JP2009093979A - Device for manufacturing terminal board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for manufacturing a terminal board in which a cutting portion of a contact point board can be cut and an insert mold of the contact point board can be done excellently one after another and can improve workability during manufacturing the terminal board. <P>SOLUTION: The manufacturing device of a terminal board in which a contact point board is insert-molded is provided with a processing table 1, a positioning process part 2 capable of positioning the contact point board, a cutting process part 3 provided with a cutting means 6 for cutting a cutting portion of the contact point plate which is positioned by the positioning process part 2, a molding process part 4 provided with a molding means 7 for molding a terminal board by insert-molding the contact point plate positioned by the position process part 2, and a motor M which rotates the processing table 2 and conveys the contact point board positioned by the positioning process part 2 to the cutting process part 3 and the molding process part 4 one after another. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an apparatus for manufacturing a terminal block, which is formed by insert-molding a contact plate that is divided to form a cut-off portion that is cut off from conduction.

  In order to detect the shift position of the select lever, an automatic switch in an automobile is usually provided with an inhibitor switch in its mission case. Such an inhibitor switch includes a terminal block fixed in the transmission case of the automatic transmission, a contact plate formed on the terminal block, an operation unit that operates along the contact plate in conjunction with the select lever of the vehicle, And a movable contact formed on the operation portion and capable of sliding on the contact plate to form a predetermined electric circuit corresponding to the contact position.

  Thus, the inhibitor switch operates in oil filled in the mission case, and detects the shift position of the select lever from the electrical circuit formed according to the contact position of the movable contact with the contact plate. Based on this detection, the power transmission path of the automatic transmission can be controlled in correspondence with the shift position of the select lever (see, for example, Patent Document 1).

In such an inhibitor switch, a plurality of rows of contact plates extending in parallel are formed on the terminal block, but conventionally, in order to prevent the plurality of rows of contact plates from separating apart in the manufacturing process, A dividing portion that connects adjacent rows is formed. In addition, when the cut-off portion of the contact plate integrated with the cut-off portion is cut by a punch or the like to cut off the electrical continuity, and the terminal plate is insert-molded with a predetermined resin, the contact plate is arranged for each row in the manufacturing process. Thus, it is possible to achieve desired electrical continuity for each column after the separation.
JP 2002-175743 A

  However, in the conventional terminal block manufacturing process, the dividing means for dividing the dividing portion of the contact plate and the forming means for insert-molding the contact plate are separated from each other. It is necessary for the operator to hold the divided contact plate by hand and transport it to the molding means, which takes time to manufacture the terminal block, and it is necessary to position the contact plate by each of the dividing means and the molding means. There was a problem that workability was bad.

  The present invention has been made in view of such circumstances, and can divide the dividing portion of the contact plate and insert molding of the contact plate in order and improve workability at the time of manufacturing the terminal block. An object of the present invention is to provide an apparatus for manufacturing a terminal block.

  According to the first aspect of the present invention, in a terminal block manufacturing apparatus formed by insert molding a contact plate that is divided to form a cut-off portion that is cut off, a disk-shaped device that is rotatable in a predetermined direction. A processing table, a positioning step portion set on the processing table and capable of positioning the contact plate, and a dividing portion of the contact plate formed at a predetermined position on the processing table and positioned at the positioning step portion Insert molding a contact plate formed at a predetermined position different from the parting step part on which the parting means for cutting is arranged and the positioning step part and the parting process part on the processing table. And a molding process part provided with molding means for molding the terminal block and a contact point positioned at the positioning process part by rotating the processing table. And characterized by comprising a driving means for sequentially conveying the dividing step portion and forming step portions.

  According to a second aspect of the present invention, in the terminal block manufacturing apparatus according to the first aspect, the positioning process part, the dividing process part and the molding process part are set and arranged every 90 degrees with respect to the processing table. A cooling step for causing the driving means to intermittently rotate the processing table at a pitch of 90 degrees to cool and solidify the terminal block formed at the molding step portion between the molding step portion and the positioning step portion. A site is set.

