CN211362553U - Automatic cutting and punching device for prepreg - Google Patents
Automatic cutting and punching device for prepreg Download PDFInfo
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- CN211362553U CN211362553U CN201921628153.5U CN201921628153U CN211362553U CN 211362553 U CN211362553 U CN 211362553U CN 201921628153 U CN201921628153 U CN 201921628153U CN 211362553 U CN211362553 U CN 211362553U
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Abstract
The utility model provides an automatic punching device that cuts of prepreg which characterized in that: including pan feeding mechanism, slitting mechanism, the mechanism of punching a hole, dust absorption mechanism, crosscut mechanism and receiving agencies, pan feeding mechanism is along the direction pay-off of taking out of prepreg coil stock, slitting mechanism cuts prepreg coil stock along the pay-off direction, the mechanism of punching a hole is used for the prepreg to punch a hole, dust absorption mechanism locates on the mechanism of punching a hole, crosscut mechanism is used for cutting off the prepreg coil stock after punching a hole, receiving agencies is used for collecting and cuts the prepreg finished product after punching a hole. The utility model can realize the running water type automatic operation of cutting the prepreg and pre-punching the target hole in one machine, saves two times of transportation and reduces the labor cost; the punching cylinder is adopted to drive the punch to punch holes on the single-layer prepreg, and the prepreg is uniformly tensioned by the front roller and the rear roller, so that the prepreg can be prevented from sliding, deviating and warping in semi-curing, the hole site precision can be greatly improved, a numerical control drilling machine can be saved, and the orifice quality problems of molten glue and gummosis can be effectively avoided.
Description
Technical Field
The utility model relates to a circuit board production field, in particular to automatic punching device that cuts of prepreg.
Background
In the production process of the multilayer circuit board, a dielectric layer, namely a prepreg (also called PP), is needed in the pressing process, the material is very thin, the thickness of the material is below 0.15mm, and the high-level circuit board needs to be pressed through a riveting process, specifically, the circuit inner layer laminate and the dielectric layer are riveted together through rivets, so that interlayer offset cannot occur in the hot pressing and the process.
At present, commercially available prepregs are generally large-sized strip-shaped sheets, and when the prepreg is used, the strip-shaped prepregs are cut into smaller rectangular prepreg finished products according to the size of a circuit board to be manufactured so as to meet the size of the circuit board. The general process in the industry is as follows: feeding → full-automatic PP cutting → carrying to a numerical control drilling machine → pre-drilling a target hole → carrying to a riveting process, and the following problems exist in the production mode:
firstly, PP cutting and pre-drilling target holes are two different processes, and the middle part needs to be carried for many times by manpower, so that the production period is too long, and the labor cost is high;
secondly, when pre-drilling is carried out, a stack of prepregs is processed by a numerical control drilling machine, the prepreg stack cannot be clamped and fixed on the table top of a machine tool, a clamp can protrude out of the plate surface and collide with a moving main shaft, a stack of prepregs cannot be fixed by an adhesive tape, and the prepreg stack is laid on the table top of the machine tool, so that warping can occur, and the hole site precision is influenced in two aspects;
finally, under the condition that the prepreg generates heat by high-speed friction of the numerical control drill bit, resin is easy to melt, so that the quality problems of orifice glue melting, glue flowing and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome the above-mentioned defect that prior art exists, provide a full-automatic line production, hole site precision height, good-quality prepreg automatic cutting punching device in drill way.
The utility model provides a technical scheme that its technical problem adopted is, an automatic punching device that cuts of prepreg, include pan feeding mechanism, slitting mechanism, the mechanism of punching a hole, dust absorption mechanism, crosscut mechanism and receiving agencies, pan feeding mechanism is along the direction pay-off of taking out of prepreg coil stock, slitting mechanism cuts prepreg coil stock along the pay-off direction, the mechanism of punching a hole is used for the prepreg to punch a hole, dust absorption mechanism locates on the mechanism of punching a hole, crosscut mechanism is used for cutting off the prepreg coil stock after punching a hole, receiving agencies is used for collecting and cuts the prepreg finished product after punching a hole.
