CN219768511U - Cutting die and board separating device for electronic circuit board - Google Patents

Abstract

The utility model discloses an electronic circuit board cutting die and a board separating device using the same. The locating plate is arranged above the base, and can reciprocate towards or away from one side of the cutting edge under the action of external force, so that the electronic circuit board to be cut is pressed on the surface of the cutting edge. The stripper plate is connected to the base and at least partially located below the cutting edge, and the stripper plate can reciprocate towards or away from one side of the positioning plate. The cutting die for the electronic circuit board can avoid the situation of clamping plates after board separation to a large extent, is convenient for operators to take boards, and further improves the board separation efficiency of the electronic circuit board.

Description

Cutting die and board separating device for electronic circuit board

Technical Field

The utility model relates to the technical field of electronic circuit board processing, in particular to an electronic circuit board cutting die and a board separating device.

Background

PCB (printed circuit board), a printed wiring board, is one of the important components of the electronics industry. Almost every electronic device, as small as electronic watches, calculators, as large as computers, communication electronic devices, military weapon systems, as long as there are electronic components such as integrated circuits, and for electrically interconnecting the individual components, printed boards are used, which have been extremely widely used in the production and manufacture of electronic products. And (3) feeding the PCB blank through SMT (surface mount technology) or forming the PCBA after a plug-in process. At present, a cutting die is required to be used in the production process of a PCB or a PCBA board so as to divide the connected boards.

In the related art, after the cutting die separates the PCB board or PCBA board, the condition that the panel card is between the lower blade can exist, leads to panel to get the board comparatively difficult, influences the board separation efficiency of PCB board and PCBA board.

Disclosure of Invention

The utility model mainly aims to provide a cutting die for an electronic circuit board, which aims to avoid the condition of clamping plates and improve the board separation efficiency.

In order to achieve the above object, the present utility model provides an electronic circuit board cutting die, which is applied to a board separating device, wherein the board separating device comprises an upper blade, and the electronic circuit board cutting die comprises:

the base is arranged below the upper blade;

the lower blade comprises a lower blade body and a cutting edge connected with the lower blade body, the lower blade body is fixedly connected with the base, and the electronic circuit board can be abutted against the cutting edge;

the locating plate is arranged on the base and can reciprocate towards or away from one side of the cutting edge so as to press the electronic circuit board on the cutting edge; and

and the stripper plate is connected to the base and at least partially positioned below the cutting edge, and can reciprocate towards or away from one side of the positioning plate so as to lift the electronic circuit board towards one side of the positioning plate or enable the electronic circuit board to be abutted to the cutting edge.

Optionally, the stripper plate includes first plate body and first actuating cylinder, first actuating cylinder connect in the base, first plate body transmission connect in first actuating cylinder, first actuating cylinder drives first plate body reciprocating motion.

Optionally, the first plate body is provided with an avoidance hole penetrating through the upper plate surface and the lower plate surface, and the cutting edge can be hidden in the avoidance hole or extend out from the avoidance hole towards one side of the positioning plate.

Optionally, the electronic circuit board cutting die further comprises a guide member, and the guide member is connected to the first board body and the base.

Optionally, the guide piece includes guide pillar and guide pin bushing, the guide pillar fixed connection in the base, and towards locating plate one side extends, the guide pin bushing connect in the first plate body, the guide pillar cover is located in the guide pin bushing.

Optionally, the electronic circuit board is provided with a plurality of limiting holes penetrating through the upper plate surface and the lower plate surface, the stripper plate further comprises a plurality of limiting columns, the limiting columns are arranged on one side of the first plate body, which faces the positioning plate, at intervals, and one limiting column is sleeved in one limiting hole.

Optionally, the base includes base plate, backup pad and mounting panel, the backup pad can dismantle connect in the base plate, the mounting panel can dismantle connect in the backup pad, lower cutter body install in the mounting panel, take off the flitch connect in the mounting panel.

Optionally, the locating plate includes second plate body, second drive cylinder and third drive cylinder, the second drive cylinder install in the base, third drive cylinder transmission connect in the second drive cylinder, the second plate body transmission connect in the telescopic link of third drive cylinder.

The utility model also provides a board separating device which comprises an upper blade and an electronic circuit board cutting die arranged below the upper blade, wherein the electronic circuit board cutting die is the electronic circuit board cutting die.

