CN212046389U

CN212046389U - Auxiliary mechanism for turning of printing table board

Info

Publication number: CN212046389U
Application number: CN201922499048.2U
Authority: CN
Inventors: 李大明
Original assignee: Dongguan City Kin Wah Machinery Co ltd
Current assignee: Dongguan City Kin Wah Machinery Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-01
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical field of the printing and dyeing equipment technique and specifically relates to indicate a stamp platen turns complementary unit, it includes that oval track and slip set up the platen subassembly on oval track, oval orbital centre of a circle position rotates and is provided with supplementary rolling disc, the platen subassembly include with oval track sliding connection's movable plate with install the platform beam supports on the movable plate, the one end rotation that platform beam supports is close to supplementary rolling disc is provided with the pulley of contradicting with supplementary rolling disc. The utility model discloses an auxiliary rotating disc takes place the rotation along with the turn of platform roof beam support under the produced frictional force of pulley, and the auxiliary rotating disc of rotation and then offset the produced resistance of platform roof beam support when the turn, has avoided platform roof beam support because the resistance is too big and lead to removing unstability or even appear the phenomenon of being stopped by the card in the turn to make platform roof beam support can steadily and accurately remove in oval orbital turn.

Description

Auxiliary mechanism for turning of printing table board

Technical Field

The utility model belongs to the technical field of the printing and dyeing equipment technique and specifically relates to indicate a stamp platen turn complementary unit.

Background

To ensure the continuity of the printing process, the moving track of the printing table plate is required to be set to be a closed circulating track, so that the printing table plate can return to the printing starting point, and the continuity of the printing process is ensured.

The elliptical printing machine has the characteristics of multiple stations and multiple printing heads, can print multiple patterns with complex processes and realize printing processing with more complex processes, thereby rapidly occupying the emerging market of printing. The elliptical track consists of two straight lines and circular arc tracks with two transitional ends, and how to drive the printing table board to move stably and accurately at the turning position of the elliptical track is always a difficult problem.

Disclosure of Invention

An object of the utility model is to provide a simple structure is compact to prior art's not enough, can let the stamp platen turn complementary unit that the stamp platen steadily and accurately removed in oval orbital turn.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pair of stamp platen turns complementary unit, it includes that oval track and slip set up the platen subassembly on oval track, oval orbital centre of a circle position rotates and is provided with supplementary rolling disc, the platen subassembly include with oval track sliding connection's movable plate with install the platform beam supports on the movable plate, the one end rotation that platform beam supports is close to supplementary rolling disc is provided with the pulley of contradicting with supplementary rolling disc.

The center of the oval track is provided with a fixed shaft, and the auxiliary rotating disc is rotatably arranged on the fixed shaft through a bearing.

The number of the pulleys is two, the two pulleys are vertically arranged at one end of the platform beam support at intervals, and the two pulleys are respectively positioned on the upper side and the lower side of the auxiliary rotating disc; the two pulleys are respectively abutted against the upper side and the lower side of the auxiliary rotating disk.

The cross section of the elliptical track is semicircular, and the bottom of the moving plate is rotatably provided with a U-shaped roller for clamping the elliptical track.

The printing table plate turning auxiliary mechanism comprises a printing table plate turning auxiliary mechanism, a plurality of moving plates, a connecting assembly and a moving driving device, wherein the moving plates are arranged on the oval track in a sliding mode, the connecting assembly is connected with two adjacent moving plates, and the moving driving device is used for driving the moving plates to move on the oval track.

Furthermore, the movement driving device comprises a rotating chain rotatably arranged below the elliptical track, a rack arranged at the bottom of the moving plate and meshed with the rotating chain, and a chain driving device for driving the rotating chain to rotate.

Further, chain drive includes that two that just the interval set up are parallel and two are followed the driving wheel that sets up in two one side from the driving wheel and be used for driving action wheel pivoted rotation driver, the rotation chain is around locating two outside from driving wheel and the driving wheel.

Furthermore, the chain driving device also comprises a chain tensioning device for tensioning the rotating chain, wherein the chain tensioning device comprises a tensioning gear meshed with the rotating chain, a rotating arm connected with the tensioning gear and a tensioning piece connected with the rotating arm.

