JP2012234845A - Insertion device and method of press-fit terminal, manufacturing method of coupling product of press-fit terminal and substrate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insertion device of a press-fit terminal capable of inserting a press-fit terminal easily into the insertion hole of a substrate, and capable of grasping the insertion state surely, and to provide an insertion method, and a manufacturing method of a coupling product of a press-fit terminal and a substrate.SOLUTION: An insertion device 1 of a press-fit terminal includes a substrate pressing member 41 located on the reverse side of a pin 34 before insertion while holding a substrate 21 therebetween, and pressing the substrate 21 toward a connector 22 without contacting the pin 34, a terminal press-fit member 43 located on the reverse side of the substrate pressing member 41 while holding the substrate 21 therebetween, and pressing the pin 34 toward the substrate 21, and a determination unit 45 which determines, for each pin 34, whether or not the displacement of the terminal press-fit member 43 falls within a predetermined acceptable range, when the pin 34 is inserted into a through hole 31 of the substrate 21 by means of the substrate pressing member 41 and the terminal press-fit member 43.

Description

  The present invention relates to a press-fit terminal insertion device and method for inserting a press-fit terminal provided in a connector or the like into an insertion hole of a substrate, etc., and a press-fit terminal and a substrate manufactured by inserting the press-fit terminal. The present invention relates to a method for manufacturing a combined product. More specifically, the present invention relates to a press-fit terminal insertion device and method for confirming the insertion state of the press-fit terminal when inserting the press-fit terminal into the insertion hole, and a method of manufacturing a combined product of the press-fit terminal and the substrate. Is.

  2. Description of the Related Art Conventionally, connectors having press-fit terminals are known as connectors used by being attached to a substrate or the like. Such a connector is connected by press-fitting a press-fit terminal formed slightly wider than the through-hole diameter into a through-hole provided in the substrate. And it is known that the press-fit terminal insertion state can be detected by, for example, a press-fit load during press-fit.

  As a technique for detecting the insertion state, conventionally, a load at the time of press-fitting is measured by using a pressure sensor or the like, thereby determining whether the insertion state is good or not (see, for example, Patent Document 1). .) However, there are cases where a connector having a plurality of terminals provided on one main body is collectively press-fitted into a substrate having a plurality of insertion holes. On the other hand, the above detection method cannot accurately grasp whether or not each of the plurality of press-fit terminals is normally press-fitted.

  On the other hand, Patent Document 2 discloses a technique in which a guide member is inserted into each insertion hole. In this document, each terminal can be guided to the center of each insertion hole by inserting the leading end portion of each terminal in contact with the guide member. Furthermore, the insertion state of each terminal can be managed by measuring the insertion load applied to each guide member.

JP-A-8-330792 JP 2005-197173 A

  However, in the technique of the above-mentioned Patent Document 2, the guide member is moved in contact with the wall surface of the insertion hole or the tip of each terminal. Therefore, the state of the contact surface between the insertion hole and the terminal may change. For example, contact between the guide member and the wall surface of the insertion hole may cause deformation of the insertion hole or generation of metal debris. In addition, the tip of the terminal may be deformed by contact with the terminal. In these cases, the initial performance and durability performance after insertion deteriorated, and it was difficult to ensure stable quality during mass production.

  In addition, in the conventional inspection method, even if the terminal diameter is slightly smaller than the diameter of the insertion hole, this cannot be detected. However, in such a case, there is a possibility that sufficient contact pressure between the terminal and the wall surface of the insertion hole is not obtained even if conduction is ensured in the initial stage by some contact. That is, there is a high possibility that the durability quality is insufficient.

  The present invention has been made to solve the above-described problems of the prior art. That is, the problem is that the press-fit terminal can be easily inserted into the insertion hole of the board and the insertion state of the press-fit terminal and its method can be grasped with certainty, and the connection between the press-fit terminal and the board. It is in providing the manufacturing method of goods.

  In order to solve this problem, the press-fit terminal insertion device according to the present invention includes a plurality of insertion holes in the board, and an insertion portion, a leg portion, and a width between the insertion portion and the leg portion. A press-fit terminal insertion device for inserting an inserted portion of a press-fit terminal having a central portion, which is located on the opposite side of the press-fit terminal before insertion with a substrate interposed therebetween, without contacting the press-fit terminal A first pressing member that presses the substrate toward the press-fit terminal, a pressing base that is located on the opposite side of the first pressing member across the substrate, and a pressing base that is provided for each press-fit terminal according to the arrangement thereof, The press-fit terminal is inserted into the insertion hole of the substrate by the plurality of second pressing members that press the press-fit terminal toward the substrate at the tip, and the first pressing member and the second pressing member. A displacement determination unit that determines for each second pressing member whether or not the displacement of the tip of the second pressing member relative to the pressing base is within a predetermined good range. Cantilevered shape with flexible neck and tip that is located at the tip and has a bifurcated tip that presses the center of the press-fit terminal toward the board while sandwiching the leg of the press-fit terminal It is composed of.

  According to the press-fit terminal insertion device of the present invention, the press-fit terminal is inserted into the insertion hole of the substrate by the first pressing member and the second pressing member. At that time, there is no such thing as a guide member that contacts the tip of the press-fit terminal. Furthermore, since the displacement determination unit determines whether or not the displacement of the distal end portion of the second pressing member with respect to the pressing base is within a favorable range, it is possible to determine whether or not the displacement is inserted at a favorable position. Therefore, the press-fit terminal can be easily inserted into the insertion hole of the substrate, and the insertion state can be surely grasped.

Furthermore, in the present invention, it is desirable that the displacement determination unit performs the determination based on whether or not the laser light is shielded by the tip of the second pressing member.
If it is such, the insertion state of a terminal can be grasped | ascertained reliably based on the displacement with respect to the press base of the front-end | tip part of a 2nd press member.

Or in this invention, a displacement determination part acquires the alternating current which flows between them, when the alternating voltage is applied between the electrode each provided in the front-end | tip part and pressing base part of a 2nd press member, and an electrode. The displacement detection unit detects the displacement of the distal end portion of the second pressing member relative to the pressing base when the press-fit terminal is inserted into the insertion hole of the substrate by the first pressing member and the second pressing member, and the displacement detecting unit And a determination unit that determines whether or not the detected displacement is within a predetermined good range.
Even if it is such, the displacement with respect to the press base of the front-end | tip part of a 2nd press member can be detected correctly. Therefore, the insertion state of the terminal can be reliably grasped.

Or in this invention, a displacement determination part acquires the alternating voltage induced by the other when the alternating voltage is applied to one side of the coil respectively provided in the front-end | tip part and pressing base part of a 2nd press member Accordingly, a displacement detection unit that detects a displacement of the distal end portion of the second pressing member with respect to the pressing base when the press-fit terminal is inserted into the insertion hole of the substrate by the first pressing member and the second pressing member, and a displacement detection unit And a determination unit that determines whether or not the displacement detected by the above is within a predetermined good range.
Even if it is such, the displacement with respect to the press base of the front-end | tip part of a 2nd press member can be detected correctly. Therefore, the insertion state of the terminal can be reliably grasped.