Optionally, the board separation device further comprises a transferring driving piece, the electronic circuit board cutting die is in transmission connection with the transferring driving piece, and the transferring driving piece drives the electronic circuit board cutting die to reciprocate relative to the upper blade.

According to the technical scheme, the base is arranged below the upper blade, the lower blade body of the lower blade is fixedly connected to the base, and the electronic circuit board to be cut is arranged on the surface of the cutting edge. The locating plate is installed in the top of base, and the locating plate can be towards or keep away from blade one side reciprocating motion under the effect of external force, and promptly when cutting the electronic circuit board, the locating plate moves towards blade one side to the butt is in the face of electronic circuit board deviating from blade one side, firmly suppresses the electronic circuit board in the blade. The stripper plate is connected to the base and at least partially located below the cutting edge, and the stripper plate can reciprocate towards or away from one side of the positioning plate.

In practical application, after the locating plate is fixed in the blade with the electronic circuit board suppression, go up blade and move towards electronic circuit board one side to cut it, after the cutting is accomplished, the locating plate moves towards one side of keeping away from the electronic circuit board, takes off flitch and moves towards locating plate one side, lifts electronic circuit board towards locating plate one side, makes it break away from the blade, thereby avoided the condition that appears the cardboard behind the board to a great extent, the convenient operating personnel gets the board, the board efficiency of the board of dividing of electronic circuit board further promotes.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a cutting die for an electronic circuit board according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the cutting die of the electronic circuit board shown in FIG. 1;

FIG. 3 is an enlarged detail view at A in FIG. 2;

FIG. 4 is a top view of the cutting die of the electronic circuit board shown in FIG. 1;

fig. 5 is a cross-sectional view of the electronic circuit board cutting die shown in fig. 4 along the V-V direction.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 5, the present utility model provides a cutting die 1 for an electronic circuit board.

In the embodiment of the present utility model, the electronic circuit board cutting die 1 is applied to a board separating device (not shown) for cutting the electronic circuit board 2, and it is understood that the electronic circuit board 2 may be a PCB board or a PCBA board, that is, the electronic circuit board cutting die 1 may cut a PCB board, or cut a PCB board after insertion. The plate separating device comprises an upper blade (not shown), wherein the upper blade comprises an upper blade body and a linear driving module, the upper blade body is circular and is connected with the linear driving module in a transmission way, and the upper blade body can rotate relative to the linear driving module.

Specifically, the electronic circuit board cutting die 1 comprises a base 10, wherein the base 10 is installed below an upper cutter body; the lower blade 20 comprises a lower blade body 21 and a cutting edge 22 connected with the lower blade body 21, the lower blade body 21 is fixedly connected with the base 10, and the electronic circuit board 2 can be abutted against the cutting edge 22; a positioning plate 30 mounted above the base 10, wherein the positioning plate 30 can reciprocate toward or away from the side of the cutting edge 22; the stripper plate 40 is connected to the base 10 and at least partially located below the cutting edge 22, and the stripper plate 40 can reciprocate toward or away from the positioning plate 30, so as to lift the electronic circuit board 2 toward the positioning plate 30, or make the electronic circuit board 2 abut against the cutting edge 22.

In this embodiment, the electronic circuit board cutting die 1 may be matched with an upper blade for cutting a plurality of connected electronic circuit boards 2, wherein the base 10 includes a base plate 11, a support plate 12 and a mounting plate 13. The base plate 11, the support plate 12 and the mounting plate 13 are formed by machining metal profiles, the whole base plate 11 is rectangular, the support plate 12 is fixedly arranged on the base plate 11 through a screw structure, a plurality of dust collection holes (not shown) are formed in the surface of the base plate 11 through machining, and an external air source absorbs scraps and dust after the electronic circuit board cutting die 1 is separated into plates through the dust collection holes so as to keep the electronic circuit board cutting die 1 clean and further improve the yield of the electronic circuit board 2 separated into plates. The support plate 12 is provided with a plurality of lightening holes, so that the overall quality and the consumable materials of the electronic circuit board cutting die 1 are reduced while the overall strength of the electronic circuit board cutting die 1 is ensured, and the electronic circuit board cutting die 1 is convenient to store and transport. The mounting plate 13 is likewise fixed to the support plate 12 by means of screw connections, i.e. the mounting plate 13, the support plate 12, the base plate 11 are arranged in a stack in the height direction.

