star frame gear, first planetary gear and second planetary gear are installed respectively to the both ends of gear shaft, first planetary gear and internal tooth core meshing, second planetary gear and external tooth core meshing, speed difference compensation actuating mechanism provides power for the rotation of star frame gear.

Description

Servo compensation mechanism of cross cutting machine cushion linear velocity

Technical Field

The utility model relates to a technical field of the attached piece of cross cutting machine especially relates to a servo compensation mechanism of cross cutting machine cushion linear velocity.

Background

As is well known, the die cutting process is the most commonly used process for packaging printed matters, and is a forming process that a die cutting knife is combined into a die cutting plate according to patterns required by product design, and the printed matters or other ring-packed blanks are rolled and cut into required shapes or cutting marks under the action of pressure. The servo compensation mechanism of the linear velocity of the rubber mat of the die cutting machine is an auxiliary mechanism for compensating the linear velocity of a roller of the rubber mat of the die cutting machine; publication number CN200520046244.X discloses a round die cutting machine with a differential balance mechanism, which comprises a main transmission mechanism, a main machine paper feeding transmission mechanism, a cushion roller cushion repairing mechanism, a planetary phase adjusting mechanism, a template roller and a template roller position manual adjusting mechanism; the device also comprises a differential balance mechanism, wherein the differential balance mechanism comprises a rubber cushion roller gear and a differential harmonic mechanism connected with a rubber cushion roller gear; the differential harmonic mechanism comprises a harmonic generator, two differential internal gears and a flexible gear, wherein one of the differential internal gears is rigidly connected with the rubber pad roller gear wheel and rotates together, the other differential internal gear is connected with the rubber pad roller and rotates together, the harmonic generator is connected with the flexible gear, and the flexible gear is meshed with the two differential internal gears. The price of the differential balance mechanism is far lower than that of a foreign compensation mechanism, so that the cost performance of the whole equipment is more reasonable; in use, the structure is complex, the transmission efficiency is low, the speed difference adjustment precision needs to be further improved, the service life of the rubber pad on the rubber pad roller is short, and the die cutting precision needs to be further improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a simple structure, transmission efficiency is high, improves the poor adjustment precision of rubber roll pad linear speed, prolongs rubber pad roller department cushion life, effectively improves the cross cutting machine cushion linear speed servo compensation mechanism of cross cutting precision.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: including wallboard, cushion roller, pinion stand, initiative actuating mechanism and speed difference compensation actuating mechanism, pinion stand fixed mounting is on the wallboard, initiative actuating mechanism includes cushion gear, interior tooth core, outer tooth core, star frame gear, gear shaft and drive connecting piece, interior tooth core, outer tooth core and star frame gear all can rotate and install on the pinion stand, cushion gear and internal tooth core fixed connection, the gear shaft is rotatable to be installed on star frame gear, first planetary gear and second planetary gear are installed respectively to the both ends of gear shaft, first planetary gear and internal tooth core meshing, second planetary gear and external tooth core meshing, outer tooth core passes through drive connecting piece and is connected with the cushion roller transmission, speed difference compensation actuating mechanism provides power for star frame gear's rotation.

Preferably, the speed difference compensation driving mechanism comprises a servo motor, a planetary reducer, a transmission shaft and a phase gear, the transmission shaft is rotatably mounted on the wall plate, the phase gear is fixedly mounted on the transmission shaft, the phase gear is meshed with the planet carrier gear, the planetary reducer is fixedly mounted on the wall plate, the servo motor is fixedly mounted on the planetary reducer, the output end of the servo motor is in transmission connection with the input end of the planetary reducer, and the output end of the planetary reducer is in transmission connection with the transmission shaft; furthermore, the output end of the planetary reducer is in transmission connection with the transmission shaft through a synchronous belt.

Preferably, the driving connecting piece comprises a spline shaft and a sliding disc, the sliding disc is fixedly arranged on the outer tooth core, the spline shaft is fixedly arranged on the sliding disc, and the spline shaft is in transmission connection with the rubber cushion roller; furthermore, the sliding disc is detachably connected with the outer tooth core through a bolt, and the spline shaft is detachably connected with the rubber cushion roller through a bolt.

Preferably, the two gear shafts are symmetrically arranged on the star frame gear; furthermore, the ends of the two gear shafts are fixedly provided with planetary gears.