In the present invention, it is desirable that the displacement detector applies an alternating voltage of at least one of application time, frequency, and waveform to the adjacent second pressing member.
If it is in this way, it will be prevented by the adjacent 2nd pressing member that it receives interference with a detection result. Therefore, it is possible to accurately detect the displacement of the distal end portion with respect to the pressing base portion for each second pressing member.

  The present invention also includes an insertion portion, a leg portion that is bent and connected to the insertion portion, and a insertion portion and a central portion that is wider than the insertion portion and the leg portion. This is a press-fit terminal insertion device for inserting a part to be inserted of a press-fit terminal having a position on the opposite side of the press-fit terminal before insertion with the board interposed therebetween, and presses the board without contacting the press-fit terminal. The first press member that presses toward the fit terminal and the leg of the press fit terminal that is positioned on the opposite side of the first press member with the board interposed therebetween, and that is pushed into the insertion hole of the press fit terminal into the insertion hole of the board. The first pressing member side from the substrate of the inserted portion after the inserted portion of the press-fit terminal is inserted into the insertion hole of the substrate by the leg pressing member that presses the portion, the first pressing member and the leg pressing member Clash Amount, whether within the bounds of predetermined, or may be a insertion device of the press-fit terminal and a determining protrusion amount determination portion for each press-fit terminal.

If it is such, if the insertion part of a press fit terminal contacts the insertion hole of a board | substrate by the press by a 1st press member and a leg part press member, a leg part may be bent further. it can. In this case, if the diameter of the inserted portion of the press-fit terminal is too small compared to the diameter of the insertion hole, the leg portion is inserted without further bending. Therefore, the amount of protrusion of the inserted portion from the substrate toward the first pressing member becomes larger than a predetermined upper limit. Therefore, according to the present invention, it is possible to grasp the occurrence of a defect in which the diameter of the inserted portion of the press-fit terminal is too small compared to the diameter of the insertion hole.

Furthermore, the present invention is provided in accordance with the arrangement of each press-fit terminal, and when inserting the inserted portion of the press-fit terminal into each of the plurality of insertion holes of the substrate by the first pressing member and the leg pressing member. A plurality of second pressing members that regulate the distance from the substrate of the end portion on the leg pressing member side of the center portion by pressing the end portion on the leg pressing member side of the center portion toward the substrate. The second pressing member is cantilevered by a neck portion and a tip portion that is formed at the tip, the tip portion is formed in a fork, and the center portion of the press-fit terminal is regulated while sandwiching the leg portion of the press-fit terminal. It is desirable that it is configured.
If it is such, it will prevent that the distance from the board | substrate of the edge part by the side of the leg part pressing member of an insertion part becomes large too much. Therefore, the legs are prevented from bending more than necessary.

  The present invention also relates to a method of inserting a press-fit terminal into which a press-fit terminal is inserted into each of a plurality of insertion holes of a substrate. The press-fit terminal includes an inserted part, a leg part connected to the inserted part, It has a inserted part and a central part that is wider than the leg part, and has a width before insertion of the inserted part that is larger than the diameter of the insertion hole. A first pressing member that presses the substrate toward the press-fit terminal without contacting the press-fit terminal is disposed on the opposite side, and the center portion of each press-fit terminal is disposed on the opposite side of the first pressing member across the substrate. For each press-fit terminal, a pressing base for holding the bases of a plurality of second pressing members is arranged for each press-fit terminal. A cantilever-shaped neck part and a holding part that presses the center part of the press-fit terminal while sandwiching the leg part of the press-fit terminal. By using the first pressing member and the pressing base to press the substrate and the press-fit terminal, the displacement of the tip of the second pressing member is detected and detected when the press-fit terminal is inserted into the insertion hole of the substrate. This also extends to a press-fit terminal insertion method for determining for each second pressing member whether or not the displacement to be performed is within a predetermined good range.

  The present invention also relates to a method for inserting a press-fit terminal into which a press-fit terminal is inserted into each of a plurality of insertion holes of a substrate, and as the press-fit terminal, an inserted portion and a leg that is bent and connected to the inserted portion. And a central part wider than the insertion part and the leg part between them, and the width of the insertion part before insertion is larger than the diameter of the insertion hole, and before insertion with the board in between A first pressing member that presses the substrate toward the leg of the press-fit terminal without contacting the press-fit terminal is disposed on the opposite side of the press-fit terminal, and on the opposite side of the first pressing member across the substrate. The leg pressing member that presses the leg portion of the press-fit terminal is arranged in the direction in which the inserted portion of the press-fit terminal is pushed into the insertion hole of the substrate, and the substrate and the press-fit are formed by the first pressing member and the leg pressing member. end By pressing, the insertion part of the press-fit terminal is inserted into the insertion hole of the board while the width of the insertion part is reduced by the wall surface of the insertion hole and the connection part between the center part and the leg part is further bent. Whether the protrusion of the inserted portion from the substrate to the first pressing member side after inserting the inserted portion of the press-fit terminal into the insertion hole of the substrate is within a predetermined upper and lower limit range. This also extends to the press-fit terminal insertion method for determining each press-fit terminal.

  The present invention also relates to a method of manufacturing a combined product of a press-fit terminal and a substrate by inserting press-fit terminals into a plurality of insertion holes of the substrate, respectively, and the inserted portion and the inserted Use a board that has a leg part connected to the part and a part between the leg part to be inserted and a center part that is wider than the leg part, and the width of the part to be inserted before insertion is larger than the diameter of the insertion hole. A first pressing member that presses the substrate toward the press-fit terminal without contacting the press-fit terminal is disposed on the opposite side of the press-fit terminal before insertion, and is opposite to the first pressing member with the substrate interposed therebetween. In addition, a pressing base for holding the bases of a plurality of second pressing members provided in accordance with the arrangement of each press-fit terminal is arranged so that the center of each press-fit terminal is pressed toward the substrate. As the second pressing member, a flexible neck portion and a holding portion that is positioned at the tip of the neck portion and that has a bifurcated tip and presses the center portion of the press-fit terminal while sandwiching the leg portion of the press-fit terminal. When the press-fit terminal is inserted into the insertion hole of the substrate by using a cantilever-shaped one and pressing the substrate and the press-fit terminal with the first pressing member and the pressing base, the second pressing member The method of manufacturing a combined product of a press-fit terminal and a substrate that detects, for each second pressing member, whether or not the detected displacement is within a predetermined good range. It reaches.