The lower cutter body 21 and the cutting edge 22 of the lower cutter blade 20 are integrally formed, the lower cutter body 21 is rectangular, and is mounted on the mounting plate 13, specifically, a plurality of mounting grooves are formed in the mounting plate 13, the groove width of each mounting groove is slightly smaller than the thickness of the lower cutter body 21, and part of the lower cutter body 21 is clamped into each mounting groove to fixedly connect the two. Thus, the lower blade 20 is not only firmly installed, but also has a simple structure.

It should be noted that, when the electronic circuit board 2 to be cut is produced, the upper and lower board surfaces are both provided with cutting grooves, the cross section of the cutting grooves is in a V shape, and the cutting grooves extend on the surface of the electronic circuit board 2. It will thus be appreciated that the path of extension of the cutting edge 22 when mounted on the mounting plate 13 is identical to the path of extension of the cutting slot in which the cutting edge 22 is received when the electronic circuit board 2 to be cut is placed on the lower blade 20. The cutting die 1 for the electronic circuit board has higher cutting precision and better effect on the electronic circuit board 2.

In an embodiment, the positioning plate 30 is mounted above the base 10, and the positioning plate 30 can reciprocate toward or away from the side of the cutting edge 22 under the action of external force, i.e. when the electronic circuit board 2 is cut, the positioning plate 30 moves toward the side of the cutting edge 22 and abuts against the surface of the side of the electronic circuit board 2 away from the cutting edge 22, so as to firmly press the electronic circuit board 2 on the surface of the cutting edge 22. The stripper plate 40 is connected to the base 10 and at least partially below the cutting edge 22, and the stripper plate 40 can reciprocate toward or away from the positioning plate 30. In practical application, after the locating plate 30 presses the electronic circuit board 2 on the cutting edge 22, the linear driving module drives the upper cutter body to roll in the cutting groove on the upper surface of the electronic circuit board 2 so as to cut the electronic circuit board 2, and after the electronic circuit board 2 is cut, the stripper plate 40 moves towards one side of the locating plate 30 to lift the electronic circuit board 2 towards one side of the locating plate 30, so that the electronic circuit board 2 is separated from the cutting edge 22, the situation that a clamping plate appears after board separation is avoided to a large extent, an operator can conveniently take out boards, and the board separation efficiency of the electronic circuit board 2 is further improved.

In the present utility model, the positioning board 30 is provided with a through hole (not shown) penetrating the upper and lower board surfaces thereof, and the extending track of the through hole is the same as the track of the cutting groove on the upper surface of the electronic circuit board 2, so that the upper cutter body can be abutted against the upper surface of the electronic circuit board 2 through the through hole, and then cut the upper cutter body. Meanwhile, in the utility model, the electronic circuit board 2 can be firmly fixed in the cutting process by arranging the positioning plate 30, so that the condition that the electronic circuit board 2 is subjected to springboard in the cutting process is avoided, the board separating efficiency is improved, and meanwhile, the board separating yield is higher.

Referring to fig. 2 and 5 again, in an embodiment of the present utility model, the stripper plate 40 includes a first plate 41 and a first driving cylinder 42, specifically, the first plate 41 of the stripper plate 40 is also formed by machining a metal profile, the stripper plate 40 includes two first driving cylinders 42, the two first driving cylinders 42 are respectively fixed on opposite sides of the base plate 11 through screw structures, the first plate 41 is connected to a telescopic rod of the first driving cylinder 42, and the first driving cylinders 42 drive the first plate 41 to move up and down. According to the utility model, the first plate 41 is driven to move up and down by the first driving air cylinder 42, so that the structure is simple, the cut electronic circuit board 2 can be effectively separated from the cutting edge 22, and an operator can conveniently take the board.

In the present utility model, when the first plate 41 is at the lowest point, the highest point of the first plate 41 should be located below the highest point of the cutting edge 22 in the vertical direction, and when the first driving cylinder 42 drives the first plate 41 to the highest point, the highest point of the first plate 41 should be located above the highest point of the cutting edge 22 in the vertical direction, so that the cutting and demolding of the electronic circuit board 2 can be ensured to be smooth.

