CN214000568U

CN214000568U - Film cutting device for PCB surface film pasting

Info

Publication number: CN214000568U
Application number: CN202022483303.7U
Authority: CN
Inventors: 杨军
Original assignee: Huizhou Merix Electronic Technology Co ltd
Current assignee: Huizhou Merix Electronic Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-20
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a PCB surface film-pasting cuts membrane device, including frame, blowing pivot, recovery spool, mesa and cutter all set up in the frame, blowing pivot and recovery spool setting are in the same one side of mesa, the cutter slides and sets up in the mesa top. The utility model is used for the conducting hole on PCB board surface uses the membrane material cutting of preventing welding dry film hole sealing before doing the green oil of preventing welding.

Description

Film cutting device for PCB surface film pasting

Technical Field

The utility model relates to a PCB production and processing equipment technical field, concretely relates to PCB surface film cutting device.

Background

The PCB is a common component on various electronic products and mechanical equipment, and various electronic components need to be installed on the PCB and are connected together through a circuit on the PCB, so that the electrical function of the product is realized. The PCB production involves a plurality of steps, and some PCB production needs to use the solder mask dry film hole sealing to the via hole of PCB board before doing the solder mask green oil, can generally adopt vacuum sticking film machine to accomplish. Before the solder mask dry film is subjected to vacuum film pressing through a vacuum film sticking machine, the rolled dry film needs to be cut into sheets with the same size as the PCB, and then the sheets are pre-stuck on the board surface. The existing solder mask dry film cutting is manually finished, when the dry film is manually cut, the cutting efficiency is low, the cutting size is not standard, the operation is very inconvenient, and the cutting edge is not straight; meanwhile, the two sides of the dry film are provided with the protective films, the protective films need to be torn off before being attached to the board surface in advance, the operation is troublesome, the problems that the dry film is easy to fold and the like occur when the protective films are torn off, and the attachment of the solder-proof dry film on the PCB is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be that artifical manual cutting dry film operation is inconvenient, the edge is straight inadequately, the dyestripping is discounted the scheduling problem easily, a PCB surface pad pasting that can solve cut membrane device is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a PCB surface pad pasting cut membrane device, includes frame, blowing pivot, recovery spool, mesa and cutter all set up in the frame, the same one side of mesa is located in blowing pivot and the setting of recovery spool, the cutter slides and sets up in the mesa top.

Furthermore, a graduated scale is arranged on the table top, and the length of the film material unreeled to the table top by the emptying rotating shaft can be measured by the graduated scale.

Furthermore, the two sets of graduated scales are arranged in parallel and are respectively arranged on the outer sides of the two opposite sides of the table board.

Furthermore, the graduated scale passes through the slide rail and slides and set up on the mesa, the slide rail sets up at the mesa back, the graduated scale passes logical groove to the mesa back on the mesa to install on the slide rail at the mesa back.

Furthermore, the two groups of recovery reels are arranged and are respectively arranged on two opposite sides outside the discharging rotating shaft.

Further, still include the deflector roll, the deflector roll setting is in the position between blowing pivot and the recovery spool.

Furthermore, a sliding rod is arranged on the rack, and the cutter is arranged on the sliding rod in a sliding mode.

Further, the cutting device also comprises a sliding driving mechanism, and the sliding driving mechanism drives the cutting knife to slide on the sliding rod in a reciprocating mode.

The utility model discloses the beneficial effect who realizes mainly has following several: through the membrane cutting device of the PCB surface pad pasting including blowing pivot, recovery spool, mesa and cutter, can realize that the mechanization of PCB surface pad pasting is cut, the uniformity of cutting the membrane is good, has avoided cutting the marginal uneven scheduling problem of membrane size nonstandard, cutting to tear through the recovery spool and retrieve the protection film in the membrane material outside, the problem that the membrane material was discounted when can avoiding tearing the protection film, guarantee the attached effect on diaphragm and PCB surface. Meanwhile, the PCB surface film pasting slitting is achieved mechanically, the production efficiency is high, the cutting effect of a manual handheld blade can be avoided, and the potential safety hazard is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an appearance of a film cutting device for attaching a film to a surface of a PCB according to an embodiment of the present invention;

fig. 2 is a schematic structural view of connection of a discharging rotating shaft, a recycling reel, a table board and a cutter of a film cutting device for attaching a film on the surface of a PCB in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an appearance of a film cutting device for attaching a film to a surface of a PCB according to a second embodiment of the present invention;