  The present invention also relates to a method of manufacturing a combined product of a press-fit terminal and a substrate by inserting press-fit terminals into a plurality of insertion holes of the substrate, respectively, and the inserted portion and the inserted A leg part that is bent and connected to the part, and the inserted part and the central part that is wider than the leg part, and the width of the inserted part before insertion is larger than the diameter of the insertion hole The first pressing member that presses the board toward the legs of the press-fit terminal without contacting the press-fit terminal is arranged on the opposite side of the press-fit terminal before insertion with the board interposed therebetween. On the opposite side of the first pressing member, a leg pressing member that presses the leg portion of the press-fit terminal is arranged in a direction to push the inserted portion of the press-fit terminal into the insertion hole of the substrate. Pressing part By pressing the board and the press-fit terminal, the width of the inserted part is reduced by the wall surface of the insertion hole, and the connection part between the center part and the leg part is further bent, and the fitting part is press-fitted into the insertion hole. After inserting the inserted portion of the terminal and inserting the inserted portion of the press-fit terminal into the insertion hole of the substrate, the protrusion amount of the inserted portion from the substrate to the first pressing member side is a predetermined upper and lower limit. It extends to a method for manufacturing a combined product of a press-fit terminal and a substrate, which determines whether or not it is within the range for each press-fit terminal.

  Further, in the present invention, a plurality of second pressing members that press the end of the central leg pressing member side toward the substrate on the opposite side of the first pressing member across the substrate are provided for each press-fit terminal. The second pressing member is arranged in accordance with the arrangement, and the second pressing member has a neck portion, a tip portion positioned at the tip thereof, a tip portion formed in a fork, and a center portion of the press-fit terminal while sandwiching the leg portion of the press-fit terminal; When the insertion portion of the press-fit terminal is inserted into each of the plurality of insertion holes of the substrate by the first pressing member and the leg pressing member, the second pressing member is used. Therefore, it is desirable to regulate the distance from the substrate of the end portion on the leg pressing member side at the center of each press-fit terminal.

  According to the press-fit terminal insertion device and method of the present invention and the manufacturing method of the combined product of the press-fit terminal and the substrate, the press-fit terminal can be easily inserted into the insertion hole of the substrate and the insertion state is ensured. Can grasp.

It is explanatory drawing which shows the insertion process of a reference form. It is a perspective view which shows the terminal press-fit member of a reference form. It is a side view which shows the terminal press-fit member of a reference form. It is a graph which shows the relationship between time and a load. It is a flowchart figure which shows an insertion procedure. It is explanatory drawing which shows another example of the terminal press-fit member of a reference form. It is explanatory drawing which shows the measuring device of the displacement amount of a 1st form. It is a graph which shows the relationship between the displacement amount and load of a 1st form. It is explanatory drawing which shows the measuring device of the displacement amount of a 2nd form. It is a circuit diagram built in the inspection apparatus of the 2nd form. It is a graph which shows the relationship between an electric current value and the reciprocal number of distance. It is a circuit diagram built in the inspection apparatus of the 3rd form. It is a graph which shows the relationship between a voltage value and the reciprocal number of distance. It is explanatory drawing which shows the example of the voltage waveform which changed the application time. It is explanatory drawing which shows the example of the voltage waveform which changed the frequency. It is explanatory drawing which shows the example of the voltage waveform which changed the waveform. It is explanatory drawing which shows the pin shape of the connector which concerns on a 4th form. It is explanatory drawing which shows the insertion process of a 4th form. It is explanatory drawing which shows the insertion state of a 4th form. It is explanatory drawing which shows the insertion state of a 4th form.

<Reference form>
DESCRIPTION OF EMBODIMENTS Hereinafter, a reference embodiment embodying the present invention will be described in detail with reference to the accompanying drawings. In the present embodiment, the present invention is applied to an insertion apparatus and method for attaching a connector having a plurality of press-fit terminals to a substrate having a plurality of through holes.

The insertion device 1 of this embodiment is for connecting the board 21 and the connector 22 shown in FIG. First, the substrate 21 and the connector 22 that are connected to each other in this embodiment will be described. The substrate 21 is a wiring substrate in which a plurality of through holes 31 are formed. On the wall surface and the periphery of the through hole 31, a conduction portion 32 is formed by metal plating or the like. The through holes 31 are arranged in one or a plurality of rows according to the pin arrangement of the connector 22 to be connected. Here, the five through holes 31 are arranged on a straight line at equal intervals.

In the connector 22, a plurality of pins 34 are disposed on one main body portion 33. Each pin 34 is a so-called press-fit terminal. Here, as shown in FIG. 1, a plate-like member is bent, and has a tip portion 34a, a central portion 34b, and a leg portion 34c.
The distal end portion 34a is a frame-shaped portion that has a through hole 34d at the center and surrounds the periphery of the through hole 34d. The central part 34b is a part formed wider than the tip part 34a and the leg part 34c. The leg part 34c penetrates the main body part 33, is exposed to the lower side in the figure of the main body part 33, and serves as a connector terminal for connection to other members.

In this embodiment, conduction is achieved by press-fitting the tip end portion 34 a of the pin 34 of the connector 22 into the through hole 31 of the substrate 21. That is, each pin 34 is formed such that the width of the tip 34 a (the outer width of the widest portion) is slightly larger than the diameter of the through hole 31. And by the press-fitting, the tip end portion 34a of each pin 34 is inserted into the through hole 31 while the through hole 34d is compressed and deformed in the width direction. Then, the tip 34 a is pressed against the conduction portion 32 from the inside of the through hole 31 by the elastic force, so that the pin 34 and the through hole 31 are pressed.
Is conducted.

As shown in FIG. 1, the insertion device 1 of this embodiment includes a substrate pressing member 41 and a terminal position correcting member 42.
The terminal press-fitting member 43 is provided. Further, a pressing member 44 that presses the substrate pressing member 41,
It has the determination part 45 which determines the press-fit state by the terminal press-fitting member 43. The pressing member 44 is
The substrate pressing member 41 is pressed downward in the figure so as to push down the substrate 21 to a predetermined position. The determination unit 45 determines whether the value of the load when the pin 34 is press-fitted into the through hole 31 is within a favorable range.

The substrate pressing member 41 is for transmitting the pressing force of the pressing member 44 to the substrate 21.
The board pressing member 41 is moved to a position indicated by a two-dot chain line in FIG. 1, and the upper surface (the connector 22 is arranged in the figure) of the board 21 outside the region surrounding all the through holes 31 corresponding to the connector 22. Abutted against the opposite surface). The substrate pressing member 41 is formed in an arch shape and is pressed perpendicularly to the surface of the substrate 21. The width and height of the arch portion are large enough not to contact the apex 34e of the pin 34 after press-fitting and the conduction portion 32 of the through hole 31.