  According to a third aspect of the present invention, there is provided the terminal block manufacturing apparatus according to the first or second aspect, further comprising holding means that is placed on the processing table and can hold the contact plate while positioning the contact plate at a predetermined position. In addition, the holding means also serves as a lower mold of the dividing means in the dividing process part and a lower mold of the forming means in the forming process part.

  According to a fourth aspect of the present invention, in the terminal block manufacturing apparatus according to the third aspect, the contact plate is held while being positioned in a plurality of upper and lower stages with respect to the holding means, and is inserted in a plurality of stages in the molding process part. It is characterized by being molded.

  According to the first aspect of the present invention, since the contact plate positioned at the positioning process part is rotated and the contact plate positioned at the positioning process part is sequentially transported to the parting process part and the molding process part, the parting part of the contact plate is divided, and the contact point The insert molding of the board can be carried out successively in succession, and the workability at the time of manufacturing the terminal block can be improved.

  According to the invention of claim 2, the driving means intermittently rotates the machining table at a pitch of 90 degrees, and the terminal block molded at the molding process part is cooled and solidified between the molding process part and the positioning process part. Since the cooling process site | part for making it set, the division | segmentation of the division part of a contact plate, the insert molding of a contact plate, and the cooling solidification of a terminal block can be performed sequentially favorable.

  According to the invention of claim 3, since the holding means also serves as the lower mold of the dividing means in the dividing process part and the lower mold of the forming means in the forming process part, if the terminal plate is positioned with respect to the holding means in the positioning process part Then, the subsequent positioning can be made unnecessary, and the workability at the time of further manufacturing the terminal block can be improved.

  According to the invention of claim 4, since the contact plate is held while being positioned in a plurality of upper and lower stages with respect to the holding means and is insert-molded in a plurality of stages in the molding process part, the contact means in the upper and lower stages in the dividing means. It becomes easy to carry out the division of the respective divided portions in the plate at once.

Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
The terminal block manufacturing apparatus according to this embodiment is for manufacturing a terminal block formed by insert-molding a contact plate formed with a dividing portion that is divided to cut off conduction, as shown in FIG. In addition, the processing table 1, the dividing means 6, the forming means 7, the motor M as the driving means, and the holding means H are mainly configured.

  The holding means H is placed on the processing table 1 and can hold the metal contact plates 8 and 9 as shown in FIG. 2 while positioning them at predetermined positions. As shown in FIG. The plates 8 and 9 can be positioned in two upper and lower stages. Each of the contact plates 8 and 9 is made of, for example, a conductive metal plate that has been formed into a predetermined shape by pressing and bending it with a press or the like. Dividing portions 8a and 9a are formed to cut off.

  The dividing portions 8a and 9a are used to connect adjacent rows or parts to each other so that the contact plates 8 or 9 made up of a plurality of rows or parts are not separated in the manufacturing process. It is a part that is excised so as to cut off the conduction while being held in a state where it is held.

  The processing table 1 is composed of a disk-shaped member that is rotatable in a predetermined direction (in the present embodiment, clockwise in FIG. 1) about the rotation axis L. It is possible to rotate intermittently at the pitch. In this processing table 1, a positioning process part 2, a cutting process part 3, a molding process part 4, and a cooling process part 5 are set in this order every 90 degrees, and the processing table 1 has a pitch of 90 degrees. By intermittently rotating, the contact plates 8 and 9 held by the holding means H pass through the positioning process part 2, the dividing process part 3, the molding process part 4, and the cooling process part 5. It comes to return.

  The positioning process part 2 is a part set so that the contact plates 8 and 9 can be positioned on the holding means H, and the operator stands in front of the positioning process part 2 to position the contact plates 8 and 9. And the removal operation | work of the terminal block T after manufacture will be performed. When the contact plates 8 and 9 are held by the holding means H, as shown in FIGS.

  The parting process part 3 is a part in which the parting means 6 for parting the parting parts 8a and 9a of the contact plates 8 and 9 positioned in the positioning part 2 is provided. As shown in FIG. 5, the dividing means 6 includes a dividing means main body 10 located above the holding means H, a punch 11 and a stripper 12 that are disposed on the dividing means main body 10 and are movable up and down. It is comprised. The punch 11 and the stripper 12 are formed at positions corresponding to the dividing portions 8 a and 9 a of the contact plates 8 and 9.