fig. 4 is a schematic view of a longitudinal section structure of the scale of the film cutting device for the PCB surface film pasting according to the embodiment of the present invention, which is slidably disposed on the table top.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1 and 2, a film cutting apparatus for a PCB surface film is used for cutting a via hole on a surface of a PCB with a film material sealed with a solder resist dry film before solder resist green oil is applied. The film cutting device for the PCB surface film pasting comprises a rack 1, a discharging rotating shaft 2, a recycling reel 3, a table board 4 and a cutter 5, wherein the rack 1 is an installation supporting structure for each part of the whole device, and the discharging rotating shaft 2, the recycling reel 3, the table board 4 and the cutter 5 are all arranged on the rack 1. The feeding rotating shaft 2 and the recovery scroll 3 are arranged on the same side of the table top 4, the feeding rotating shaft 2 is used for fixing and unreeling the coiled dry welding-proof film, and the dry welding-proof film is unreeled to the side where the table top 4 is located; the recovery reel 3 recovers the protective film 9 on the outer side of the solder mask dry film 8, and can drive the recovery reel 3 to rotate (can be driven manually or by a servo motor and the like), so that the protective film 9 on the outer side of the solder mask dry film 8 is torn off and recovered, and meanwhile, the solder mask dry film 8 is moved to the table top 4 on the other side through the dragging effect of pulling the protective film 9 when the recovery reel 3 rotates; the cutter 5 is arranged above the table board 4 in a sliding mode, the welding-proof dry film 8 is cut off through the sliding of the cutter 5, and the cutting of the rolled welding-proof dry film is achieved. Through the film cutting device of the PCB surface pad pasting including blowing pivot 2, retrieve spool 3, mesa 4 and cutter 5, can realize that the mechanization of PCB surface pad pasting is cut, the uniformity of cutting the membrane is good, avoided cutting the nonstandard, the marginal uneven scheduling problem of cutting, and tear the protection film that removes and retrieve the membrane material outside through retrieving spool 3, the problem that the membrane material was discounted when can avoiding tearing the protection film, guarantee the attached effect on diaphragm and PCB surface. Meanwhile, the PCB surface film pasting slitting is achieved mechanically, the production efficiency is high, the cutting effect of a manual handheld blade can be avoided, and the potential safety hazard is reduced.

Referring to fig. 1, as a further preferred scheme, set up scale 7 on the mesa 4 best, scale 7 sets up in the outside of mesa 4, blowing pivot 2 unreels to the dry film membrane material of preventing welding on mesa 4 can get length through scale 7 volume to can get the length of membrane material with the accurate volume of scale when cutting PCB surface pad pasting membrane material, further improve the precision of membrane material cutting, can also get the membrane material of equidimension not as required and cut, application scope is wide.

Referring to fig. 1, as a further preferred scheme, the graduated scale 7 preferably sets up two sets ofly, and two sets of graduated scales 7 set up side by side to set up the outside on relative both sides on mesa 4 respectively, thereby can correspond through two graduated scales of mesa both sides when measuring the length of membrane material and measure, measured more accurately, make the cutting of membrane material more accurate, the size is more standard.

Referring to fig. 2, as a further preferred scheme, two sets of the recycling winding shafts 3 are preferably arranged, and the two sets of the recycling winding shafts 3 are respectively arranged at two opposite sides outside the discharging rotating shaft 2, so that when protective films are arranged at two sides of the solder-resisting dry film, the two sets of the recycling winding shafts 3 can be respectively torn off and recycled, and the protective films at two sides are torn off at the same time, so that the solder-resisting dry film 8 is more stable when being conveyed to the table top 4; only one set of recovery reels 3 can be started for the case where only one side surface of the solder resist dry film has the protective film. In addition, preferably set up deflector roll 6, deflector roll 6 sets up the position between blowing pivot 2 and recovery spool 3, leads the transition between protection film from the department that breaks away from the surface of dry film 8 of preventing welding to recovery spool 3 for the tearing of protection film is easier, also better carries the dry film 8 of preventing welding after the tear-off membrane to mesa 4 on.