Furthermore, coupling assembling includes that two symmetry each other set up in T type connecting rod, set up in the last elastic connection piece of the top of two T type connecting rods and set up in the lower elastic connection piece of the below of two T type connecting rods, the T type head end of T type connecting rod is used for strutting last elastic connection piece and lower elastic connection piece, the one end that T type head end was kept away from to T type connecting rod rotates with the movable plate and is connected.

The utility model has the advantages that:

the utility model provides a pair of stamp platen turns complementary unit, when the movable plate removes through oval orbital turn, the pulley that platform beam support is close to the one end of supplementary rolling disc is contradicted with supplementary rolling disc, supplementary rolling disc takes place the rotation along with the turn of platform beam support under the produced frictional force of pulley this moment, the supplementary rolling disc of rotation and then offset the produced resistance of platform beam support when the turn, avoided platform beam support because the resistance is too big and lead to removing unstable phenomenon by the card even appearing in the turn, thereby make platform beam support can steadily and accurately remove in oval orbital turn. The autorotation auxiliary rotating disc is simple and compact in structural design and stable and reliable in operation.

Drawings

Fig. 1 is a top view of the elliptical orbit of the present invention;

fig. 2 is a schematic structural view of the platen assembly of the present invention;

fig. 3 is a cross-sectional view of the elliptical orbit of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic structural view of the movement driving device of the present invention;

fig. 6 is a schematic structural view of the connection assembly of the present invention.

Description of the reference numerals

21. An auxiliary turn disc; 3. an elliptical orbit; 52. moving the plate; 4. a platform beam support; 44. a pulley; 11. a fixed shaft; 12. a bearing; 13. a U-shaped roller; 7. a movement driving device; 71. rotating the chain; 72. a rack; 73. a chain drive; 731. a driven wheel; 732. a driving wheel; 733. a tension gear; 734. a rotating arm; 735. a tension member; 8. a connecting assembly; 81. a T-shaped connecting rod; 82. an upper elastic connecting sheet; 83. a lower elastic connecting sheet.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the utility model provides a pair of stamp platen turns complementary unit, it includes that oval track 3 sets up the platen subassembly on oval track 3 with sliding, oval track 3's centre of a circle position is rotated and is provided with supplementary rolling disc 21, the platen subassembly includes movable plate 52 with oval track 3 sliding connection and installs the platform beam support 4 on movable plate 52, the one end rotation that platform beam support 4 is close to supplementary rolling disc 21 is provided with the pulley 44 of contradicting with supplementary rolling disc 21.

In practical application, the printing table is arranged on the table beam support 4, the movable plate 52 is driven by the power source, and the movable plate 52 drives the table beam support 4 to move together with the printing table; when the moving plate 52 moves through the turning of the elliptical orbit 3, the pulley 44 at one end of the platform beam support 4 close to the auxiliary rotating disc 21 is abutted against the auxiliary rotating disc 21, at the moment, the auxiliary rotating disc 21 rotates along with the turning of the platform beam support 4 under the action of friction force generated by the pulley 44, the rotating auxiliary rotating disc 21 further counteracts resistance generated when the platform beam support 4 turns, and the phenomenon that the platform beam support 4 moves unstably or even is blocked and stopped at the turning due to overlarge resistance is avoided, so that the platform beam support 4 can move stably and accurately at the turning of the elliptical orbit 3. The autorotation auxiliary rotating disc 21 has simple and compact structural design and stable and reliable operation.

In the present technical solution, a fixed shaft 11 is disposed at a center of the elliptical track 3, and the auxiliary rotating disk 21 is rotatably disposed on the fixed shaft 11 via a bearing 12. Under the cooperation of the fixed shaft 11 and the bearing 12, the auxiliary rotating disk 21 can rotate smoothly, reliably and accurately.

In the present technical solution, the number of the pulleys 44 is two, the two pulleys 44 are vertically arranged at one end of the platform beam support 4 at intervals, and the two pulleys 44 are respectively located at the upper side and the lower side of the auxiliary rotating disk 21; the two pulleys 44 respectively abut against the upper and lower sides of the auxiliary rotating disk 21. Under the clamping action of the two pulleys 44 on the auxiliary rotating disk 21, one end of the platform beam bracket 4 close to the auxiliary rotating disk 21 can be smoothly connected with the auxiliary rotating disk 21 in a sliding way, and the platform beam bracket 4 is prevented from shifting up and down in the turning process. The design of the pulley 44 is adopted, so that rolling friction is realized between the platform beam support 4 and the auxiliary rotating disc 21, the friction force between the platform beam support 4 and the auxiliary rotating disc 21 is further reduced, and the turning of the platform beam support 4 is smoother.