  When the holding means H holding the contact plates 8 and 9 reaches the dividing step part 3, as shown in FIG. 6, the stripper 12 descends and presses the periphery of the dividing portion 8a of the contact plate 8 at its protruding end. Thereafter, as shown in FIG. 7, the punch 11 is further lowered so that the divided portion 8a (the same applies to the divided portion 9a) can be cut and divided. After the dividing portion 8a is divided, after the punch 11 is raised, the stripper 12 is raised, both return to the initial position as shown in FIG. 8, and the next dividing process is enabled. Here, the holding means H functions as a lower mold of the dividing means 6.

  The molding process site 4 is positioned at the positioning process site 2 and molded to form a terminal block by insert molding the contact plates 8 and 9 where the dividing portions 8a and 9a are divided by the dividing means 6 of the dividing process site 3. This is the part where the means 7 is disposed. As shown in FIG. 9, the forming means 7 has an upper mold 13 located above the holding means H, and a pressing pin 14 disposed on the upper mold 13 and movable up and down. It is configured.

  Then, when the holding means H that holds the contact plates 8 and 9 in a state where the dividing portions 8a and 9a are divided reaches the dividing step part 3, the upper mold 13 is lowered and the holding means H as shown in FIG. A closed space (cavity C) can be formed between the two. That is, the opposing surfaces of the holding means H and the upper mold 13 are shaped so as to follow the terminal block T to be manufactured. When a predetermined molten resin J is poured into the cavity C, the holding means H and the upper mold 13 are arranged. The shape is transferred. At this time, as the upper die 13 is lowered, the pressing pin 14 presses a predetermined position of the contact plates 8 and 9.

  Then, as shown in FIG. 11, a predetermined molten resin J is poured into the cavity C to form the terminal block T while the contact plates 8 and 9 are insert-molded, and then, as shown in FIG. The pin 14 and the upper mold 13 are raised to the initial position. Accordingly, the terminal block T in which the terminal plates 8 and 9 as shown in FIG. 13 are insert-molded can be held on the holding means H. Here, the holding means H functions as a lower mold of the forming means 7.

  The cooling process part 5 is a part for cooling and solidifying the terminal block T molded by the molding means 7 of the molding process part 4. Similarly to the positioning step portion 2, the cooling step portion 5 is not provided with any means such as the dividing means 6 and the forming means 7, and after the molding in the terminal block T held exclusively by the holding means H. It is a part for naturally cooling and solidifying the resin. In addition, in the thing which does not require much time for cooling and solidification after molding, instead of the cooling and solidification by the cooling process part 5, it may be a part of the process of taking out the terminal block T from the holding means H.

  As described above, the motor M as the driving means rotates the machining table 1 intermittently at a pitch of 90 degrees, and converts the contact plates 8 and 9 positioned in the positioning process part 2 into the cutting process part 3 and the molding process part 4. And it is for conveying to the cooling process site | part 5 one by one. Thus, a series of processes such as division of the divided portions 8a and 9a, insert molding, and cooling and solidification are continuously performed on the contact plates 8 and 9 held by the holding means H in the positioning process portion 2. ing.

Next, the operation of the terminal block manufacturing apparatus will be described.
First, the operator holds the contact plates 8 and 9 (in a state where the dividing portions 8a and 9a are formed) on the holding means H in the positioning process portion 2 while positioning them in two upper and lower stages. Then, when the machining table 1 is rotated 90 degrees by driving the motor M, the holding means H holding the contact plates 8 and 9 reaches the dividing step part 3, and the dividing parts 6a and 9a are divided by the dividing means 6. At this time, the holding means H functions as the lower mold of the dividing means 6 as described above.

  After the division, when the machining table 1 is further rotated 90 degrees by driving the motor M, the holding means H holding the contact plates 8 and 9 reaches the molding process part 4 and insert molding by the molding means 7 is performed. At this time, the holding means H functions as the lower mold of the forming means 7 as described above. After the molding, when the machining table 1 is further rotated 90 degrees by driving the motor M, the holding means H holding the molded terminal block T reaches the cooling process part 5, and the molding resin is cooled and solidified in the terminal block T. Made.