(III) advantageous effects

Compared with the prior art, the utility model provides a servo compensation mechanism of cross cutting machine cushion linear velocity possesses following beneficial effect: the main rotating force of the rubber cushion roller is from an external host machine through a rubber cushion gear, and the rubber cushion roller is driven to rotate through a first planetary gear, a gear shaft, a planet carrier gear, a second planetary gear and a driving connecting piece; when the novel rubber cushion is in work, the star frame gear is static, the rubber cushion gear and the external tooth core rotate simultaneously, and the rubber cushion roller rotates, namely the linear speed required by a new rubber cushion at the rubber cushion roller; when speed adjustment is needed, when the planet carrier gear is driven by the speed difference compensation driving mechanism, the gear shaft synchronously rotates, and the rubber mat roller is driven to rotate after the transmission of the first planetary gear and the second planetary gear, so that the running linear speed of the rubber mat is accelerated and the surface linear speed compensation after the rubber mat is repaired is realized; the rubber roller pad adjusting device is simple in structure and high in transmission efficiency, improves the linear speed difference adjusting precision of the rubber roller pad, prolongs the service life of the rubber pad at the rubber pad roller, and effectively improves the die cutting precision.

Drawings

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

FIG. 2 is a sectional plan view of the transmission connection structure of the present invention;

in the drawings, the reference numbers: 1. a wallboard; 2. a rubber cushion roller; 3. a gear seat; 4. a rubber pad gear; 5. an inner tooth core; 6. an outer tooth core; 7. a planet carrier gear; 8. a gear shaft; 9. a first planetary gear; 10. a second planetary gear; 11. a servo motor; 12. a planetary reducer; 13. a drive shaft; 14. a phase gear; 15. a spline shaft; 16. a slide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-2, the utility model discloses a servo compensation mechanism of cross cutting machine cushion linear velocity, including wallboard 1, cushion roller 2, gear seat 3, initiative actuating mechanism and speed difference compensation actuating mechanism, gear seat 3 fixed mounting is on wallboard 1, initiative actuating mechanism includes cushion gear 4, internal tooth core 5, external tooth core 6, star frame gear 7, gear shaft 8 and drive connecting piece, internal tooth core 5, external tooth core 6 and star frame gear 7 all can rotate and install on gear seat 3, cushion gear 4 and internal tooth core 5 fixed connection, gear shaft 8 is rotatable to be installed on star frame gear 7, first planetary gear 9 and second planetary gear 10 are installed respectively at the both ends of gear shaft 8, first planetary gear 9 meshes with internal tooth core 5, second planetary gear 10 meshes with external tooth core 6, external tooth core 6 is connected with cushion roller 2 transmission through the drive connecting piece, speed difference compensation actuating mechanism provides power for star frame gear 7's rotation.

Specifically, the speed difference compensation driving mechanism comprises a servo motor 11, a planetary speed reducer 12, a transmission shaft 13 and a phase gear 14, wherein the transmission shaft 13 is rotatably arranged on the wall plate 1, the phase gear 14 is fixedly arranged on the transmission shaft 13, the phase gear 14 is meshed with the planet carrier gear 7, the planetary speed reducer 12 is fixedly arranged on the wall plate 1, the servo motor 11 is fixedly arranged on the planetary speed reducer 12, the output end of the servo motor 11 is in transmission connection with the input end of the planetary speed reducer 12, and the output end of the planetary speed reducer 12 is in transmission connection with the transmission shaft 13; further, the output end of the planetary reducer 12 is in transmission connection with the transmission shaft 13 through a synchronous belt; the servo motor 11 is SV-MM13-3R8F-4-1A0-300, and the planetary reducer 12 is SPF 120-L1-3-P2; the servo motor 11 drives the planetary reducer 12 to rotate, and the planetary reducer is driven by the synchronous belt, the transmission shaft 13 and the phase gear 14 to realize the transmission of the planet carrier gear 7, so that the acceleration adjustment driving of the rubber cushion roller 2 is realized; further, the cushion gear 4 is a 100-tooth gear, the internal tooth core 5 is a 100-tooth central gear, the first planetary gear 9 is a 30-tooth planetary gear, the second planetary gear 10 is a 30-tooth planetary gear, and the external tooth core 6 is a 102-tooth external tooth core 6.

Specifically, the driving connecting piece comprises a spline shaft 15 and a sliding disc 16, the sliding disc 16 is fixedly arranged on the outer tooth core 6, the spline shaft 15 is fixedly arranged on the sliding disc 16, and the spline shaft 15 is in transmission connection with the rubber pad roller 2; further, the sliding disc 16 is detachably connected with the external tooth core 6 through a bolt, and the spline shaft 15 is detachably connected with the rubber pad roller 2 through a bolt; the transmission drive to the rubber cushion roller 2 can be realized through the spline shaft 15 and the sliding disc 16, and when the servo compensation mechanism needs to be maintained, the sliding disc 16 and the spline shaft 15 can be detached, so that the convenience of follow-up maintenance is improved.