In the present technical solution, the cross-sectional shape of the elliptical track 3 is semicircular, and the bottom of the moving plate 52 is rotatably provided with a U-shaped roller 13 for clamping the elliptical track 3. The semicircular elliptical orbit 3 is clamped by a plurality of U-shaped rollers 13 so that the moving plate 52 can smoothly move on the elliptical orbit 3.

In the technical scheme, the elliptical track 3 is provided with a plurality of moving plates 52 in a sliding manner, two adjacent moving plates 52 are connected with a connecting assembly 8, and the printing table board turning auxiliary mechanism further comprises a moving driving device 7 for driving the moving plates 52 to move on the elliptical track 3. In practical applications, a plurality of moving plates 52 are slidably disposed on the elliptical track 3, and the moving driving device 7 is configured to drive one of the moving plates 52 to slide on the elliptical track 3, and the sliding moving plate 52 drives the remaining moving plates 52 to move under the action of the connecting assembly 8.

Preferably, the moving driving device 7 includes a rotating chain 71 rotatably disposed below the elliptical orbit 3, a rack 72 disposed at the bottom of the moving plate 52 and engaged with the rotating chain 71, and a chain driving device 73 for driving the rotating chain 71 to rotate. In practical application, the chain driving device 73 drives the rotating chains 71 to rotate, when one moving plate 52 on the elliptical track 3 moves to the position of the moving driving device 7, the rack 72 below the moving plate 52 is meshed with the rotating chains 71, the rotating chains 71 drive the rack 72 to move together with the moving plate 52, and the moving plate 52 pulls the next moving plate 52 to move close to the position of the rotating chains 71 under the action of the connecting assembly 8; when the rack 72 engaged with the rotating chain 71 in the first place is separated from the rotating chain 71, the rack 72 engaged with the rotating chain 71 in the second place is engaged with the rotating chain 71, so that the rotating chain 71 continues to move the next moving plate 52.

Preferably, the chain driving device 73 includes two driven wheels 731 arranged in parallel and at an interval, a driving wheel 732 rotatably arranged at one side of the two driven wheels 731, and a rotary driver for driving the driving wheel 732 to rotate, and the rotary chain 71 is wound around the two driven wheels 731 and the driving wheel 732. In particular, the rotary drive is a drive motor. The rotation driver drives the driving wheel 732 to rotate, the rotating driving wheel 732 drives the rotating chain 71 to rotate around the two driven wheels 731, the rotating chain 71 drives the rack 72 to move, and the moving rack 72 further drives the moving plate 52 to move. The chain driving device 73 has a simple and compact structural design, operates stably and reliably, and has high rotation precision of the rotating chain 71. Specifically, the chain driving device 73 further includes a chain tensioner for tensioning the rotating chain 71, and the chain tensioner includes a tensioning gear 733 engaged with the rotating chain 71, a rotating arm 734 connected to the tensioning gear 733, and a tensioning member 735 connected to the rotating arm 734. The tensioning member 735 pulls the rotating arm 734 to rotate in a direction close to the rotating chain 71, and the rotating arm 734 drives the tensioning gear 733 to always press the rotating chain 71, so as to drive the tensioning gear 733 to always press the rotating chain 71, so that the rotating chain 71 always keeps tension, and the rotating chain 71 rotates more stably to prevent loosening. Specifically, the tension member 735 is a spring, and pulls the rotating arm 734 by the elastic force of the spring, so that the tension gear 733 can apply an appropriate tension to the rotating chain 71.

