CN202011206U

CN202011206U - Buckle adjusting device for tail clamp bars

Info

Publication number: CN202011206U
Application number: CN2011200912220U
Authority: CN
Inventors: 黄彬
Original assignee: SHANGHAI BASCH PRINTING EQUIPMENT INT'L TRADING CO Ltd
Current assignee: Liaoning leopard Digital Technology Co., Ltd.
Priority date: 2011-03-31
Filing date: 2011-03-31
Publication date: 2011-10-19
Anticipated expiration: 2021-03-31

Abstract

The utility model discloses a buckle adjusting device for tail clamp bars, which comprises a cylindrical roller, two tail clamp bars respectively arranged at the circumferences of two ends of the roller and a bracket, wherein the connecting line of the two tail clamp bars is parallel to the axis of the roller; a cam clamping plate is movably connected with the bracket; and at least one clamping groove matched with the tail clamp bars is arranged on the cam clamping plate. The tail clamp bars on the roller of the cam clamping plate are driven to move by a motor, one end of the cam clamping plate, which is provided with the clamping groove, is clamped on the tail clamp bars to fix the tail clamp bars, then the roller is rotated, so that the tail clamp bars and the roller are enabled to perform opposite movements, after the tail clamp bars are adjusted to the appropriate positions on the roller, the cam clamping plate is loosened to fix printing plate material. The buckle adjusting device has the advantages that a cylinder is saved, an external air source is not needed, the adjustment work is reduced, and the adjustment time is saved.

Description

Tail clamp bar buckle adjusting device

Technical field

The utility model relates to a kind of buckle adjusting device, relates in particular to the tail clamp bar buckle adjusting device that a kind of CTP equipment is used.

Background technology

The CTP technology is called for short CTP(Computer to Plate, CTP), to be single bundle original laser of being produced by laser instrument split beam system through multiplex optical fiber or complicated high speed rotary optical splits into the superfine laser beam of multi beam for it, every bundle light is pressed the feature modulation such as bright dark of image information in the computer respectively through acousto-optic modulator, make laser beam become controlled light beam.Then, again after the line focus, the little laser of hundreds of bundle directly is mapped to the work of cutting blocks for printing of forme surface.After cutting blocks for printing by scanning, on forme, form the latent image of image.After developing, the image information on the computer screen just reduction is directly printed for offset press on forme.According to Exposure mode classification, CTP equipment can be divided into interior drum-type, drum type and flat three major types at present, and using maximum is interior drum-type and drum type.Interior drum-type is mainly used on the large format plates such as newspaper; Drum type is fit to use the temperature-sensitive plate; The platform-type aluminum substrate that is specially adapted to.

The drum type imaging is with the drum of a roller as the support forme, and version is clamped and wrapped on the roller.Because centripetal force can cause the vibration of roller, until resting, so the suitable speed of roller is that the per minute hundreds of changes.When version was rotated in company with roller, laser just was radiated on the version.

The roller of CTP equipment need adapt to the publication of different size plate, and this requires the tail clamp bar can slide into corresponding position on roller.CTP equipment is to find tail clamp bar location at present, promotes depression bar by cylinder then and presses off the tail clamp bar, ejects fixedly tail clamp bar of backstay by another set of cylinder again, and roller rotated and made the relative motion of tail clamp bar to desired location this moment; In above-mentioned CTP equipment, when locating the tail clamp bar one latch need be set at the two ends of roller, and because the roller two ends also need to install miscellaneous parts such as rotary encoder, so the space utilization at roller two ends is had certain limitation, the setting of latch is for the particularly inconvenience of roller of minor diameter.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of tail clamp bar buckle adjusting device, this device is by the motion of the tail clamp bar on the driven by motor cam clamp roller, required cylinder and latch when saving traditional CTP equipment roller location, simplify and adjust action, save the adjustment time, improved space utilization efficient.

In order to achieve the above object, the utility model proposes a kind of tail clamp bar buckle adjusting device, comprise cylindrical roller, two tail clamp bar and supports that lay respectively at described roller excircle, the line of described two tail clamp bars is parallel to the axis of described roller, one cam clamp is movably connected in described support, and described cam clamp is provided with the draw-in groove of at least one and described tail clamp bar coupling.

Above-mentioned tail clamp bar buckle adjusting device, described draw-in groove is a semi-circular recesses.

Above-mentioned tail clamp bar buckle adjusting device, described cam clamp is provided with two draw-in grooves.

