CN208761787U - Tension bracket and laminator - Google Patents

Abstract

The utility model provides a kind of tension bracket, it is arranged in the rack of laminator, the both ends of tension bracket are respectively pivoted in rack, the detection device for being wrapped in elasticity on tension bracket for detecting dry film is provided on tension bracket, tension bracket include for support dry film around film bar, support two two fixed frames around film bar both ends, connection fixed frames far from the balancing pole around film bar one end and the rotating bar being installed in rack respectively, middle part and the rotating bar axis of each fixed frame connect.Tension bracket provided by the utility model is reduced to be affected because dry film winds pad pasting process caused by due to generation loosens, and reduces the defect rate during pad pasting, reduces the impaired probability of laminator.

Description

Tension bracket and laminator

Technical field

The utility model belongs to film sticking equipment technical field, is to be related to a kind of tension bracket and laminator more specifically.

Background technique

Since printed circuit board needs to carry out pad pasting processing before exposure processing, thus current printed circuit board is in production Laminator is needed to carry out pad pasting processing in the process.

Laminator occurs the situation of film roll winding relaxation during pad pasting, and film roll once occurs around film relaxation Situation will will affect the pad pasting effect of subsequent pad pasting process and printed circuit board, causes laminator to be shut down and even damages.

Utility model content

The purpose of this utility model is to provide a kind of tension bracket and laminators, to solve film roll existing in the prior art Cause to lead to the problem of substandard products during pad pasting around film relaxation.

In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of tension bracket, is arranged in laminator Rack on, the both ends of the tension bracket are respectively pivoted in the rack, are provided on the tension bracket for detecting dry film Be wrapped in the detection device of elasticity on tension bracket, the tension bracket include for support the dry film around film bar, respectively prop up The support separate balancing pole and peace around film bar one end of two two fixed frames, connection fixed frames around film bar both ends Loaded on the rotating bar in the rack, the middle part of each fixed frame connects with the rotating bar axis.

Further, the tension bracket further includes adjusting rod, and two for the adjusting rod are offered on each fixed frame The regulating tank being slidably inserted into is held, the regulating tank is arranged along the fixed frame length direction.

Further, the position limiting structure for limiting the tension bracket swing angle, the limit are additionally provided in the rack Bit architecture includes the lower stopper and upper stopper that interval is installed in the rack, and the fixed frame is close to one end of the balancing pole It is placed between the lower stopper and the upper stopper.

Further, described to connect respectively with two fixed frame axis around film bar both ends, the detection device includes detection Disk and inductor for incuding the detection plate rotational angle, the detection plate are set in described on film bar, the sense Device is answered to be fixed on the fixed frame.

Further, the detection plate is in the form of annular discs, and the circumferential edge of the detection plate is evenly arranged with several baffles, appoints It is formed with interval trough between two adjacent baffles of meaning, the inductor is provided with close to one end of the detection plate for feeling Two detection arms of the baffle are answered, form the detection slot for passing through for the baffle between two detection arms.

Further, the junction of each fixed frame and the rotating bar is provided with connector, and each connector is solid It is scheduled on each fixed frame.

Further, the connector is set as rolling bearing.

The another object of the utility model is to provide a kind of laminator, and the laminator includes being set to the rack The upper, film sticking apparatus for film roll to be attached to printed circuit plate surface and be used to supply to the film sticking apparatus dry film for film Device, described for film device includes several dry film framves for being used to support film roll, and described for film device includes being used to support film roll Several dry film framves and the workbench for carrying dry film frame.

Further, be provided on the dry film frame for separate dry film in the film roll and protection pad pasting around deflector roll Group, it is described to be arranged in parallel with described around film bar around deflector roll group.

Further, the first membrane feeding device and the second membrane feeding for drawing film roll are provided in the rack Device, the first membrane feeding device and the second membrane feeding device are oppositely arranged, the first membrane feeding device Close to the roof platform, the second membrane feeding device is close to the bottom stage.

Further, described for film device is two sets, and two sets described are respectively arranged in the upper of the rack for film device Lower two sides, the upper and lower ends of rack, which are provided with, is separately provided for corresponding two tension brackets for film device, is located at upside The workbench for film device on offer for for be located at frame top dry film frame feeding feeding port.

