JPS6347117B2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a heat seal crimping device.

Conventionally, a crimping device as shown in FIG. 1 has been used for crimping heat seal connectors (flexible conductive films). In this device, a table 2 is provided on a base 1, an intermediate table 5 and an upper table 6 are provided by shafts 3 and 4, and a cylinder 7 is attached to the upper table 6. A heater 8 is attached so that the heater 8 is lowered onto the surface of the table 2 by the operation of the cylinder 7.

For example, as shown in FIG.
In order to bond the conductive part 10a of the heat-seal connector 10 to the electrode 9a, place the mating part of the electrode 9a of the liquid crystal cell 9 and the conductive part 10a of the heat-seal connector 10 on the table 2, and then As shown in FIG. 3, a heater 8 is pressed into contact with the
This is done by thermocompression bonding the mating portions. Fourth
The figure shows the state after crimping.

However, in this conventional device, the mating part of the electrode 9a of the liquid crystal cell 9 and the conductive part 10a of the heat seal connector 10 is finally aligned by eye when it is placed on the table 2. There is a high possibility that misalignment between the two will occur, and
The next crimping work cannot be prepared until the previous crimping work is completed, which is inefficient.
If the heater 8 is not in contact with the surface of the heater 8, it is necessary to insert a special spacer between the heaters 8 and 8. Furthermore, most of the heat from the heater 8 escapes to the surroundings, resulting in poor thermal efficiency.

The object of the present invention is to provide heat seal crimping which solves the above-mentioned problems by attaching the part to be crimped to a cassette, and by mounting the cassette, the part to be crimped is heated under pressure from both sides. The purpose is to provide equipment.

The present invention will be explained in detail below using examples. In FIG. 5, 40 indicates a crimping machine, a guide rail 12 is attached to the center of the bottom plate 11, and side plates 13 and 14 are installed on both sides, and an upper part of the side plates 13 and 14 is attached to the bottom plate 11. A plate 15 is attached, and the bottom plate 11, side plates 13, 14, and top plate 15 form an outer housing portion. Another guide rail 16 corresponding to the guide rail 12 is attached to the lower surface of the upper plate 15. A first heater 17 is provided inside one side plate 13 so that it can move forward and backward guided by guide rods 18 and 19. This first heater 17 is connected to a first cylinder 20 attached to the side plate 13.
The piston 20a moves forward and backward by the expansion and contraction movement of the piston 20a. 21 is a second heater provided inside the other side plate 14 so as to be able to advance and retreat while being guided by guide rods 22 and 23;
is the second cylinder 2 attached to the side plate 14.
The piston 24a moves forward and backward by the expansion and contraction operations of the piston 24a. Pressure contact portions 17a formed at the tips of the first heater 17 and the second heater 21
and 21a are arranged to be exactly opposite each other.

25 is a cassette to be guided by the guide rails 12 and 16 and housed inside the cassette, and a first heater 17 and a second heater 21 are located in the middle of the cassette in the longitudinal direction.
An elongated hole 25a is formed in a size that allows the pressure contact portions 17a, 21a at the tips of the two to be inserted therethrough. Also, on one side of this cassette 25, as shown in FIG.
Positioning guides 26 and 27 for the liquid crystal cell 9 and the heat seal connector 10 are provided, and a leaf spring 2 is provided to fix both ends of a presser bar 28 that presses the liquid crystal cell 9.
Fixing members 31 and 32 having 9 and 30 are provided, and a magnetic plate 33 for holding down the heat seal connector 10 and a magnet 34 for attracting the magnetic plate 33 are also provided. 35 is a thickness tape.