The terminal position correction member 42 corrects the position of the main body portion 33 of the connector 22 so as to be an appropriate position with respect to the board 21. In other words, in this embodiment, the terminal position correction member 42 is used to align the pins 34 and the through holes 31 so that the substrate 21 and the upper surface of the main body 33 are substantially parallel.

Further, as shown in FIG. 1, the terminal press-fitting member 43 is formed with a terminal holding portion 52 corresponding to the arrangement of each pin 34 protruding from the base portion 51 for each pin 34. Each of the terminal holding parts 52 has a neck part 52a and a holding part 52b. The holding part 52b is formed with a bifurcated tip so as to sandwich the leg part 34c of the pin 34. The base 51 is made of a material having high rigidity, and the terminal holding portion 52, particularly the neck portion 52a, is made of a material having lower rigidity. The terminal holding part 52 is formed of a flexible material at least in the neck part 52a. Therefore, the terminal press-fitting member 43 of this embodiment has a cantilever shape.

In the terminal press-fitting member 43 of this embodiment, a strain gauge type load sensor 61 is provided on the upper surface (surface on the side of the substrate 21) of the neck portion 52a of each terminal holding portion 52, as shown in FIGS. ing. Since the terminal press-fitting member 43 has a cantilever shape, the neck portion 52a is distorted according to the load applied to the holding portion 52b of the terminal holding portion 52 which is the tip portion. The strain amount of the neck 52a can be grasped by the load sensor 61. Therefore, the value of the load applied to each terminal holding part 52 is acquired individually.

Next, an insertion operation when each pin 34 of the connector 22 is inserted into each through hole 31 of the substrate 21 using each member of this embodiment will be described. First, the terminal press-fitting member 43 or the connector 22 is moved, and the upper surface 52c of the holding portion 52b of each terminal holding portion 52 is moved to the central portion 3 of the pin 34.
4b is brought into contact with the lower end 34f, and the leg 34c of each pin 34 is sandwiched between two forks (see FIG. 2). Further, the terminal position correction member 42 is brought into contact with the pin 34 from the opposite side across the terminal press-fitting member 43 and the pin 34. Thereby, each pin 34 is pinched by the terminal position correction member 42 and the terminal press-fitting member 43, and the posture can be stabilized.

On the other hand, the board | substrate 21 is hold | maintained substantially horizontal so that each through-hole 31 becomes the arrangement | positioning suitable for a press. Then, the arrangement of the connector 22 is adjusted by the terminal position correcting member 42 and the terminal press-fitting member 43 so that each through hole 31 and each pin 34 are arranged coaxially. Further, as indicated by an arrow in FIG. 1, the substrate pressing member 41 is brought into contact with the upper surface of the substrate 21 so as to cover all the through holes 31 corresponding to the connector 22 to be inserted.
At this time, the substrate pressing member 41 and the through hole 31 are prevented from contacting each other. At this stage, no insertion load is applied yet.

Next, the pressing member 44 presses the substrate pressing member 41 toward the connector 22 from above in FIG. At this time, the pin 34 is connected to the lower end 34f of the central portion 34b.
Is held by the upper surface 52 c of the terminal holding portion 52. As a result, the tip 34 a of the pin 34 is press-fitted into the through hole 31. That is, the through hole 34d of the pin 34 is slightly compressed in the width direction, and enters the through hole 31 in a state where the width of the tip end portion 34a is slightly narrowed. Furthermore, it is pressed against the wall surface of the through hole 31 from the inside by the elastic force of the tip end portion 34a and fixed. And the front-end | tip part 34a and the conduction | electrical_connection part 32 of the wall surface of the through hole 31 contact, and are conducted.

When the substrate pressing member 41 is pressed for this press-fitting, a press-fitting load is applied to each pin 34 via the substrate 21. That is, the holding portion 52b of the terminal holding portion 52 is pressed by the lower end 34f of the central portion 34b of the pin 34, whereby the neck portion 52a of the terminal holding portion 52 is pressed.
Will bend. This deflection is detected by the load sensor 61. That is, it is possible to obtain the value of the load applied depending on the magnitude of the distortion of the neck 52a. This pressing load is usually
It changes as shown in the graph of FIG. That is, the pressing load does not increase so much for a while from the start of pressing, and increases rapidly from a certain time. And then it rises again gently.

Therefore, the determination unit 45 determines whether or not the acquired change in the pressing load is appropriate. For this purpose, for example, as shown by a broken line in FIG. 4, a range that can be determined as a non-defective product is set in advance for the pressing load at a predetermined time after the start of pressing. That is,
If the pressing load is within the range of the loads P1 to P2 during the time t1 to t2 in the figure during the elapsed time from the start of pressing, it is determined that the pressing has been properly performed. Then, it can be determined that the corresponding pin 34 has been deformed normally. According to this embodiment, a change in pressing load can be individually acquired for each pin 34. Therefore, even when the connector 22 having a plurality of pins 34 is connected, the insertion state of each pin 34 can be determined.

Next, the procedure of the method of inserting each pin 34 of the connector 22 into the through hole 31 of the substrate 21 as in this embodiment will be described with reference to the flowchart of FIG. First, the substrate 21
Is held at an appropriate position (S101). Subsequently, the connector 22 is held and aligned by the terminal position correction member 42 and the terminal press-fitting member 43. Further, the substrate pressing member 41 is brought into contact with the substrate 21 (S102).

Further, the substrate pressing member 41 is pressed by the pressing member 44 (S103). At this time,
The load sensor 61 acquires a change in pressing load for each pin 34. From the obtained result, it is determined whether or not the pressing load is within an allowable range (S104). If all the pins 34 of the workpiece are within the allowable range (S104: Yes), it can be determined that the workpiece is a non-defective product, and a completion message is displayed (S105). And it returns to S101 and manufactures similarly about the following workpiece | work.

On the other hand, if any of the pins 34 is not within the allowable range (S104: No), there is a possibility that it is a defective product. Therefore, an error message is displayed (S106). It may be displayed which pin 34 is determined to be defective. further,
The workpiece is sent to the defective product processing step (S107). Then, the next workpiece is manufactured. This concludes the description of the manufacturing method of this embodiment.

According to the insertion method of the present embodiment, the tip end portion 34a of each pin 34 during and after the press-fitting operation.
Is in contact with only the conductive portion 32 of the substrate 21. Substrate pressing member 41 and terminal press-fitting member 43
It does not touch any member. Further, the vertex 34e does not contact anything including the substrate 21. That is, there is nothing that contacts each pin 34 other than the other party to be contacted. Therefore, the deformation of the conductive portion 32 of the substrate 21, the unnecessary deformation of the tip 34a of the pin 34, the generation of metal debris, and the like are prevented.