The beneficial effect of tension bracket provided by the utility model is: compared with prior art, the utility model is in pad pasting During, dry film is wrapped on film bar, and detection device real-time detection film roll is in the winding elasticity on film bar, once it does Film is in the presence of loosening in the winding on film bar, is just in the presence of stopping operating around film bar or revolving speed declines, detection Device issues film roll immediately and the alarm loosened occurs, and operator can make adjustment tension bracket in time after receiving alarm The movement of angle, reduce because dry film wind occur to loosen due to caused by pad pasting process be affected, during reducing pad pasting Defect rate, reduce the impaired probability of laminator.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of tension bracket provided by the embodiment of the utility model, and the section components of rack are not shown；

Fig. 2 is the structural schematic diagram of tension bracket provided by the embodiment of the utility model；

Fig. 3 is the enlarged drawing of part A in Fig. 2；

Fig. 4 is the structural schematic diagram of laminator provided by the embodiment of the utility model；

Fig. 5 is the structural schematic diagram of dry film frame provided by the embodiment of the utility model.

Wherein, each attached drawing main mark in figure:

1- tension bracket；11- is around film bar；12- fixed frame；13- balancing pole；14- rotating bar；15- adjusting rod；121- is adjusted Slot；122- connector；

2- laminator；21- rack；211- position limiting structure；2111- upper stopper；2112- lower stopper；22- film sticking apparatus；23- For film device；231- dry film frame；232- workbench；2311- is around deflector roll group；2321- feeding port；

3- detection device；31- detection plate；32- inductor；311- baffle；312- interval trough；321- detects arm；322- inspection Survey slot.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

In the description of the present invention, it should be understood that term " center ", " length ", " width ", " thickness ", The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because This should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

Also referring to Fig. 1 and Fig. 2, now tension bracket 1 provided by the utility model is illustrated.The tension bracket 1, if It sets in the rack 21 of laminator 2, the both ends of tension bracket 1 are articulated in rack 21, and detection device 3 is equipped on tension bracket 1, are examined Device 3 is surveyed for detecting the elasticity that the dry film of film roll is wound on tension bracket 1, tension bracket 1 includes around 11, two fixations of film bar Frame 12, balancing pole 13 and rotating bar 14, the both ends of rotating bar 14 are fixed in rack 21, and the middle part axis of two fixed frames 12 connects In rotating bar 14, the two sides of rotating bar 14 are mounted between two fixed frames 12 and are located at around film bar 11 and balancing pole 13, around Film bar 11 is for supporting dry film and being mounted between two fixed frames 12.

Specifically, rotating bar 14 is fixed in rack 21, two fixed frames 12 are carried in rotating bar 14 respectively and fix The middle part axis of frame 12 connects in rotating bar 14, and around film bar 11, balancing pole 13, rotating bar 14, successively axis connects the head end in fixed frame 12 To tail end, the dry film of film roll is supported on film bar 11, and two fixed frames 12 can be elastic with winding around film bar 11 with film roll Degree situation appears in the case where rotating in rotating bar 14, and 3 real-time detection of detection device supports pine between film bar 11 and dry film Tightness, once the winding between film bar 11 and dry film loosens, detection device 3, which will issue, needs to adjust tension bracket 1 Alarm, when needing to adjust the angle of fixed frame 12 and rotating bar 14, can increase on balancing pole 13 or reduce counterweight with So that fixed frame 12 and rotating bar 14 reach optimal angle position, so that the elasticity around film bar 11 and film roll reaches most Good elasticity.

Tension bracket 1 provided by the utility model, compared with prior art, during pad pasting, dry film is wrapped in around film On bar 11,3 real-time detection film roll of detection device is in the winding elasticity on film bar 11, once dry film is in twining on film bar 11 Around being in the presence of loosening, just it is in the presence of stopping operating around film bar 11 or revolving speed decline, detection device 3 issues film immediately Roll out the alarm of existing loosening, operator can make adjustment the movement of 1 angle of tension bracket in time after receiving alarm, subtract It is small because dry film wind occur to loosen due to caused by pad pasting process be affected, reduce the defect rate during pad pasting, reduce The impaired probability of laminator 2.