Referring to fig. 3 again, in an embodiment of the present utility model, the first plate 41 is provided with a relief hole 41a penetrating through the upper and lower plate surfaces, wherein the shape of the relief hole 41a is adapted to the shape of the lower cutter body 21, and the position of the relief hole is adapted to the position of the cutting edge 22. In practical application, in the initial state, the part of the cutting edge 22 extends outwards from the avoidance hole 41a, that is, the cutting edge 22 is exposed at the upper opening of the avoidance hole 41a, and the electronic circuit board 2 is placed on the cutting edge 22. When the cutting of the electronic circuit board 2 is completed, the first driving cylinder 42 drives the first board 41 to move upwards, the whole first board 41 lifts the electronic circuit board 2 upwards, so that the electronic circuit board 2 is separated from the cutting edge 22, and the cutting edge 22 is gradually hidden in the avoidance opening. According to the utility model, by arranging the avoiding hole 41a, the interference between the cutting edge 22 and the first plate 41 can be avoided, the contact area between the electronic circuit board 2 and the first plate 41 can be improved to the greatest extent, and the stress is uniform when the electronic circuit board 2 is lifted.

Further, the electronic circuit board cutting die 1 further includes a guide member 50, and the guide member 50 is connected to the first board 41 and the base 10. Specifically, the guide member 50 includes a guide post 51 and a guide sleeve 52, the guide post 51 is fixedly connected to the base 10 and extends toward one side of the positioning plate 30, the guide sleeve 52 is connected to the first plate 41, and the guide post 51 is sleeved in the guide sleeve 52. According to the utility model, the guide post 51 and the guide sleeve 52 are arranged to guide and limit the first plate 41, so that the acting force of the first plate 41 for lifting the cut electronic circuit board 2 is more uniform, the situation that the first plate 41 is blocked can be avoided, and the working stability of the electronic circuit board cutting die 1 is higher.

Furthermore, the electronic circuit board 2 is provided with a plurality of limiting holes 2a penetrating through the upper and lower plate surfaces thereof, the plurality of limiting holes 2a are formed by machining, and the setting positions and the number of the limiting holes are set according to actual needs. The stripper plate 40 further includes a plurality of limiting posts 43, and a plurality of the limiting posts 43 and the first plate 41 are integrally formed, where the limiting posts 43 may be detachably connected with the first plate 41 through a screw structure. The plurality of limiting posts 43 are arranged at intervals on one side of the first plate 41 facing the positioning plate 30, and when the electronic circuit board 2 is arranged on the first plate 41, one limiting post 43 is sleeved in one limiting hole 2 a. According to the utility model, through the limiting column 43, on one hand, the limiting effect on the electronic circuit board 2 can be achieved, the lower blade 20 can accurately cut the electronic circuit board 2, and on the other hand, through the limiting effect of the limiting column 43, the displacement generated by the stress of the electronic circuit board 2 when the positioning board 30 is pressed on the surface of the electronic circuit board 2 can be avoided, and the cutting precision of the electronic circuit board 2 is further improved.

Referring to fig. 3 again, in an embodiment, the first board body 41 is concavely formed with a plurality of avoidance notches 41b towards the board surface of the positioning board 30, and specifically, the avoidance notches 41b are adapted to the positions and shapes of the electronic elements on the surface of the electronic circuit board 2, that is, the positions and shapes of the inserts on the PCBA board.

When the electronic circuit board 2 is placed on the surface of the lower blade 20, the first board 41 is located below the electronic circuit board 2, and the plurality of clearance notches 41b are used for clearance of the electronic element of the electronic circuit board 2 on the lower surface of the first board to prevent the electronic circuit board 2 from being crushed during cutting, thereby further improving the cutting yield of the electronic circuit board 2.

Further, the base 10 further includes a positioning pin 14, the board edge of the electronic circuit board 2 is provided with positioning holes 2b, the positioning pin 14 is adapted to the number of the positioning holes 2b, and when the electronic circuit board 2 is placed on the cutting edge 22, the positioning pin 14 is embedded in the positioning holes 2b to position the electronic circuit board 2. In the utility model, the positioning pin 14 is matched with the positioning hole 2b of the electronic circuit board 2, so that the cutting precision of the electronic circuit board 2 can be further improved.

In one embodiment, the positioning plate 30 includes a second plate body, a second driving cylinder and a third driving cylinder, wherein the second driving cylinder is installed on the base 10, the third driving cylinder is in transmission connection with the second driving cylinder, and the second plate body is in transmission connection with a telescopic rod of the third driving cylinder. The second driving cylinder drives the third driving cylinder to lift, and the third driving cylinder drives the second plate body to move relative to the electronic circuit board 2 along the horizontal direction. In a specific application, after the electronic circuit board 2 is cut, the second driving cylinder drives the third driving cylinder to lift upwards, so that the second board body releases the electronic circuit board 2, and then the third driving cylinder drives the second board body to move in the horizontal direction, so that the second board body is staggered from the electronic circuit board 2 and exposed, and the manipulator or the manual grabbing is facilitated.