Instead of providing the load sensor 61 at the neck portion 52a of each terminal holding portion 52, the load sensor 61 may be provided at the holding portion 52b as shown in FIG. For example, even if the load sensor 61 is provided at a location pushed by the lower portion 34f of the central portion 34b of the pin 34, the load received by each pin 34 can be accurately grasped for each pin. In this case, a sensor that observes compression in the thickness direction is used instead of a strain sensor. In this case, the neck portion 52a of the terminal holding portion 52 may not have a cantilever shape. The material need not be flexible.

As described in detail above, according to the insertion device 1 of the present embodiment, since the insertion load can be acquired for each pin 34, the insertion state can be detected for each pin 34. Therefore, even a connector having a plurality of press-fit terminals can be easily inserted into the insertion holes of the board, and the insertion state of each terminal can be reliably grasped.

<First form>
In this embodiment, instead of acquiring the insertion load by the load sensor in the reference embodiment, the insertion state can be detected by detecting the displacement of the terminal holding portion 52 when the pin is inserted. Portions common to the reference form are denoted by the same reference numerals and description thereof is omitted.

In this embodiment, the terminal press-fitting member 43 is not provided with a load sensor. Instead, for example, as shown in FIG. 7, the displacement amount S of the distal end portion of the terminal holding portion 52 is caused by the laser beams L1 and L2.
Is detected. Also in this embodiment, each of the terminal press-fitting members 43 can be regarded as a cantilever shape. The relationship between the displacement amount S and the load in the cantilever is a one-to-one relationship as shown in FIG. Therefore, by detecting the amount of displacement of the tip of the terminal holding portion 52,
The magnitude of the applied load can be acquired.

A laser light emitting device 63 and a light receiving device 64 are provided for each pin 34 below the base portion 51 of the terminal press-fitting member 43 of this embodiment, as shown in FIG. Laser light emitting device 63
The light receiving device 64 is provided on the lower side of the base 51 in the drawing and slightly on the front side or the back side in the drawing from the axis of the terminal holding portion 52. Further, the light receiving device 64 sandwiches the pin 34,
It is disposed on the opposite side of the laser light emitting device 63. As a result, the laser light emitted from the laser light emitting device 63 does not strike the pin 34, passes through the side of the leg 34 c of the pin 34, and passes through the light receiving device 6.
4 is reached. Moreover, although it does not hit the terminal holding | maintenance part 52 which is not bent, it contacts the terminal holding part 52 by the bending condition.

  The method of setting each insertion jig (substrate pressing member 41, terminal position correcting member 42, terminal press-fitting member 43) is the same as in the reference embodiment. Then, when a pressing load is applied to the substrate pressing member 41 by the pressing member 44, the pin 34 is pressed through the through hole 31 of the substrate 21. Therefore, at the initial stage of pressing, each terminal holding portion 52 bends in a direction in which the pin 34 side is lowered as shown in FIG. Then, it can be seen that the tip position of the terminal holding portion 52 blocks the laser light reaching the light receiving device 64 from the laser light emitting device 63, so that the amount of deflection is equal to or greater than a predetermined amount.

Further, as shown in FIG. 7, the laser light emitting device 63 emits two laser beams (L1, L2) at predetermined positions in the upper and lower directions in the drawing. That is, the position of the laser beam L1 is set at a position where the pressing load has a displacement corresponding to the magnitude of the load P1 shown in FIG. Further, the position of the laser beam L2 is set at a position of a displacement amount corresponding to the magnitude of the load P2. By acquiring whether or not these two laser beams are blocked by the terminal holding portion 52, the amount of displacement of the tip portion of the terminal holding portion 52 is within a predetermined range (between the loads P1 and P2). It can be determined whether or not there is. Therefore, it can be determined whether the load value for each pin falls within the non-defective range in the graph of FIG. The arrangement of the laser light emitting device 63 and the light receiving device 64 with respect to the base 51 is fixed.

As described in detail above, the insertion state of each pin 34 can also be detected by the insertion device of this embodiment. Therefore, even a connector having a plurality of press-fit terminals can be easily inserted into the insertion holes of the board, and the insertion state of each terminal can be reliably grasped.

<Second form>
In this embodiment, instead of acquiring the insertion load by the load sensor in the reference embodiment, the insertion state can be detected by detecting the displacement amount S of the terminal holding portion 52 at the time of inserting the pin using current. It is a thing. Portions common to the reference mode and the first mode are denoted by the same reference numerals, and description thereof is omitted.

In this embodiment, as shown in FIG. 9, an electrode 65 is provided for each pin 34 on the terminal press-fitting member 43. Furthermore, an electrode 66 is also provided on the back surface (lower surface in the drawing) of the tip end portion 52 d of each terminal holding portion 52. The base 51 of the terminal press-fitting member 43 is provided with an electrode holding member 67 extending from the lower part thereof, and an electrode 65 is attached to the upper surface of the tip of the electrode holding member 67 in the drawing. Each electrode 65 is opposed to the electrode 66 of the terminal holding portion 52. That is, when the distance between the electrodes 65 and 66 is a distance d, the determination unit 45 of this embodiment has a circuit shown in FIG.

The electrode holding member 67 is provided on the side of the leg 34c of each pin 34 at a position where it does not come into contact with other members. Further, in the vertical direction in the figure, the electrodes 65 and 66 are not in contact with each other even when the terminal holding portion 52 is bent to the maximum. Since the base 51 is highly rigid and the electrode holding member 67 is in a position not subjected to a load, the position of the electrode 65 hardly changes even if the terminal holding part 52 is bent by the press-fitting load. The distance d1 between the electrode 66 and the electrode 65 when the terminal holding portion 52 is in a natural state is measured in advance.

In this embodiment, as shown in FIG. 10, an AC voltage V ¹ is applied between the electrode 66 and the electrode 65 to measure the current value I. The relationship between the displacement amount S (see FIG. 7) of the terminal holding portion 52 and the current value I will be described. The greater the press-fit load, the greater the amount of bending of the terminal holding portion 52 and the greater the displacement amount S. The greater the displacement amount S, the smaller the distance d between the electrode 66 and the electrode 65. Therefore, the capacitance between the electrodes 65 and 66 becomes larger. Therefore, the impedance of the circuit shown in FIG. 10 becomes smaller and the current value I becomes larger.

That is, the current value I in a circuit including an AC power supply and a capacitor can be expressed by the following formula 1 using a coefficient Z ₁ uniquely determined for the distance d.
_{I = V 1 / Z 1 ...} ( Equation 1)

From this, it can be seen that the relationship between the distance d (> 0) between the electrode 66 and the electrode 65 and the current value I is as shown in FIG. That is, the current value I increases as the distance d decreases. The distance d can be obtained from the acquired current value I. Furthermore, the displacement amount S of the terminal holding part 52 can be obtained by subtracting the distance d from the distance d1 stored in advance. Then, it is determined whether or not the obtained displacement amount S is within a predetermined good range. This method is particularly effective when the laser light emitting device 63 and the light receiving device 64 cannot be installed due to, for example, structural restrictions.