Further, referring to Fig. 2, tension bracket 1 further includes adjusting rod 15, regulating tank is offered on each fixed frame 12 121 and the both ends of adjusting rod 15 be respectively contained in each regulating tank 121, regulating tank 121 is arranged along the length direction of fixed frame 12, During adjusting film unwinding tightness, position of the adjustable adjusting rod 15 in regulating tank 121 reaches and passes through to realize Increasing and decreasing the purpose of counterweight same effect will adjust after adjusting rod 15 is slid into the position being suitble in regulating tank 121 by operator Pole 15, which is fixed on corresponding position, can be realized the purpose adjusted to the elasticity between film bar 11 and film roll.

Further, referring to Fig. 1, being further fixed on position-limit mechanism in rack 21, position-limit mechanism is for limiting tension bracket 1 Swing angle, position-limit mechanism include upper stopper 2111 and lower stopper 2112, and upper stopper 2111 and the interval of lower stopper 2112 are arranged, Gu Determine frame 12 to be placed between upper stopper 2111 and lower stopper 2112 close to one end of balancing pole 13.Tension bracket 1 during around film, The situation that larger swing occurs in rack 21 is occurred, once there is biggish rotation situation in rack 21 in tension bracket 1, on Block 2111 or lower stopper 2112 are conducive to prevent tension bracket 1 and larger rotational angle are in the presence of, and then prevent tension bracket 1 The case where being in the presence of larger swing in rack 21 and pad pasting process caused to be interrupted suddenly, be conducive to operator and When adjust, improve the pad pasting safety of laminator 2.

Further, also referring to Fig. 1 and Fig. 2, around the both ends of film bar 11, axis is connect on fixed frame 12 respectively, detection dress Setting 3 includes detection plate 31 and inductor 32, and inductor 32 is used to detect the rotational angle of detection plate 31, detection plate 31 be set in around On film bar 11, inductor 32 is fixed on fixed frame 12, in the case where dry film around the winding of film bar 11 with tightening, in pad pasting It is constantly rotated during in the process around the meeting of film bar 11 with the continuous blowing of film roll, the second detection plate 31 also can be with around film bar 11 Rotation and constantly rotate, third inductor 32 just can constantly detect the rotation of the second detection plate 31, once around film bar 11 Winding between film roll loosens, and will stop operating around film bar 11 or revolving speed declines, the second detection plate 31 also can be therewith It stops operating or revolving speed decline, third inductor 32 will issue after it can not detect the rotation or revolving speed decline around film bar 11 Need to adjust the alarm of tension bracket 1, operator can quickly adjust the preparation of tension bracket 1 after receiving alarm, mention The high safety in utilization of laminator 2.

Further, please refer to figs. 2 and 3 together, and the shape of detection plate 31 is disc, the circumferential edge of detection plate 31 Integrally formed with several baffles 311, interval trough 312 is formed between the adjacent baffle 311 of any two, inductor 32 is close to detection One end of disk 31 is provided with the two detection arms 321 being oppositely arranged, detection arm 321 for incuding baffle 311, two detection arms 321 it Between be formed with detection slot for passing through for baffle 311, which can more accurately detect the revolving speed around film bar 11.

Further, referring to Fig. 2, the junction of fixed frame 12 and rotating bar 14 is equipped with connector 122, each connection Part 122 is fixed on corresponding fixed frame 12, and fixed frame 12 is rotating with rotating bar 14 or needing to adjust fixed frame 12 When relative angle between rotating bar 14, relatively rotate between fixed frame 12 and rotating bar 14 can inevitably generate friction and Abrasion, connector 122 is spaced apart by fixed frame 12 and rotating bar 14, reduces the mill between fixed frame 12 and rotating bar 14 Damage is also convenient for replacing once abrasion occurs for connector 122.

Further, referring to Fig. 2, it is rolling bearing that connector 122, which is selected, rolling bearing is mounted on 12 He of fixed frame The frictional resistance that fixed frame 12 rotates in rotating bar 14 is greatly reduced between rotating bar 14, rolling bearing is also very often The connector 122 seen, replacement is convenient, at low cost, certainly, in other embodiments can also be according to the actual situation by connector 122 It is set as sliding bearing etc..

Referring to Fig. 4, the utility model also provides a kind of laminator 2, laminator 2 includes mentioned strain frame 1, laminator 2 Including film sticking apparatus 22 and for film device 23, film sticking apparatus 22 is mounted in rack 21, for dry film to be attached to printed circuit On plate, it is used to provide dry film to film sticking apparatus 22 for film device 23, film sticking apparatus 22 includes workbench 232 and several dry film framves 231, for carrying film roll, dry film frame 231 is mounted on workbench 232 dry film frame 231.