Preferably, the slitting mechanism comprises a first driving motor, a bidirectional ball screw, a first nut, a second nut and a first slitting hob, the first driving motor is connected with one end of the bidirectional ball screw, the bidirectional ball screw is perpendicular to the feeding direction, and the first slitting hob is connected with the bidirectional ball screw through the first nut and the second nut.
Preferably, the slitting mechanism further comprises a second driving motor, a first ball screw, a third nut and a second slitting hob, the second driving motor is connected with one end of the first ball screw, the first ball screw is perpendicular to the feeding direction, and the second slitting hob is connected with the first ball screw through the third nut.
Preferably, the mechanism of punching a hole includes synchronous movement's last mould and lower mould, it includes second ball, fourth nut, punching cylinder and dashes the needle to go up the mould, second ball perpendicular to pay-off direction sets up, the punching cylinder passes through the fourth nut and is connected with second ball, punching cylinder drive is towards the needle and is done punching motion along vertical direction, the lower mould includes third driving motor, third ball, fifth nut and accepts soon, third driving motor is connected with the one end of third ball, it is connected with third ball through the fifth nut soon to accept.
Preferably, the dust absorption mechanism includes suction hood and negative pressure device, the bottom of cylinder that punches a hole is located to the suction hood, be equipped with dust absorption mouth and external tapping on the suction hood, the dust absorption mouth is used for absorbing the waste material that the needle that punches a hole produced, the external tapping is connected with negative pressure device.
Preferably, the receiving block is provided with a dust collection groove, and the dust collection groove is connected with the negative pressure device.
Preferably, the feeding mechanism comprises a discharging shaft, a first guide wheel, a second guide wheel and a driving wheel, the prepreg roll is sleeved on the discharging shaft and sequentially bypasses the first guide wheel and the second guide wheel, and the driving wheel drives the prepreg roll to feed forwards.
Preferably, the punching machine further comprises a displacement sensor, and the displacement sensor is arranged between the driving wheel and the punching mechanism.
Preferably, the transverse cutting mechanism comprises a transverse cutting cylinder and a transverse cutter, and the transverse cutting cylinder drives the transverse cutter to cut the prepregs downwards.
Preferably, the receiving mechanism comprises a conveying belt and a receiving groove, and the conveying belt conveys the prepreg subjected to cutting and punching to the receiving groove.
Compared with the prior art, the beneficial effects of the utility model are that:
when the semi-solidified sheet pre-punching machine is used, target hole data and the size of a plate edge are input, the position of a target hole can be automatically calculated by the machine, the semi-solidified sheet is cut by the longitudinal cutting mechanism according to the required width, the cut semi-solidified sheet is respectively punched by the punching mechanism, the waste materials of the punched holes are sucked away by the dust suction mechanism, the semi-solidified sheet is cut by the transverse cutting mechanism according to the required length, and finally the semi-solidified sheet is collected in a centralized manner by the material receiving mechanism, so that the semi-solidified sheet can be cut by one machine and the target hole pre-punching automatic running; the punching cylinder is adopted to drive the punch to punch holes on the single-layer prepreg, and the prepreg is uniformly tensioned by the front roller and the rear roller, so that the sliding, the deviation and the warping of the prepreg can be avoided, the hole site precision can be greatly improved, a numerical control drilling machine can be saved, and the problem of the orifice quality of molten glue and gummosis can be effectively avoided; the feeding length of the driving wheel is monitored by the displacement sensor, so that batch abnormity can be avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a side view of the embodiment shown in FIG. 1
FIG. 3 is a schematic structural view of the slitting mechanism shown in FIG. 1;
fig. 4 is a schematic structural view of the punching mechanism shown in fig. 1.