Referring to fig. 1, the cutter 5 may be disposed in such a manner that a sliding rod 11 is disposed on the frame 1, and the cutter 5 is slidably disposed on the sliding rod 11, so that when the cutter 5 slides from one side to the other side, a tip of the cutter passes over the dry film 8 to cut off the dry film 8. In addition, a sliding driving mechanism can be further arranged, the sliding driving mechanism drives the cutter 5 to slide on the sliding rod 11 in a reciprocating mode, so that the cutter 5 is driven to move through the sliding driving mechanism to cut off the welding-proof dry film 8, and the sliding driving mechanism can adopt a screw rod mechanism, an air cylinder and the like; the cutter 5 can also be slid manually without a slide driving mechanism.

When the film cutting device of PCB surface pad pasting of this embodiment uses, with the solder mask dry film material loading of coil stock on blowing pivot 2, it is fixed on two recovery spools 3 to tear the protection film that will solder mask dry film both sides manually and lead to respectively, the rotation of two recovery spools 3 of rethread comes the dyemask and retrieves the protection film and carries the solder mask dry film 8 after the dyemask to mesa 4 on, solder mask dry film 8 gets the size that needs through 7 volume of scale on mesa 4, rethread slip cutter 5 cuts off can.

Example two

Referring to fig. 3 and 4, the overall structure of the film cutting device for the PCB surface film of the present embodiment is the same as that of the first embodiment, except that the graduated scale 7 is slidably disposed on the table top 4 through a slide rail 41, the slide rail 41 is disposed on the back of the table top 4, the graduated scale 7 passes through the through groove 42 on the table top 4 to the back of the table top 4 and is mounted on the slide rail 41 on the back of the table top 4, and the graduated scale 7 is provided with a slide groove, which is slidably mounted on the slide rail 41. Therefore, the distance between the two graduated scales 7 can be adjusted according to the anti-welding dry films 8 with different widths, so that the two graduated scales 7 are just clamped on the outer side of the anti-welding dry film 8, and the length of the anti-welding dry film 8 is more accurately measured; the anti-welding dry film 8 can be guided to move on the table board through the two graduated scales 7, and the accuracy of measuring the size during cutting is further guaranteed. In addition, a fixing screw can be arranged on the sliding groove, and the fixing screw can be screwed down after the position of the graduated scale 7 is adjusted on the sliding rail 41, so that the graduated scale 7 is fixed on the sliding rail 41. The whole structure of the film cutting device for attaching the film to the surface of the PCB of this embodiment is the same as that of the first embodiment, and the description thereof is omitted here.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a PCB surface pad pasting cut membrane device which characterized in that: including frame (1), blowing pivot (2), recovery spool (3), mesa (4) and cutter (5) all set up on frame (1), blowing pivot (2) and recovery spool (3) set up in the same one side of mesa (4), cutter (5) slide to set up in mesa (4) top.

2. The film cutting device for the PCB surface film pasting according to claim 1, wherein: be provided with scale (7) on mesa (4), length can be got through scale (7) to the coating material that blowing pivot (2) unreeled to mesa (4).

3. The film cutting device for the PCB surface film pasting according to claim 2, wherein: the two groups of graduated scales (7) are arranged, and the two groups of graduated scales (7) are arranged in parallel and are respectively arranged on the outer sides of the two opposite sides of the table top (4).

4. The film cutting device for the PCB surface film pasting according to claim 3, wherein: the scale (7) is arranged on the table board (4) in a sliding mode through the sliding rail (41), the sliding rail (41) is arranged on the back face of the table board (4), and the scale (7) penetrates through the through groove (42) in the table board (4) to reach the back face of the table board (4) and is arranged on the sliding rail (41) on the back face of the table board (4).

5. The film cutting device for the PCB surface film pasting according to any one of the claims 1 to 4, characterized in that: the two groups of recovery reels (3) are arranged, and the two groups of recovery reels (3) are respectively arranged on two opposite sides outside the discharging rotating shaft (2).

6. The film cutting device for the PCB surface film pasting according to claim 5, wherein: still include deflector roll (6), deflector roll (6) set up the position between blowing pivot (2) and recovery spool (3).

7. The film cutting device for the PCB surface film pasting according to claim 5, wherein: a sliding rod (11) is arranged on the rack (1), and the cutter (5) is arranged on the sliding rod (11) in a sliding mode.

8. The film cutting device for the PCB surface film pasting according to claim 7, wherein: the cutting device also comprises a sliding driving mechanism, and the sliding driving mechanism drives the cutting knife (5) to slide on the sliding rod (11) in a reciprocating manner.