Specifically, two groups of gear shafts 8 are arranged, and the two groups of gear shafts 8 are symmetrically arranged on the planet carrier gear 7; furthermore, the end parts of the two gear shafts 8 are fixedly provided with planetary gears; through the arrangement of the two gear shafts 8 and the transmission of the inner gear core 5 and the outer gear core 6 through the corresponding first planetary gear 9 and the second planetary gear 10, the inner gear core 5 and the outer gear core 6 are stressed in a balanced manner, the rotational stability of the inner gear core 5 and the outer gear core 6 is ensured, and the precision of the servo compensation mechanism is further improved.

When the system is used, SV-MM13-3R8F-4-1A0-300 servo motor 11 is selected to match SPF120-L1-3-P2 planetary reducer 12, and the compensation value and the linear speed of the host machine are set by an external PLC control system to automatically calculate and execute the rotating speed of the host machine. The star frame gear 7 is driven by a synchronous belt and a transmission shaft 13 to realize compensation action; the main power of the rotation of the rubber cushion roller 2 is supplied to an external host machine through a rubber cushion gear 4 (100-tooth gear), and the rubber cushion roller 2 is driven through an inner tooth core 5 (100-tooth central gear), a first planetary gear 9 (30-tooth planetary gear), a gear shaft 8, a planet carrier gear 7, a second planetary gear 10 (30-tooth planetary gear), an outer tooth core 6 (102-tooth outer tooth core 6), a sliding disc 16 and a spline shaft 15; when the novel rubber cushion is in work, when the star frame gear 7 is static, the rubber cushion gear 4 and the external tooth core 6 rotate for one circle at the same time, and the rubber cushion roller 2 rotates for one circle, so that the linear speed required by the novel rubber cushion is achieved; when the planet carrier gear 7 is driven by the speed difference compensation driving mechanism and rotates in the same direction with the rubber mat gear 4, the planet carrier gear 7 rotates for each circle, the outer tooth core 6 rotates for two angles of teeth in the same direction relative to the rubber mat gear 4, the outer tooth core 6 synchronously drives the rubber mat roller 2 to rotate through the first planetary gear 9, the gear shaft 8, the second planetary gear 10, the sliding disc 16 and the spline shaft 15, and the running speed of the rubber mat is accelerated so as to compensate the surface linear speed after the rubber mat is repaired.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest manner such that "on … …" means not only "directly on something", but also "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning of "above" or "above" something, but also the meaning of "above" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Furthermore, spatially relative terms, such as "below," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's illustrated relationship to another element or feature. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A servo compensation mechanism for linear velocity of a rubber mat of a die-cutting machine is characterized by comprising a wall plate (1), a rubber mat roller (2), a gear seat (3), an active driving mechanism and a velocity difference compensation driving mechanism, wherein the gear seat (3) is fixedly arranged on the wall plate (1);

initiative actuating mechanism includes cushion gear (4), internal tooth core (5), external tooth core (6), star frame gear (7), gear shaft (8) and drive connection spare, equal rotatable the installing on gear seat (3) of internal tooth core (5), external tooth core (6) and star frame gear (7), cushion gear (4) and internal tooth core (5) fixed connection, rotatable the installing on star frame gear (7) of gear shaft (8), first planetary gear (9) and second planetary gear (10) are installed respectively to the both ends of gear shaft (8), first planetary gear (9) and internal tooth core (5) meshing, second planetary gear (10) and external tooth core (6) meshing, external tooth core (6) are connected with cushion roller (2) transmission through the drive connection spare, speed difference compensation actuating mechanism provides power for the rotation of star frame gear (7).

2. The servo compensation mechanism for die cutting machine rubber mat linear speed according to claim 1, characterized in that the speed difference compensation driving mechanism comprises a servo motor (11), a planetary reducer (12), a transmission shaft (13) and a phase gear (14), wherein the transmission shaft (13) is rotatably installed on a wall plate (1), the phase gear (14) is fixedly installed on the transmission shaft (13), the phase gear (14) is meshed with a planet carrier gear (7), the planetary reducer (12) is fixedly installed on the wall plate (1), the servo motor (11) is fixedly installed on the planetary reducer (12), an output end of the servo motor (11) is in transmission connection with an input end of the planetary reducer (12), and an output end of the planetary reducer (12) is in transmission connection with the transmission shaft (13).

3. The servo compensation mechanism of linear velocity of rubber mats of die cutting machines according to claim 2, characterized in that the driving connecting piece comprises a spline shaft (15) and a sliding disc (16), the sliding disc (16) is fixedly installed on the outer tooth core (6), the spline shaft (15) is fixedly installed on the sliding disc (16), and the spline shaft (15) is in transmission connection with the rubber mat roller (2).

4. The servo compensation mechanism of linear velocity of rubber mats of die cutting machines according to claim 3, characterized in that the gear shafts (8) are two groups, and the two groups of gear shafts (8) are symmetrically arranged on the star frame gear (7).