  Further, when the machining table 1 is rotated 90 degrees by driving the motor M, the holding means H holding the cooled and solidified terminal block T returns to the positioning step part 2, and the operator removes the terminal block T from the holding means H. A series of processing is completed after taking out. After that, the operator holds the contact plates 8 and 9 (in a state where the dividing portions 8a and 9a are formed) on the holding means H in the positioning process portion 2 again while positioning the upper and lower two stages to perform a series of processing. It has come to give.

  The obtained terminal block T has the upper and lower contact plates 3 and 4 attached thereto by insert molding as described above, and as shown in FIG. It is comprised so that it may face outside in the groove part Ta. As shown in FIG. 15, when the operation unit 15 and the case 16 having movable contacts are assembled to the terminal block T, the terminal block T is disposed in the transmission case of the automatic transmission of the automobile, and the shift position of the select lever is set. It is possible to obtain an inhibitor switch for detecting

  According to the above embodiment, since the processing table 1 is rotated and the contact plates 8 and 9 positioned in the positioning process part 2 are sequentially conveyed to the dividing process part 3, the molding process part 4 and the cooling process part 5, Separation of the dividing portions 8a and 9a of the plates 8 and 9, insertion molding of the contact plates 8 and 9 and cooling and solidification of the obtained terminal block T can be performed sequentially in order, and workability at the time of manufacturing the terminal block T is improved. Can be achieved.

  Further, the processing table 1 is intermittently rotated at a pitch of 90 degrees, so that the divided portions 8 a and 9 a of the contact plates 8 and 9, the insert molding of the contact plates 8 and 9, and the cooling and solidification of the terminal block T are performed. The steps can be performed sequentially and satisfactorily. That is, the motor M as the driving means only needs to rotate the machining table 1 intermittently at an equal pitch, and no special control is required. Therefore, a general-purpose one can be used, and the manufacturing cost of the apparatus is reduced. Can be suppressed.

  Further, since the holding means H also serves as a lower mold of the dividing means 6 in the dividing process part 3 and a lower mold of the forming means 7 in the forming process part 4 in addition to the positioning and holding function of the contact plates 8 and 9, the positioning process part If the terminal plates 8 and 9 are positioned with respect to the holding means H in 2, the subsequent positioning can be made unnecessary, and the workability at the time of manufacturing the terminal block T can be further improved.

  Furthermore, the contact plates 8 and 9 are held while being positioned in a plurality of upper and lower stages (two stages) with respect to the holding means H, and are insert-molded in a plurality of stages in the molding process portion 4. It becomes easy to perform division | segmentation of each division part 8a, 9a in the multistage contact plates 8 and 9 collectively. In addition, it is good also as what insert-molds what makes one contact plate insert-mold, or is made into 3 or more steps | paragraphs.

  As mentioned above, although this embodiment was described, this invention is not limited to this, For example, it does not have the cooling process site | part 5, and after the shaping | molding of the terminal block T by the shaping | molding means 7 in the shaping | molding process site | part 4, a positioning process It is good also as a structure which returns to the site | part 2. In this embodiment, the positioning process part 2, the dividing process part 3 and the molding process part 4 are set every 90 degrees. However, the cutting of the dividing part and the insert molding of the contact plate are performed by the rotation of the processing table 1. Other arrangement configurations may be used as long as they are continuously performed.

  In this embodiment, the manufacturing apparatus is used to manufacture the terminal block T of the inhibitor switch that is disposed in the transmission case of the automatic transmission of the automobile and detects the shift position of the select lever. You may apply to the manufacturing apparatus of the terminal block of the other form in which the division | segmentation of a part and the insert molding of a contact plate are made.