Above-mentioned tail clamp bar buckle adjusting device, described cam clamp is provided with a through hole.

Compare with existing tail clamp bar buckle adjusting device, tail clamp bar buckle adjusting device of the present utility model is by the motion of the tail clamp bar on the driven by motor cam clamp roller, after the end that the cam clamp has a draw-in groove is fastened on the tail clamp bar, the tail clamp bar is fixed, then rotating drum can make tail clamp bar and roller produce relative motion, after treating that the tail clamp bar is adjusted to position suitable on the roller, unclamping the cam clamp more just can the fixing printing plate; This device has saved cylinder, does not need external source of the gas, has reduced simultaneously and has adjusted action, has saved the adjustment time, has saved the space of roller both sides.

Description of drawings

By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and understand easily.

Fig. 1 is the schematic diagram of cam clamp when not being stuck on the tail clamp bar;

Fig. 2 is the schematic diagram of cam clamp when being stuck on the tail clamp bar.

The reference numeral explanation:

The 1-roller,

2-cam clamp,

3-tail clamp bar,

The 4-through hole.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

A kind of tail clamp bar buckle adjusting device comprises cylindrical roller 1, two tail clamp bar 3 and support (not shown)s that lay respectively at circumference place, roller 1 two ends.The line of two tail clamp bars 3 is parallel to the axis of roller 1, and a cam clamp 2 is movably connected in above-mentioned support, and cam clamp 2 is provided with the draw-in groove of at least one and tail clamp bar 3 couplings.

State when the cam clamp that Fig. 1 shows this tail clamp bar buckle adjusting device is not stuck on the tail clamp bar.At this moment, the draw-in groove of cam clamp 2 separates with tail clamp bar 3, and tail clamp bar 3 is not owing to there being the effect of external force, so be clipped on the periphery of roller 1.Only be an end face of roller 1 shown in the figure, another end face of roller 1 is identical with this end face, that is to say, cam clamp 2 and tail clamp bar 3 also are arranged on another end face of roller 1.The cam clamp 2 of 1 two end faces of roller is identical with the state of tail clamp bar 3, is separated from one another all.

State when Fig. 2 shows this tail clamp bar buckle adjusting device cam clamp and is stuck on the tail clamp bar.At this moment, the draw-in groove of

cam clamp

2 and 3 engagings of tail clamp bar, tail clamp bar 3 is owing to be subjected to the effect of external force, so separate with the periphery of roller 1, roller 1 can be relative to rotating with tail clamp bar 3, until adjusting to required relative position.Same, only an end face of roller 1 shown in the figure, another end face of roller 1 is identical with this end face, that is to say, and cam clamp 2 and tail clamp bar 3 also are arranged on another end face of roller 1.The cam clamp 2 of 1 two end faces of roller is identical with the state of tail clamp bar 3, all engages with each other.

Above-mentioned draw-in groove can be a semi-circular recesses because the shape of semi-circular recesses and tail clamp bar 3 couplings, so the cam clamp snap in and unclamp the operation of tail clamp bar 3 can be more smooth and easy, minimizing mechanical wear.Need explanation, the shape of draw-in groove is not limited to semicircle, can be other shapes yet, as polygon etc.

Further, cam clamp 2 is provided with a through hole 4.Through hole 4 is used for cam clamp 2 is connected a fixed bar, and cam clamp 2 can be rotated around fixed bar.

Above content is to further describing that the utility model is done in conjunction with concrete embodiment; can not assert that the specific embodiment of the present utility model only limits to this; under above-mentioned guidance of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improvement or distortion drop in the protection domain of the present utility model.

Claims

1. a tail clamp bar buckle adjusting device comprises cylindrical roller, two tail clamp bar and supports that lay respectively at described roller excircle, and the line of described two tail clamp bars is parallel to the axis of described roller, it is characterized in that:

One cam clamp is movably connected in described support, and described cam clamp is provided with the draw-in groove of at least one and described tail clamp bar coupling.

2. tail clamp bar buckle adjusting device according to claim 1 is characterized in that:

Described draw-in groove is a semi-circular recesses.

3. tail clamp bar buckle adjusting device according to claim 1 and 2 is characterized in that:

Described cam clamp is provided with two draw-in grooves.

4. tail clamp bar buckle adjusting device according to claim 1 is characterized in that:

Described cam clamp is provided with a through hole.