In this technical scheme, coupling assembling 8 includes that two symmetry each other set up in T type connecting rod 81, set up in the last elastic connection piece 82 of the top of two T type connecting rods 81 and set up in the lower elastic connection piece 83 of the below of two T type connecting rods 81, the T type head end of T type connecting rod 81 is used for strutting last elastic connection piece 82 and lower elastic connection piece 83, the one end that T type head end was kept away from to T type connecting rod 81 rotates with movable plate 52 and is connected. In practical application, the two T-shaped connecting rods 81 are respectively rotatably connected with the two adjacent moving plates 52, the upper elastic connecting piece 82 and the lower elastic connecting piece 83 are both arc-shaped under the spreading of the T-shaped connecting rods 81, and the two T-shaped connecting rods 81 can approach or separate from each other under the elastic action of the upper elastic connecting piece 82 and the lower elastic connecting piece 83. Because the resultant force of each platform beam support 4 at different positions is different in the turning process of the platform beam supports 4, and the two adjacent moving plates 52 are connected together through the connecting assembly 8 to realize linkage, if the two adjacent moving plates 52 are directly connected by the connecting rod, the plurality of moving plates 52 are stuck at the turning position, therefore, in order to enable the plurality of moving plates 52 to stably and accurately move synchronously at the same speed, the connecting assembly 8 adopts a connecting structure of an elastic connecting sheet to provide certain elastic buffer between the two moving plates 52, so that the plurality of moving plates 52 respectively receive proper thrust when turning.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a stamp platen turns complementary unit which characterized in that: the movable plate type table beam assembly comprises an elliptical track and a table plate assembly arranged on the elliptical track in a sliding mode, wherein an auxiliary rotating disc is arranged at the circle center of the elliptical track in a rotating mode, the table plate assembly comprises a movable plate connected with the elliptical track in a sliding mode and a table beam support arranged on the movable plate, and a pulley abutted against the auxiliary rotating disc is arranged at one end, close to the auxiliary rotating disc, of the table beam support in a rotating mode.

2. The printing table turning assist mechanism of claim 1, wherein: a fixed shaft is arranged at the circle center of the elliptical orbit, and the auxiliary rotating disc is rotatably arranged on the fixed shaft through a bearing.

3. The printing table turning assist mechanism of claim 1, wherein: the number of the pulleys is two, the two pulleys are vertically arranged at one end of the platform beam support at intervals, and the two pulleys are respectively positioned on the upper side and the lower side of the auxiliary rotating disc; the two pulleys are respectively abutted against the upper side and the lower side of the auxiliary rotating disk.

4. The printing table turning assist mechanism of claim 1, wherein: the cross section of the oval track is semicircular, and the bottom of the moving plate is rotatably provided with a U-shaped roller for clamping the oval track.

5. The printing table turning assist mechanism of claim 1, wherein: the oval track slides and is provided with a plurality of movable plates, two adjacent movable plates are connected with a connecting assembly, and the printing bedplate turning auxiliary mechanism further comprises a moving driving device for driving the movable plates to move on the oval track.

6. The printing table turning assist mechanism of claim 5, wherein: the moving driving device comprises a rotating chain rotatably arranged below the elliptical track, a rack arranged at the bottom of the moving plate and meshed with the rotating chain, and a chain driving device used for driving the rotating chain to rotate.

7. The printing table turning assist mechanism of claim 6, wherein: chain drive includes two parallel and interval settings two from the driving wheel, rotate and set up in two from the action wheel of one side of driving wheel and be used for driving action wheel pivoted rotation driver, the rotation chain is around locating two from the driving wheel and the action wheel outside.

8. The printing table turning assist mechanism of claim 7, wherein: the chain driving device further comprises a chain tensioning device used for tensioning the rotating chain, and the chain tensioning device comprises a tensioning gear meshed with the rotating chain, a rotating arm connected with the tensioning gear and a tensioning piece connected with the rotating arm.

9. The printing table turning assist mechanism of claim 5, wherein: the connecting assembly comprises two upper elastic connecting pieces and two lower elastic connecting pieces, the two upper elastic connecting pieces are symmetrically arranged on the T-shaped connecting rods, the upper elastic connecting pieces are arranged above the two T-shaped connecting rods, the lower elastic connecting pieces are arranged below the two T-shaped connecting rods, the T-shaped head ends of the T-shaped connecting rods are used for unfolding the upper elastic connecting pieces and the lower elastic connecting pieces, and one ends, far away from the T-shaped head ends, of the T-shaped connecting rods are rotatably connected with the.