  A disk-shaped processing table that is rotatable in a predetermined direction, a positioning process portion that is set on the processing table and can position the contact plate, and is formed at a predetermined position on the processing table, and the positioning process The dividing process part provided with the dividing means for dividing the dividing part of the contact plate positioned at the part, and the positioning process part and the dividing process part on the processing table are formed at different predetermined positions, A molding process part in which molding means for molding the contact plate positioned at the positioning process part by insert molding is formed, and a contact plate positioned at the positioning process part by rotating the processing table If the terminal block manufacturing apparatus is equipped with a driving means that sequentially conveys the material to the dividing process part and the molding process part, the one having a different external shape or other machine There can also be applied to the added ones like.

The schematic diagram which shows the manufacturing apparatus of the terminal block of this invention The perspective view which shows the contact plate insert-molded with the terminal block manufactured with the manufacturing apparatus of the same terminal block The top view which shows the state which carried out positioning and holding | maintenance of the contact plate with respect to the holding means in two steps Partial sectional view showing a state in which the contact plate is positioned and held in two stages, upper and lower, with respect to the holding means Cross-sectional schematic diagram showing the cutting means (before cutting of the cutting part) in the terminal block manufacturing apparatus Cross-sectional schematic diagram showing the cutting means (immediately before the cutting of the cutting portion) in the terminal block manufacturing apparatus Cross-sectional schematic diagram showing the cutting means (during cutting of the cutting part) in the terminal block manufacturing apparatus Cross-sectional schematic diagram showing the dividing means (after dividing the dividing portion) in the terminal block manufacturing apparatus Cross-sectional schematic diagram showing molding means (before insert molding) in the terminal block manufacturing apparatus Cross-sectional schematic diagram showing molding means (immediately before insert molding) in the terminal block manufacturing apparatus Cross-sectional schematic diagram showing molding means (during insert molding) in the terminal block manufacturing apparatus Cross-sectional schematic diagram showing molding means (after insert molding) in the terminal block manufacturing apparatus Cross-sectional schematic diagram showing a terminal block obtained by molding means for molding in the terminal block manufacturing apparatus The top view which shows the terminal block obtained by shaping | molding of the shaping | molding means in the manufacturing apparatus of the same terminal block The perspective view which shows the state in which the terminal block manufactured with the manufacturing apparatus of the same terminal block was applied to the inhibitor switch

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Processing table 2 Positioning process part 3 Dividing process part 4 Molding process part 5 Cooling process part 6 Dividing means 7 Molding means 8 Contact plate (upper stage)
9 Contact plate (lower)
8a, 8b Dividing part 10 Dividing means body 11 Punch 12 Stripper 13 Upper mold 14 Holding pin 15 Operation part 16 Case H Holding means T Terminal block M Motor (driving means)

Claims (4)

In a terminal block manufacturing apparatus formed by insert molding a contact plate that is divided and formed with a cut-off portion that is cut off of conduction,
A disk-shaped processing table that is rotatable in a predetermined direction;
A positioning step portion set on the processing table and capable of positioning the contact plate;
A cutting process part provided with a dividing means for dividing the divided part of the contact plate formed at a predetermined position on the processing table and positioned in the positioning process part;
Forming means for forming a terminal block by insert-molding a contact plate formed at a predetermined position different from the positioning process part and the dividing process part on the processing table is provided. Molding process parts,
A driving means for rotating the processing table and sequentially transporting the contact plate positioned at the positioning process part to the cutting process part and the molding process part;
An apparatus for manufacturing a terminal block.   The positioning process part, the cutting process part and the molding process part are set and arranged every 90 degrees with respect to the processing table, and the driving means intermittently rotates the processing table at a pitch of 90 degrees, 2. The terminal block manufacturing apparatus according to claim 1, wherein a cooling process part for cooling and solidifying the terminal block molded in the molding process part is set between the molding process part and the positioning process part. .   The holding means is placed on the processing table and can hold the contact plate while positioning the contact plate at a predetermined position, and the holding means forms a lower mold of the cutting means in the cutting process part and molding in the forming process part. The terminal block manufacturing apparatus according to claim 1, which also serves as a lower mold of the means.   4. The terminal block manufacturing apparatus according to claim 3, wherein the contact plate is held while being positioned in a plurality of upper and lower stages with respect to the holding means, and is insert-molded in a plurality of stages at the molding process part.

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