Description of reference numerals: 1-feeding mechanism, 11-discharging shaft, 12-first guide wheel, 13-second guide wheel, 14-driving wheel, 2-slitting mechanism, 21-first driving motor, 22-bidirectional ball screw, 23-first nut, 24-second nut, 25-first slitting hob, 26-second driving motor, 27-first ball screw, 28-third nut, 29-second slitting hob, 3-punching mechanism, 31-upper die, 311-second ball screw, 312-fourth nut, 313-punching cylinder, 314-punching needle, 32-lower die, 321-third driving motor, 322-third ball screw, 323-fifth nut, 324-receiving block, 3241-dust suction groove, 4-dust suction mechanism, 41-a dust hood, 5-a transverse cutting mechanism, 51-a transverse cutting cylinder, 52-a transverse cutting knife, 6-a material receiving mechanism and 7-a displacement sensor.
Detailed Description
The technical solution provided by the embodiments of the present invention is described in detail below with reference to the accompanying drawings.
Please refer to fig. 1, the utility model provides an automatic punching device that cuts of prepreg, including pan feeding mechanism 1, slitting mechanism 2, the mechanism of punching a hole 3, dust absorption mechanism 4, crosscut mechanism 5 and receiving agencies 6, pan feeding mechanism 1 takes out the direction pay-off along the prepreg coil stock, slitting mechanism 2 cuts the prepreg coil stock along the pay-off direction, mechanism of punching a hole 3 is used for the prepreg to punch a hole, dust absorption mechanism 4 is located on the mechanism of punching a hole 3, a waste material for absorbing the production of punching a hole, crosscut mechanism 5 is used for cutting off the prepreg coil stock after punching a hole, receiving agencies 6 is used for collecting and cuts the prepreg finished product after punching a hole.
The slitting mechanism 2 comprises a first driving motor 21, a bidirectional ball screw 22, a first nut 23, a second nut 24 and first slitting hobs 25, the first driving motor 21 is connected with one end of the bidirectional ball screw 22, the bidirectional ball screw 22 is perpendicular to the feeding direction, the first nut 23 and the second nut 24 are arranged on the bidirectional ball screw 22, the first nut 23 and the second nut 24 are driven by the first driving motor 21 and move synchronously to two ends or the center on the bidirectional ball screw 22, the two first slitting hobs 25 are connected with the bidirectional ball screw 22 through the first nut 23 and the second nut 24, and prepreg rolls are slit along the feeding direction.
The slitting mechanism 2 further comprises a second driving motor 26, a first ball screw 27, a third nut 28 and a second slitting hob 29, the second driving motor 26 is connected with one end of the first ball screw 27, the first ball screw 27 is perpendicular to the feeding direction, the third nut 28 is arranged on the first ball screw 27, and the second slitting hob 26 is connected with the first ball screw 27 through the third nut 28 and splits the prepreg roll stock along the feeding direction.
The punching mechanism 3 comprises an upper die 31 and a lower die 32 which move synchronously, the upper die 31 is arranged above a prepreg roll, and comprises a second ball screw 311, a fourth nut 312, a punching cylinder 313 and a punching needle 314, the second ball screw 311 is arranged perpendicular to the feeding direction, the punching cylinder 313 is connected with the second ball screw 311 through the fourth nut 312, the punching cylinder 313 drives the punching needle 314 to perform punching motion along the vertical direction, the lower die 32 is arranged below the prepreg roll and comprises a third driving motor 321, a third ball screw 322, a fifth nut 323 and a receiving block 324, the third driving motor 321 drives the second ball screw 311 and the third ball screw 322 to rotate synchronously, and the receiving block 324 is connected with the third ball screw 322 through the fifth nut 323.