As described in detail above, the insertion state of each pin 34 can also be detected by the insertion device of this embodiment. Therefore, even a connector having a plurality of press-fit terminals can be easily inserted into the insertion holes of the board, and the insertion state of each terminal can be reliably grasped.

<Third embodiment>
In this embodiment, instead of acquiring the insertion load by the load sensor in the reference embodiment, the insertion state can be detected by detecting the displacement amount S of the terminal holding portion 52 at the time of inserting the pin using a voltage. It is a thing. Portions common to the reference mode and the first and second modes are denoted by the same reference numerals, and description thereof is omitted. In this embodiment, the electrodes 65 and 66 of the second embodiment (see FIG. 9) are replaced with coils. Hereinafter, the coils 65 and 66 are referred to.

The determination unit 45 of this embodiment incorporates the circuit shown in FIG. That is, in this embodiment, an AC power supply is connected to the coil 66 and an AC voltage V ₃ is applied, and a voltage value V ₂ generated in the coil 65 is measured. Therefore, the relationship between the displacement amount S (see FIG. 7) of the terminal holding portion 52 and the voltage value V ₂ will be described. The greater the press-fit load, the greater the amount of bending of the terminal holding portion 52 and the greater the displacement amount S.
As the displacement amount S is larger, the distance d between the coil 66 and the coil 65 is smaller. Accordingly, since the mutual inductance between the coil 65 and the coil 66 in the circuit shown in FIG. 12 becomes larger, the voltage value V ² becomes larger.

That is, the voltage value V _{2 in the} circuit including the AC power supply and the two coils can be expressed by the following formula 2 using a coefficient Z ₂ that is uniquely determined with respect to the distance d.
V ₂ = V ₃ / Z ₂ (Formula 2)

From this, it can be seen that the relationship between the distance d (> 0) between the coil 65 and the coil 66 and the voltage value V ₂ is as shown in FIG. 13 in substantially the same manner as in the second embodiment. That is, the voltage value V ₂ increases as the distance d decreases. You can determine the distance d from the acquired voltage value V _2. Furthermore, the displacement amount S of the terminal holding part 52 can be obtained by subtracting the distance d from the distance d1 stored in advance. Then, it is determined whether or not the obtained displacement amount S is within a predetermined good range.

As described in detail above, the insertion state of each pin 34 can also be detected by the insertion device of this embodiment. Therefore, even a connector having a plurality of press-fit terminals can be easily inserted into the insertion holes of the board, and the insertion state of each terminal can be reliably grasped.

In both the second and third embodiments, when the distance between the pins 34 of the connector 22 is small, the measured value (current value I or voltage value V ₂ ) is influenced by the adjacent pins 34. There is a risk of receiving. In order to avoid this, it is assumed that the AC voltage (V ₁ or V ₃ ) applied to the adjacent terminal holding portion 52 is different in time, frequency, waveform, etc., as shown in FIGS. Good.

An example of voltage waveforms with different application times is shown in FIG. That is, in the two patterns shown in the upper and lower sides in this figure, the times at which the AC voltage is applied are shifted from each other.
It is preferable to apply voltages having different patterns to the adjacent terminal holding portions 52 in this way. In this way, it is possible to perform measurement with reduced noise without mutual interference.

FIG. 15 shows an example of a waveform pattern in which the frequencies are changed, and FIG. 16 shows an example of a pattern in which the waveform shape is changed. Even if these waveform patterns are used for the adjacent terminal holding portions 52, noise can be reduced and highly accurate measurement can be performed. In these figures, the number of pins 34 is 2, meaning that pattern 1 is applied to one and pattern 2 is applied to the other.
If the number of pins is greater than 2, pattern 1 and pattern 2 may be used alternately. Alternatively, more patterns may be prepared and used properly.

<4th form>
This form is for detecting the insertion state even when the tip 34a of the pin 34 has a poor molding shape and is too small with respect to the diameter of the through hole 31. Portions common to the reference form are denoted by the same reference numerals and description thereof is omitted.

In this embodiment, as the connector 71 to be connected, one having a pin 72 having a large bending angle θ (not so bent) provided in advance is used as shown in FIG. As shown in FIG. 17, the angles θ of the two bent portions 72a of the pin 72 of this embodiment are substantially the same angle larger than 90 °. However, if the insertion is completed properly, it will be bent substantially at a right angle as in FIG. The connector 71 of this embodiment is the same as the connector 22 of the reference embodiment except that the bending angle θ before insertion is large.

  In this embodiment, the substrate pressing member 41, the terminal position correcting member 42, and the terminal press-fitting member 43 are used as in the reference embodiment. In addition to these, as shown in FIG. 18, a main body holding member 73 that holds the main body portion 33 of the connector 71 is also provided. In this figure, the substrate pressing member 41, the terminal position correcting member 42, and other pins and through holes are omitted. Further, in the drawing, the thickness is shown large for the sake of clarity, but the pin 72 of this embodiment is formed of a thin metal plate, and the pressing force required to further bend the bent portion 72a is not so large.

  Next, an insertion method according to this embodiment will be described. First, the substrate pressing member 41, the terminal position correcting member 42, and the terminal press-fitting member 43 are arranged around the substrate 21 and the connector 71, as in the reference embodiment. At this time, as shown in FIG. 18, the terminal press-fitting member 43 is disposed with the leg portion 72 c sandwiched in a position where it does not contact the central portion 72 b of each pin 72. Further, the main body 33 of the connector 71 is held by the main body holding member 73. The main body holding member 73 is fixed against pressing from above in the drawing. That is, the main body 33 is not pushed down even if the substrate 21 is pressed by the substrate pressing member 41 and the pin 72 is pressed from above.

  Then, as in the reference embodiment, a pressing force by the pressing member 44 is applied to the substrate pressing member 41. Then, the distal end portion 72 d of the pin 72 first enters the through hole 31 of the substrate 21. Here, the distal end portion 72d refers to a portion of the distal end portion 72e that naturally enters the through hole 31. That is, as shown in FIG. 18, it is a range from the tip to a location slightly above the widest location. This is because the normally formed pin 72 is formed such that the width of the distal end portion 72e (the outer width of the widest portion) is slightly larger than the diameter of the through hole 31, as in the pin 34 of the reference form. .

When further pressed by the substrate pressing member 41, the pin 72 is sandwiched between the substrate 21 and the main body holding member 73 and compressed, so that the bent portion 72a is bent. At this time, the main body 33 of the connector 71 may be moved slightly in the left lateral direction in FIG. When the bent portions 72a are bent until the angle θ is about 90 °, the center portion 72 of the pin 72 is bent.
The lower end 72f of b and the terminal press-fitting member 43 abut. The terminal press-fitting member 43 is arranged in advance at such a position. This prevents the pin 72 from bending more than necessary.