In this embodiment, as shown in FIG. 6 above, the liquid crystal cell 9 is moved by the positioning guide 26.
Further, the heat seal connectors 10 are positioned on the cassettes 25 by the positioning guides 27, so that the conductive part 10a of the heat seal connector 10 is placed on the electrode 9a of the liquid crystal cell 9, and the conductive part 10a is placed on the elongated hole 25a. portion 10a and electrode 9a are positioned. At this time, the conductive portion 10a and the electrode 9a are aligned with each other by the positioning guides 26 and 27. Then, by holding down the liquid crystal cell 9 with the presser bar 28 and adsorbing the magnetic plate 33 to the magnet 34, the heat seal connector 1 is assembled.
Hold down 0. As described above, the liquid crystal cell 9 and the heat seal connector 10 are attached to the cassette 25. Next, the cassette 25 is guided by the guide rails 12 and 16 of the crimping machine 40 and pushed inside, and the rear stopper (not shown) is inserted. When it comes into contact with ( ), stop the pushing. As a result, the elongated hole 25a of the cassette 25 is located between the pressure contact portions 17a and 21a of the first heater 17 and the second heater 21, so the cylinders 20 and 24 are then operated to
The heater 17 and the second heater 21 are moved forward. As a result, the joint portion of the conductive portion 10a and the electrode 9a located in the elongated hole 25a of the cassette 25 is heated under pressure by the first heater 17 and the second heater 21 on both sides. This allows the joint to be bonded by thermocompression.

Although the above embodiment is an example of connecting a heat seal connector 10 to a liquid crystal cell 9, it can also be used to connect to a terminal of a conductive foil on a printed circuit board, and it can also be used to bond a film-like object by thermocompression. It is not limited to heat-sealed connectors as long as it is used for other purposes.

As described above, the present invention provides a cassette for temporarily fixing a heat seal and an object to be crimped, and positioning the cassette by exposing the parts to be crimped to each other through a hole using a guide, and a crimping machine equipped with two heaters that extend from both sides of the hole and heat-press the parts to be crimped. Therefore, if a plurality of cassettes are prepared, the crimping operation can be continued one after another, improving work efficiency, and the mutual positioning of the heat seal and the object to be crimped is performed by the guide of the cassettes. This makes positioning both accurate and easy.Furthermore, since crimping is performed using two heaters, thermal efficiency is improved compared to when using one heater, and the area to be crimped is heated from both sides. Since it is pressurized, it has the advantage that there is no need for a spacer.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a conventional heat seal crimping device. FIG. 2 is an exploded perspective view of a liquid crystal cell and a heat seal connector. FIG. 3 is an explanatory diagram of the operation of the device shown in FIG. 1. FIG. 4 is a perspective view of the heat seal connector and liquid crystal cell that have been crimped together. Figure 5 shows
FIG. 1 is a perspective view of a heat seal crimping device according to an embodiment of the present invention. FIG. 6 is a perspective view of the back of the cassette of this embodiment. FIG. 7 is an explanatory diagram of the operation of the heat seal compression bonding device of this embodiment. 9... Liquid crystal cell; 10... Heat seal connector; 11... Bottom plate; 12... Guide rail; 1
3, 14... Side plate; 15... Top plate; 16... Guide rail; 17... First heater; 18, 19...
Guide rod; 20...first cylinder; 21...second
Heater; 22, 23...Guide rod; 24...Second
Cylinder; 25...Cassette; 26, 27...Positioning guide; 28...Press bar; 29, 30...
Leaf spring; 31, 32...Fixing member; 33...Magnetic plate; 34...Magnet; 35...Thickness tape; 40...Crimping machine.

Claims (1)

[Scope of Claims] 1. A cassette for temporarily fixing a heat seal and an object to be crimped, and for positioning the parts to be crimped together by means of a guide so as to expose them to holes; A crimping device for heat sealing, comprising: a crimping machine equipped with two heaters that extend from both sides of the hole and heat-press the parts to be crimped. 2. Claim 1, wherein the cassette is configured such that the heat seal is pressed by a magnetic plate and a magnet for temporary fixation, and the object to be pressed is pressed by a presser bar for temporary fixation. The heat seal crimping device described in Section 1. 3. The heating device according to claim 1, wherein the cassette is mounted on the crimping machine by being guided by a guide rail provided on the crimping machine. Seal crimping device.