The dust collection mechanism 4 comprises a dust collection cover 41 and a negative pressure device, the dust collection cover 41 is arranged at the bottom end of the punching cylinder 313, a dust collection port and an external port are arranged on the dust collection cover 41, the dust collection port is used for collecting waste materials generated by punching of the punching needle 314, and the external port is connected with the negative pressure device.
The receiving block 324 is provided with a dust suction groove 3241, and the dust suction groove 3241 is connected with a negative pressure device and used for sucking waste materials generated by punching of the punching needle 314.
The feeding mechanism 1 comprises a discharging shaft 11, a first guide wheel 12, a second guide wheel 13 and a driving wheel 14, prepreg roll materials are sleeved on the discharging shaft 11 and sequentially pass through the first guide wheel 12 and the second guide wheel 13, the horizontal heights of the second guide wheel 13 and the driving wheel 14 are consistent, and a controller calculates a rotation angle through circumference software of the driving wheel 14 and controls the driving wheel 14 to drive the prepreg roll materials to feed forwards.
The automatic punching machine further comprises a displacement sensor 7, wherein the displacement sensor 7 is arranged between the driving wheel 14 and the punching mechanism 3 and used for detecting the actual feeding length of the driving wheel 14 and transmitting data to the controller, and when the actual feeding length is not consistent with the calculated length, the automatic punching machine is stopped and gives an alarm.
The transverse cutting mechanism 5 comprises a transverse cutting cylinder 51 and a transverse cutting knife 52, and the transverse cutting cylinder 51 drives the transverse cutting knife 52 to cut the prepregs downwards.
The material receiving mechanism 6 comprises a transmission belt and a material receiving groove, and the transmission belt conveys the prepreg after cutting and punching to the material receiving groove.
The utility model discloses a theory of operation:
the prepreg feeding direction is defined as an X-axis, the second ball screw direction is defined as a Y-axis,
accurately mounting prepreg roll material on a feeding shaft 11;
inputting cutting size and target hole data, the controller automatically centers the target hole data to the center of the workpiece, calculates the moving distance and transmits the data to the driving wheel 14 and the slitting mechanism 2, the first slitting hob 25 and the second slitting hob 29 adjust the Y-axis position according to the designated width,
the driving wheel 14 drives the prepreg to move to the slitting mechanism 2, and the prepreg is cut by the first slitting hob 25 and the second slitting hob 29;
the driving wheel 14 drives the prepreg to continuously move for feeding forward, when the X-axis coordinate of a target hole on the prepreg is reached, the driving wheel 14 is paused, the prepreg is stopped to be conveyed, the third driving motor 321 drives the upper die 31 to move to the Y-axis coordinate of the target hole along the second ball screw 311, the lower die 32 and the upper die 31 synchronously move, the punching cylinder 313 drives the punching needle 314 to punch downwards, the punching is completed, the dust absorption mechanism 4 absorbs the punched waste, if the rest target holes exist in the Y-axis direction of the X-axis coordinate, the processing is continued until all the target holes in the Y-axis direction are processed;
the driving wheel 14 drives the prepreg to continue feeding, and continues the next punching cycle;
the driving wheel 14 drives the prepreg to continue feeding, when the specified transection X-axis coordinate is reached, the driving wheel 14 stops, and the transection cylinder 51 drives the transection cutter 52 to downwards cut off the prepreg;
the transmission belt on the material receiving mechanism 6 conveys the cut and punched prepregs to a material receiving groove;
and continuing the next processing cycle until the processing is finished.
The above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. Automatic punching device that cuts of prepreg, its characterized in that: including pan feeding mechanism, slitting mechanism, the mechanism of punching a hole, dust absorption mechanism, crosscut mechanism and receiving agencies, pan feeding mechanism is along the direction pay-off of taking out of prepreg coil stock, slitting mechanism cuts prepreg coil stock along the pay-off direction, the mechanism of punching a hole is used for the prepreg to punch a hole, dust absorption mechanism locates on the mechanism of punching a hole, crosscut mechanism is used for cutting off the prepreg coil stock after punching a hole, receiving agencies is used for collecting and cuts the prepreg finished product after punching a hole.