  Thereafter, as in the reference embodiment, the pin 72 is sandwiched and pressed between the terminal press-fitting member 43 and the substrate 21. Therefore, the tip 72e is inserted into the through hole 31 while being slightly narrowed in the width direction. As a result, the pin 72 and the conducting portion 32 of the through hole 31 are securely fixed and connected.

Next, the shape of the distal end portion 72e is poor, and the through hole 31 is formed even at the largest diameter portion.
A case of the pin 72 having a size equal to or smaller than the diameter of the pin 72 will be described. In this case, not only the distal end portion 72 d of the pin 72 but also the entire distal end portion 72 e naturally enters the through hole 31 due to the pressing of the pressing member 44. And, for example, it is inserted through the through hole 31 until the upper end 72g of the central portion 72b is stopped by coming into contact with the substrate 21 or the like. For this reason, after the insertion, the tip position of the pin 72 protrudes greatly as compared with that in a normal good insertion state.

Therefore, in the present embodiment, the height position of the pin 72 protruding from the substrate 21 is detected after the insertion process is completed. Then, it is determined whether or not the detected height exceeds a predetermined good range. For this purpose, for example, as shown in FIGS. 19 and 20, a laser light emitting device 75 and a light receiving device 76 are used. Then, two laser beams are emitted in parallel to the upper surface of the substrate 21 at a height position that is reached when inserted normally and at a height position that is not reached if inserted normally.

As shown in FIG. 19 and FIG. 20, the pin 72 having a poor shape and the tip 72e having a small width (“NG”) after insertion is better than the good state (“OK”). Pin 7 of
2 is in a state in which the tip of 2 protrudes greatly from the surface of the substrate 21. Therefore, if there is a defective pin 72, the upper laser beam in the figure is blocked by the tip 72e of the pin 72, so that it can be easily identified. A normally inserted pin 72 is shown as “OK” on the left side in both figures,
The lower laser beam is blocked and the upper laser beam is not blocked. Therefore, these two laser beams can detect either a short or excessive protrusion of the tip of the pin 72.

As described above in detail, according to the insertion device of the present embodiment, it is possible to easily detect the presence or absence of the pin 72 whose tip portion has a poor shape and is too small in width. Therefore, even a connector having a plurality of press-fit terminals can be easily inserted into the insertion holes of the board, and the insertion state of each terminal can be reliably grasped.

In addition, this form is only a mere illustration and does not limit this invention at all. Therefore, the present invention can naturally be improved and modified in various ways without departing from the gist thereof.
For example, the number of pins of the connector to be connected, the pin arrangement, the details of the pin shape, etc. can be changed. Further, although the upper part of the substrate pressing member 41 is arched, it does not have to be this shape. Moreover, as the terminal holding part 52, not only the neck part 52a but the whole may be flexible.

DESCRIPTION OF SYMBOLS 1 Insertion device 41 Board | substrate pressing member 43 Terminal press-fit member 45 Judgment part 51 Base 52 Terminal holding part 52a Neck 61 Load sensor 63,75 Laser light-emitting device 64,76 Light-receiving device 65,66 Electrode, coil

Claims (12)