Further, referring to Fig. 5, being equipped on dry film frame 231 around deflector roll group 2311, around deflector roll group 2311 for separating Dry film part and protector membrane part in film roll, are arranged in parallel around deflector roll group 2311 and around film bar 11, and film roll is first in blowing By dividing around deflector roll group 2311 for dry film part and protector membrane part, during pad pasting, dry film is partially around around film Roller group 2311 and guarantee that dry film is tightened and is constantly transferred at film sticking apparatus 22 between film bar 11, protector membrane part is another It is collected outside until wound membrane volume blowing is finished and replaced.

Further, referring to Fig. 1, being provided with two sets for film device 23, two sets are separately mounted to rack for film device 23 21 top and bottom, the upper and lower ends of rack 21 are separately installed with two for the corresponding tension bracket 1 of film device 23, are located at machine The workbench 232 of 21 upside of frame offers feeding port 2321, and mountain material mouth is used for 231 feeding of dry film frame for 21 top of rack, patch Film machine 2 in the process of work, positioned at can working at the same time for film device 23 so as to film sticking apparatus for the top and bottom of rack 21 22 carry out pad pasting simultaneously to the two sides of printed circuit board simultaneously or to two batches printed circuit board while carrying out the process of pad pasting, pole The earth improves pad pasting efficiency, reduces working hour required for pad pasting process.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. tension bracket is arranged in the rack of laminator, it is characterised in that: the both ends of the tension bracket are respectively pivoted to the machine On frame, the detection device for being wrapped in elasticity on tension bracket for detecting dry film, the tension bracket are provided on the tension bracket Including for support the dry film around film bar, respectively support two fixed frames around film bar both ends, described in connection two Fixed frame is far from the balancing pole around film bar one end and the rotating bar being installed in the rack, the middle part of each fixed frame It is connect with the rotating bar axis.

2. tension bracket as described in claim 1, it is characterised in that: the tension bracket further includes adjusting rod, each fixed frame On offer the regulating tank that the both ends for the adjusting rod are slidably inserted into, the regulating tank is set along the fixed frame length direction It sets.

3. tension bracket as described in claim 1, it is characterised in that: be additionally provided in the rack for limiting the tension bracket pendulum The position limiting structure of dynamic angle, the position limiting structure includes the lower stopper and upper stopper that interval is installed in the rack, described solid Determine frame to be placed between the lower stopper and the upper stopper close to one end of the balancing pole.

4. tension bracket as described in claim 1, it is characterised in that: it is described around film bar both ends respectively with two fixed frame axis It connects, the detection device includes detection plate and the inductor for incuding the detection plate rotational angle, the detection plate set Described in being located on film bar, the inductor is fixed on the fixed frame.

5. tension bracket as claimed in claim 4, it is characterised in that: the detection plate is in the form of annular discs, the circumferential direction of the detection plate Edge is evenly arranged with several baffles, is formed with interval trough between the adjacent baffle of any two, the inductor is close to institute The one end for stating detection plate is provided with two detection arms for incuding the baffle, is formed between two detection arms for supplying The detection slot that the baffle passes through.

6. tension bracket as described in claim 1, it is characterised in that: the setting of the junction of each fixed frame and the rotating bar There is connector, each connector is fixed on each fixed frame.

7. tension bracket as claimed in claim 6, it is characterised in that: the connector is set as rolling bearing.

8. laminator, including such as tension bracket of any of claims 1-7, it is characterised in that: the laminator includes It is set in the rack, the film sticking apparatus for film roll to be attached to printed circuit plate surface and is used for the film sticking apparatus Supply dry film for film device, described for film device includes being used to support several dry film framves of film roll and for carrying dry film frame Workbench.

9. laminator as claimed in claim 8, it is characterised in that: be provided on the dry film frame for separating the film roll Dry film and protection pad pasting around deflector roll group, it is described to be arranged in parallel with described around film bar around deflector roll group.

10. laminator as claimed in claim 8, it is characterised in that: it is described for film device be two sets, and two sets it is described for film dress The two sides up and down for being respectively arranged in the rack are set, the upper and lower ends of rack, which are provided with, is separately provided for corresponding two confessions The tension bracket of film device is offered on the workbench for film device of upside for for being located at frame top The feeding port of dry film frame feeding.