2. The automatic prepreg cutting and punching device according to claim 1, characterized in that: the slitting mechanism comprises a first driving motor, a bidirectional ball screw, a first nut, a second nut and a first slitting hob, wherein the first driving motor is connected with one end of the bidirectional ball screw, the bidirectional ball screw is perpendicular to the feeding direction, and the first slitting hob is connected with the bidirectional ball screw through the first nut and the second nut.
3. The automatic prepreg cutting and punching device according to claim 2, characterized in that: the slitting mechanism further comprises a second driving motor, a first ball screw, a third nut and a second slitting hob, the second driving motor is connected with one end of the first ball screw, the first ball screw is perpendicular to the feeding direction, and the second slitting hob is connected with the first ball screw through the third nut.
4. The prepreg automatic trimming and punching device according to claim 2 or 3, characterized in that: the punching mechanism comprises an upper die and a lower die which move synchronously, the upper die comprises a second ball screw, a fourth nut, a punching cylinder and a punching needle, the second ball screw is perpendicular to the feeding direction, the punching cylinder is connected with the second ball screw through the fourth nut, the punching cylinder drives the punching needle to punch along the vertical direction, the lower die comprises a third driving motor, a third ball screw and a fifth nut and is connected with the third ball screw, and the third driving motor is connected with one end of the third ball screw and is connected with the third ball screw through the fifth nut.
5. The automatic prepreg cutting and punching device according to claim 4, characterized in that: the dust absorption mechanism comprises a dust hood and a negative pressure device, the dust hood is arranged at the bottom end of the punching cylinder, a dust absorption opening and an external interface are arranged on the dust hood, the dust absorption opening is used for absorbing waste materials generated by punching of the punching needle, and the external interface is connected with the negative pressure device.
6. The automatic prepreg cutting and punching device according to claim 5, characterized in that: and a dust suction groove is formed in the bearing block and is connected with the negative pressure device.
7. The automatic prepreg cutting and punching device according to claim 6, characterized in that: the feeding mechanism comprises a discharging shaft, a first guide wheel, a second guide wheel and a driving wheel, wherein the prepreg roll is sleeved on the discharging shaft and sequentially bypasses the first guide wheel and the second guide wheel, and the driving wheel drives the prepreg roll to feed forwards.
8. The automatic prepreg cutting and punching device according to claim 7, characterized in that: still include displacement sensor, displacement sensor locates between action wheel and the punching press mechanism.
9. The prepreg automatic trimming and punching device according to claim 8, wherein: the transverse cutting mechanism comprises a transverse cutting cylinder and a transverse cutter, and the transverse cutting cylinder drives the transverse cutter to downwards cut off the prepregs.
10. The prepreg automatic trimming and punching device according to claim 9, wherein: the receiving mechanism comprises a transmission belt and a receiving groove, and the transmission belt conveys the prepreg after the cutting and punching to the receiving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628153.5U CN211362553U (en) | 2019-09-27 | 2019-09-27 | Automatic cutting and punching device for prepreg |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628153.5U CN211362553U (en) | 2019-09-27 | 2019-09-27 | Automatic cutting and punching device for prepreg |
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| CN211362553U true CN211362553U (en) | 2020-08-28 |
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| CN201921628153.5U Active CN211362553U (en) | 2019-09-27 | 2019-09-27 | Automatic cutting and punching device for prepreg |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625680A (en) * | 2019-09-27 | 2019-12-31 | 奥士康科技股份有限公司 | Automatic cutting and punching device for prepreg |
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- 2019-09-27 CN CN201921628153.5U patent/CN211362553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625680A (en) * | 2019-09-27 | 2019-12-31 | 奥士康科技股份有限公司 | Automatic cutting and punching device for prepreg |
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