Insertion of a press-fit terminal into a plurality of insertion holes of the board, into which the insertion portion of the press-fit terminal having the insertion portion and the leg portion and the insertion portion and the central portion wider than the leg portion is inserted. In the device,
A first pressing member located on the opposite side of the press-fit terminal before insertion with the substrate sandwiched therebetween, and pressing the substrate toward the press-fit terminal without contacting the press-fit terminal;
A pressing base located on the opposite side of the first pressing member across the substrate;
A plurality of second pressing members provided on the pressing base for each press-fit terminal in accordance with the arrangement thereof, and pressing the press-fit terminal toward the substrate at the tip;
When the press fitting terminal is inserted into the insertion hole of the substrate by the first pressing member and the second pressing member, the displacement of the distal end portion of the second pressing member with respect to the pressing base is within a predetermined good range. A displacement determination unit that determines whether or not there is for each of the second pressing members,
The second pressing member is
A flexible neck,
The tip is located at the tip, and the tip is formed in a fork, and the tip of the press-fit terminal is pressed against the substrate while sandwiching the leg of the press-fit terminal, and is configured in a cantilever shape. An apparatus for inserting a press-fit terminal. The press-fit terminal insertion device according to claim 1,
The press-fit terminal insertion device according to claim 1, wherein the displacement determination unit determines whether or not laser light is shielded by the tip portion of the second pressing member. The press-fit terminal insertion device according to claim 1,
The displacement determination unit
Electrodes respectively provided on the distal end portion and the pressing base portion of the second pressing member;
When an AC voltage is applied between the electrodes, an AC current that flows between them is acquired, thereby inserting the press-fit terminal into the insertion hole of the substrate by the first pressing member and the second pressing member. A displacement detector for detecting a displacement of the distal end portion of the second pressing member with respect to the pressing base;
An apparatus for inserting a press-fit terminal, comprising: a determination unit that determines whether the displacement detected by the displacement detection unit is within a predetermined good range. The press-fit terminal insertion device according to claim 1,
The displacement determination unit
A coil provided on each of the distal end portion and the pressing base portion of the second pressing member;
When a press-fit terminal is inserted into an insertion hole of a substrate by the first pressing member and the second pressing member by acquiring an AC voltage induced on the other when an AC voltage is applied to one of the coils A displacement detector for detecting a displacement of the tip of the second pressing member relative to the pressing base;
An apparatus for inserting a press-fit terminal, comprising: a determination unit that determines whether the displacement detected by the displacement detection unit is within a predetermined good range. In the press-fit terminal insertion device according to claim 3 or 4,
The press-fit terminal insertion device, wherein the displacement detection unit applies an alternating voltage of at least one of application time, frequency, and waveform to the adjacent second pressing member. A press-fit terminal having an insertion portion, a leg portion bent and connected to the insertion portion, and a center portion that is between the insertion portion and the leg portion and is wider than the insertion portion. In the press-fit terminal insertion device for inserting the inserted part of
A first pressing member located on the opposite side of the press-fit terminal before insertion with the substrate sandwiched therebetween, and pressing the substrate toward the press-fit terminal without contacting the press-fit terminal;
A leg pressing member that is located on the opposite side of the first pressing member across the substrate and presses the leg of the press-fit terminal in a direction to push the inserted portion of the press-fit terminal into the insertion hole of the substrate;
After the insertion portion of the press-fit terminal is inserted into the insertion hole of the substrate by the first pressing member and the leg pressing member, the protrusion amount of the insertion portion from the substrate to the first pressing member side is determined in advance. An apparatus for inserting a press-fit terminal, comprising: a protrusion amount determining unit that determines, for each press-fit terminal, whether or not it is within a predetermined upper and lower limit range. The press-fit terminal insertion device according to claim 6,
Each press-fit terminal is provided in accordance with the arrangement of the press-fit terminal, and when the insertion portion of the press-fit terminal is inserted into each of the plurality of insertion holes of the substrate by the first pressing member and the leg pressing member, a central portion is provided. A plurality of second pressing members that regulate the distance from the substrate of the end portion on the leg pressing member side of the central portion by pressing the end portion on the leg pressing member side of the
The second pressing member is
The neck,
It is located at the tip, and the tip is bifurcated, and is configured in a cantilever shape with a tip portion that regulates the center portion of the press-fit terminal while sandwiching the leg portion of the press-fit terminal. Press-fit terminal insertion device. In the press-fit terminal insertion method in which press-fit terminals are inserted into the plurality of insertion holes of the substrate,
As a press-fit terminal, there is an inserted part, a leg part connected to the inserted part, and an inserted part and a central part wider than the leg part, and the width of the inserted part before insertion. Is larger than the diameter of the insertion hole,
A first pressing member that presses the substrate toward the press-fit terminal without contacting the press-fit terminal is disposed on the opposite side of the press-fit terminal before insertion with the substrate interposed therebetween,
A plurality of second presses provided in accordance with the arrangement of each press-fit terminal so that the center part of each press-fit terminal is pressed toward the board on the opposite side of the first pressing member across the board Placing a pressing base to hold the base of the member,
The second pressing member includes a flexible neck portion and a holding portion that is located at the tip of the neck and has a tip that is bifurcated and presses the center portion of the press-fit terminal while sandwiching the leg portion of the press-fit terminal. Use the one that is structured like a cantilever,
By pressing the substrate and the press-fit terminal with the first pressing member and the pressing base, when the press-fit terminal is inserted into the insertion hole of the substrate, the displacement of the tip portion of the second pressing member is detected,
A method for inserting a press-fit terminal, wherein whether or not the detected displacement is within a predetermined good range is determined for each second pressing member. In the press-fit terminal insertion method in which press-fit terminals are inserted into the plurality of insertion holes of the substrate,
As a press-fit terminal, there is an inserted part, a leg part that is bent and connected to the inserted part, and an inserted part and a central part that is wider than the inserted part and the inserted part. Use the one whose width before insertion is larger than the diameter of the insertion hole,
A first pressing member that presses the substrate toward the leg of the press-fit terminal without contacting the press-fit terminal is disposed on the opposite side of the press-fit terminal before insertion with the substrate interposed therebetween,
A leg pressing member for pressing the leg of the press-fit terminal is arranged on the opposite side of the first pressing member across the board in a direction to push the inserted part of the press-fit terminal into the insertion hole of the board,
By pressing the substrate and the press-fit terminal with the first pressing member and the leg pressing member, the width of the inserted portion is reduced by the wall surface of the insertion hole, and the connection portion between the center portion and the leg portion is further reduced. While bending, insert the insert part of the press-fit terminal into the insertion hole of the board,
Whether or not the amount of protrusion of the inserted portion from the substrate to the first pressing member side after the insertion portion of the press-fit terminal is inserted into the insertion hole of the substrate is within a predetermined upper and lower limit range. , A method of inserting a press-fit terminal, characterized by determining for each press-fit terminal. In a manufacturing method of a combined product of a press-fit terminal and a substrate by inserting press-fit terminals into a plurality of insertion holes of the substrate,
As a press-fit terminal, there is an inserted part, a leg part connected to the inserted part, and an inserted part and a central part wider than the leg part, and the width of the inserted part before insertion. Is larger than the diameter of the insertion hole,
A first pressing member that presses the substrate toward the press-fit terminal without contacting the press-fit terminal is disposed on the opposite side of the press-fit terminal before insertion with the substrate interposed therebetween,
A plurality of second presses provided in accordance with the arrangement of each press-fit terminal so that the center part of each press-fit terminal is pressed toward the board on the opposite side of the first pressing member across the board Placing a pressing base to hold the base of the member,
The second pressing member includes a flexible neck portion and a holding portion that is located at the tip of the neck and has a tip that is bifurcated and presses the center portion of the press-fit terminal while sandwiching the leg portion of the press-fit terminal. Use the one that is structured like a cantilever,
By pressing the substrate and the press-fit terminal with the first pressing member and the pressing base, when the press-fit terminal is inserted into the insertion hole of the substrate, the displacement of the tip portion of the second pressing member is detected,
A method for manufacturing a combined product of a press-fit terminal and a substrate, wherein it is determined for each of the second pressing members whether or not the detected displacement is within a predetermined good range. In a manufacturing method of a combined product of a press-fit terminal and a substrate by inserting press-fit terminals into a plurality of insertion holes of the substrate,
As a press-fit terminal, there is an inserted part, a leg part that is bent and connected to the inserted part, and an inserted part and a central part that is wider than the inserted part and the inserted part. Use the one whose width before insertion is larger than the diameter of the insertion hole,
A first pressing member that presses the substrate toward the leg of the press-fit terminal without contacting the press-fit terminal is disposed on the opposite side of the press-fit terminal before insertion with the substrate interposed therebetween,
A leg pressing member for pressing the leg of the press-fit terminal is arranged on the opposite side of the first pressing member across the board in a direction to push the inserted part of the press-fit terminal into the insertion hole of the board,
By pressing the substrate and the press-fit terminal with the first pressing member and the leg pressing member, the width of the inserted portion is reduced by the wall surface of the insertion hole, and the connection portion between the center portion and the leg portion is further reduced. While bending, insert the insert part of the press-fit terminal into the insertion hole of the board,
Whether or not the amount of protrusion of the inserted portion from the substrate to the first pressing member side after the insertion portion of the press-fit terminal is inserted into the insertion hole of the substrate is within a predetermined upper and lower limit range. , A method for manufacturing a combined product of a press-fit terminal and a substrate, wherein the determination is made for each press-fit terminal. In the manufacturing method of the combined article of the press fit terminal and board according to claim 11,
A plurality of second pressing members that press the end on the leg pressing member side in the center toward the substrate on the opposite side of the first pressing member across the substrate are matched to the arrangement of each press-fit terminal. Arranged,
The second pressing member is cantilevered by a neck portion and a tip portion that is located at the tip of the neck portion and has a tip portion that is bifurcated and that regulates the center portion of the press-fit terminal while sandwiching the leg portion of the press-fit terminal. Use the configured one,
When inserting the inserted portion of the press-fit terminal into each of the plurality of insertion holes of the substrate by the first pressing member and the leg pressing member, the central portion of each press-fit terminal is inserted by the second pressing member. A method of manufacturing a combined product of a press-fit terminal and a substrate, wherein the distance from the substrate at the end portion on the leg pressing member side is regulated.

Images