The utility model also provides a board separating device (not shown), which comprises an upper blade and an electronic circuit board cutting die 1, wherein the specific structure of the electronic circuit board cutting die 1 refers to the embodiment, and the board separating device adopts all the technical schemes of all the embodiments, so that the board separating device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted.

In an alternative embodiment, the board separating device further includes a transfer driving member, where the transfer driving member may be a cylinder, a linear module, or a robot. The electronic circuit board cutting die 1 is connected with the transfer driving piece in a transmission way, and the transfer driving piece drives the electronic circuit board cutting die 1 to reciprocate relative to the upper blade. That is, when the electronic circuit board 2 is cut, the transferring driving member places the electronic circuit board cutting die 1 under the upper blade, and the transferring driving member can drive the electronic circuit board cutting die 1 to the feeding station during feeding. The automation degree of the board separating device is higher, and the board separating efficiency of the electronic circuit board 2 is further improved.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. The utility model provides an electronic circuit board cutting die is applied to the board separation device, the board separation device includes the upper blade, its characterized in that, electronic circuit board cutting die includes:

the base is arranged below the upper blade;

the lower blade comprises a lower blade body and a cutting edge connected with the lower blade body, the lower blade body is fixedly connected with the base, and the electronic circuit board can be abutted against the cutting edge;

the locating plate is arranged on the base and can reciprocate towards or away from one side of the cutting edge so as to press the electronic circuit board on the cutting edge; and

and the stripper plate is connected to the base and at least partially positioned below the cutting edge, and can reciprocate towards or away from one side of the positioning plate so as to lift the electronic circuit board towards one side of the positioning plate or enable the electronic circuit board to be abutted to the cutting edge.

2. The electronic circuit board cutting die of claim 1, wherein the stripper plate comprises a first plate body and a first driving cylinder, the first driving cylinder is connected to the base, the first plate body is in transmission connection with the first driving cylinder, and the first driving cylinder drives the first plate body to reciprocate.

3. The die for the electronic circuit board according to claim 2, wherein the first plate body is provided with an avoidance hole penetrating through the upper plate surface and the lower plate surface, and the cutting edge can be hidden in the avoidance hole or extend out from the avoidance hole towards one side of the positioning plate.

4. The electronic circuit board cutting die of claim 2, further comprising a guide member coupled to the first plate body and the base.

5. The die for electronic circuit boards according to claim 4, wherein the guide member comprises a guide post and a guide sleeve, the guide post is fixedly connected to the base and extends toward one side of the positioning plate, the guide sleeve is connected to the first plate body, and the guide post is sleeved in the guide sleeve.

6. The die for cutting electronic circuit boards as claimed in claim 2, wherein the electronic circuit board is provided with a plurality of limiting holes penetrating through the upper and lower plate surfaces thereof, the stripper plate further comprises a plurality of limiting posts, the plurality of limiting posts are arranged at intervals on one side of the first plate body facing the positioning plate, and one limiting post is sleeved in one limiting hole.

7. The electronic circuit board cutting die of any one of claims 1 to 6, wherein the base comprises a base plate, a support plate and a mounting plate, the support plate is detachably connected to the base plate, the mounting plate is detachably connected to the support plate, the lower cutter body is mounted to the mounting plate, and the stripper plate is connected to the mounting plate.

8. The electronic circuit board cutting die according to any one of claims 1 to 6, wherein the positioning plate comprises a second plate body, a second driving cylinder and a third driving cylinder, the second driving cylinder is mounted on the base, the third driving cylinder is in transmission connection with the second driving cylinder, and the second plate body is in transmission connection with a telescopic rod of the third driving cylinder.

9. A board separation device, comprising an upper blade and an electronic circuit board cutting die arranged below the upper blade, wherein the electronic circuit board cutting die is the electronic circuit board cutting die according to any one of claims 1 to 8.

10. The board separation device of claim 9, further comprising a transfer drive, wherein the electronic circuit board cutting die is drivingly connected to the transfer drive, and wherein the transfer drive drives the electronic circuit board cutting die to reciprocate relative to the upper blade.